CN106409209A - Display method, display device and display equipment - Google Patents

Abstract

The present disclosure relates to a display method, a display device and a display device, and belongs to the field of display technology. The method includes: acquiring collected biological characteristics; detecting whether the similarity between the biological characteristics and the predetermined biological characteristics is greater than a threshold; when the similarity between the biological characteristics and the predetermined biological characteristics is greater than the threshold, controlling the barrier panel to switch from the first state to the second state, the first state is the state where the barrier panel shields the entire display area of the display panel, and the second state is that the barrier panel shields part of the display area of the display panel, so that the display content on several display areas on the display panel, Through the light-transmitting area on the barrier panel to the state of the predetermined visible range. The disclosure solves the problem that in a crowded place, the content of the notification message is easily seen by other people around, which causes leakage of the user's privacy, and achieves the effect of protecting the user's privacy.

Description

Display method, display device and display device

technical field

The present disclosure relates to the field of display technology, and in particular, to a display method, display device and display device.

Background technique

Display screens are one of the most common input and output devices on electronic devices. The display screen has the ability to display text information, image information and video information.

When the electronic device receives a notification message, the display screen usually displays the received notification message in a message notification bar. Even if the electronic device is in a locked screen state, a small window will pop up on the display screen to display the received notification message. When a user uses an electronic device in a crowded place such as a bus or subway, it is easy for other people around to see the content of the notification message, which may cause leakage of the user's privacy.

Contents of the invention

Embodiments of the present disclosure provide a display method, a display device, and a display device. Described technical scheme is as follows:

According to a first aspect of an embodiment of the present disclosure, there is provided a display method applied to a display device including a display panel and a barrier panel, the method comprising:

Obtain the collected biometrics;

Detecting whether the similarity between the biometric feature and the predetermined biometric feature is greater than a threshold;

When the similarity between the biometric and the predetermined biometric is greater than a threshold, the control barrier panel starts from the first

The state is switched to the second state, and the first state is that the barrier panel controls the entire display area of the display panel.

The state of the line barrier, the second state is that the barrier panel shields a part of the display area of the display panel,

Make the display content on several display areas on the display panel pass through the light transmission on the barrier panel

The state in which a region shoots to a predetermined viewable range.

Optionally, the display device further includes: a display driving unit and a barrier driving unit, the display driving unit is connected to the display panel, the barrier driving unit is connected to the barrier panel, and several parallel and adjacently arranged display barriers are distributed on the barrier panel;

The control barrier panel switches from the first state to the second state, including:

sending the display image frame to the display driving unit, and sending the first instruction to the barrier driving unit;

The display panel is driven by a display drive unit to display the display image frame on several parallel and spaced display areas, and each display area is used to display a part of the display content in the display image frame;

The electrodes of the display barriers arranged in odd-numbered or even-numbered positions on the barrier panel are controlled by the barrier driving unit according to the first instruction to be in the open state, the display barriers with the electrodes in the open state are used to block light, and the display barriers with the electrodes in the unopened state are used for through light;

Wherein, each display area displays its corresponding display content, and the area where the display barrier is located through the electrodes on the barrier panel in an unopened state shoots to a predetermined visible range.

Optionally, the switching of the control barrier panel from the first state to the second state also includes:

when sending the first instruction to the barrier driving unit, sending a second instruction corresponding to the first instruction to the display driving unit;

determining the positions of several parallel and spaced display areas on the display panel according to the second instruction by the display driving unit;

The display image frame is split by the display drive unit to obtain the display content corresponding to each display area;

Each display area is driven by the display driving unit according to the position to display the corresponding display content.

Optionally, the method also includes:

When the similarity of the biometric to the predetermined biometric is less than a threshold, the control barrier panel remains in the first state.

Optionally, the control barrier panel remains in the first state, comprising:

Send a third command to the barrier drive unit;

The electrodes of all the display barriers on the barrier panel are controlled to be turned on by the barrier driving unit according to the third instruction.

According to a second aspect of the embodiments of the present disclosure, there is provided a display device applied to a display device including a display panel and a barrier panel, the device comprising:

an acquisition module configured to acquire the collected biometrics;

The detection module is configured to detect whether the similarity between the biological feature acquired by the acquisition module and the predetermined biological feature is greater than a threshold;

The switching module is configured to control the barrier panel to switch from the first state to the second state when the detection module detects that the similarity between the biological feature and the predetermined biological feature is greater than the threshold, and the first state is the entire display area of the barrier panel to the display panel In the state of barrier, the second state is that the barrier panel shields part of the display area of the display panel, so that the display content on several display areas on the display panel passes through the light-transmitting area on the barrier panel to the predetermined visible range status.

Optionally, the display device further includes: a display driving unit and a barrier driving unit, the display driving unit is connected to the display panel, the barrier driving unit is connected to the barrier panel, and several parallel and adjacently arranged display barriers are distributed on the barrier panel;

Switch modules, including:

The sending submodule is configured to send the display image frame to the display driving unit, and send the first instruction to the barrier driving unit;

The display sub-module is configured to drive the display panel through the display drive unit to display the display image frames sent by the sending sub-module on several parallel and spaced display areas, and each display area is used to display a part of the display image frame Display content;

The control submodule is configured to control the electrodes of the display barriers arranged in odd or even positions on the barrier panel to be in the open state through the barrier drive unit according to the first instruction sent by the sending submodule, and the display barriers with the electrodes in the open state are used to block Light, the electrode is a display barrier in an unopened state for passing light;

Wherein, each display area displays its corresponding display content, and the area where the display barrier is located through the electrodes on the barrier panel in an unopened state shoots to a predetermined visible range.

Optionally, the switching module also includes:

The sending submodule is further configured to send a second instruction corresponding to the first instruction to the display driving unit when sending the first instruction to the barrier driving unit;

The determining submodule is configured to determine the positions of several parallel and spaced display areas on the display panel through the display driving unit according to the second instruction sent by the sending submodule;

The split sub-module is configured to split the display image frame through the display drive unit to obtain the display content corresponding to each display area determined by the determination sub-module;

The display sub-module is further configured to display the corresponding display content obtained by splitting the sub-modules for each display area determined by the display drive unit according to the location drive determination sub-module.

Optionally, the switching module is further configured to control the barrier panel to remain in the first state when the similarity between the biological feature and the predetermined biological feature is less than a threshold.

Optionally, the sending submodule is further configured to send a third instruction to the barrier driving unit;

The control submodule is further configured to control the electrodes of all the display barriers on the barrier panel to be in an on state through the barrier driving unit according to the third instruction sent by the sending submodule.

According to a second aspect of an embodiment of the present disclosure, there is provided a display device, which includes: a biosensor unit, a control unit, a display panel, and a barrier panel located on the display panel:

a biosensing unit configured to collect biometrics;

The control unit is configured to acquire the biological feature collected by the bio-sensing unit; detect whether the similarity between the biological feature and the predetermined biological feature is greater than a threshold;

The control unit is further configured to control the barrier panel to switch from the first state to the second state when the similarity between the biological feature and the predetermined biological feature is greater than a threshold. The second state is that the barrier panel shields part of the display area of the display panel, so that the display content on several display areas on the display panel is emitted to the predetermined visible range through the light-transmitting area on the barrier panel .

Optionally, the display device further includes: a display driving unit and a barrier driving unit connected to the control unit, the display driving unit is connected to the display panel, the barrier driving unit is connected to the barrier panel, and a plurality of parallel and adjacent rows are distributed on the barrier panel. cloth display barriers;

The control unit is configured to send the display image frame to the display driving unit, and send the first instruction to the barrier driving unit;

The display driving unit is configured to drive the display panel to display the display image frame on several parallel and spaced display areas, and each display area is used to display a part of the display content in the display image frame;

The barrier driving unit is configured to control the electrodes of the display barriers arranged in odd positions or even positions on the barrier panel to be in the open state according to the first instruction, the display barriers with the electrodes in the open state are used to block light, and the electrodes in the non-open state for display barriers are used to transmit light;

Wherein, each display area displays its corresponding display content, and the area where the display barrier is located through the electrodes on the barrier panel in an unopened state shoots to a predetermined visible range.

Optionally, the control unit is configured to, when sending the first instruction to the barrier driving unit, send a second instruction corresponding to the first instruction to the display driving unit;

A display driving unit configured to determine the positions of several parallel and spaced display areas on the display panel according to the second instruction;

The display driving unit is configured to split the display image frame to obtain the display content corresponding to each display area;

The display driving unit is configured to drive each display area to display corresponding display content according to the position.

Optionally, it is characterized in that the control unit is further configured to control the barrier panel to remain in the first state when the similarity between the biological feature and the predetermined biological feature is less than a threshold.

Optionally, the control unit is configured to send a third instruction to the barrier driving unit;

The barrier driving unit is configured to control the electrodes of all the display barriers on the barrier panel to be in an on state according to the third instruction.

Optionally, the bio-sensing unit includes at least one of a fingerprint reader and a camera;

Biometric features include at least one of fingerprints, irises, and human faces.

Optionally, the electrodes of the display barriers arranged in odd positions on the barrier panel are commonly connected to the first signal line;

The electrodes of the display barriers arranged in even positions on the barrier panel are commonly connected to the second signal line.

The technical solutions provided by the embodiments of the present disclosure may include the following beneficial effects:

By comparing the collected biometrics with the predetermined biometrics, when the similarity between the collected biometrics and the predetermined biometrics is greater than the threshold, it indicates that the user is using the display device, and the barrier panel is switched from the first state to the second state. Two states, so that the display screen is switched from the state of the entire display area of the barrier to the visible state of narrow viewing angle; when the user uses the electronic device in a crowded place, the content of the notification message is easily seen by others, causing the leakage of user privacy; The problem is that the external users cannot see it, and when the user himself uses the electronic device, the state of the entire display area of the barrier will be switched to the visible state of the narrow viewing angle, and the content displayed on the display screen can only be seen within the narrow viewing angle range. Other users located outside the narrow viewing angle cannot see the content displayed on the display screen, thereby protecting user privacy.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the present disclosure.

Description of drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the disclosure and together with the description serve to explain the principles of the disclosure.

Fig. 1 is a block diagram of a display device according to an exemplary embodiment;

Fig. 2 is a working schematic diagram of the display device involved in the embodiment shown in Fig. 1;

Fig. 3 is a schematic diagram of the connection between the display barrier and the signal line in the barrier panel involved in the embodiment shown in Fig. 1;

Fig. 4 is a schematic diagram showing the effect of displaying image frames in the embodiment shown in Fig. 1 when they are displayed on a display device;

FIG. 5 is a schematic diagram of the principle of the display device involved in the embodiment shown in FIG. 1;

Fig. 6 is a flowchart of a display method according to an exemplary embodiment;

Fig. 7 is a block diagram of a display device according to an exemplary embodiment.

detailed description

Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, the same numerals in different drawings refer to the same or similar elements unless otherwise indicated. The implementations described in the following exemplary examples do not represent all implementations consistent with the present disclosure. Rather, they are merely examples of apparatuses and methods consistent with aspects of the present disclosure as recited in the appended claims.

Embodiments of the present disclosure aim to provide a display method, a display device, and a display device for switching between a full display area of a barrier and a narrow viewing angle. Wherein, the display device may be any electronic device with a display screen, such as a mobile phone, a tablet computer, and the like.

Fig. 1 is a block diagram of a display device according to an exemplary embodiment. The display device 100 may implement a narrow viewing angle display function through a parallax barrier method. As shown in FIG. 1, the display device 100 includes:

The control unit 120 , the display panel 140 , the barrier panel 160 located on the display panel, and the bio-sensing unit 180 .

The control unit 120 may be a processor or a graphics processor. The control unit 120 is capable of outputting display image frames and issuing control commands.

The display panel 140 may be an LCD (Liquid Crystal Display, Liquid Crystal Display) panel or an OLED (Organic Light-Emitting Display, Organic Light-Emitting Display) panel. Optionally, when the display panel 140 is an LCD panel, the display device 100 further includes a backlight located under the LCD panel.

The display barrier on the barrier panel 160 can block the display content on the display panel 140 below it. Several display barriers arranged side by side and adjacent to each other are distributed on the barrier panel 160 , that is, several display barriers are arranged in parallel and there is no space between two adjacent display barriers. The display barrier on the barrier panel 160 has the ability to block light when the electrodes are on, and has the ability to transmit light when the electrodes are not on. When the electrodes of the display barriers arranged at odd or even positions on the barrier panel 160 are turned on, there is one display barrier whose electrodes are not turned on between every two display barriers whose electrodes are turned on.

The biological sensing unit 180 is connected to the control unit 120 and is configured to collect biological features and send the collected biological features to the control unit 120 . Optionally, the biometric sensing unit 180 includes at least one of a fingerprint reader and a camera, and the biometric feature includes at least one of a fingerprint, an iris, and a human face. The recognition of fingerprints can be realized through fingerprint readers, and the recognition of faces and irises can be realized through cameras.

The control unit 120 is configured to obtain the biometric feature collected by the biometric sensing unit 180 , and detect whether the similarity between the biometric feature collected by the biometric sensing unit 180 and a predetermined biometric feature is greater than a threshold. The predetermined biometric feature is a pre-stored biometric feature of the user, usually the biometric feature of the user or owner of the display device 100 .

When the control unit 120 detects that the similarity between the biometrics collected by the biosensing unit 180 and the predetermined biometrics is greater than the threshold, it indicates that the biometrics collected by the biosensing unit 180 corresponds to the same user as the predetermined biometrics, and then controls the barrier panel 160 Switch from the first state to the second state. Wherein, the first state is a state where the barrier panel 160 shields the entire display area of the display panel 140, so that even if there is display content displayed on the display panel 140, the barrier panel 160 will block all the display content. The first state can also be called Other names such as lock screen state, full-screen invisible state; the second state is that the barrier panel 160 shields part of the display area of the display panel 140, so that the display content on several display areas on the display panel 140 can pass through the barrier panel 160 The light-transmitting area on the top is directed to a state of a predetermined visible range, and the second state can also be a state of a small viewing angle or a state of a narrow viewing angle. The several display areas are usually n display areas arranged side by side at intervals, and n is a positive integer.

Optionally, the display device 100 further includes a display driving unit 142 and a barrier driving unit 162 connected to the control unit 120 . The display driving unit 142 is connected to the display panel 140 , and the barrier driving unit 162 is connected to the barrier panel 160 .

The display driving unit 142 includes a driving circuit for driving the display panel 140 to display.

The barrier driving unit 162 includes a driving circuit, configured to send a driving signal to the barrier panel 160 to control the barrier panel 160 to block the display content below it and switch between the first state and the second state.

With reference to FIG. 2 , FIG. 2 shows a schematic working diagram of the display device 100 involved in this embodiment. The left part (a) in FIG. 2 is a schematic side view of the display panel 140 and the barrier panel 160 . The barrier panel 160 is located above the display panel 140; the upper right side (b) part in FIG. 2 is a front schematic view of the barrier panel 160 in the second state; the lower right side (c) part in FIG. Front schematic view of the panel in the second state.

Optionally, it is assumed that the barrier panel 160 is in the first state, that is, the screen-locked state of all display areas of the barrier display panel 140; the control unit 120 sends a display image frame to the display driver unit 142, and sends a first instruction to the barrier driver unit 162 , the first instruction is used to trigger the barrier panel 160 to switch from the first state to the second state, that is, trigger the narrow viewing angle function of the barrier panel 160, and switch the screens in the entire display area of the barrier to narrow viewing angle screens.

At this time, the display driving unit 142 drives the display panel 140 to display the display image frame sent by the control unit 120 on several display areas 143 arranged side by side at intervals, and each display area 143 is used in the display image frame sent by the display control unit 120. A portion of the display content. The union of display contents displayed in all display areas 143 is the same as the display image frame.

Referring to the front schematic diagram of the display panel 140 shown in the lower right part (c) of FIG. 2 , each display area 143 is a rectangular bar-shaped display area. The idle area 145 between two adjacent display areas 143 may not display any content.

Optionally, when the control unit 120 sends the first instruction to the barrier driving unit 162 , it sends the second instruction corresponding to the first instruction to the display driving unit 142 . The display drive unit 142 determines the positions of several parallel and spaced display areas 143 on the display panel 140 according to the second instruction, splits the display image frame sent by the control unit 120, and obtains the positions corresponding to each display area 143 respectively. The corresponding display contents are displayed according to the determined positions of the display area 143 . In the narrow viewing angle screen, each display area 143 displays its corresponding display content, and through the electrodes on the barrier panel 160 , the area where the display barrier is in an unopened state shoots to a predetermined visible range.

The barrier driving unit 162 controls the electrodes of the display barriers arranged at odd or even positions on the barrier panel 160 to be turned on according to the first instruction sent by the control unit 120 . Referring to the front view of the barrier panel 160 shown in the upper right part (b) of FIG. 2 , each display barrier is a rectangular strip-shaped area. When the barrier driving unit 162 controls the electrodes of the display barriers 163 arranged in odd positions on the barrier panel 160 to be in the open state, and the electrodes of the display barriers 165 arranged in even positions on the barrier panel 160 are in an unopened state, then the electrodes arranged on the barrier panel 160 are in an open state. The display barriers 163 at odd positions are used to block light, and the display barriers 165 arranged at even positions are used to transmit light.

Optionally, when the control unit 120 detects that the similarity between the biometrics collected by the biosensing unit 180 and the predetermined biometrics is less than a threshold, it indicates that the biometrics collected by the biosensing unit 180 may be different from the predetermined biometrics. user, the control unit 120 controls the barrier panel 160 to remain in the first state. Specifically, the control unit sends a third instruction to the barrier driving unit 162, and the barrier driving unit 162 controls electrodes of all display barriers on the barrier panel 160 to be in an on state according to the third instruction. When the function of shielding the entire display area is turned on, the display content on the display panel 140 cannot be seen from any angle.

3, the electrodes of the display barriers 163 arranged in odd positions on the barrier panel 160 are commonly connected to the first signal line 167, and the electrodes of the display barriers 165 arranged in even positions on the barrier panel 160 are commonly connected to the second signal line 169. . The barrier driving unit 162 is configured to send a driving signal to the display barriers 163 arranged at odd positions on the barrier panel 160 through the first signal line 167 , and control the electrodes of the display barriers 163 arranged at odd positions to be in an on state. The barrier driving unit 162 is configured to send a driving signal to the display barriers 165 arranged at even positions on the barrier panel 160 through the second signal line 169 , and control the electrodes of the display barriers 165 arranged at the even positions to be turned on.

Optionally, if the barrier driving unit 162 sends a driving signal to the display barrier through one of the first signal line 167 or the second signal line 169, the narrow viewing angle function is triggered; Sending a driving signal to the display barrier simultaneously with the second signal line 169 triggers the function of the entire display area of the barrier.

Optionally, the first signal wires 167 and the second signal wires 169 are routed from both sides of the barrier panel 160 to prevent the problem of excessively wide routing from a single side.

In practical applications, when the display device 100 is not used by the user, the barrier panel 160 remains in the first state, that is, the state of shielding the entire display area. When the display device 100 needs to be used by the user, the biometric sensing unit 180 collects the biometric features of the user, and the control unit 120 detects the similarity between the biometric features collected by the biometric sensing unit 180 and predetermined biometric features. When the control unit 120 detects that the similarity is greater than the threshold, the barrier panel 160 is switched from the first state to the second state; when the control unit 120 detects that the similarity is less than the threshold, the barrier panel 160 is kept in the first state.

In a possible implementation manner, each display area 143 has the same length and width. For example, each display area 143 has a length of 1080 pixels and a width of 5 pixels. The width of the idle area 145 between each display area 143 is also the same, for example, the width of each idle area 145 is 3 pixels. In another possible implementation manner, there are at least two display regions 143 with the same length but different widths. For example, the width of the display area 143 located in the central area of the display panel 140 is greater than the width of the display area 143 located in the edge area of the display panel 140 . There are at least two idle regions 145 with the same length but different widths. For example, the width of the idle area 145 located in the central area of the display panel 140 is larger than the width of the idle area 145 located in the edge area of the display panel 140 . This embodiment does not limit this.

In a possible implementation manner, each display barrier has the same length and width. For example, each display barrier has a length of 1080 pixels and a width of 2 pixels. In another possible implementation manner, at least two display barriers have the same length but different widths. For example, the width of the display barrier 163 located in the central area of the barrier panel 160 is greater than the width of the display barrier 163 located in the edge area of the barrier panel 160 . For another example, the width of the display barriers 163 arranged at odd positions on the barrier panel 160 is smaller than the width of the display barriers 165 arranged at even positions. This embodiment does not limit it.

Each display area 143 displays its corresponding display content, and the area of the display barrier 165 through which the electrodes on the barrier panel 160 are not turned on is projected into a predetermined visible range. That is, when the display image frame 10 is displayed by the display device 100 , it will be divided into multiple pieces of display content for display, and the front view of the final display screen 20 can refer to the schematic illustration in FIG. 4 . In actual use, the width of the display barrier between the two display contents is relatively small, which can minimize the impact on the final display effect observed by the user's naked eyes.

It needs to be added that the idle area 145 between two adjacent display areas 143 in the display panel 140 can also display predetermined camouflage display content, and the camouflage display content refers to a range outside the predetermined visible range. The display content seen in the Masquerading display content can camouflage the display image frame displayed in the display area 143, such as: the display image frame is a game screen, and the masquerading display content is a web page screen, then what is seen in the predetermined visual range is a game screen, but in the predetermined visual range What is seen in the area outside the visible range is the web page screen.

With reference to FIG. 5 , let the left side in FIG. 5 be the first direction, and the right side be the second direction. Each display area 143 has an edge a in the first direction, and an edge b in the second direction; the top of each display area 143 corresponds to two display barriers 163 whose electrodes are turned on. One of the display barriers 163 has an edge c in the second direction, and the other display barrier 163 has an edge d in the first direction; the predetermined viewing range has an edge e in the first direction and an edge f in the second direction.

For each display area 143, the rules are satisfied between the edges: edge a, edge c and edge e are located on the same plane, and edge b, edge d and edge f are located on the same plane, thereby ensuring the display content in each display area 143 Fully visible only within the intended viewing range.

In addition, since the predetermined viewing range is an area viewed by the user's eyes, the width of the predetermined viewing range is set according to the interocular distance of human eyes, and the width ef is usually slightly larger than the interocular distance of human eyes. That is, the predetermined visible range is a range set according to the interocular distance of human eyes.

In a possible implementation manner, the position of the human eye is variable, and the distance G between the human eye and the barrier panel 160 is variable, so the predetermined visible range is variable. at this time:

The control unit 120 sends the first instruction to the barrier driving unit 162 and at the same time sends the second instruction corresponding to the first instruction to the display driving unit 142 . The display drive unit 142 determines the positions of several parallel and spaced display areas 143 on the display panel 140 according to the second instruction; splits the display image frame to obtain the display content corresponding to each display area 143; This position drives each display area 143 to display its corresponding display content. Wherein, the second instruction is used to indicate the position of each display area 143 .

Since the first instruction is used to trigger the barrier driving unit 162 to control the electrodes of the display barriers arranged in odd-numbered positions or even-numbered positions on the barrier panel 160 to be in the open state, the barrier driving unit 162 controls the electrodes of the display barriers arranged in odd-numbered positions on the barrier panel 160 In the open state, the position of the display area 143 on the display panel 140 corresponding to the open state of the electrodes of the display barriers arranged in even positions on the control barrier panel 160 is different, so the second instruction corresponds to the first instruction relation.

Optionally, the control unit 120 is based on the interocular distance ef of the human eyes, the projection coordinates of the human eyes on the barrier panel 160, the distance G between the human eyes and the barrier panel 160, and the distance between the barrier panel 160 and the display panel 140 L, dynamically determine the position of each display area 143 according to the rules shown in FIG. 5 .

This embodiment does not limit how the control unit 120 obtains the distance ef of the human eyes, the projection coordinates of the human eyes on the barrier panel 160, and the distance G between the human eyes and the barrier panel 160. The control unit 120 can Devices such as cameras and distance sensors are used to obtain the above parameters.

To sum up, the display device provided in this embodiment compares the collected biometrics with the predetermined biometrics, and when the similarity between the collected biometrics and the predetermined biometrics is greater than a threshold, it indicates that the person using the display device is the user himself. , the barrier panel is switched from the first state to the second state, so that the display screen is switched from the state of the entire display area of the barrier to the state of the predetermined visible range. This avoids that when a user uses an electronic device in a crowded place, it is easy for other people to see the content of the short message or notification message, which may cause leakage of the user's privacy. So that when the electronic device is not in use, the display screen maintains the state of the entire display area of the barrier, even if a notification message pops up, it cannot be seen, and when the user uses the electronic device himself, the state of the entire display area of the barrier will be switched to a narrow viewing angle state , All content displayed on the display screen can only be seen within a narrow viewing angle range, and the displayed content cannot be seen or fully viewed within a non-narrow viewing angle range, thereby protecting user privacy.

In addition, the display panel is driven by the display driving unit to display the above-mentioned display image frames on several display areas arranged side by side and arranged at intervals, and each display area is used to respectively display a part of the display content in the above-mentioned display image frames; The electrodes of the display barriers arranged in odd-numbered or even-numbered positions on the barrier panel are set to the open state, so that when users use the display device with the narrow viewing angle function enabled, they can only see the display content on the display panel within the predetermined visual range, protecting the user's privacy.

In addition, the display drive unit splits the display image frame according to the second instruction corresponding to the first instruction, so that each display area displays the corresponding display content, so that when the narrow viewing angle function is turned on, the user can view the image within the predetermined visual range See the correct display.

In addition, when the control unit detects that the similarity between the collected biological features and the predetermined biological features is less than the threshold, the control barrier panel remains in the first state, so that when the display device is not used by the person, the entire display area of the barrier is locked to protect the screen. User Privacy.

In addition, the electrodes of all the display barriers on the barrier panel are set to be turned on by the barrier driving unit, so that all the display barriers on the barrier panel are used to block light, so that the entire display area can be blocked.

In addition, by using fingerprints, irises, and faces as biometrics to identify the user's identity, it can be determined whether the person using the display device is the user himself.

In addition, the electrodes of the display barriers arranged in odd positions on the barrier panel are commonly connected to the first signal line, and the electrodes of the display barriers arranged in even positions are commonly connected to the second signal line, so that the barrier driving units can be arranged in pairs. Display barriers at odd positions and display barriers arranged at even positions are controlled.

Fig. 6 is a flow chart of a display method according to an exemplary embodiment. This method is optionally applied to the control unit 120 of the display device 100 shown in FIG. 1 . The display methods include:

In step 601, the collected biometric features are obtained.

In step 602, it is detected whether the similarity between the biometric feature and the predetermined biometric feature is greater than a threshold.

In step 603, when the similarity between the biological feature and the predetermined biological feature is greater than a threshold, the control barrier panel is switched from the first state to the second state.

Wherein, the first state is a state where the barrier panel shields the entire display area of the display panel, and the second state is that the barrier panel shields a part of the display area of the display panel, so that the display content on several display areas on the display panel, The state of passing through the light-transmitting area on the barrier panel to the predetermined visible range.

To sum up, the display method provided in this embodiment compares the collected biometrics with the predetermined biometrics, and when the similarity between the collected biometrics and the predetermined biometrics is greater than the threshold, it indicates that the user who uses the display device is the user I switch the barrier panel from the first state to the second state, so that the display screen switches from the state of the entire display area of the barrier to the visible state of the predetermined visible range. This avoids that when a user uses an electronic device in a crowded place, it is easy for other people to see the content of the short message or notification message, which may cause leakage of the user's privacy. So that when the electronic device is not in use, the display screen maintains the state of the entire display area of the barrier, even if a message pops up, it cannot be seen, and when the user himself uses the electronic device, the state of the entire display area of the barrier will be switched to a narrow viewing angle state. The content displayed on the display screen can only be seen within a narrow viewing angle, thereby protecting user privacy.

In an optional embodiment provided based on the embodiment shown in FIG. 6 , the method includes:

In step 601, the collected biometric features are obtained.

Biometric features are collected by the biometric sensing unit on the display device, such as identifying fingerprints through a fingerprint reader, and identifying faces or irises through a camera.

In step 602, it is detected whether the similarity between the biometric feature and the predetermined biometric feature is greater than a threshold.

The predetermined biometrics are the biometrics stored in advance by the user when setting up the display device. Detecting whether the similarity between the collected biometric feature and the predetermined biometric feature is greater than a threshold is for authenticating the user using the display device. If the similarity is greater than the threshold, it indicates that the person using the display device is the user himself.

In step 603, when the similarity between the biological feature and the predetermined biological feature is greater than a threshold, the control barrier panel is switched from the first state to the second state.

Wherein, the first state is a state where the barrier panel shields the entire display area of the display panel, and the second state is that the barrier panel shields a part of the display area of the display panel, so that the display content on several display areas on the display panel, The state of passing through the light-transmitting area on the barrier panel to the predetermined visible range.

Correspondingly, this step can be replaced by the following steps:

1. The control unit sends display image frames to the display drive unit.

Since the display stream usually includes a sequence of image frames composed of display image frames frame by frame, this step is executed periodically multiple times, or when the display image frame changes. For example, the control unit executes every 1/24th of a second.

2. The control unit drives the display panel to display image frames on several parallel and spaced display areas through the display drive unit, and each display area is used to display a part of the display content in the display image frames.

3. The control unit sends a first instruction to the barrier driving unit.

4. The control unit controls the electrodes of the display barriers arranged at odd or even positions on the barrier panel to be in an on state through the barrier driving unit according to the first instruction.

The display barrier with the electrodes in the open state is used for blocking light, and the display barrier with the electrodes in the unopened state is used for transmitting light.

Wherein, each display area displays its corresponding display content, and the area where the display barrier is located through the electrodes on the barrier panel in an unopened state shoots to a predetermined visible range.

Optionally, the replacement step of step 603 also includes:

5. When sending the first instruction to the barrier driving unit, the control unit sends a second instruction corresponding to the first instruction to the display driving unit.

6. The control unit determines the positions of several parallel and spaced display areas on the display panel through the display drive unit according to the second instruction.

7. The control unit splits the display image frame through the display drive unit to obtain the display content corresponding to each display area.

8. The control unit drives each display area to display the corresponding display content according to the position through the display drive unit.

Optionally, the display method also includes:

When the control unit detects that the similarity between the biometric feature and the predetermined biometric feature is less than a threshold, the control barrier panel remains in the first state.

Correspondingly, this step can be replaced by the following steps:

1. The control unit sends a third instruction to the barrier driving unit.

2. The control unit controls the electrodes of all the display barriers on the barrier panel to be in an on state through the barrier driving unit according to the third instruction.

Optionally, the first state is a state in which the barrier panel shields the entire display area of the display panel, and the second state is a state in which the barrier panel shields a part of the display area of the display panel, so that several display areas on the display panel The displayed content is projected to the predetermined visible range through the light-transmitting area on the barrier panel.

Optionally, the display driving unit drives an idle area between two adjacent display areas on the display panel to be in a non-working state, or drives an idle area on the display panel to display predetermined camouflage display content.

To sum up, the display method provided in this embodiment compares the collected biometrics with the predetermined biometrics, and when the similarity between the collected biometrics and the predetermined biometrics is greater than the threshold, it indicates that the user who uses the display device is the user I switch the barrier panel from the first state to the second state, so that the display screen switches from the state of the entire display area of the barrier to the visible state of the predetermined visible range. This avoids that when a user uses an electronic device in a crowded place, it is easy for other people to see the content of the short message or notification message, which may cause leakage of the user's privacy. So that when the electronic device is not in use, the display screen maintains the state of the entire display area of the barrier, even if a message pops up, it cannot be seen, and when the user himself uses the electronic device, the state of the entire display area of the barrier will be switched to a narrow viewing angle state. The content displayed on the display screen can only be seen within a narrow viewing angle, thereby protecting user privacy.

In addition, the display panel is driven by the display driving unit to display the above-mentioned display image frames on several display areas arranged side by side and arranged at intervals, and each display area is used to respectively display a part of the display content in the above-mentioned display image frames; The electrodes of the display barriers arranged in odd-numbered or even-numbered positions on the barrier panel are set to the open state, so that when users use the display device with the narrow viewing angle function enabled, they can only see the display content on the display panel within the predetermined visual range, protecting the user's privacy.

In addition, the display drive unit splits the display image frame according to the second instruction corresponding to the first instruction, so that each display area displays the corresponding display content, so that when the narrow viewing angle function is turned on, the user can view the image within the predetermined visual range See the correct display.

In addition, when the control unit detects that the similarity between the collected biological features and the predetermined biological features is less than the threshold, the control barrier panel remains in the first state, so that when the display device is not used by the person himself, the entire display area of the barrier is used to protect the privacy of the user .

In addition, the electrodes of all the display barriers on the barrier panel are set to be turned on by the barrier driving unit, so that all the display barriers on the barrier panel are used to block light, so that the entire display area can be blocked.

In addition, by using fingerprints, irises, and faces as biometrics to identify the user's identity, it can be determined whether the person using the display device is the user himself.

In addition, the electrodes of the display barriers arranged in odd positions on the barrier panel are commonly connected to the first signal line, and the electrodes of the display barriers arranged in even positions are commonly connected to the second signal line, so that the barrier driving units can be arranged in pairs. Display barriers at odd positions and display barriers arranged at even positions are controlled.

Fig. 7 is a block diagram of a display device according to an exemplary embodiment. This device is applied in the control unit 120 of the display device 100 shown in FIG. 1 . The display device includes: an acquisition module 710 , a detection module 720 and a switching module 730 .

The acquiring module 710 is configured to acquire the collected biometric features.

The detecting module 720 is configured to detect whether the similarity between the biometric feature acquired by the acquiring module 710 and the predetermined biometric feature is greater than a threshold.

The switching module 730 is configured to control the barrier panel to switch from the first state to the second state when the detection module 720 detects that the similarity between the biometric feature and the predetermined biometric feature is greater than a threshold, and the first state is that the barrier panel is completely connected to the display panel. The state where the display area is shielded. The second state is that the barrier panel shields part of the display area of the display panel, so that the display content on several display areas on the display panel is emitted to a predetermined target area through the light-transmitting area on the barrier panel. The state of the scope.

Optionally, the switch module includes: a sending submodule, a display submodule and a control submodule.

The sending sub-module is configured to send the display image frame to the display driving unit, and send the first instruction to the barrier driving unit.

The display sub-module is configured to drive the display panel through the display drive unit to display the display image frames sent by the sending sub-module on several parallel and spaced display areas, and each display area is used to display a part of the display image frames. content.

The control submodule is configured to control the electrodes of the display barriers arranged in odd or even positions on the barrier panel to be in the open state through the barrier drive unit according to the first instruction sent by the sending submodule, and the display barriers with the electrodes in the open state are used to block For light, the electrode is a display barrier in an unopened state for passing light.

Wherein, each display area displays its corresponding display content, and the area where the display barrier is located through the electrodes on the barrier panel in an unopened state shoots to a predetermined visible range.

Optionally, the sending submodule is further configured to send a second instruction corresponding to the first instruction to the display driving unit when sending the first instruction to the barrier driving unit.

Optionally, switching modules also includes: determining submodules and splitting submodules.

The determining submodule is configured to determine the positions of several parallel and spaced display areas on the display panel through the display driving unit according to the second instruction sent by the sending submodule.

The splitting sub-module is configured to split the display image frame through the display driving unit to obtain the display content corresponding to each display area determined by the determining sub-module.

Optionally, the display submodule is further configured to respectively display the display content obtained by splitting the submodule corresponding to each display area determined by the position drive determination submodule through the display driving unit.

Optionally, the switching module is further configured to control the barrier panel to maintain the first state when the similarity between the biological feature and the predetermined biological feature is less than a threshold.

Optionally, the sending submodule is further configured to send a third instruction to the barrier driving unit.

Optionally, the control submodule is further configured to control the electrodes of all the display barriers on the barrier panel to be in an on state through the barrier driving unit according to the third instruction sent by the sending submodule.

To sum up, the display device provided in this embodiment compares the collected biological features with the predetermined biological features, and when the similarity between the collected biological features and the predetermined biological features is greater than the threshold value, it indicates that the user using the display device is I switch the barrier panel from the first state to the second state, so that the display screen switches from the state of the entire display area of the barrier to the visible state of the predetermined visible range. This avoids that when a user uses an electronic device in a crowded place, it is easy for other people to see the content of the short message or notification message, which may cause leakage of the user's privacy. So that when the electronic device is not in use, the display screen maintains the state of the entire display area of the barrier, even if a message pops up, it cannot be seen, and when the user himself uses the electronic device, the state of the entire display area of the barrier will be switched to a narrow viewing angle state. The content displayed on the display screen can only be seen within a narrow viewing angle, thereby protecting user privacy.

In addition, the display panel is driven by the display driving unit to display the above-mentioned display image frames on several display areas arranged side by side and arranged at intervals, and each display area is used to respectively display a part of the display content in the above-mentioned display image frames; The electrodes of the display barriers arranged in odd-numbered or even-numbered positions on the barrier panel are set to the open state, so that when users use the display device with the narrow viewing angle function enabled, they can only see the display content on the display panel within the predetermined visual range, protecting the user's privacy.

In addition, the display drive unit splits the display image frame according to the second instruction corresponding to the first instruction, so that each display area displays the corresponding display content, so that when the narrow viewing angle function is turned on, the user can view the image within the predetermined visual range See the correct display.

In addition, when the control unit detects that the similarity between the collected biological features and the predetermined biological features is less than the threshold, the control barrier panel remains in the first state, so that when the display device is not used by the person himself, the entire display area of the barrier is used to protect the privacy of the user .

In addition, the electrodes of all the display barriers on the barrier panel are set to be turned on by the barrier driving unit, so that all the display barriers on the barrier panel are used to block light, so that the entire display area can be blocked.

Other embodiments of the present disclosure will be readily apparent to those skilled in the art from consideration of the specification and practice of the invention disclosed herein. This application is intended to cover any modification, use or adaptation of the present disclosure, and these modifications, uses or adaptations follow the general principles of the present disclosure and include common knowledge or conventional technical means in the technical field not disclosed in the present disclosure . The specification and examples are to be considered exemplary only, with a true scope and spirit of the disclosure being indicated by the following claims.

It should be understood that the present disclosure is not limited to the precise constructions which have been described above and shown in the drawings, and various modifications and changes may be made without departing from the scope thereof. The scope of the present disclosure is limited only by the appended claims.

Claims (17)

1. a kind of display methods is it is characterised in that be applied to comprise in display floater and the display device of barrier panel, described side Method includes：

Obtain the biological characteristic of collection；

Detect whether described biological characteristic and the similarity of predetermined biological characteristic are more than threshold value；

When the similarity of described biological characteristic and described predetermined biological characteristic is more than threshold value, control described barrier panel from first State switches to the second state, and described first state is that described barrier panel is carried out to whole viewing areas of described display floater The state of barrier, described second state is that described barrier panel carries out barrier to the part viewing area of described display floater, makes Obtain the display content on some described viewing areas on described display floater, through the transmission region in described barrier panel The state of the predetermined visual range of directive.

2. display methods according to claim 1 is it is characterised in that described display device also includes：Display driver element With barrier driver element, described display driver element is connected with described display floater, described barrier driver element and described barrier Panel is connected, be distributed with described barrier panel some side by side and arranged adjacent display barrier；

The described barrier panel of described control switches to the second state from first state, including：

Send display image frame to described display driver element, send the first instruction to described barrier driver element；

Aobvious on the viewing area driving described display floater arranged side by side at some and being intervally arranged by described display driver element Show described display image frame, every viewing area is used for showing a part of display content in described display image frame；

Controlled according to the described first instruction by described barrier driver element and be arranged in odd positions or idol in described barrier panel The electrode of the described display barrier that numerical digit is put is opening, and described electrode is that the display barrier of opening is used for blocking light, Described electrode is that the display barrier of non-opening is used for passing through light；

Wherein, every described viewing area shows each self-corresponding display content, through the described electrode in described barrier panel The predetermined visual range of region directive residing for the display barrier of non-opening.

3. display methods according to claim 2 is it is characterised in that the described barrier panel of described control is cut from first state It is changed to the second state, also include：

When sending described first instruction to described barrier driver element, send and described first finger to described display driver element Make corresponding second instruction；

By described display driver element according to the described second instruction determine on said display panel described some side by side and The position of the viewing area being intervally arranged；

By described display driver element, described display image frame is split, it is right respectively with viewing area every described to obtain The display content answered；

Every described viewing area is driven to show respectively by described display driver element according to described position each self-corresponding aobvious Show content.

4. according to the arbitrary described display methods of claims 1 to 3 it is characterised in that methods described also includes：

When the similarity of described biological characteristic and described predetermined biological characteristic is less than described threshold value, described barrier panel is controlled to protect Hold in described first state.

5. display methods according to claim 4 is it is characterised in that the described barrier panel of described control is maintained at described One state, including：

Send the 3rd instruction to described barrier driver element；

Control the electricity of all of display barrier in described barrier panel by described barrier driver element according to the described 3rd instruction Extremely opening.

6. a kind of display device is it is characterised in that be applied to comprise in display floater and the display device of barrier panel, described dress Put including：

Acquisition module, is configured to obtain the biological characteristic of collection；

Detection module, is configured to detect the similarity with predetermined biological characteristic for the described biological characteristic of described acquisition module acquisition Whether it is more than threshold value；

Handover module, being configured as described detection module, described biological characteristic is detected similar to described predetermined biological characteristic When degree is more than threshold value, described barrier panel is controlled to switch to the second state from first state, described first state is described barrier Panel carries out the state of barrier to whole viewing areas of described display floater, and described second state is described barrier panel to institute The part viewing area stating display floater carries out barrier so that aobvious on some described viewing areas on described display floater Show content, through the state of the predetermined visual range of transmission region directive in described barrier panel.

7. display device according to claim 6 is it is characterised in that described display device also includes：Display driver element With barrier driver element, described display driver element is connected with described display floater, described barrier driver element and described barrier Panel is connected, be distributed with described barrier panel some side by side and arranged adjacent display barrier；

Described handover module, including：

Sending submodule, is configured to send display image frame to described display driver element, sends out to described barrier driver element Send the first instruction；

Display sub-module, is configured to described display driver element and drives described display floater side by side and to be spaced at some Show, on the viewing area of arrangement, the described display image frame that described sending submodule sends, every viewing area is used for showing institute State a part of display content in display image frame；

Control submodule, is configured to described first finger that described barrier driver element sends according to described sending submodule It is opening that order controls the electrode of the described display barrier being arranged in odd positions or even number position in described barrier panel, institute State the display barrier that electrode is opening and be used for blocking light, described electrode is that the display barrier of non-opening is used for passing through Light；

Wherein, every described viewing area shows each self-corresponding display content, through the described electrode in described barrier panel The predetermined visual range of region directive residing for the display barrier of non-opening.

8. display device according to claim 7, it is characterised in that described handover module, also includes：

Described sending submodule, is additionally configured to, when sending described first instruction to described barrier driver element, show to described Show that driver element sends second instruction corresponding with the described first instruction；

Determination sub-module, is configured to described second finger that described display driver element sends according to described sending submodule Order determines described some side by side and the position of viewing area that is intervally arranged on said display panel；

Split submodule, be configured to described display driver element and described display image frame is split, obtain and institute State every described viewing area corresponding display content respectively that determination sub-module is determined；

Described display sub-module, is additionally configured to drive described determination submodule by described display driver element according to described position Every described viewing area that block determines shows the display content that each self-corresponding described fractionation submodule obtains respectively.

9. according to the arbitrary described display device of claim 6 to 8 it is characterised in that described handover module is additionally configured to work as When the similarity of described biological characteristic and described predetermined biological characteristic is less than described threshold value, described barrier panel is controlled to be maintained at institute State first state.

10. display device according to claim 9 it is characterised in that

Described sending submodule, is additionally configured to send the 3rd instruction to described barrier driver element；

Described control submodule, is additionally configured to by described barrier driver element according to described sending submodule sends It is opening that 3rd instruction controls the electrode of all of display barrier in described barrier panel.

A kind of 11. display devices are it is characterised in that described display device includes：Bio-sensing unit, control unit, display surface Plate and the barrier panel on described display floater：

Described bio-sensing unit, is configured to gather biological characteristic；

Described control unit, is configured to obtain the biological characteristic that described bio-sensing unit is gathered；Detection is described biological special Levy with whether the similarity of predetermined biological characteristic is more than threshold value；

Described control unit, is additionally configured to be more than threshold value when the similarity of described biological characteristic and described predetermined biological characteristic When, control described barrier panel to switch to the second state from first state, described first state is described barrier panel to described Whole viewing areas of display floater carry out the state of barrier, and described second state is described barrier panel to described display floater Part viewing area carry out barrier so that display content on some described viewing areas on described display floater, thoroughly Cross the state of the predetermined visual range of transmission region directive in described barrier panel.

12. display devices according to claim 11 are it is characterised in that described display device also includes：With described control Display driver element and barrier driver element that unit is connected, described display driver element is connected with described display floater, described Barrier driver element is connected with described barrier panel, be distributed with described barrier panel some side by side and arranged adjacent display Barrier；

Described control unit, is configured to send display image frame to described display driver element, to described barrier driver element Send the first instruction；

Described display driver element, is configured to drive the viewing area that described display floater is arranged side by side at some and is intervally arranged The described display image frame of upper display, every viewing area is used for showing a part of display content in described display image frame；

Described barrier driver element, is configured to be arranged in odd positions according in the described first instruction described barrier panel of control Or the electrode of the described display barrier of even number position is opening, described electrode is that the display barrier of opening is used for blocking Light, described electrode is that the display barrier of non-opening is used for passing through light；

Wherein, every described viewing area shows each self-corresponding display content, through the described electrode in described barrier panel The predetermined visual range of region directive residing for the display barrier of non-opening.

13. display devices according to claim 12 it is characterised in that

Described control unit, is configured to, when sending described first instruction to described barrier driver element, drive to described display Moving cell sends second instruction corresponding with the described first instruction；

Described display driver element, is configured to determine described some on said display panel simultaneously according to the described second instruction Row and the position of the viewing area being intervally arranged；

Described display driver element, is configured to be split described display image frame, obtains and viewing area every described Corresponding display content respectively；

Described display driver element, is configured to drive every described viewing area to show respectively according to described position and each corresponds to Display content.

14. according to the arbitrary described display device of claim 11 to 13 it is characterised in that

Described control unit, is additionally configured to be less than described threshold when the similarity of described biological characteristic and described predetermined biological characteristic During value, described barrier panel is controlled to be maintained at described first state.

15. display devices according to claim 14 it is characterised in that

Described control unit, is configured to send the 3rd instruction to described barrier driver element；

Described barrier driver element, is configured to control all of display barrier in described barrier panel according to the described 3rd instruction Electrode be opening.

16. according to the arbitrary described display device of claim 11 to 15 it is characterised in that described bio-sensing unit include refer to At least one in line identifier, camera；

Described biological characteristic includes fingerprint, iris, at least one in face.

17. display devices according to claim 12 it is characterised in that

The electrode being arranged in the display barrier of odd positions in described barrier panel is commonly connected to the first holding wire；

The electrode being arranged in the display barrier of even number position in described barrier panel is commonly connected to secondary signal line.