TWI619112B - Display method and display device using the same - Google Patents

Abstract

A screen display method and a display device using the same. The screen display method includes the following steps. First, set the initial color temperature. Then, the display device displays a picture at the initial color temperature. Then, the detection screen displays one time at the initial color temperature. Then, when the time reaches the predetermined time, the display device displays the picture at the first color temperature, wherein the first color temperature is different from the initial color temperature.

Description

Screen display method and display device using the same

The present invention relates to a screen display method and a display device using the same, and more particularly to a screen display method for adjusting color temperature according to ambient brightness and a display device using the same.

Traditional displays are used to display images to provide visual information to the user. However, the user will inevitably suffer from fatigue when watching the display for a long time. Therefore, how to design a display device that can reduce fatigue is one of the goals of those skilled in the art.

The present invention relates to a screen display method and a display device using the same, which can improve the above-mentioned conventional problems.

According to an embodiment of the present invention, a screen display method is proposed. The screen display method includes the following steps. Setting an initial color temperature; the display device displays a picture at an initial color temperature; when the detection picture is displayed at an initial color temperature And; when the time reaches a first predetermined time, the display device displays the picture at a first color temperature, wherein the first color temperature is different from the initial color temperature.

According to another embodiment of the present invention, a picture device is proposed. The display device includes a display and a controller. The display is used to display a picture. The controller is configured to: set an initial color temperature; control the display to display the screen with an initial color temperature; detect the screen to display one time at the initial color temperature; and, when the time reaches a first predetermined time, control the display to a first The color temperature displays a picture in which the first color temperature is different from the initial color temperature.

In order to better understand the above and other aspects of the present invention, the preferred embodiments are described below, and in conjunction with the drawings, the detailed description is as follows:

100‧‧‧ display device

110‧‧‧ display

120‧‧‧ Controller

130‧‧‧Brightness Sensor

C1‧‧‧ Display color temperature adjustment curve

E1‧‧‧Environmental brightness

S105~S150‧‧‧Steps

T0, t1, t2, t3, t4, t5, t6‧‧‧

T ₀ ‧‧‧ initial color temperature

T ₁ ‧‧‧first color temperature

T ₂ ‧‧‧second color temperature

T ₃ ‧‧‧third color temperature

T ₄ ‧‧‧ fourth color temperature

T ₅ ‧‧‧ fifth color temperature

T ₆ ‧‧‧lower color temperature

T _r ‧‧‧record color temperature

FIG. 1 is a functional block diagram of a display device in accordance with an embodiment of the present invention.

FIG. 2 is a flow chart showing a screen display method of the display device of FIG. 1.

FIG. 3 is a schematic diagram showing a display color temperature adjustment curve according to an embodiment of the invention.

FIG. 4 is a flow chart showing a screen display method of a display device according to another embodiment of the present invention.

FIG. 5 is a schematic diagram showing color temperature control of a display screen according to another embodiment of the present invention.

FIG. 6 is a schematic diagram showing color temperature control of a display screen according to another embodiment of the present invention.

FIG. 7 is a schematic diagram showing color temperature control of a display screen according to another embodiment of the present invention.

Please refer to FIGS. 1 and 2 . FIG. 1 is a functional block diagram of a display device 100 according to an embodiment of the present invention, and FIG. 2 is a flow chart showing a screen display method of the display device 100 according to FIG. 1 .

As shown in FIG. 1, the display device 100 includes a display 110, a controller 120, and a brightness sensor 130. The controller 120 can control the color temperature of the display screen of the display 110 according to the ambient brightness E1 detected by the brightness sensor 130. The following is an example of Figure 2.

As shown in Fig. 2, in step S105, the controller 120 sets an initial color temperature T ₀ . In an embodiment, the controller 120 can set the initial color temperature T ₀ according to the user's input. In another embodiment, the controller 120 can set the initial color temperature T ₀ according to the current ambient brightness E1 detected by the brightness sensor 130. For example, when the power of the display 110 is turned on, the controller 120 can set the color temperature of the current ambient brightness E1 to the initial color temperature T ₀ .

In step S110, please refer to FIG. 3 at the same time, which shows a schematic diagram of the display color temperature adjustment curve C1 according to an embodiment of the invention. The controller 120 controls the display 110 to display a picture at an initial color temperature T ₀ . For example, at time t ₀ , the picture is displayed at the initial color temperature T ₀ . At this time, the point t ₀ may be a point at which the display 110 changes from the power-off state to the on state.

In step S115, the controller 120 detects the time at which the picture is displayed at the initial color temperature T ₀ . For example, the controller 120 has a timer (not shown) therein, so that the controller 120 can record the time interval in which the display 110 displays the same color temperature screen according to the information of the timer, the time when the different display color temperature is switched, and the time when the power of the display 110 is turned off. And the closing time interval and the time when the power of the display 110 is turned on and the opening time interval.

In step S120, the controller 120 determines whether the time reaches a first predetermined time, such as time point t _1; if not, the process proceeds to step S122, the screen continues to display the initial color temperature T _0; if yes, proceeds to step S125.

In step S125, the controller 120 controls the display 110 to display a first color temperature T _1, wherein the first color temperature T ₁ is different from the initial color temperature T _0, for example, a first color temperature T ₁ lower than the initial color temperature T _0. It can be seen from this step that the display color temperature of the display 110 of the embodiment of the present invention can be reduced with time, which reduces the fatigue of the user viewing the display screen of the display 110 for a long time.

In step S127, the controller 120 detects _a picture display time T of the first color temperature.

In step S130, the controller 120 determines whether the time reaches the second predetermined time, such as the time point t2. If no, the process proceeds to step S132, and the controller 120 controls the display 110 to continue displaying the screen at the first color temperature T1; if so, the process proceeds to step S135.

In step S135, the controller 120 controls the display 110 to display the screen at the second color temperature T ₂ , wherein the second color temperature T _{2 is} different from the first color temperature T ₁ . For example, the second color temperature T _{2 is} lower than the first color temperature T ₁ . It can be seen from this step that the display color temperature of the display 110 of the embodiment of the present invention can continue to decrease with time, reducing the fatigue of the user viewing the display screen of the display 110 for a long time.

In step S140, the controller 120 controls the display 110 to change the color temperature of the display screen over time. For example, in a manner similar to steps S130, S132, and S135, after a period of time elapses, the color temperature of the display screen of the display 110 is continuously lowered. For example, as shown in FIG. 3, at time T _3, the controller 120 controls the display 110 to a third color temperature T ₂ lower than the second color temperature T ₃ of a display screen; at time t _4, the controller 120 controls the display 110 displays a picture at a fourth color temperature T ₄ that is lower than the third color temperature T ₃ ; at time t ₅ , the controller 120 controls the display 110 to display the picture at a fifth color temperature T ₅ that is lower than the fourth color temperature T ₄ ; .., and so on.

In step S145, the controller 120 determines whether the display color temperature of the display 110 has dropped to a lower limit color temperature. For example, at time t _6, the display 110 displays the color temperature has dropped to the lower limit of the color temperature T _6, and therefore proceeds to step S150. If the display color temperature of the display 110 has not dropped to the lower limit color temperature, then returning to step S140, the controller 120 continues to control the display 110 to change the display color temperature over time.

In step S150, the controller 120 controls the display color temperature of the display 110 to no longer change with time. As shown in FIG. 3, after the time point t _6, the controller 120 controls the display 110 displays the color temperature is maintained at the lower limit of the color temperature T _6, reduced or no adjustment.

In summary, the controller 120 can control the display 110 to change the color temperature of the display screen according to the ambient brightness E1 detected by the brightness sensor 130, for example, decreasing with time, or increasing with time. In another embodiment, the color temperature of the display of display 110 can be reduced and alternately inter-operated. For example, at a point in time, the display color temperature of display 110 may be reduced (or may be increased), while at a subsequent point in time, the display color temperature of display 110 may be increased (or Can be reduced). In other words, the display color temperature adjustment curve C1 of the embodiment of the present invention is not limited to the trend of nonlinear fading in FIG. 3, and may also be nonlinear gradual increase, linear decrease, linear rise, or high and low undulation. In addition, the display color temperature adjustment curve C1 may be a continuous curve, such as a smooth or non-smooth curve, but may also be a stepwise change of the discontinuous curve. The trend of the display color temperature adjustment curve C1 may be determined according to the actual application environment, and is not limited in the embodiment of the present invention.

FIG. 4 is a flow chart showing a screen display method of the display device 100 according to another embodiment of the present invention.

In step S210, please refer to FIG. 5 simultaneously, which illustrates a color temperature control diagram of a display screen according to another embodiment of the present invention. The controller 120 determines whether the power of the display 110 is off; if so, proceeds to step S220. For example, as shown in FIG. 5, the point at t _1, the display controller 120 detects the power supply 110 is turned off, the process proceeds to step S220.

In step S220, the controller 120 records that the display color temperature of the current screen is a recorded color temperature. For example, as shown in FIG. 5, the controller 120 records the display color temperature T _r of the current picture at a time t ₁ as a recorded color temperature.

In step S230, the controller 120 determines whether the power of the display 110 is turned on within a preset time interval t _a ; if yes, proceeds to step S235; if not, proceeds to step S240.

In step S235, the first as shown in FIG. 5, the controller 120 controls the display 110 to record the color temperature (i.e., color temperature T _r) display screen. In other words, if the time when the display 110 is powered off (screen off) does not last for a predetermined time interval t _a , when the power of the display 110 is turned on again, for example, at time t ₂ shown in FIG. 5 , the controller 120 controls The display 110 displays the screen at the display color temperature T _r when it is turned off. However, if the time when the display 110 is powered off (screen off) exceeds the preset time interval t _a , the process proceeds to step S240 .

In step S240, please refer to FIG. 6 at the same time, which illustrates a color temperature control diagram of a display screen according to another embodiment of the present invention. The controller 120 determines whether the time when the display 110 is powered off (screen off) exceeds the preset time interval t _a ; if yes, proceeds to step S245; if not, returns to step S230.

In step S245, since the time when the display 110 is powered off (screen off) exceeds the preset time interval t _a , when the power of the display 110 is turned on again, as at time t ₂ in FIG. 6 , the controller 120 controls The display 110 displays the picture at an initial color temperature T ₀ . In other words, when the power of the display 110 is turned on again, if the power-off time has exceeded the preset time interval t _a , the controller 120 controls the display 110 to return to step S110 of FIG. 1 .

In addition, step S210 of FIG. 4 may be continued after any step between step S105 and step S150 of FIG. 2, and may be continued after step S150 of FIG. In other words, in the flow of FIG. 2, if the controller 120 detects that the power of the display 110 is off, it proceeds to step S220 of FIG.

The adjustment of the display color temperature of the foregoing embodiment may be independent of changes in the ambient color temperature. In another embodiment, the controller 120 can control the display color temperature of the display 110 according to whether the ambient brightness is dimmed.

Please refer to FIG. 7 at the same time, which illustrates a color temperature control diagram of a display screen according to another embodiment of the present invention. In step S310, the controller 120 determines whether the ambient brightness is dimmed and determines whether the power of the display 110 is off. If yes, the process proceeds to step S315. In step S315, when the power of the display 110 is turned on again and the ambient brightness is bright, the controller 120 controls the display 110 to display the screen at the initial color temperature T ₀ .

For example, in FIG. 5, at time t1, if the power of the display 110 is turned off and the ambient brightness has become dark (such as turning off the light) or after a preset time interval (if the user turns off the display 110, then go) Dim the ambient brightness) The ambient brightness is dimmed. When the power of the display 110 is turned on again and the ambient brightness has become brighter (such as turning on the light) or after a period of time (if the user adjusts the ambient brightness, then go When the power of the display 110 is turned on, the controller 120 controls the display 110 to display the screen at the initial color temperature T ₀ . In other words, if the ambient brightness is dimmed and the display of the display 110 is off, indicating that the user may not use the display device 100, the display 110 redisplays the screen at the initial color temperature T _{0 the} next time the display 110 is powered on.

In summary, the controller of the display device according to an embodiment of the present invention can control the display to adjust the color temperature of the display screen, such as lowering or raising, etc., over time. In terms of color temperature reduction, when the power of the display is turned on, it can display a higher color temperature (cold) picture with the ambient brightness or the user's setting, and gradually reduce the display color temperature as time progresses, allowing the user to get used to the lower color temperature. (warm, softer) display.

In conclusion, the present invention has been disclosed in the above preferred embodiments, and is not intended to limit the present invention. A person skilled in the art can make various changes and modifications without departing from the spirit and scope of the invention. Therefore, the scope of the invention is defined by the scope of the appended claims.

Claims (16)

A screen display method includes: setting an initial color temperature; the display device displays a screen at the initial color temperature; detecting that the screen is continuously displayed at the initial color temperature for one time; and when the time reaches a first predetermined time, the The display device displays the picture at a first color temperature, wherein the first color temperature is different from the initial color temperature. The screen display method of claim 1, wherein the step of setting the initial color temperature comprises: detecting an ambient brightness; and setting the initial color temperature according to the ambient brightness. The screen display method of claim 1, wherein the first color temperature is lower than the initial color temperature. The method for displaying a picture according to claim 3, further comprising: when the time reaches a second predetermined time, the display device displays the picture at a second color temperature; The second predetermined time is later than the first predetermined time, and the second color temperature is lower than the first color temperature. The screen display method of claim 1, further comprising: if the power of the display device is turned off, recording the display color temperature of the screen as a record color temperature; and when the power of the display device is within a preset time interval Turn on and display the picture at the recorded color temperature. The screen display method of claim 1, further comprising: if the power-off time of the display device exceeds a predetermined time interval, when the power of the display device is turned on again, the screen is displayed at the initial color temperature. The screen display method according to claim 1, further comprising: if an ambient brightness is darkened and the power of the display device is turned off, when the power of the display device is turned on again and the ambient brightness is brightened, the initial The color temperature displays the screen. The method for displaying a picture according to claim 3, further comprising: determining whether the display color temperature of the picture has decreased to a lower limit color temperature; and if the display color temperature of the picture has decreased to the lower limit color temperature, the display color temperature of the picture No longer adjust over time. A display device includes: a display for displaying a picture; and a controller for: operating: setting an initial color temperature; controlling the display to display the picture at the initial color temperature; detecting the picture to continue with the initial color temperature Displaying a time; and when the time reaches a first predetermined time, controlling the display to display the picture at a first color temperature, wherein the first color temperature is different from the initial color temperature. The display device of claim 9, wherein the first color temperature is lower than the initial color temperature. The display device of claim 9, further comprising: a brightness sensor for detecting an ambient brightness; wherein the controller is further configured to: set the initial color temperature according to the ambient brightness. The display device of claim 10, wherein the controller is further configured to: when the time reaches a second predetermined time, control the display to display the screen at a second color temperature; wherein the The second predetermined time is later than the first predetermined time, and the second color temperature is lower than the first color temperature. The display device of claim 9, wherein the controller is further configured to: if the power of the display is turned off, record the display color temperature of the screen as a record color temperature; and when the power of the display is in a pre- Set to open within the time interval, control the display to display the picture at the recorded color temperature. The display device of claim 9, wherein the control device The controller is further configured to: if the power off time of the display exceeds a preset time interval, when the power of the display is turned on again, the display is controlled to display the picture at the initial color temperature. The display device of claim 9, wherein the controller is further configured to operate when the brightness of the environment is dimmed and the power of the display is turned off, when the power of the display is turned on again and the brightness of the environment is brightened. And controlling the display to display the picture at the initial color temperature. The display device of claim 10, wherein the controller is further configured to: determine whether the display color temperature of the screen has decreased to a lower limit color temperature; and if the display color temperature of the screen has decreased to the lower limit color temperature , the display color temperature that controls the picture is no longer adjusted with time.