CN102402900B - Be provided with the display of solar cell - Google Patents

Abstract

A display provided with a solar cell relates to a display including a display main body. The main body of the display is provided with a display panel, and also includes a plurality of solar cells located on the main body of the display, and a plurality of solar cells are provided with a power output terminal. The solar cell converts light energy into electrical energy and outputs it through the electrical output terminal. The power output of the solar cell is coupled to a device using the solar cell-equipped display or to a user interface of the solar cell-equipped display.

Description

Display with solar cells

technical field

The present invention relates to display devices, in particular to displays.

Background technique

The main body of the display generally needs electric energy during the display process, so most existing displays are connected with a power supply system, and this structure will impose a burden on the power supply system of the device. And for the convenience of observation, the display panel of the display is generally larger and takes up a lot of space, but the display panel has no other functions when the display is not in use.

Contents of the invention

The object of the present invention is to provide a display provided with solar cells.

The technical problem solved by the present invention can adopt following technical scheme to realize:

The display provided with solar cells includes a display main body, the display main body is provided with a display panel, and it is characterized in that it also includes a plurality of solar cells, the plurality of solar cells are located on the display main body, and the plurality of solar cells are provided with a power output. The solar cell converts light energy into electrical energy and outputs it through the electrical output terminal. The power output of the solar cell is coupled to a device using the solar cell-equipped display or to a user interface of the solar cell-equipped display.

A plurality of solar cells can be connected into a plate shape, and a solar cell panel can also be used directly. The plate-shaped body or solar cell panel formed by connecting a plurality of solar cells is less difficult to wire, which can reduce the process difficulty during installation. The solar panel may be a monocrystalline silicon solar panel, a polycrystalline silicon solar panel and/or an amorphous silicon solar panel. A plurality of solar cells can also be set relatively independently to increase the flexibility of their installation. The specific form of the plurality of solar cells can be adjusted according to the type and installation position of the display panel.

The plurality of solar cells may be located under the display panel. The display body may be an organic electroluminescence display, and the display panel is an organic light emitting diode display panel. The display body can also be a liquid crystal display, and the display panel is a liquid crystal display panel. The main body of the display can also be a plasma display, the display panel includes a low-pressure gas chamber layer composed of a low-pressure gas chamber, a phosphor layer composed of phosphor is arranged under the low-pressure gas chamber layer, and the solar cell is located under the phosphor layer. The main body of the display is electronic paper, the display panel includes a front substrate and a back substrate, the back substrate is coated with electronic ink, and the solar cell is placed under the back substrate. A plurality of solar cells are located under the display panel, which is easy to install and easy to replace when damaged. Moreover, the plurality of solar cells will not block the display panel and will not affect the display effect of the display panel.

The plurality of solar cells can also be implanted into the display panel. For example: the main body of the display is an organic electroluminescence display, the display panel is an organic light emitting diode display panel, and the organic light emitting diode display panel is provided with a plurality of organic light emitting diodes, and the plurality of solar cells are respectively placed in the Inside an organic light-emitting diode. The main body of the display is a plasma display, the display panel includes a low-pressure gas chamber layer composed of a plurality of low-pressure gas chambers, a phosphor layer composed of phosphors is arranged under the low-pressure gas chamber layer, and the plurality of solar cells are placed The plurality of low-pressure gas chambers. In the above structure, a plurality of solar cells are located inside the display panel, which eliminates the shielding of the solar cells by the bottom layer of the display panel, and improves the utilization rate of light energy of the solar cells. Another example: the main body of the display is electronic paper, the display panel includes a front substrate and a back substrate, the back substrate is coated with electronic ink, the plurality of solar cells are connected to each other in a plate shape, and the plurality of solar cells are connected to each other The formed plate-shaped body is used as the back substrate. The solar battery panel with this structure is directly used as a part of the display panel, and the back substrate is omitted, which can effectively reduce the cost. In order to ensure the flexibility of the electronic paper, a plurality of solar cells can be arranged in rows and columns. In order not to affect the contrast of the display screen, the plurality of solar cells may be solar cells with light-colored effective active surfaces for light reception.

The display body may further include a backlight module, and the plurality of solar cells are located under the backlight module. When the solar cell transmits light, the position of the solar cell can be relatively free. For example, the backlight module includes a diffuser plate and a light source located under the diffuser plate, and the solar cell is placed between the light source and the diffuser plate.

A portable handheld device using a display provided with solar cells, including a handheld device body, the handheld device body includes a display, and the display is provided with a display panel, characterized in that: the display also includes a plurality of solar cells, so The plurality of solar cells are located on the main body of the display, the plurality of solar cells are provided with a power output end, and the power output ends of the plurality of solar cells are coupled to the main body of the handheld device.

In order to further increase the electric energy converted by the solar cell, it is necessary to increase the area of the display, and increasing the area of the display is also a development trend of portable handheld devices in the future. Therefore, with the further reduction of power consumption of portable handheld devices, displays with solar cells will be used more and more in portable handheld devices, such as: mobile phones, MP3, MP4, game consoles, personal digital assistants, notebook computers etc., especially touch screen devices and electronic paper books.

Description of drawings

Fig. 1 is a partial structural representation of the present invention;

Fig. 2 is a kind of structural representation when the present invention is provided with backlight module;

FIG. 3 is a schematic structural view of the solar cell of the present invention when it is light-transmitting.

Detailed ways

In order to make the technical means, creative features, goals and effects achieved by the present invention easy to understand, the present invention will be further described below in conjunction with specific diagrams.

Referring to FIG. 1 , FIG. 2 and FIG. 3 , a display provided with solar cells includes a display body and a plurality of solar cells. The main body of the display is provided with a display panel 1, and a plurality of solar cells 2 are located on the main body of the display. The plurality of solar cells 2 are provided with a power output terminal. The solar cell converts light energy into electrical energy and outputs it through the electrical output terminal.

The power output of the solar cell is coupled to a device using the solar cell-equipped display or to a user interface of the solar cell-equipped display. The solar cell can be used as an auxiliary electric energy source and switched between existing electric energy sources. Solar cells can also be used as a supplementary source of electrical energy to supplement existing electrical energy sources (mainly rechargeable batteries). Solar cells can also be used as an alternative source of electrical energy to directly replace existing sources of electrical energy. The specific application mode can be determined according to the power consumption of the equipment using the display equipped with solar cells and people's wishes. When the solar battery can be used as an auxiliary power source, the solar battery can be connected to the original power supply system of the device through a solar battery power supply control module. In addition, a power supply mode switching module can also be set. When the power of the solar battery is insufficient, the power supply mode switching module can be used to switch to the existing power source of the device to ensure the normal use of the device.

A plurality of solar cells 2 can be located under the display panel 1 . When the display panel 1 is in the light-transmitting state, the external light passes through the display panel 1 and shoots to the solar cell. As long as there is light shining on the light-receiving active surface of the solar cell, the solar cell will convert the light energy into electrical energy, and pass the electricity The output port is output externally. Of course, the plurality of solar cells 2 can also be located in other positions.

Specific embodiment 1

The display body is an organic electroluminescence display, and the display panel 1 is an organic light emitting diode display panel, and the organic light emitting diode display panel is provided with a plurality of organic light emitting diodes. A plurality of solar cells are respectively placed in the organic light-emitting diodes. It is also possible to connect a plurality of solar cells 2 into a plate shape or directly use a solar cell panel, and place the solar cells under the display panel 1 .

Specific embodiment 2

The display body is a liquid crystal display, and the display panel 1 is a liquid crystal display panel. The solar cell is located under the display panel 1 and can be coupled to the display panel 1 through a coupling layer. The liquid crystal display panel may be a TN panel, a PVA panel or an MVA panel. The display main body of the display provided with the solar cell may be a black and white liquid crystal display main body or a color liquid crystal display main body. The main body of the display also includes a photosensitive element, which is connected to the liquid crystal display panel through a luminous flux adjustment module. The luminous flux adjustment module mainly adjusts the luminous flux of the liquid crystal display panel by adjusting the state of the liquid crystal. In the case that the liquid crystal display panel has a display, the luminous flux of the liquid crystal display panel is inconvenient to change and change according to the needs of the display. In the case of no display on the liquid crystal display panel, if the external light intensity is small, the electric energy that can be converted by the solar cell is very effective, and it is unnecessary to pay attention to the luminous flux of the liquid crystal display panel at this time. When the light intensity reaches the set light intensity value, the liquid crystal display panel above the solar cell is light-transmitting, so that the light is irradiated to the light-receiving surface of the solar cell effectively, and the conversion rate of solar energy is improved.

Specific embodiment 3

The main body of the display is a plasma display, and the display panel 1 includes a low-pressure gas chamber layer composed of low-pressure gas chambers. A phosphor layer composed of phosphors is arranged below the low-pressure gas chamber layer. A plurality of solar cells are placed in a plurality of low-pressure gas chambers. A plurality of solar cells 2 can also be located under the phosphor layer. It is also possible to use solar panels directly, by coating the phosphors on the solar panels. A solar panel is used as a carrier layer for the phosphor layer.

Specific embodiment 4

The main body of the display is electronic paper, the display panel 1 includes a front substrate and a back substrate, the back substrate is coated with electronic ink, and a plurality of solar cells 2 are located below the back substrate. A plurality of solar cells 2 can be pasted on the back of the back substrate, or can be connected to form a plate, and the back substrate is replaced by a plate formed by connecting the plurality of solar cells 2 . In order to ensure the flexibility of the electronic paper, a plurality of solar cells 2 can be arranged in rows and columns. In order not to affect the contrast of the display screen, the plurality of solar cells 2 preferably use light-colored solar cells with effective light-receiving active surfaces. Electronic paper can adopt electrophoretic display technology, electronic powder fluid display technology, cholesteric liquid crystal display technology, and bistable nematic liquid crystal display technology.

The main body of the display is a touch-sensitive display, the display panel 1 includes a touch panel, and a plurality of solar cells 2 are located under the touch panel. The touch panel is a resistive touch screen, capacitive sensing touch screen, infrared touch screen, surface acoustic wave touch screen or camera-based touch panel. The resistive touch screen consists of a base layer, coated with a conductive layer on the surface of the base layer, the conductive layer has two layers, and the two layers of conductive layers are separated by isolation points for insulation. A solar cell 2 or a solar panel is used as the base layer or attached below the base layer. Capacitive touch screens include a four-layer composite glass screen. A plurality of solar cells 2 are located under the four-layer composite glass screen.

The main body of the display can also include a backlight module, and a plurality of solar cells 2 are located under the backlight module. When the backlight module adopts a side-light structure, referring to FIG. 2 , the backlight module includes a light guide plate 4 and a light source 3 located on the side of the light guide plate. The solar cells are located under the light guide plate 4 . This type of display has the advantages of light weight, thin profile, narrow frame, low power consumption, etc., and can be applied to mobile phones, personal digital assistants, notebook computers, etc. When the backlight module adopts a direct type structure, the backlight module includes a diffuser plate and a light source located below the diffuser plate. The solar cells are located below the light source. This kind of display has the advantages of high luminance, good light emitting angle, high light utilization efficiency, and simple structure, and is suitable for monitors and TVs that are less picky about portability and space requirements.

Referring to FIG. 3 , when the solar cell is transparent, that is, the solar cell is made of transparent or semi-transparent material, and the brightness of the display is low, the solar cell can be placed between the light source 3 and the diffusion plate 5 .

The solar panels in each of the above embodiments can be monocrystalline silicon solar panels, polycrystalline silicon solar panels and/or amorphous silicon solar panels.

A portable handheld device using a display provided with solar cells includes a handheld device main body. The main body of the handheld device includes a display, the display is provided with a display panel 1, the display also includes a plurality of solar cells 2, the plurality of solar cells 2 are located on the main body of the display, the plurality of solar cells 2 are provided with a power output terminal, and the plurality of solar cells 2 The power output end is coupled to the main body of the handheld device.

In order to further increase the electric energy converted by the solar cell, it is necessary to increase the area of the display, and increasing the area of the display is also a development trend of portable handheld devices in the future. Therefore, with the further reduction of power consumption of portable handheld devices, displays with solar cells will be used more and more in portable handheld devices, such as: mobile phones, MP3, MP4, digital cameras, game consoles, personal digital assistants , laptops, etc., especially touch screen devices and electronic paper books.

When used on a touch screen device, the display is a touch sensitive display, the display panel 1 includes a touch panel, the touch panel is a capacitive sensing touch screen, a plurality of solar cells 2 are located below the capacitive sensing touch screen, and a plurality of solar cells 2 The power output terminal of the handheld device is connected to the charging terminal of the rechargeable battery of the main body of the handheld device. The touch panel can also be a resistive touch screen, an infrared touch screen, a surface acoustic wave touch screen, or a camera-based touch panel.

When used on an electronic paper book, the main body of the handheld device is the main body of the electronic paper book, and the main body of the electronic paper book includes a display panel 1; the display panel 1 includes a front substrate and a back substrate, the back substrate is coated with electronic ink, and a plurality of solar cells 2 Placed under the back substrate, the power output ends of the plurality of solar cells 2 are connected to a battery, and the battery is used as the power source for the main body of the electronic paper book.

Of course, the display provided with solar cells can also be used in other low power consumption devices, such as electronic watches, calculators and the like.

The basic principles and main features of the present invention and the advantages of the present invention have been shown and described above. Those skilled in the industry should understand that the present invention is not limited by the above-mentioned embodiments. What are described in the above-mentioned embodiments and the description only illustrate the principle of the present invention. Without departing from the spirit and scope of the present invention, the present invention will also have Variations and improvements are possible, which fall within the scope of the claimed invention. The protection scope of the present invention is defined by the appended claims and their equivalents.

Claims (8)

1. be provided with the display of solar cell, comprise display unit main body, described display unit main body is provided with a display panel, it is characterized in that, also comprise a plurality of solar cell, described a plurality of solar cell is positioned on display unit main body, and described a plurality of solar cell is provided with a power output end;

Described display unit main body is liquid crystal display, and described display panel is display panels;

Described a plurality of solar cell connects into tabular or directly uses solar panel as a plurality of solar cell, is positioned at the below of described display panel;

Described display unit main body also comprises a light activated element, described light activated element connects described display panels by a luminous flux adjusting module, when display panels is without display, after light intensity reaches the light intensity value of setting, the display panels printing opacity above described a plurality of solar cell.

2. the display being provided with solar cell according to claim 1, is characterized in that; The power output end of described solar cell is coupled to the user interface of the display using this equipment being provided with the display of solar cell or be provided with solar cell.

3. the display being provided with solar cell according to claim 1, is characterized in that: described in be provided with solar cell any one portable handheld device in mobile phone, MP3, MP4, game machine, personal digital assistant, notebook computer of display application on.

4. the display being provided with solar cell according to claim 1, is characterized in that: described display unit main body is monochrome liquid crystal display main body or colour liquid crystal display device main body.

5. the display being provided with solar cell according to claim 1, is characterized in that: solar cell is that printing opacity or semi transparent material are made.

6. the display being provided with solar cell according to claim 1, is characterized in that: solar panel is all any one solar panels in mono-crystalline silicon solar plate, polycrystalline silicon solar plate or amorphous silicon solar energy plate.

7. the display being provided with solar cell according to claim 1, is characterized in that: described in be provided with the equipment of any one low power consumption of display in accutron, counter of solar cell.

8. adopt the portable handheld device being provided with the display of solar cell, comprise a handset body, described handset body comprises a display, described display is provided with a display panel, it is characterized in that: described display also comprises a plurality of solar cell, described a plurality of solar cell is positioned on display unit main body, and described a plurality of solar cell is provided with a power output end, and the power output end of described a plurality of solar cell is coupled to handset body;

Described display unit main body is liquid crystal display, and described display panel is display panels;

Described a plurality of solar cell connects into tabular or directly uses solar panel as a plurality of solar cell, is positioned at the below of described display panel;

Described display unit main body also comprises a light activated element, described light activated element connects described display panels by a luminous flux adjusting module, when display panels is without display, after light intensity reaches the light intensity value of setting, the display panels printing opacity above described a plurality of solar cell.