Solar display screen

Abstract

The utility model relates to the field of display, in particular to a solar display screen, which comprises a display layer, an active element array layer, a thin film transistor (TFT) glass substrate, an energy storage battery and a solar battery, the display layer, the active element array layer, the TFT glass substrate, the energy storage battery and the solar battery are arranged in sequence; the solar cell comprises a thermoelectric conversion film and a solar cell module. The solar battery module is connected with the thermoelectric conversion film and the energy storage battery; through the arrangement of the thermoelectric conversion film, a new energy conversion mode can be provided on the basis of an existing solar display screen, the problem that the light utilization rate of solar energy at present can only reach 30%-50% is effectively solved, and the problem that the temperature of the display screen is high possibly when the environment is too hot or energy consumption is too high is solved. Therefore, the service life of the outdoor display screen is prolonged.

Description

TECHNICAL FIELD

[0001] The utility model relates to display field, concretely is a solar display screen. BACKGROUND

[0002] The power consumption of display screen gradually increases, and the continuous use time of display screen after charging is restricted due to the limitation of existing battery technology, and the technology of solar energy has been widely used in water heater, calculator, battery and many other fields.

[0003] The light utilization rate of solar cell in the current market display screen product is only 30-50% due to the influence of ITO coating layer transmittance in screen and the shielding of TFT circuit, and the influence of internal heat of display screen on structure is not considered when long-term exposed to the sun, which cannot fully meet the demand of current market for outdoor display time and service life of display screen.

[0004] The prior art patent 202122490060.4 - a solar display screen does not explicitly disclose the technical content for solving the above technical problems.

[0005] Therefore, in order to improve or solve the above at least one problem, it is necessary to optimize the design of the existing solar display screen. INVENTION CONTENT

[0006] The utility model aims at providing a solar display screen with high light utilization rate and long service life.

[0007] In order to achieve the above purpose, the utility model adopts the technical scheme that:

[0008] A solar display screen, comprising a display layer, an active element array layer, a TFT glass substrate, an energy storage battery and a solar cell; the display layer, the active element array layer, the TFT glass substrate, the energy storage battery and the solar cell are arranged in sequence.

[0009] The solar cell comprises a thermoelectric conversion film and a solar cell module; the solar cell module is connected with the thermoelectric conversion film and the energy storage battery.

[0010] The energy storage battery is a lithium ion battery.

[0011] The solar cell module is electrically connected with the thermoelectric conversion film and the energy storage battery.

[0012] The electrodes in the display layer, the active element array layer, the TFT glass substrate, the energy storage battery and the solar cell are realized by glass coating transparent ITO conductive film.

[0013] The display layer comprises a glass substrate, an electrode layer and a display medium; the glass substrate, the electrode layer and the display medium are sequentially arranged, and the display medium is arranged close to the active element array layer.

[0014] The display medium comprises electrophoretic electronic ink capsules, electrowetting liquid or cholesteric liquid crystal.

[0015] The active element array layer comprises a plurality of pixel structures.

[0016] The solar cell module comprises a silicon-based semiconductor cell, a CdTe thin film cell, a CI GS thin film cell, a dye-sensitized thin film cell or an organic material cell.

[0017] The thermoelectric conversion film is made of an organic thermoelectric film material.

[0018] The active element array layer, the energy storage battery and the solar cell are distributed on opposite sides of the TFT glass substrate.

[0019] The utility model has the advantages that:

[0020] The utility model discloses a solar display screen.

[0021] The utility model discloses a solar display screen. BRIEF DESCRIPTION OF DRAWINGS

[0022] The contents expressed by each drawing of the utility model specification and the marks in the drawing are briefly explained as follows:

[0023] Figure 1 It is the structural schematic diagram of the utility model.

[0024] The marks in the above-mentioned drawing are as follows:

[0025] 110, display layer, 120, active element array layer, 130, TFT glass substrate, 140, lithium ion battery, 150, solar cell; 111, glass substrate, 112 electrode layer, 113, display medium. DETAILED DESCRIPTION

[0026] The specific implementation mode of the utility model is further explained in detail by comparing the drawings and describing the optimal embodiment.

[0027] The utility model relates to a solar display screen, including display layer 110, active element array layer 120, TFT glass substrate 130, energy storage battery and solar cell 150, display layer 110, active element array layer 120, TFT glass substrate 130, energy storage battery and solar cell 150 arrange in proper order, solar cell 150 includes thermoelectric conversion film 151 and solar cell 150 module, solar cell 150 module is connected with thermoelectric conversion film 151 and energy storage battery, the utility model discloses a new energy conversion mode can be provided on the basis of existing solar display screen through the setting of thermoelectric conversion film 151, effectively improve the problem that the light utilization of current solar energy can only reach 30% -50%, and solve the problem that the display screen can cause the higher temperature of display screen when the environment is overheated or energy consumption is too high, thereby improve the service life of outdoor display screen.

[0028] The energy storage battery in the utility model is lithium ion battery 140, and of course other kinds of energy storage battery structures can be selected according to needs.

[0029] The solar cell 150 module is electrically connected with the thermoelectric conversion film 151 and the energy storage battery in the utility model, can charge the lithium ion battery 140 based on the design, realizes photoelectric and thermoelectric double conversion, can effectively alleviate the phenomenon that the temperature is too high after the display screen is exposed to the sun for a long time, and improves the light and heat utilization.

[0030] Further, the electrodes in the display layer 110, the active element array layer 120, the TFT glass substrate 130, the energy storage battery and the solar cell 150 in the utility model are realized by glass plating transparent ITO conductive film, and the light utilization of solar energy can be improved based on the design to make up for the problem of low light utilization of the current solar cell 150 technology.

[0031] Specifically:

[0032] The utility model discloses a solar display screen, including display layer 110, active element array layer 120, TFT glass substrate 130, energy storage battery and solar cell 150, display layer 110, active element array layer 120, TFT glass substrate 130, energy storage battery and solar cell 150 arrange in proper order, the display layer 110 in the utility model includes glass substrate 111130, electrode layer 112 and display medium 113, glass substrate 111130, electrode layer 112 and display medium 113 set gradually, display medium 113 is close to active element array layer 120 and sets up, as Figure 1The utility model discloses a solar display screen mainly includes display layer 110, active element array layer 120, TFT glass substrate 130, lithium ion battery 140 and solar cell 150 as shown, display layer 110 is placed above active element array layer 120, and display layer 110 includes glass substrate 111, electrode layer 112 and display medium 113, active element array layer 120 is composed of a plurality of pixel structure 121, and is placed on the upper surface 131 of TFT glass substrate 130, and lithium ion battery 140 and solar cell 150 are placed in turn on the lower surface 132 of TFT glass substrate 130, solar cell 150 includes high -transparency, high -conductivity PEDOT:PSS's thermoelectric conversion thin film 151 and solar cell module 152, and the electrode involved in the solar display screen disclosed by the utility model all adopts glass to coat transparent ITO conductive film to improve light utilization.

[0033] Further, the display medium 113 in the utility model includes electrophoretic electronic ink capsules, electrowetting liquid or cholesteric liquid crystal; the display medium 113 includes but is not limited to electrophoretic electronic ink capsules, electrowetting liquid, cholesteric liquid crystal.

[0034] Further, the solar cell 150 module in the utility model includes silicon-based semiconductor battery, CdTe thin film battery, CI GS thin film battery, dye-sensitized thin film battery or organic material battery; the types of solar cell module 152 include, but are not limited to: silicon-based semiconductor battery, CdTe thin film battery, CI GS thin film battery, dye-sensitized thin film battery, organic material battery.

[0035] Further, the solar cell module 152 is electrically connected with the thermoelectric conversion thin film 151 and the lithium ion battery 140, charges the lithium ion battery 140, realizes photoelectric and thermoelectric double conversion, can effectively alleviate the phenomenon that the temperature is too high after the display screen is exposed to the sun for a long time, improves the utilization rate of ambient light and heat.

[0036] In conclusion, the high -efficient solar display screen provided by the utility model uses the mode that the electrode involved in display layer 110, active element array layer 120, TFT glass substrate 130, lithium ion battery 140 and solar cell 150 all adopt glass to coat transparent ITO conductive film, and adds a layer of high -transparency, high -conductivity PEDOT:PSS's thermoelectric conversion thin film 151 between solar cell 150 module and lithium ion battery 140, can provide new energy conversion mode on the basis of the existing solar display screen, effectively improve the problem that the light utilization rate of current solar energy can only reach 30 %-50 %, and solve the problem that the display screen temperature can be relatively high when the environment is overheated or energy consumption is too high, thereby improve the service life of outdoor display screen.

[0037] Embodiment 1:

[0038] The utility model discloses a kind of efficient solar display screen, belong to display screen technical field.A kind of efficient solar display screen includes a display layer 110, a TFT glass substrate 130, an active element array, a lithium ion battery 140 and a solar cell 150, wherein the electrode involved is all implemented using glass plating transparent ITO conductive film.Effective solar display screen is disclosed in the utility model, and the display layer 110 is placed above the active element array layer 120, and includes a glass substrate 111 130, an electrode layer 112 and a display medium 113.

[0039] TFT glass substrate 130 has corresponding upper surface and lower surface.Active element array layer 120 is composed of multiple pixel structures 121, and is placed on the upper surface of TFT glass substrate 130.Lithium ion battery 140 and solar cell 150 are placed on the lower surface of TFT glass substrate 130, and solar cell 150 includes thermoelectric conversion film 151 and solar cell 150 module, and thermoelectric conversion film 151 is arranged between lithium ion battery 140 and solar cell 150 module.Thermoelectric conversion film 151 and solar cell 150 respectively realize the conversion of heat energy and light energy, provide charging energy for lithium ion battery 140, and improve the energy saving and convenience of the display screen.

[0040] The utility model discloses a solar display screen mainly includes display layer 110, active element array layer 120, TFT glass substrate 130, lithium ion battery 140 and solar cell 150;The display layer 110 is placed above active element array layer 120, and includes glass substrate 111, electrode layer 112 and display medium 113;TFT glass substrate 130 has corresponding upper surface 131 and lower surface 132;Active element array layer 120 is placed on the upper surface 131 of TFT glass substrate 130, and lithium ion battery 140 and solar cell 150 are sequentially placed on the lower surface 132 of TFT glass substrate 130;Solar cell 150 includes thermoelectric conversion film 151 and solar cell module 152.

[0041] The electrode involved in display layer 110, active element array layer 120, TFT glass substrate 130, lithium ion battery 140 and solar cell 150 is all implemented using glass plating transparent ITO conductive film.

[0042] Active element array layer 120 is composed of multiple pixel structures 121.

[0043] The thermoelectric conversion film 151 is a high-transparency and high-conductivity PEDOT:PSS 3,4-ethylenedioxythiophene doped polystyrene sulfonic acid organic thermoelectric film material, which can be uniformly distributed on the solar cell 150 module by means of spraying, spin coating, screen printing, blade coating, inkjet printing and the like.

[0044] The solar cell module 152 is electrically connected with the thermoelectric conversion film 151 and the lithium ion battery 140, and charges the lithium ion battery 140, realizes dual conversion of photovoltaic and thermoelectric, and can effectively alleviate the phenomenon of high temperature of the display screen after long-time exposure to the sun, and improves the utilization rate of ambient light and heat.

[0045] The electrodes involved in the display screen are all made of glass coated with transparent ITO conductive film, which improves the light utilization rate of solar energy and makes up for the problem of low light utilization rate of the solar cell 150.

[0046] A thermoelectric conversion film 151 is added between the solar cell 150 module and the lithium ion battery 140, the thermoelectric conversion film 151 and the solar cell 150 module provide new thermoelectric and photovoltaic energy conversion modes for the lithium ion battery 140, which can extend the use time of the outdoor display screen and alleviate the heat dissipation problem of the display screen when the environment is overheated or the energy consumption is too high; and the high-transparency and high-conductivity PEDOT:PSS 3,4-ethylenedioxythiophene doped polystyrene sulfonic acid organic thermoelectric film material is used as the thermoelectric conversion film 151, which has better transparency and higher conductivity.

[0047] Obviously, the specific implementation of the present application is not limited by the above-mentioned manner, and various non-essential improvements made by adopting the method concept and technical scheme of the present application are within the protection scope of the present application.

Claims

1. A solar display screen, characterized by, The display layer, the active element array layer, the TFT glass substrate, the energy storage battery and the solar cell are arranged in sequence. The solar cell comprises a thermoelectric conversion film and a solar cell module, and the solar cell module is connected with the thermoelectric conversion film and the energy storage battery.

2. A solar display screen according to claim 1, wherein, The energy storage battery is a lithium ion battery.

3. A solar display according to any one of claims 1-2, characterized in that The solar cell module is electrically connected with the thermoelectric conversion film and the energy storage battery.

4. A solar display according to any one of claims 1-2, characterized in that The electrodes in the display layer, the active element array layer, the TFT glass substrate, the energy storage battery and the solar cell are all realized by glass coated with transparent ITO conductive film.

5. A solar display according to any one of claims 1-2, wherein, The display layer comprises a glass substrate, an electrode layer and a display medium, which are arranged in sequence, and the display medium is arranged close to the active element array layer.

6. A solar display screen according to claim 5, wherein, The display medium comprises electrophoretic electronic ink capsules, electrowetting liquid or cholesteric liquid crystal.

7. A solar display according to any one of claims 1-2, wherein, The active element array layer comprises a plurality of pixel structures.

8. A solar display according to any one of claims 1-2, wherein, The solar cell module comprises a silicon-based semiconductor battery, a CdTe thin film battery, a CIGS thin film battery, a dye-sensitized thin film battery or an organic material battery.

9. A solar display according to any one of claims 1-2, wherein, The thermoelectric conversion film is made of an organic thermoelectric film material.

10. The solar display screen of claim 1, wherein, The active element array layer, the energy storage battery and the solar cell are distributed on opposite sides of the TFT glass substrate.

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