CN205318053U - Display substrate and display device - Google Patents
Display substrate and display device Download PDFInfo
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- CN205318053U CN205318053U CN201620065066.3U CN201620065066U CN205318053U CN 205318053 U CN205318053 U CN 205318053U CN 201620065066 U CN201620065066 U CN 201620065066U CN 205318053 U CN205318053 U CN 205318053U
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Abstract
The utility model discloses a display substrate and display device relates to and shows technical field, for solving because of each regional inhomogeneous relatively poor problem of image display quality that leads to display device of public voltage on the NULL layer. Display substrates is including setting up the photovoltaic layer between first base plate and second base plate, and the photovoltaic layer is located black matrix towards one side of backlight unit, and the photovoltaic layer includes at least one photovoltaic cell, at least one photovoltaic cell in the photovoltaic layer and the voltage compensation point connection on the NULL layer. Photovoltaic cell in the photovoltaic layer produces voltage down of the shining of being shaded, and voltage that photovoltaic cell in the photovoltaic layer produced is through voltage compensation point input NULL layer, compensates the public voltage on the NULL layer, improves the homogeneity of the public voltage in each region on the NULL layer to improve display device's image display quality.
Description
Technical field
This utility model relates to Display Technique field, particularly relates to a kind of display base plate and display device.
Background technology
At present, display device generally includes display base plate, display base plate includes the first substrate and the second substrate that are oppositely arranged, liquid crystal layer it is provided with between first substrate and second substrate, wherein, first substrate is provided with pixel electrode layer, second substrate is provided with common electrode layer, or, pixel electrode layer and common electrode layer are respectively provided with on the first substrate, by applying voltage to pixel electrode layer and common electrode layer respectively, thus forming electric field in liquid crystal layer, the liquid crystal molecule in liquid crystal layer is made to deflect, and then control backlight module provide backlight by measure, to show picture.
Generally, the common electric voltage being applied in common electrode layer is a constant voltage, and in common electrode layer, the common electric voltage of regional is equal. But; owing to there is impedance in the drive circuit of common electrode layer and common electrode layer; the common electric voltage of the regional that causes being carried in common electrode layer differs; namely in common electrode layer, the common electric voltage of regional is uneven; especially large-sized display base plate (is such as sized larger than the display base plate of 32 cun); would generally occur dodging green (Greenish), dodging phenomenons such as red (Redish), cause that the image display quality of display device is poor.
Utility model content
The purpose of this utility model is in that to provide a kind of display base plate and display device, for solving the technical problem that causes the image display quality of display device poor because in common electrode layer the common electric voltage of regional is uneven.
To achieve these goals, this utility model provides following technical scheme:
First aspect of the present utility model provides a kind of display base plate, described display base plate includes the first substrate of the backlight module near display device and away from the second substrate of described backlight module, described first substrate and described second substrate are oppositely arranged, patterned black matrix and common electrode layer it is provided with between described first substrate and described second substrate, described display base plate also includes the photovoltaic layer being arranged between described first substrate and described second substrate, described photovoltaic layer is positioned at the described black matrix side towards described backlight module, described photovoltaic layer includes at least one photovoltaic cell, at least one described photovoltaic cell in described photovoltaic layer is connected with the voltage compensation point in described common electrode layer.
Based on the technical scheme of above-mentioned display base plate, second aspect of the present utility model provides a kind of display device, and described display device is provided with the display base plate as described in technique scheme.
The display base plate provided by this utility model assembles after in a display device, during display device work, the part backlight illumination that the backlight module of display device provides is on photovoltaic layer, the photovoltaic cell of photovoltaic layer issues raw photovoltaic effect in the irradiation of backlight, namely backlight is utilized to produce voltage, the voltage that in photovoltaic layer, photovoltaic cell produces voltage compensation point input common electrode layer in common electrode layer, to compensate the common electric voltage in region corresponding with this voltage compensation point in common electrode layer, to improve the uniformity of the common electric voltage of regional in common electrode layer, prevent from dodging green (Greenish), dodge the generation of phenomenons such as red (Redish), thus improving the image display quality of display device.
Accompanying drawing explanation
Accompanying drawing described herein is used for providing being further appreciated by of the present utility model, constitutes a part of the present utility model, and schematic description and description of the present utility model is used for explaining this utility model, is not intended that improper restriction of the present utility model. In the accompanying drawings:
The structured flowchart of the display base plate that Fig. 1 provides for this utility model embodiment;
Fig. 2 is the schematic diagram of booster circuit in Fig. 1;
The schematic diagram of the square wave that Fig. 3 provides for pulse width modified tone circuit in this utility model embodiment;
Fig. 4 is the schematic diagram of the voltage of the boosting outfan output of booster circuit in Fig. 2;
The sectional view of a kind of display base plate that Fig. 5 provides for this utility model embodiment;
The sectional view of the another kind of display base plate that Fig. 6 provides for this utility model embodiment;
The sectional view of another display base plate that Fig. 7 provides for this utility model embodiment;
The top view of the display base plate that Fig. 8 provides for this utility model embodiment.
Accompanying drawing labelling:
10-first substrate, 20-second substrate,
30-black matrix, 40-photovoltaic layer,
50-function wave generation circuit, 60-booster circuit,
61-first input end, 62-function wave signal input part,
63-boosts outfan, 64-the first diode,
65-the second diode, 66-first couples electric capacity,
67-second couples electric capacity, and 68-the 3rd couples electric capacity,
69-common ground end, 70-common electrode layer,
71-voltage compensation point, 80-sequential control circuit plate,
81-pulse width modified tone circuit, 82-voltage management integrated circuit,
83-flexible circuitry film, 84-pin,
90-silicon ball.
Detailed description of the invention
In order to further illustrate display base plate and the display device that this utility model embodiment provides, it is described in detail below in conjunction with Figure of description.
Refer to Fig. 1 and Fig. 5, the display base plate that this utility model embodiment provides includes the first substrate 10 of the backlight module near display device and away from the second substrate 20 of backlight module, first substrate 10 and second substrate 20 are oppositely arranged, patterned black matrix 30 and common electrode layer 70 it is provided with between first substrate 10 and second substrate 20, described display base plate also includes the photovoltaic layer 40 being arranged between first substrate 10 and second substrate 20, photovoltaic layer 40 is positioned at the black matrix 30 side towards backlight module, photovoltaic layer 40 includes at least one photovoltaic cell, at least one photovoltaic cell in photovoltaic layer 40 is connected with the voltage compensation point 71 in common electrode layer 70.
When being embodied as, display base plate includes the first substrate 10 and the second substrate 20 that are oppositely arranged, distance between first substrate 10 and the backlight module of display device, less than the distance between second substrate 20 and backlight module, is provided with liquid crystal layer between first substrate 10 and second substrate 20;Being provided with patterned black matrix 30, common electrode layer 70 and pixel electrode layer between first substrate 10 and second substrate 20, common electrode layer 70 is relative with pixel electrode layer, and common electrode layer 70 includes at least one voltage compensation point 71; Photovoltaic layer 40 it is additionally provided with between first substrate 10 and second substrate 20, photovoltaic layer 40 is positioned at the black matrix 30 side towards backlight module, namely the distance between photovoltaic layer 40 and backlight module is less than the distance between black matrix 30 and backlight module, black matrix 30 will not block the backlight being projected to photovoltaic layer 40 by backlight module, photovoltaic layer 40 includes at least one photovoltaic cell, and at least one photovoltaic cell in photovoltaic layer 40 is connected with the voltage compensation point 71 in common electrode layer 70.
Above-mentioned display base plate is assembled after in a display device, during display device work, apply voltage to common electrode layer 70 and pixel electrode layer respectively, liquid crystal layer is formed electric field, make the liquid crystal molecule in liquid crystal layer deflect, with control backlight module provide backlight by measure, the backlight that the backlight module of display device provides is after liquid crystal layer, part backlight injects photovoltaic layer 40, photovoltaic cell in photovoltaic layer 40 issues raw photovoltaic effect in the irradiation of backlight, namely backlight is utilized to produce voltage, the voltage that photovoltaic cell in photovoltaic layer 40 produces voltage compensation point 71 in common electrode layer 70 inputs common electrode layer 70, to compensate the common electric voltage in region corresponding with this voltage compensation point 71 in common electrode layer 70, to improve the uniformity of the common electric voltage of regional in common electrode layer 70, prevent from dodging green (Greenish), dodge the generation of phenomenons such as red (Redish), thus improving the image display quality of display device.
Additionally, in the prior art, when common electric voltage in common electrode layer 70 is compensated, voltage compensation point 71 region that to be generally arranged in common electrode layer 70 corresponding with the edge of display base plate, that is, the common electric voltage in region corresponding with the edge of display base plate in common electrode layer 70 can be compensated, and the common electric voltage in region corresponding with the middle part of display base plate in common electrode layer 70 fails to be subjected to compensation for, and the display base plate that this utility model embodiment provides is to voltage compensation point 71 input voltage in common electrode layer 70 by the photovoltaic cell in photovoltaic layer 60, thus voltage compensation point 71 region that to be not limited to be arranged in common electrode layer 70 corresponding with the edge of display base plate, i.e. voltage compensation point 71 region that can also to be arranged in common electrode layer 70 corresponding with the middle part of display base plate, therefore, in the display base plate that this utility model embodiment provides, the common electric voltage in region corresponding with the middle part of display base plate in common electrode layer 70 can also be compensated, such that it is able to improve the uniformity of the common electric voltage of regional in common electrode layer 70 further, improve the image display quality of display device.
It is noted that photovoltaic layer 40 adopts when not only can realize shading but also the material of photovoltaic effect can occur under light illumination, then can reduce, at second substrate 20, patterned black matrix 30 is set towards the side of first substrate 10.
In above-described embodiment, the material of photovoltaic layer 40 can select to occur under light illumination the material of photovoltaic effect, for instance, the semi-conducting material such as non-crystalline silicon, monocrystal silicon, polysilicon. In the present embodiment, photovoltaic layer 40 can be GaAs photovoltaic layer, gallium aluminum arsenide photovoltaic layer, indium phosphide photovoltaic layer, cadmium sulfide photovoltaic layer or cadmium telluride photovoltaic layer.
Please continue to refer to Fig. 5, the photovoltaic layer 40 orthographic projection on second substrate 20 falls in the black matrix 30 orthographic projection on second substrate 20. For example, black matrix 30 is arranged on second substrate 20 on the side of first substrate 10, photovoltaic layer 40 is arranged in black matrix 30, and photovoltaic layer 40 is just right with black matrix 30, and the photovoltaic layer 40 orthographic projection on second substrate 20 falls into the black matrix 30 orthographic projection on second substrate 20. It is so designed that, photovoltaic layer 40 will not occupy the region that second substrate 20 is corresponding with the pixel region of display base plate, namely photovoltaic layer 40 will not stop the backlight in the pixel region of display base plate, thus is possible to prevent the transmitance to the backlight in pixel region to produce harmful effect.
In above-described embodiment, photovoltaic layer 40 can include a photovoltaic cell, it is also possible to includes multiple photovoltaic cells. In this utility model embodiment, photovoltaic layer 40 includes multiple photovoltaic cell, and the voltage that each photovoltaic cell produces is 0.1V～1V. Photovoltaic layer 40 includes multiple photovoltaic cell, common electric voltage according to common electrode layer 70 regional, regulate the series connection of multiple photovoltaic cell and relation in parallel, with the voltage that adjustment is inputted to common electrode layer 70 by the photovoltaic cell in photovoltaic layer 40, and then improve the compensation precision of the common electric voltage of the regional to common electrode layer 70.
When photovoltaic layer 40 includes multiple photovoltaic cell, the voltage that each photovoltaic cell produces can be 0.1V, 0.5V, 0.8V or 1V. In this utility model embodiment, it is 0.5V that each photovoltaic cell produces voltage. For example, the specified common electric voltage of common electrode layer 70 is 8V, and the actual common electric voltage of common electrode layer 70 is 5V, then only need to be connected by six photovoltaic cells, the voltage of 3V can be obtained, namely obtain the bucking voltage that the common electric voltage to common electrode layer 70 compensates.
In above-described embodiment, common electrode layer 70 can include a voltage compensation point 71, it is also possible to include multiple voltage compensation point 71. In order to improve the image display quality of display device further, as shown in Figure 8, including multiple voltage compensation point 71 in common electrode layer 70, multiple voltage compensation points 71 are evenly distributed in common electrode layer 70, and each voltage compensation point 71 is connected with at least one photovoltaic cell in photovoltaic layer 40 respectively. It is so designed that, by multiple voltage compensation points 71, the common electric voltage of regional in common electrode layer 70 can be compensated by display base plate that this utility model embodiment provides respectively, so that the uniformity of the common electric voltage of regional in common electrode layer 70, thus improve the image display quality of display device further.
Please continue to refer to Fig. 1 and Fig. 5, described display base plate also includes function wave generation circuit 50 and booster circuit 60, the first input end 61 of booster circuit 60 is connected with at least one photovoltaic cell in photovoltaic layer 40, the function wave signal input part 62 function wave generation circuit 50 of booster circuit 60 connects, and the boosting outfan 63 of booster circuit 60 is connected with the voltage compensation point 71 in common electrode layer 70.
When being embodied as, refer to Fig. 5 and Fig. 8, display base plate includes the first substrate 10 and the second substrate 20 that are oppositely arranged, distance between first substrate 10 and the backlight module of display device, less than the distance between second substrate 20 and backlight module, is provided with liquid crystal layer between first substrate 10 and second substrate 20; Patterned black matrix 30, common electrode layer 70 and pixel electrode layer it is provided with between first substrate 10 and second substrate 20, common electrode layer 70 is relative with pixel electrode layer, including multiple voltage compensation point 71 in common electrode layer 70, multiple voltage compensation points 71 are evenly distributed in common electrode layer 70;The photovoltaic layer 40 of described display base plate is arranged between first substrate 10 and second substrate 20, and photovoltaic layer 40 is positioned at the black matrix 30 side towards backlight module; Described display base plate includes function wave generation circuit 50 and booster circuit 60, and the number of booster circuit 60 is multiple, the first input end 61 of each booster circuit 60 is connected with at least one photovoltaic cell in photovoltaic layer 40 respectively, the function wave signal input part 62 of each booster circuit 60 function wave generation circuit 50 respectively connects, and the boosting outfan 63 of each booster circuit 60 connects with corresponding voltage compensation point 71 respectively.
Above-mentioned display base plate is assembled after in a display device, during the work of this display device, apply voltage to common electrode layer 70 and pixel electrode layer respectively, liquid crystal layer is formed electric field, make the liquid crystal molecule in liquid crystal layer deflect, with control backlight module provide backlight by measure, the backlight that backlight module provides is after liquid crystal layer, and part backlight injects photovoltaic layer 40, and the photovoltaic cell in photovoltaic layer 40 issues raw photovoltaic effect in the irradiation of backlight, namely utilizes backlight to produce voltage, the voltage that photovoltaic cell in photovoltaic layer 40 produces inputs booster circuit 60 by the first input end 61 of booster circuit 60, now, function wave is also inputted booster circuit 60 by the function wave signal input part 62 of booster circuit 60 by function wave generation circuit 50, after boosted circuit 60 effect of voltage produced on function wave and photovoltaic layer 40, produce a voltage high and more stable than the voltage that the photovoltaic cell in photovoltaic layer 40 produces, namely produce to raise and stable voltage, raise and the boosting outfan 63 of the stable boosted circuit 60 of voltage inputs corresponding voltage compensation point 71, compensate with the common electric voltage to region corresponding with this voltage compensation point 71 in common electrode layer 70.
The setting of booster circuit 60 and function wave signal circuit 50, improve the magnitude of voltage that the common electric voltage to common electrode layer 70 compensates, the magnitude of voltage that photovoltaic layer 40 inputs to common electrode layer 70 is made to need the magnitude of voltage compensated in common electrode layer 70, improve the uniformity of the common electric voltage of regional in common electrode layer 70, and then improve the image display quality of display device. Additionally, the setting of booster circuit 60 and function wave signal circuit 50, improve the stability of the voltage inputted by photovoltaic layer 40 to common electrode layer 70, to improve the stability of the common electric voltage of regional in common electrode layer 70, thus improving the image display quality of display device further.
In above-described embodiment, common electrode layer 70 can be arranged on the first substrate 10 side towards second substrate 20, the second substrate 20 side towards first substrate 10 can also be arranged on, position is set can being set according to the position that arranges of common electrical laminate layer 70 of booster circuit 60. Exemplary below list three kinds of set-up modes:
Mode one, refer to Fig. 5, black matrix 30 and common electrode layer 70 are successively set on the second substrate 20 side towards first substrate 10, and photovoltaic layer 40 is between black matrix 30 and common electrode layer 70, and booster circuit 60 is between photovoltaic layer 40 and common electrode layer 70. For example, first substrate 10 is provided with pixel electrode layer towards the side of second substrate 20; Second substrate 20 is disposed with patterned black matrix 30, photovoltaic layer 40, color rete and common electrode layer 70 on the side of first substrate 10, the photovoltaic layer 40 orthographic projection on second substrate 20 falls in the black matrix 30 orthographic projection on second substrate 20, and common electrode layer 70 is relative with pixel electrode layer;Booster circuit 60 is arranged between photovoltaic layer 40 and common electrode layer 70.
Mode two, refer to Fig. 6, black matrix 30 and photovoltaic layer 40 are successively set on the second substrate 20 side towards first substrate 10, common electrode layer 70 is arranged on the first substrate 10 side towards second substrate 20, booster circuit 60 is arranged on the common electrode layer 70 side towards second substrate 20, and the first input end 61 of booster circuit 60 is connected with at least one photovoltaic cell in photovoltaic layer 40 by silicon ball 90.
Mode three, refer to Fig. 7, black matrix 30 and photovoltaic layer 40 are successively set on the second substrate 20 side towards first substrate 10, common electrode layer 70 is arranged on the first substrate 10 side towards second substrate 20, booster circuit 60 is arranged on the photovoltaic layer 40 side towards first substrate 10, and the boosting outfan 63 of booster circuit 60 is connected with the voltage compensation point 71 of common electrode layer 70 by silicon ball 90.
In above-described embodiment, the booster circuit 60 orthographic projection on second substrate 20 falls in the black matrix 30 orthographic projection on second substrate 20, and namely booster circuit 60 is just right with black matrix 30. Being so designed that, booster circuit 60 will not occupy the pixel region of display base plate, and namely booster circuit 60 will not stop the backlight in the pixel region of display base plate, thus is possible to prevent the transmitance to the backlight in pixel region to produce harmful effect.
Refer to Fig. 2, booster circuit 60 includes first diode the 64, second diode 65, first and couples electric capacity the 66, second coupling electric capacity 67 and the 3rd coupling electric capacity 68, wherein, one end of the anode of the first diode 64 and the first coupling electric capacity 66 is connected with the first input end 61 of booster circuit 60 respectively, and the other end of the first coupling electric capacity 66 is connected 69 with common ground end; The anode of the second diode and one end of described second coupling electric capacity are connected with the negative electrode of described first diode respectively, and the other end of described second coupling electric capacity is connected with the function wave signal input part of described booster circuit; The negative electrode of described second diode and one end of described 3rd coupling electric capacity are connected with the boosting outfan of described booster circuit respectively, and the other end of described 3rd coupling electric capacity is connected with described common ground end.
For example, as shown in Figure 2, the first input end 61 of definition booster circuit 60, the one end being connected with first input end 61 on first coupling electric capacity 66 and the common port of the anode of the first diode 64 are node a, define the negative electrode of the first diode 64, one end and the common port of the anode of the second diode 65 that second coupling electric capacity 67 is connected with the first diode 64 are node b, define the negative electrode of the second diode 65, the common port of one end that the boosting outfan 63 of booster circuit 60 and the 3rd coupling electric capacity 68 are connected with the boosting outfan 63 of booster circuit 60 is node c, the voltage inputted by the first input end 61 of booster circuit 60 is 3V, the function wave signal input part 62 of booster circuit 60 function wave inputted is square wave, as it is shown on figure 3, the low level of square wave is 0V, high level is 5V, the voltage inputted by the first input end 61 of booster circuit 60 leads to node a, and the first coupling electric capacity 66 is charged, namely the voltage at node a place is 3V, the voltage inputted by the first input end 61 of booster circuit 60 passes through the first diode 64 after flowing through node a, and lead to node b, now, the square wave inputted by the function wave signal input part 62 of booster circuit 60 couples electric capacity 67 to second and charges, and lead to node b, the maximum voltage making node b reaches 8V, the voltage at node b place leads to node c after the second diode 65, couple electric capacity 68 to the 3rd to charge, and exported by the boosting outfan 63 of booster circuit 60, the waveform exported by the boosting outfan 63 of booster circuit 60 is as shown in Figure 4, the voltage exported by the boosting outfan 63 of booster circuit 60 is 8V.Wherein the setting of the first coupling electric capacity 66 and the 3rd coupling electric capacity 68, improves the stability of the voltage exported by the boosting outfan 63 of booster circuit 60.
In above-described embodiment, function wave generation circuit 50 can be any circuit producing function wave, in the present embodiment, refer to Fig. 3 and Fig. 8, function wave generation circuit 50 is pulse width modified tone circuit 81 (PulseWidthModulation, PMW circuit), pulse width modified tone circuit 81 inputs square wave to booster circuit 60, and the low level of square wave is 0V. When being embodied as, refer to Fig. 3 and Fig. 8, pulse width modified tone circuit 81 is integrated in the sequential control circuit 80 (Timing-Controllerboard of display device, T-conBoard) the voltage management integrated circuit 82 (PowerManagementIC on, PMIC) in, the circuit connecting the function wave signal input part 62 of pulse width modified tone circuit 81 and booster circuit 60 passes through the flexible circuitry film 83 (ChipONFilm, COF) of display device and the pin 84 of display base plate; Pulse width modified tone circuit 81 inputs square wave to booster circuit 60, and the low level of square wave is 0V, and the high level of square wave then offset according to the common electric voltage of common electrode layer 70 is set.
In this utility model embodiment, described display base plate also includes storage electric capacity, and one end of storage electric capacity is connected with at least one photovoltaic cell in photovoltaic layer 40, and the other end of storage electric capacity is connected with the voltage compensation point 71 in common electrode layer 70. for example, when described display base plate is not provided with booster circuit 60, then store one end of electric capacity to be connected with at least one photovoltaic cell in photovoltaic layer 40, the other end of storage electric capacity is connected with the voltage compensation point 71 in common electrode layer 70, storage electric capacity is first charged by the voltage produced on photovoltaic layer 40, after stored electric capacity, the common electric voltage of common electrode layer 70 is compensated, when described display base plate arranges booster circuit 60, one end of storage electric capacity is connected with at least one photovoltaic cell in photovoltaic layer 40, the other end of storage electric capacity is connected with the first input end 61 of booster circuit 60, the boosting outfan 63 of booster circuit 60 is connected with the voltage compensation point 71 in common electrode layer 70, namely the other end storing electric capacity is connected with the voltage compensation point 71 in common electrode layer 70 by booster circuit 60, storage electric capacity is first charged by the voltage produced on photovoltaic layer 40, booster circuit 60 is passed into after stored electric capacity, then the common electric voltage of common electrode layer 70 is compensated. the setting of storage electric capacity, improves the reliability and stability common electric voltage of common electrode layer 70 compensated by the voltage produced on photovoltaic layer 50.
This utility model embodiment also provides for a kind of display device, and described display device is provided with the display base plate as described in above-described embodiment.
Described display device is identical relative to prior art have the advantage that with above-mentioned display base plate, does not repeat them here.
It should be noted that the display device that the present embodiment provides can be any product with display function or the parts such as liquid crystal panel, Electronic Paper, mobile phone, panel computer, television set, display, notebook computer, DPF, navigator.
In the description of above-mentioned embodiment, specific features, structure, material or feature can combine in an appropriate manner in any one or more embodiments or example.
The above; it is only detailed description of the invention of the present utility model; but protection domain of the present utility model is not limited thereto; any those familiar with the art is in the technical scope that this utility model discloses; change can be readily occurred in or replace, all should be encompassed within protection domain of the present utility model.Therefore, protection domain of the present utility model should be as the criterion with described scope of the claims.
Claims (15)
1. a display base plate, described display base plate includes the first substrate of the backlight module near display device and away from the second substrate of described backlight module, described first substrate and described second substrate are oppositely arranged, patterned black matrix and common electrode layer it is provided with between described first substrate and described second substrate, it is characterized in that, described display base plate also includes the photovoltaic layer being arranged between described first substrate and described second substrate, described photovoltaic layer is positioned at the described black matrix side towards described backlight module, described photovoltaic layer includes at least one photovoltaic cell, at least one described photovoltaic cell in described photovoltaic layer is connected with the voltage compensation point in described common electrode layer.
2. display base plate according to claim 1, it is characterised in that described photovoltaic layer is GaAs photovoltaic layer, gallium aluminum arsenide photovoltaic layer, indium phosphide photovoltaic layer, cadmium sulfide photovoltaic layer or cadmium telluride photovoltaic layer.
3. display base plate according to claim 1, it is characterised in that the orthographic projection on described second substrate of the described photovoltaic layer falls in the orthographic projection on described second substrate of the described black matrix.
4. display base plate according to claim 1, it is characterised in that described photovoltaic layer includes multiple described photovoltaic cell, the voltage that each described photovoltaic cell produces is 0.1V～1V.
5. display base plate according to claim 4, it is characterised in that the voltage that each described photovoltaic cell produces is 0.5V.
6. display base plate according to claim 1, it is characterized in that, described common electrode layer includes multiple described voltage compensation point, multiple described voltage compensation points are evenly distributed in described common electrode layer, and each described voltage compensation point is connected with the described photovoltaic cell of at least one in described photovoltaic layer respectively.
7. according to the arbitrary described display base plate of claim 1-6, it is characterized in that, described display base plate also includes function wave generation circuit and booster circuit, the first input end of described booster circuit is connected with the described photovoltaic cell of at least one in described photovoltaic layer, the function wave signal input part of described booster circuit is connected with described function wave generation circuit, and the boosting outfan of described booster circuit is connected with the voltage compensation point in described common electrode layer.
8. display base plate according to claim 7, it is characterized in that, described black matrix and described common electrode layer are successively set on the described second substrate side towards described first substrate, described photovoltaic layer is between described black matrix and described common electrode layer, and described booster circuit is between described photovoltaic layer and described common electrode layer.
9. display base plate according to claim 7, it is characterized in that, described black matrix and described photovoltaic layer are successively set on the described second substrate side towards described first substrate, described common electrode layer is arranged on the described first substrate side towards described second substrate, described booster circuit is arranged on the described common electrode layer side towards described second substrate, and the first input end of described booster circuit is connected with the described photovoltaic cell of at least one in described photovoltaic layer by silicon ball;
Or,
Described black matrix and described photovoltaic layer are successively set on the described second substrate side towards described first substrate, described common electrode layer is arranged on the described first substrate side towards described second substrate, described booster circuit is arranged on the described photovoltaic layer side towards described first substrate, and the boosting outfan of described booster circuit is connected with the voltage compensation point of described common electrode layer by described silicon ball.
10. display base plate according to claim 7, it is characterised in that the orthographic projection on described second substrate of the described booster circuit falls in the orthographic projection on described second substrate of the described black matrix.
11. display base plate according to claim 7, it is characterised in that described booster circuit includes the first diode, the second diode, the first coupling electric capacity, the second coupling electric capacity and the 3rd coupling electric capacity, wherein,
The anode of described first diode and one end of described first coupling electric capacity are connected with the first input end of described booster circuit respectively, and the other end of described first coupling electric capacity is connected with common ground end; The anode of described second diode and one end of described second coupling electric capacity are connected with the negative electrode of described first diode respectively, and the other end of described second coupling electric capacity is connected with the function wave signal input part of described booster circuit; The negative electrode of described second diode and one end of described 3rd coupling electric capacity are connected with the boosting outfan of described booster circuit respectively, and the other end of described 3rd coupling electric capacity is connected with described common ground end.
12. display base plate according to claim 7, it is characterised in that described function wave generation circuit is pulse width modified tone circuit, and described pulse width modified tone circuit inputs square wave to described booster circuit, and the low level of described square wave is 0V.
13. display base plate according to claim 12, it is characterized in that, described pulse width modified tone circuit is integrated in the voltage management integrated circuit on the sequential control circuit plate of described display device, and the circuit connecting the function wave signal input part of described pulse width modified tone circuit and described booster circuit passes through the flexible circuitry film of described display device and the pin of described display base plate.
14. display base plate according to claim 1, it is characterized in that, described display base plate also includes storage electric capacity, one end of described storage electric capacity is connected with the described photovoltaic cell of at least one in described photovoltaic layer, and the other end of described storage electric capacity is connected with the voltage compensation point in described common electrode layer.
15. a display device, it is characterised in that described display device arranges described display base plate arbitrary just like claim 1-14.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110045536A (en) * | 2019-03-29 | 2019-07-23 | 武汉华星光电技术有限公司 | Color membrane substrates and display panel |
| CN113362780A (en) * | 2021-07-01 | 2021-09-07 | 业成科技（成都）有限公司 | Display panel, display control method thereof and display device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110045536A (en) * | 2019-03-29 | 2019-07-23 | 武汉华星光电技术有限公司 | Color membrane substrates and display panel |
| CN113362780A (en) * | 2021-07-01 | 2021-09-07 | 业成科技（成都）有限公司 | Display panel, display control method thereof and display device |
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