CN110794611B - Liquid crystal display panel and liquid crystal display device - Google Patents
Liquid crystal display panel and liquid crystal display device Download PDFInfo
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- CN110794611B CN110794611B CN201911006148.5A CN201911006148A CN110794611B CN 110794611 B CN110794611 B CN 110794611B CN 201911006148 A CN201911006148 A CN 201911006148A CN 110794611 B CN110794611 B CN 110794611B
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- 239000004973 liquid crystal related substance Substances 0.000 title claims abstract description 167
- 239000000758 substrate Substances 0.000 claims abstract description 47
- 238000006243 chemical reaction Methods 0.000 claims abstract description 34
- 239000000463 material Substances 0.000 claims abstract description 26
- 239000011159 matrix material Substances 0.000 claims description 21
- 229910052723 transition metal Inorganic materials 0.000 claims description 6
- 150000003624 transition metals Chemical class 0.000 claims description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 3
- 229910021389 graphene Inorganic materials 0.000 claims description 3
- 230000008859 change Effects 0.000 abstract description 7
- 230000000694 effects Effects 0.000 abstract description 7
- 230000004044 response Effects 0.000 abstract description 5
- 230000002349 favourable effect Effects 0.000 abstract description 2
- 230000001678 irradiating effect Effects 0.000 abstract description 2
- 230000009286 beneficial effect Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 238000010438 heat treatment Methods 0.000 description 5
- 230000005684 electric field Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/133509—Filters, e.g. light shielding masks
- G02F1/133512—Light shielding layers, e.g. black matrix
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/133382—Heating or cooling of liquid crystal cells other than for activation, e.g. circuits or arrangements for temperature control, stabilisation or uniform distribution over the cell
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- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Liquid Crystal (AREA)
Abstract
The application discloses a liquid crystal display panel and a liquid crystal display device, wherein the liquid crystal display panel comprises a first substrate and a second substrate which are oppositely arranged, and a liquid crystal layer positioned between the first substrate and the second substrate; a shading layer is arranged on one side of the first substrate, which is close to the liquid crystal layer; the light shielding layer comprises a photo-thermal material and is used for converting sunlight irradiating the light shielding layer and visible light in the backlight source into heat so as to increase the temperature of the liquid crystal layer. The existing shading effect of light shield layer in this application also has the light conversion effect, under low temperature or ultra-low temperature environment, can absorb the visible light in sunlight and the backlight and convert it into the heat, is favorable to improving the operating temperature of liquid crystal layer, makes liquid crystal molecule quick response voltage change, has guaranteed that liquid crystal display panel normally shows.
Description
Technical Field
The application relates to the technical field of display panels, in particular to a liquid crystal display panel and a liquid crystal display device.
Background
A Liquid Crystal Display (LCD) includes an array substrate, a color filter substrate assembled together, and a Liquid Crystal layer located between the array substrate and the color filter substrate. The liquid crystal layer includes liquid crystal molecules, and the liquid crystal display generates an image by applying an electric field to the liquid crystal layer. In response to an electric field applied to the liquid crystal layer, liquid crystal molecules in the liquid crystal layer rotate. Accordingly, the electric field changes the orientation of the liquid crystal molecules in the liquid crystal layer, and when the orientation of the liquid crystal molecules is changed, the light transmittance of the liquid crystal layer is adjusted.
Some properties of the lcd, such as response time, are closely related to the liquid crystal layer, but the liquid crystal molecules may change their properties at low temperature, which results in poor image display of the lcd. Most of the liquid crystal standards (minimum working temperatures) adopted by liquid crystal displays produced by various manufacturers at present are-20 ℃, so that the liquid crystal displays cannot normally display pictures in extreme environments, such as environments lower than-20 ℃, and the application range of the liquid crystal displays is seriously influenced.
Disclosure of Invention
The embodiment of the application provides a liquid crystal display panel and a liquid crystal display device, and aims to solve the problem that the liquid crystal display device cannot normally display pictures in a low-temperature or ultralow-temperature environment.
The embodiment of the application provides a liquid crystal display panel, which comprises a first substrate, a second substrate and a liquid crystal layer, wherein the first substrate and the second substrate are oppositely arranged, and the liquid crystal layer is positioned between the first substrate and the second substrate;
a shading layer is arranged on one side of the first substrate, which is close to the liquid crystal layer; the light shielding layer comprises a photo-thermal material and is used for converting sunlight irradiating the light shielding layer and visible light in the backlight source into heat so as to increase the temperature of the liquid crystal layer.
Optionally, the light-shielding layer includes a black matrix layer, and the photo-thermal material is doped in the black matrix layer.
Optionally, the light-shielding layer includes a black matrix layer and a light-to-heat conversion layer on at least one side of the black matrix layer, and the light-to-heat material is provided in the light-to-heat conversion layer.
Optionally, the light-to-heat conversion layer comprises a first light-to-heat conversion layer and a second light-to-heat conversion layer; the first light-to-heat conversion layer is located the black matrix layer is close to one side of the liquid crystal layer, and the second light-to-heat conversion layer is located the black matrix layer is far away from one side of the liquid crystal layer.
Optionally, the photo-thermal material comprises two-dimensional transition metal carbide, two-dimensional transition metal carbonitride or graphene.
Optionally, a plurality of sub-pixels distributed in an array are further disposed on one side of the first substrate close to the liquid crystal layer; the shading layer is located among the sub-pixels, and the sub-pixels partially cover the shading layer.
Optionally, the liquid crystal display panel further includes a TFT array layer, and the TFT array layer is located on one side of the second substrate close to the liquid crystal layer.
Optionally, the liquid crystal display panel further includes a TFT array layer, where the TFT array layer is located on one side of the first substrate close to the light shielding layer.
Optionally, a plurality of sub-pixels which are adjacently arranged are arranged on one side of the second substrate close to the liquid crystal layer; the light shielding layer comprises a plurality of openings; the plurality of openings and the plurality of sub-pixels are arranged in a one-to-one correspondence.
The embodiment of the application also provides a liquid crystal display device, which comprises a backlight module and the liquid crystal display panel; the backlight module is positioned on one side of the liquid crystal display panel and used for providing backlight source for the liquid crystal display panel.
The beneficial effect of this application does: in this application, including can converting the visible light in sunlight and the backlight into thermal light and heat material in liquid crystal display panel's the light shield layer, therefore, liquid crystal display panel's light shield layer can play the shading effect, also can convert light energy into heat energy, make under low temperature or ultra-low temperature environment, liquid crystal display panel's light shield layer can absorb the visible light in sunlight and the backlight and convert it into the heat, thereby to the liquid crystal layer heating, improve the operating temperature of liquid crystal layer, be favorable to liquid crystal molecule quick response voltage change, liquid crystal display panel has been guaranteed to normally show under low temperature or ultra-low temperature environment.
Drawings
The technical solution and other advantages of the present application will become apparent from the detailed description of the embodiments of the present application with reference to the accompanying drawings.
Fig. 1 is a schematic partial structural view of a liquid crystal display panel according to an embodiment of the present disclosure;
fig. 2 is a schematic structural diagram of a light-shielding layer according to an embodiment of the present disclosure;
fig. 3 is a schematic structural diagram of another light-shielding layer according to an embodiment of the present disclosure;
fig. 4 is a schematic partial structure diagram of another lcd panel according to an embodiment of the present disclosure;
fig. 5 is a schematic partial structure diagram of another lcd panel according to an embodiment of the present disclosure;
fig. 6 is a schematic structural diagram of a liquid crystal display device according to an embodiment of the present application.
Detailed Description
Specific structural and functional details disclosed herein are merely representative and are provided for purposes of describing example embodiments of the present application. This application may, however, be embodied in many alternate forms and should not be construed as limited to only the embodiments set forth herein.
In the description of the present application, it is to be understood that the terms "center," "lateral," "upper," "lower," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and therefore should not be construed as limiting the present application. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless otherwise specified. Furthermore, the term "comprises" and any variations thereof is intended to cover non-exclusive inclusions.
In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.
The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms "comprises" and/or "comprising," when used herein, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof.
The present application is further described below with reference to the accompanying drawings and examples.
As shown in fig. 1, the present embodiment provides a liquid crystal display panel 1, which includes a first substrate 2 and a second substrate 3 disposed opposite to each other, and a liquid crystal layer 4 located between the first substrate 2 and the second substrate 3; a shading layer 5 is arranged on one side of the first substrate 2 close to the liquid crystal layer 4; the light shielding layer 5 includes a photo-thermal material therein for converting sunlight irradiated to the light shielding layer 5 and visible light in a backlight into heat to raise the temperature of the liquid crystal layer 4.
Specifically, the photothermal material includes two-dimensional transition metal carbide, two-dimensional transition metal carbonitride, or graphene.
Specifically, a plurality of sub-pixels 6 distributed in an array are further disposed on one side of the first substrate 2 close to the liquid crystal layer 4, wherein the sub-pixels 6 include a red sub-pixel (R), a green sub-pixel (G), and a blue sub-pixel (B); the shading layer 5 is positioned among the plurality of sub-pixels 6, and the plurality of sub-pixels 6 partially cover the shading layer 5; the liquid crystal display panel 1 further includes a Thin Film Transistor (TFT) array layer 7, and the TFT array layer 7 is located on one side of the second substrate 3 close to the liquid crystal layer 4.
Specifically, the liquid crystal display panel 1 further includes a first common electrode 8 and a second common electrode 9, wherein the first common electrode 8 is disposed between the plurality of sub-pixels 6 and the liquid crystal layer 4, the second common electrode 9 is disposed between the TFT array layer 7 and the liquid crystal layer 4, and the liquid crystal display panel 1 applies a bias voltage to the liquid crystal layer 4 through the first common electrode 8 and the second common electrode 9 to deflect liquid crystal molecules of the liquid crystal layer 4, so that the liquid crystal display panel 1 displays normally.
Specifically, the liquid crystal display panel provided in the embodiment of the present application and the exemplary liquid crystal display panel (the light shielding layer does not contain a photo-thermal material, and other structures are the same as those of the liquid crystal display panel provided in the embodiment of the present application) are placed in an ultra-low temperature environment of-50 ℃, and only under the irradiation of sunlight, the temperature of the exemplary liquid crystal display panel increased from-50 c to-40 c maximum, the temperature of the liquid crystal display panel provided by the embodiment of the application can be increased to-18 ℃ from-50 ℃ to the maximum, since most of the liquid crystal standards (minimum operating temperature) adopted by the liquid crystal displays produced by various manufacturers at present are-20 ℃, therefore, the liquid crystal display panel that this application provided can guarantee that the operating temperature of liquid crystal is greater than minimum operating temperature in the ultra-low temperature environment to make liquid crystal display panel can normally show.
In this embodiment, the light shielding layer 5 of the liquid crystal display panel 1 includes a photo-thermal material that can convert the visible light in the sunlight and the backlight source into heat, therefore, the light shielding layer 5 of the liquid crystal display panel 1 can play a role in light shielding, and can also convert the light energy into heat energy, so that in a low-temperature or ultra-low-temperature environment, the light shielding layer 5 of the liquid crystal display panel 1 can absorb the visible light in the sunlight and the backlight source and convert the visible light into heat, thereby heating the liquid crystal layer 4, increasing the working temperature of the liquid crystal layer 4, being beneficial to the liquid crystal molecules to respond to the voltage change quickly, and ensuring that the liquid crystal display panel 1 displays normally in the low-temperature or ultra-low-temperature environment.
Alternatively, as shown in fig. 2, the light-shielding layer 5 includes a Black Matrix (BM) layer 10, and the photo-thermal material is doped in the BM layer 10.
In this embodiment, the black matrix layer 10 is disposed between the plurality of sub-pixels 6 for shielding light and increasing resolution, the material is generally a resin material, and the black matrix layer 10 is doped with a photo-thermal material, so that the light shielding layer 5 has both a light shielding effect and a photo-thermal conversion effect; and the photo-thermal material is directly doped in the black matrix layer 10 without increasing the number of light shield channels, so that the production cost is saved.
As shown in fig. 1 and 3, the present embodiment also provides a liquid crystal display panel 1, which is different from the above embodiments in that a light-shielding layer 5 includes a black matrix layer 10 and a light-to-heat conversion layer 11 on at least one side of the black matrix layer 10, and a light-to-heat material is provided in the light-to-heat conversion layer 11; for example, the photothermal conversion layer 11 includes a first photothermal conversion layer 12 and a second photothermal conversion layer 13; the first photothermal conversion layer 12 is located on the side of the black matrix layer 10 close to the liquid crystal layer 4, and the second photothermal conversion layer 13 is located on the side of the black matrix layer 10 away from the liquid crystal layer 4.
In this embodiment, the light-shielding layer 5 is formed by disposing the first photothermal conversion layer 12 and the second light-side conversion layer on both sides of the black matrix layer 10, respectively, so that the light-shielding layer 5 has both the light-shielding effect and the photothermal conversion effect, and the materials of the first light-to-heat conversion layer 12 and the second light-to-heat conversion layer 13 may be only light-to-heat materials, the density of the photothermal material in the first photothermal conversion layer 12 and the second photothermal conversion layer 13 is made greater than in the case of the photothermal material doped in the black matrix layer 10, so that the conversion rate of light energy into heat energy by the first and second light-to-heat conversion layers 12 and 13 is higher, therefore, the first light-to-heat conversion layer 12 and the second light-to-heat conversion layer 13 can convert more light energy into heat in a low-temperature or ultra-low-temperature environment, so as to raise the temperature of the liquid crystal layer 4 and ensure that the response speed of the liquid crystal molecules of the liquid crystal layer 4 to the voltage is faster.
As shown in fig. 4, the present embodiment further provides a liquid crystal display panel 1, which is different from the above embodiments in that the TFT array layer 7 of the liquid crystal display panel 1 is located on a side of the first substrate 2 close to the light shielding layer 5.
Specifically, the liquid crystal display panel 1 is a BOA (BM On Array, the black matrix is disposed On the Array side) type liquid crystal display panel, that is, a TFT Array layer 7, a light shielding layer 5, and a plurality of sub-pixels 6 distributed in an Array are sequentially disposed On one side of the first substrate 2 close to the liquid crystal layer 4, wherein the light shielding layer 5 is disposed between the plurality of sub-pixels 6.
Specifically, a first common electrode 8 is further disposed between the plurality of sub-pixels 6 and the liquid crystal layer 4, a second common electrode 9 is disposed between the second substrate 3 and the liquid crystal layer 4, and the liquid crystal display panel 1 applies a bias voltage to the liquid crystal layer 4 through the first common electrode 8 and the second common electrode 9, so that liquid crystal molecules are deflected, and the liquid crystal display panel 1 displays normally.
In this embodiment, the light shielding layer 5 of the liquid crystal display panel 1 includes a photo-thermal material that can convert the visible light in the sunlight and the backlight source into heat, therefore, the light shielding layer 5 of the liquid crystal display panel 1 can play a role in light shielding, and can also convert the light energy into heat energy, so that in a low-temperature or ultra-low-temperature environment, the light shielding layer 5 of the liquid crystal display panel 1 can absorb the visible light in the sunlight and the backlight source and convert the visible light into heat, thereby heating the liquid crystal layer 4, increasing the working temperature of the liquid crystal layer 4, being beneficial to the liquid crystal molecules to respond to the voltage change quickly, and ensuring that the liquid crystal display panel 1 displays normally in the low-temperature or ultra-low-temperature environment.
As shown in fig. 5, the present embodiment further provides a liquid crystal display panel 1, which is different from the above embodiments in that a side of the second substrate 3 close to the liquid crystal layer 4 is provided with a plurality of sub-pixels 6 adjacently disposed; the light-shielding layer 5 includes a plurality of openings 14; the plurality of openings 14 are provided in one-to-one correspondence with the plurality of sub-pixels 6.
Specifically, the liquid crystal display panel 1 is a COA (Color filter On Array, where Color filters are disposed On an Array side) type liquid crystal display panel, that is, a light shielding layer 5 is disposed On one side of the first substrate 2 close to the liquid crystal layer 4, and a TFT Array substrate and a plurality of sub-pixels 6 which are adjacently disposed are sequentially disposed On one side of the second substrate 3 close to the liquid crystal layer 4.
Specifically, the projection of each sub-pixel 6 in the direction perpendicular to the first substrate 2 completely covers the projection of the corresponding opening 14 in the direction perpendicular to the first substrate 2.
Specifically, a first common electrode 8 is further disposed between the light shielding layer 5 and the liquid crystal layer 4, a second common electrode 9 is disposed between the sub-pixel 6 and the liquid crystal layer 4, and the liquid crystal display panel 1 applies a bias voltage to the liquid crystal layer 4 through the first common electrode 8 and the second common electrode 9, so that liquid crystal molecules are deflected, and the liquid crystal display panel 1 displays normally.
In this embodiment, the light shielding layer 5 of the liquid crystal display panel 1 includes a photo-thermal material that can convert the visible light in the sunlight and the backlight source into heat, therefore, the light shielding layer 5 of the liquid crystal display panel 1 can play a role in light shielding, and can also convert the light energy into heat energy, so that in a low-temperature or ultra-low-temperature environment, the light shielding layer 5 of the liquid crystal display panel 1 can absorb the visible light in the sunlight and the backlight source and convert the visible light into heat, thereby heating the liquid crystal layer 4, increasing the working temperature of the liquid crystal layer 4, being beneficial to the liquid crystal molecules to respond to the voltage change quickly, and ensuring that the liquid crystal display panel 1 displays normally in the low-temperature or ultra-low-temperature environment.
As shown in fig. 6, the embodiment of the present application further provides a liquid crystal display device 15, which includes a backlight module 16 and the liquid crystal display panel 1; the backlight module 16 is located at one side of the liquid crystal display panel 1 and is used for providing a backlight source for the liquid crystal display panel 1.
In this embodiment, the light shielding layer 5 of the liquid crystal display panel 1 includes a photo-thermal material that can convert the visible light in the sunlight and the backlight source into heat, therefore, the light shielding layer 5 of the liquid crystal display panel 1 can play a role in light shielding, and can also convert the light energy into heat energy, so that in a low-temperature or ultra-low-temperature environment, the light shielding layer 5 of the liquid crystal display panel 1 can absorb the visible light in the sunlight and the backlight source and convert the visible light into heat, thereby heating the liquid crystal layer 4, increasing the working temperature of the liquid crystal layer 4, being beneficial to the liquid crystal molecules to respond to the voltage change quickly, and ensuring that the liquid crystal display device 15 displays normally in the low-temperature or ultra-low-temperature environment.
In summary, although the present application has been described with reference to the preferred embodiments, the above-described preferred embodiments are not intended to limit the present application, and those skilled in the art can make various changes and modifications without departing from the spirit and scope of the present application, so that the scope of the present application shall be determined by the appended claims.
Claims (7)
1. The liquid crystal display panel is characterized by comprising a first substrate, a second substrate and a liquid crystal layer, wherein the first substrate and the second substrate are oppositely arranged, and the liquid crystal layer is positioned between the first substrate and the second substrate;
a shading layer is arranged on one side of the first substrate, which is close to the liquid crystal layer; the light shielding layer comprises a photo-thermal material and is used for converting sunlight emitted to the light shielding layer and visible light in the backlight source into heat so as to increase the temperature of the liquid crystal layer,
wherein the light-shielding layer includes a black matrix layer and a light-to-heat conversion layer on at least one side of the black matrix layer, the light-to-heat material being disposed in the light-to-heat conversion layer; the light-to-heat conversion layer includes a first light-to-heat conversion layer and a second light-to-heat conversion layer; the first light-to-heat conversion layer is located the black matrix layer is close to one side of the liquid crystal layer, and the second light-to-heat conversion layer is located the black matrix layer is far away from one side of the liquid crystal layer.
2. The liquid crystal display panel of claim 1, wherein the photo-thermal material comprises two-dimensional transition metal carbide, two-dimensional transition metal carbonitride, or graphene.
3. The liquid crystal display panel of claim 1, wherein a plurality of sub-pixels are disposed in an array on a side of the first substrate adjacent to the liquid crystal layer; the shading layer is located among the sub-pixels, and the sub-pixels partially cover the shading layer.
4. The liquid crystal display panel of claim 3, further comprising a TFT array layer on a side of the second substrate adjacent to the liquid crystal layer.
5. The liquid crystal display panel according to claim 3, further comprising a TFT array layer on a side of the first substrate adjacent to the light-shielding layer.
6. The liquid crystal display panel according to claim 1, wherein a side of the second substrate adjacent to the liquid crystal layer is provided with a plurality of sub-pixels adjacently arranged; the light shielding layer comprises a plurality of openings; the plurality of openings and the plurality of sub-pixels are arranged in a one-to-one correspondence.
7. A liquid crystal display device comprising a backlight module and the liquid crystal display panel according to any one of claims 1 to 6; the backlight module is positioned on one side of the liquid crystal display panel and used for providing backlight source for the liquid crystal display panel.
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JP2009139696A (en) * | 2007-12-07 | 2009-06-25 | Seiko Epson Corp | Liquid crystal display device and electronic equipment |
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Patent Citations (5)
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JPS5752762A (en) * | 1980-09-16 | 1982-03-29 | Akira Nadaguchi | Solar energy collecting device |
US6228555B1 (en) * | 1999-12-28 | 2001-05-08 | 3M Innovative Properties Company | Thermal mass transfer donor element |
CN106501985A (en) * | 2017-01-13 | 2017-03-15 | 京东方科技集团股份有限公司 | A kind of display base plate and its driving method, display device |
CN109496278A (en) * | 2017-05-08 | 2019-03-19 | 京东方科技集团股份有限公司 | Display base plate, liquid crystal display panel, liquid crystal display device and its operating method |
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