CN114967197A - Liquid crystal display device having a plurality of pixel electrodes - Google Patents
Liquid crystal display device having a plurality of pixel electrodes Download PDFInfo
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- CN114967197A CN114967197A CN202110193144.3A CN202110193144A CN114967197A CN 114967197 A CN114967197 A CN 114967197A CN 202110193144 A CN202110193144 A CN 202110193144A CN 114967197 A CN114967197 A CN 114967197A
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- 239000004973 liquid crystal related substance Substances 0.000 claims description 128
- 239000000758 substrate Substances 0.000 claims description 93
- 238000002161 passivation Methods 0.000 claims description 26
- 239000000463 material Substances 0.000 claims description 16
- 239000000565 sealant Substances 0.000 claims description 12
- 239000010409 thin film Substances 0.000 claims description 11
- 239000011159 matrix material Substances 0.000 claims description 7
- 239000004020 conductor Substances 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims description 4
- 229910052751 metal Inorganic materials 0.000 claims description 4
- 229910052581 Si3N4 Inorganic materials 0.000 claims description 3
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 claims description 3
- 239000004988 Nematic liquid crystal Substances 0.000 claims description 2
- 239000010408 film Substances 0.000 description 9
- 210000002858 crystal cell Anatomy 0.000 description 7
- 239000011368 organic material Substances 0.000 description 7
- 238000000034 method Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 238000012986 modification Methods 0.000 description 5
- 230000004048 modification Effects 0.000 description 5
- 238000007789 sealing Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 239000010931 gold Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 229910052814 silicon oxide Inorganic materials 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 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
-
- 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
- G02F1/1341—Filling or closing of cells
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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)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
The embodiment of the invention discloses a liquid crystal display device, which is formed by oppositely arranging an array substrate and an opposite substrate, wherein the array substrate and the opposite substrate are sealed together by adopting a sealant when the substrates are oppositely arranged, and the temperature in the sealing process is higher (generally higher than 120 ℃), the flat layer is made of an organic material, the organic material can release gas at high temperature, and the gas can enter the liquid crystal box to cause the arrangement of liquid crystal molecules in the liquid crystal box to be disordered, so that the display performance of the liquid crystal display device is influenced. Therefore, in order to solve the problem, the passivation layer is arranged between the pixel electrode layer and the flat layer, and the passivation layer can prevent gas generated by the flat layer at high temperature from entering the liquid crystal box, so that the problem of bad bubbles generated in the liquid crystal box can be solved, and the problem of influencing the display performance of the liquid crystal display device is avoided.
Description
Technical Field
The invention relates to the technical field of display, in particular to a liquid crystal display device.
Background
With the development and progress of technology, liquid crystal displays have been increasingly used in work and life. Among them, the liquid crystal display includes various display modes such as a Twisted Nematic (TN) mode, an in-plane switching mode (IPS), and a Vertical Alignment (VA).
Disclosure of Invention
The embodiment of the invention provides a liquid crystal display device, which is used for solving the problem that when a liquid crystal display screen is aligned with a box, an organic film layer in the box generates gas due to a high-temperature process, the gas enters the liquid crystal box, and the gas causes disordered arrangement of liquid crystal molecules, so that the display performance of the liquid crystal display device is influenced.
The embodiment of the invention provides a liquid crystal display device, which comprises an array substrate, an opposite substrate and a liquid crystal layer, wherein the array substrate and the opposite substrate are oppositely arranged, and the liquid crystal layer is arranged between the array substrate and the opposite substrate; wherein,
the array substrate includes: the liquid crystal display device comprises a first substrate, a thin film transistor layer, a flat layer, a passivation layer and a pixel electrode layer, wherein the thin film transistor layer is positioned between the first substrate and the liquid crystal layer;
the counter substrate includes: the liquid crystal display panel comprises a second substrate, a color resistance layer and a common electrode layer, wherein the color resistance layer is positioned between the second substrate and the liquid crystal layer, and the common electrode layer is positioned between the color resistance layer and the liquid crystal layer.
Optionally, in the above liquid crystal display device provided in the embodiment of the present invention, the color resist layer and the common electrode layer are in direct contact.
Optionally, in the above liquid crystal display device provided in the embodiment of the present invention, an orthographic projection of the common electrode layer on the first substrate completely covers an orthographic projection of the passivation layer on the first substrate.
Optionally, in the liquid crystal display device provided in the embodiment of the present invention, the pixel electrode layer is a reflective electrode layer, and the liquid crystal display device further includes a polarizer disposed on a side of the opposite substrate opposite to the array substrate.
Optionally, in the liquid crystal display device provided in the embodiment of the present invention, a material of the pixel electrode layer includes a first transparent conductive layer, a reflective metal layer, and a second transparent conductive layer, which are stacked.
Optionally, in the above liquid crystal display device provided in the embodiment of the present invention, the pixel electrode layer and the common electrode layer are both made of a transparent conductive material, and the liquid crystal display device further includes: the backlight module comprises a first polaroid, a second polaroid and a backlight source, wherein the first polaroid is positioned on one side of the array substrate, which is opposite to the opposite substrate, the second polaroid is positioned on one side of the opposite substrate, which is opposite to the array substrate, and the backlight source is positioned on one side of the first polaroid, which is opposite to the array substrate.
Optionally, in the liquid crystal display device provided in the embodiment of the present invention, a material of the passivation layer includes silicon nitride, and a thickness of the passivation layer is 1000 angstroms to 1500 angstroms.
Optionally, in the liquid crystal display device provided in an embodiment of the present invention, a sealant is further included, the sealant is located between the array substrate and the opposite substrate and is disposed around the periphery of the liquid crystal layer, the sealant includes a matrix material and a conductive structure mixed in the matrix material, the pixel electrode layer includes a common electrode lead, and the common electrode layer is electrically connected to the common electrode lead through the conductive structure.
Optionally, in the liquid crystal display device provided in the embodiment of the present invention, the passivation layer and the planarization layer have corresponding via holes, and the common electrode lead is electrically connected to the thin film transistor layer through the via hole.
Optionally, in the above liquid crystal display device provided by the embodiment of the present invention, the liquid crystal display device is a twisted nematic liquid crystal display device or a vertical alignment liquid crystal display device.
The embodiment of the invention has the following beneficial effects:
according to the liquid crystal display device provided by the embodiment of the invention, the liquid crystal display device is formed by aligning the array substrate and the opposite substrate, and the array substrate and the opposite substrate are sealed together by adopting the sealant when the substrates are aligned, because the temperature in the sealing process is higher (generally higher than 120 ℃), the material of the flat layer is an organic material, the organic material can release gas at high temperature, and the gas can enter the liquid crystal box to cause disorder of the arrangement of liquid crystal molecules in the liquid crystal box, so that the display performance of the liquid crystal display device is influenced. Therefore, in order to solve the problem, the passivation layer is arranged between the pixel electrode layer and the flat layer, and the passivation layer can prevent gas generated by the flat layer at high temperature from entering the liquid crystal box, so that the problem of bad bubbles generated in the liquid crystal box can be solved, and the problem of influencing the display performance of the liquid crystal display device is avoided.
Drawings
Fig. 1 is a schematic structural diagram of a liquid crystal display device according to an embodiment of the present invention;
FIG. 2 is a schematic top view of a portion of the film layer of FIG. 1;
FIG. 3 is a schematic diagram of a detailed structure of another LCD device according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of another liquid crystal display device according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the drawings of the embodiments of the present invention. It is to be understood that the embodiments described are only a few embodiments of the present invention, and not all embodiments. And the embodiments and features of the embodiments may be combined with each other without conflict. All other embodiments, which can be derived by a person skilled in the art from the described embodiments of the invention without any inventive step, are within the scope of protection of the invention.
Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this invention belongs. The use of the word "comprise" or "comprises", and the like, in the context of this application, is intended to mean that the elements or items listed before that word, in addition to those listed after that word, do not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "inner", "outer", "upper", "lower", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly.
It should be noted that the sizes and shapes of the figures in the drawings are not to be considered true scale, but are merely intended to schematically illustrate the present invention. And the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout.
As shown in fig. 1, the liquid crystal display device according to an embodiment of the present invention includes an array substrate 1 and an opposite substrate 2 that are disposed opposite to each other, and a liquid crystal layer (not shown) disposed between the array substrate 1 and the opposite substrate 2; wherein,
the array substrate 1 includes: a first substrate 11, a thin-film transistor layer 12 between the first substrate 11 and the liquid crystal layer, a planarization layer 13 between the thin-film transistor layer 12 and the liquid crystal layer, a passivation layer 14 between the planarization layer 13 and the liquid crystal layer, and a pixel electrode layer 15 between the passivation layer 14 and the liquid crystal layer;
the counter substrate 2 includes: a second substrate 21, a color resist layer 22 between the second substrate 21 and the liquid crystal layer, and a common electrode layer 23 between the color resist layer 22 and the liquid crystal layer.
According to the liquid crystal display device provided by the embodiment of the invention, the liquid crystal display device is formed by the array substrate and the opposite substrate in a box-to-box mode, the array substrate and the opposite substrate are sealed together by adopting the sealant in the box-to-box mode, because the temperature in the sealing process is high (generally higher than 120 ℃), the material of the flat layer is an organic material, the organic material can release gas at high temperature, and the gas can enter the liquid crystal box to cause the arrangement of liquid crystal molecules in the liquid crystal box to be disordered, so that the display performance of the liquid crystal display device is influenced. Therefore, in order to solve the problem, as shown in fig. 1, the passivation layer 14 is disposed between the pixel electrode layer 15 and the planarization layer 13, and the passivation layer 14 can prevent gas generated by the planarization layer 13 at a high temperature from entering the liquid crystal cell, so that a problem of generating bubbles in the liquid crystal cell can be solved, and a problem of affecting the display performance of the liquid crystal display device can be avoided.
In specific implementation, in the liquid crystal display device provided in the embodiment of the present invention, as shown in fig. 1, the color resist layer 22 may include a red color resist R, a green color resist G, and a blue color resist B, an OC layer is generally disposed between the color resist layer 22 and the common electrode layer 23 to perform a flat protection function in the prior art, since the OC layer is made of an organic material, the OC layer can release gas at high temperature during the sealing process of the array substrate 1 and the counter substrate 2, the gas can enter into the liquid crystal cell to cause the disorder of the arrangement of the liquid crystal molecules in the liquid crystal cell, thereby further affecting the display performance of the liquid crystal display device, in order to solve the problem that the disorder of the arrangement of the liquid crystal molecules in the liquid crystal cell is caused by the high-temperature release of the OC layer, the present invention omits the disposition of the OC layer between the color resist layer 22 and the common electrode layer 23, that is after the color resist layer 22 is manufactured, the common electrode layer 23 is directly manufactured, that is, the color resist layer 22 and the common electrode layer 23 are directly contacted, so that the gas source on the side of the opposite substrate 2 can be removed, and the problem of poor bubbles generated in the liquid crystal box can be further improved.
In specific implementation, as shown in fig. 1, the liquid crystal display device provided in the embodiment of the present invention further includes a sealant 3 located between the array substrate 1 and the opposite substrate 2 and surrounding the liquid crystal layer, where the sealant 3 includes a matrix material 31 and a conductive structure 32 mixed in the matrix material 31, the pixel electrode layer 15 includes a common electrode lead 10, and the common electrode layer 23 is electrically connected to the common electrode lead 10 through the conductive structure 32. Specifically, the material of the conductive structure 32 may be a metal material such as Au (gold), the shape of the conductive structure 32 may be a sphere, and the mass ratio of the conductive structure 32 to the matrix material 31 is set so that the common electrode layer 23 can be electrically connected to the common electrode lead 10 through the conductive structure 32.
In specific implementation, in the liquid crystal display device provided by the embodiment of the invention, as shown in fig. 1, the passivation layer 14 and the planarization layer 13 have corresponding via holes (not shown), and the common electrode lead 10 is electrically connected to the thin-film transistor layer 12 through the via holes. Specifically, the thin film transistor layer 12 includes a gate electrode, an active layer, a source electrode, a drain electrode, and an insulating layer disposed between the film layers, and the common electrode lead 10 is electrically connected to the drain electrode through a via hole, so that an external circuit transmits a common electrode signal to the common electrode layer 23 through the thin film transistor layer 12.
In specific implementation, in the liquid crystal display device provided in the embodiment of the present invention, as shown in fig. 1 and fig. 2, fig. 2 is a schematic top view of a part of the film layers in fig. 1, and an orthographic projection of the common electrode layer 23 on the first substrate 11 completely covers an orthographic projection of the passivation layer 14 on the first substrate 11. Because the common electrode layer 23 is electrically connected with the common electrode lead 10 through the conductive structure 32, and the conductive structure 32 is arranged in the sealant 3, for a large-size liquid crystal display screen, a larger conduction area is required between the common electrode layer 23 and the conductive structure 32, the orthographic projection of the common electrode layer 23 on the first substrate 11 completely covers the orthographic projection of the passivation layer 14 on the first substrate 11, so that the contact points of the common electrode layer 23 in the peripheral sealant 3 can be ensured, and the contact area between the common electrode layer 23 and the conductive structure 32 is ensured to the maximum extent. Therefore, the liquid crystal display device provided by the embodiment of the invention is suitable for a large-size liquid crystal display device.
In addition, the orthographic projection of the common electrode layer 23 on the first substrate 11 completely covers the orthographic projection of the passivation layer 14 on the first substrate 11, that is, the common electrode layer 23 can be coated with a film in a whole layer, and a Mask for manufacturing the common electrode layer 23 is not required to be additionally added, so that the process cost is reduced.
In the embodiment of the present invention, as shown in fig. 3, the pixel electrode layer 15 may be a reflective electrode layer, and the liquid crystal display device further includes a polarizer 4 disposed on a side of the counter substrate 2 opposite to the array substrate 1. In this way, the reflective TN mode lcd device does not need to be provided with a backlight source, ambient light enters the liquid crystal cell through the color resist layer 22, and the light-transmitting liquid crystal layer is reflected by the pixel electrode layer 15 and then exits, thereby realizing the display function.
In practical implementation, in the liquid crystal display device provided by the embodiment of the present invention, as shown in fig. 3, the material of the pixel electrode layer 15 may include a first transparent conductive layer, a reflective metal layer, and a second transparent conductive layer, which are stacked. Specifically, the material of the first transparent conductive layer and the second transparent conductive layer may be a transparent conductive material such as ITO, IZO, AZO, or the like, and the material of the reflective metal layer may be a reflective metal material such as Ag (silver).
In practical implementation, in the above-mentioned liquid crystal display device provided in the embodiment of the present invention, when manufacturing a transmissive liquid crystal display device, as shown in fig. 4, the materials of the pixel electrode layer 15 and the common electrode layer 23 are both transparent conductive materials, such as ITO, IZO, AZO, and the like; the liquid crystal display device further includes: the liquid crystal display panel comprises a first polarizer 5 positioned on one side of the array substrate 1 opposite to the opposite substrate 2, a second polarizer 6 positioned on one side of the opposite substrate 2 opposite to the array substrate 1, and a backlight 7 positioned on one side of the first polarizer 5 opposite to the array substrate 1. Specifically, transmission axes of the first polarizer 5 and the second polarizer 6 are perpendicular, and light emitted by the backlight 7 sequentially passes through the second polarizer 6, the array substrate 1, the liquid crystal layer, the opposite substrate 2 and the first polarizer 5, so that a display function is realized. The structure of the backlight 7 is the same as that of the prior art, and is not described herein.
In specific implementation, in the liquid crystal display device provided in the embodiment of the present invention, as shown in fig. 1, fig. 3 and fig. 4, the material of the passivation layer 14 may include silicon nitride, and may also include an insulating material such as silicon oxide; the thickness of passivation layer 14 may be 1000 angstroms to 1500 angstroms, such as 1200 angstroms or 1500 angstroms; this ensures that the passivation layer 14 blocks the gas released by the planarization layer 13 due to high temperature from entering the liquid crystal cell, and the material and thickness of the passivation layer 14 can be selected according to actual requirements.
In a specific implementation, in the liquid crystal display device provided in the embodiment of the invention, the material of the planarization layer may be an acrylic material.
In specific implementation, as shown in fig. 1, 3 and 4, the liquid crystal display device provided in the embodiment of the present invention further includes: a first alignment film (not shown) on the side of the liquid crystal layer facing the array substrate 1, and a second alignment film (not shown) on the side of the liquid crystal layer facing the counter substrate 2; liquid crystal molecules of the liquid crystal layer are aligned by the first alignment film and the second alignment film.
In a specific implementation, in the liquid crystal display device provided by the embodiment of the invention, the liquid crystal display device may be a Twisted Nematic (TN) liquid crystal display device or a Vertical Alignment (VA) liquid crystal display device. The operation principle of the Twisted Nematic (TN) liquid crystal display device and the Vertical Alignment (VA) liquid crystal display device is the same as that of the related art, and will not be described in detail.
The display device may be: any product or component with a display function, such as a mobile phone, a tablet computer, a television, a display, a notebook computer, a digital photo frame, a navigator and the like. Other essential components of the display device are understood by those skilled in the art, and are not described herein or should not be construed as limiting the invention.
According to the liquid crystal display device provided by the embodiment of the invention, the liquid crystal display device is formed by aligning the array substrate and the opposite substrate, and the array substrate and the opposite substrate are sealed together by adopting the sealant when the substrates are aligned, because the temperature in the sealing process is higher (generally higher than 120 ℃), the material of the flat layer is an organic material, the organic material can release gas at high temperature, and the gas can enter the liquid crystal box to cause disorder of the arrangement of liquid crystal molecules in the liquid crystal box, so that the display performance of the liquid crystal display device is influenced. Therefore, in order to solve the problem, the passivation layer is arranged between the pixel electrode layer and the flat layer, and the passivation layer can prevent gas generated by the flat layer at high temperature from entering the liquid crystal box, so that the problem of bad bubbles generated in the liquid crystal box can be solved, and the problem of influencing the display performance of the liquid crystal display device is avoided.
While preferred embodiments of the present invention have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including preferred embodiments and all such alterations and modifications as fall within the scope of the invention.
It will be apparent to those skilled in the art that various modifications and variations can be made in the embodiments of the present invention without departing from the spirit or scope of the embodiments of the invention. Thus, if such modifications and variations of the embodiments of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to encompass these modifications and variations.
Claims (10)
1. The liquid crystal display device is characterized by comprising an array substrate, an opposite substrate and a liquid crystal layer, wherein the array substrate and the opposite substrate are oppositely arranged, and the liquid crystal layer is arranged between the array substrate and the opposite substrate; wherein,
the array substrate includes: the liquid crystal display device comprises a first substrate, a thin film transistor layer, a flat layer, a passivation layer and a pixel electrode layer, wherein the thin film transistor layer is positioned between the first substrate and the liquid crystal layer;
the counter substrate includes: the liquid crystal display panel comprises a second substrate, a color resistance layer and a common electrode layer, wherein the color resistance layer is positioned between the second substrate and the liquid crystal layer, and the common electrode layer is positioned between the color resistance layer and the liquid crystal layer.
2. The liquid crystal display device according to claim 1, wherein the color resist layer and the common electrode layer are in direct contact.
3. The liquid crystal display device according to claim 1 or 2, wherein an orthographic projection of the common electrode layer on the first substrate completely covers an orthographic projection of the passivation layer on the first substrate.
4. The liquid crystal display device according to claim 3, wherein the pixel electrode layer is a reflective electrode layer, and the liquid crystal display device further comprises a polarizer disposed on a side of the counter substrate opposite to the array substrate.
5. The liquid crystal display device according to claim 4, wherein a material of the pixel electrode layer includes a first transparent conductive layer, a reflective metal layer, and a second transparent conductive layer which are stacked.
6. The liquid crystal display device according to claim 1, wherein the pixel electrode layer and the common electrode layer are each made of a transparent conductive material, and the liquid crystal display device further comprises: the backlight module comprises an array substrate, a first polarizer positioned on one side of the array substrate opposite to the opposite substrate, a second polarizer positioned on one side of the opposite substrate opposite to the array substrate, and a backlight positioned on one side of the first polarizer opposite to the array substrate.
7. The liquid crystal display device of claim 1, wherein the material of the passivation layer comprises silicon nitride, and the passivation layer has a thickness of 1000 angstroms to 1500 angstroms.
8. The liquid crystal display device of claim 1, further comprising a sealant disposed between the array substrate and the opposite substrate and surrounding the periphery of the liquid crystal layer, wherein the sealant comprises a matrix material and a conductive structure mixed in the matrix material, the pixel electrode layer comprises a common electrode lead, and the common electrode layer is electrically connected to the common electrode lead through the conductive structure.
9. The liquid crystal display device of claim 8, wherein the passivation layer and the planarization layer have corresponding vias through which the common electrode lead is electrically connected to the thin-film transistor layer.
10. The liquid crystal display device according to claim 1, wherein the liquid crystal display device is a twisted nematic liquid crystal display device or a vertical alignment liquid crystal display device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110193144.3A CN114967197A (en) | 2021-02-20 | 2021-02-20 | Liquid crystal display device having a plurality of pixel electrodes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110193144.3A CN114967197A (en) | 2021-02-20 | 2021-02-20 | Liquid crystal display device having a plurality of pixel electrodes |
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| Publication Number | Publication Date |
|---|---|
| CN114967197A true CN114967197A (en) | 2022-08-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110193144.3A Withdrawn CN114967197A (en) | 2021-02-20 | 2021-02-20 | Liquid crystal display device having a plurality of pixel electrodes |
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| Country | Link |
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| CN (1) | CN114967197A (en) |
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2021
- 2021-02-20 CN CN202110193144.3A patent/CN114967197A/en not_active Withdrawn
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Application publication date: 20220830 |