CN114488630B - Pixel electrode, liquid crystal display panel and display device - Google Patents
Pixel electrode, liquid crystal display panel and display device Download PDFInfo
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- CN114488630B CN114488630B CN202210052668.5A CN202210052668A CN114488630B CN 114488630 B CN114488630 B CN 114488630B CN 202210052668 A CN202210052668 A CN 202210052668A CN 114488630 B CN114488630 B CN 114488630B
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- 239000004973 liquid crystal related substance Substances 0.000 title claims abstract description 88
- 239000000758 substrate Substances 0.000 claims description 19
- 230000000007 visual effect Effects 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 22
- 239000000463 material Substances 0.000 description 6
- 230000005684 electric field Effects 0.000 description 4
- 230000003190 augmentative effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000002500 effect on skin Effects 0.000 description 2
- 239000010409 thin film Substances 0.000 description 2
- 238000005034 decoration Methods 0.000 description 1
- AMGQUBHHOARCQH-UHFFFAOYSA-N indium;oxotin Chemical compound [In].[Sn]=O AMGQUBHHOARCQH-UHFFFAOYSA-N 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 239000004984 smart glass Substances 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
Classifications
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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
- G02F1/1343—Electrodes
- G02F1/134309—Electrodes characterised by their geometrical arrangement
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- Nonlinear Science (AREA)
- Geometry (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)
- Liquid Crystal (AREA)
Abstract
The embodiment of the application provides a pixel electrode, a liquid crystal display panel and a display device. The embodiment of the application provides a pixel electrode, which comprises a first trunk electrode, a second trunk electrode and a plurality of branch electrodes; the second main electrode is intersected with the first main electrode to form a first electrode area, a second electrode area, a third electrode area and a fourth electrode area; the plurality of branch electrodes are distributed in the first electrode area, the second electrode area, the third electrode area and the fourth electrode area, each branch electrode is connected with the first trunk electrode or the second trunk electrode, and the plurality of branch electrodes are radially dispersed around the intersection point of the first trunk electrode and the second trunk electrode; wherein at least part of edge area of the branch electrode is arc-shaped. When the pixel electrode is applied to the liquid crystal display panel, the visual angle of the liquid crystal display panel can be enlarged, and the visual angle is improved.
Description
Technical Field
The present application relates to the field of display, and more particularly, to a pixel electrode, a liquid crystal display panel, and a display device.
Background
The TFT-LCD (Thin Film Transistor-Liquid Crystal Display, thin film transistor liquid crystal display) is the mainstream technology adopted by the current television, and along with the continuous improvement of information technology and living standard, the requirements of people on the visual angle of the display are also higher and higher. As compared with IPS-LCD (In-Plane Switching-Liquid Crystal Display) and OLED (Organic Light Emitting Diode ), VA-LCD (Vertical Alignment-Liquid Crystal Display, vertically aligned liquid crystal display) has a poor viewing angle (smaller viewing angle), and thus viewing angle improvement (enlarging viewing angle) is a technical problem to be solved In the research field of VA-LCD.
Disclosure of Invention
The embodiment of the application provides a pixel electrode, a liquid crystal display panel and a display device.
In a first aspect, an embodiment of the present application provides a pixel electrode, including:
a first backbone electrode;
a second main electrode intersecting the first main electrode to form a first electrode region, a second electrode region, a third electrode region, and a fourth electrode region;
the plurality of branch electrodes are distributed in the first electrode area, the second electrode area, the third electrode area and the fourth electrode area, each branch electrode is connected with the first trunk electrode or the second trunk electrode, and the plurality of branch electrodes are radially diverged around the intersection site of the first trunk electrode and the second trunk electrode;
wherein at least part of edge area of the branch electrode is arc-shaped.
In some embodiments, the branched electrode is elliptical.
In some embodiments, the branch electrodes are circular.
In some embodiments, the branch electrode is in a fusiform shape.
In some embodiments, the branch electrode comprises an electrode body, and a first end and a second end respectively positioned at two ends of the electrode body, wherein the electrode body is rectangular, and the first end and the second end are semicircular.
In some embodiments, the pixel electrode further includes a frame electrode, the frame electrode is disposed at the peripheries of the first trunk electrode, the second trunk electrode, and the plurality of branch electrodes, and the first trunk electrode, the second trunk electrode, and the plurality of branch electrodes are all connected with the frame electrode.
In some embodiments, the first backbone electrode may include a first body and third and fourth ends respectively located at both ends of the first body;
one end of the third end part is connected with the first main body, the other end of the third end part is connected with the frame electrode, and the width of the third end part gradually increases from one end connected with the first main body to one end connected with the frame electrode;
one end of the fourth end part is connected with the first main body, the other end of the fourth end part is connected with the frame electrode, and the width of the fourth end part gradually increases from one end connected with the first main body to one end connected with the frame electrode.
In some embodiments, the second backbone electrode comprises a second body, a fifth end and a sixth end at opposite ends of the second body, respectively;
one end of the fifth end part is connected with the second main body, the other end of the fifth end part is connected with the frame electrode, and the width of the fifth end part gradually increases from one end connected with the second main body to one end connected with the frame electrode;
one end of the sixth end part is connected with the second main body, the other end of the sixth end part is connected with the frame electrode, and the width of the sixth end part gradually increases from one end connected with the second main body to one end connected with the frame electrode.
In a second aspect, an embodiment of the present application provides a liquid crystal display panel, including:
a first substrate, in which a pixel electrode is provided, the pixel electrode being the pixel electrode as described above;
a second substrate disposed opposite to the first substrate;
and the liquid crystal layer is arranged between the first substrate and the second substrate.
In a third aspect, embodiments of the present application provide a display device including a liquid crystal display panel as described above.
According to the pixel electrode provided by the embodiment of the application, at least part of the edge area of the branch electrode is arc-shaped, and when the pixel electrode is applied to the liquid crystal display panel, as the arc-shaped edge area has a curved trend, liquid crystal molecules arranged corresponding to the arc-shaped area can be guided to present different arrangement directions, so that the divergence angle of light rays emitted from the liquid crystal display panel and the visible angle of the liquid crystal display panel are enlarged; in addition, as the electrodes have skin effect, the electric field of the middle area of the branch electrode is stronger, and the electric field of the edge area of the branch electrode is weaker, so that liquid crystal molecules arranged corresponding to the middle area of the branch electrode and liquid crystal molecules arranged corresponding to the edge area of the branch electrode show different deflection angles, and further the divergence angle of light rays emitted from the liquid crystal display panel and the visual angle of the liquid crystal display panel are enlarged; in addition, compared with the existing strip-shaped branch electrode, the area of the branch electrode is larger, and more liquid crystal molecules can be driven, so that the penetration rate of the liquid crystal display panel is improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required to be used in the description of the embodiments will be briefly described below. It is evident that the drawings in the following description are only some embodiments of the application and that other drawings may be obtained from these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural diagram of a pixel electrode according to an embodiment of the present application.
FIG. 2 is a schematic diagram showing the alignment direction of liquid crystal molecules corresponding to the arrangement of the conventional stripe-shaped branched electrodes.
Fig. 3 is a schematic diagram of a first structure of a branch electrode according to an embodiment of the present application.
Fig. 4 is a schematic diagram showing an arrangement direction of liquid crystal molecules corresponding to the branched electrode arrangement of fig. 3.
Fig. 5 is a schematic diagram of a second structure of a branch electrode according to an embodiment of the present application.
Fig. 6 is a schematic diagram showing an arrangement direction of liquid crystal molecules corresponding to the branched electrode arrangement of fig. 5.
Fig. 7 is a schematic diagram of a third structure of a branch electrode according to an embodiment of the present application.
Fig. 8 is a schematic diagram showing an arrangement direction of liquid crystal molecules corresponding to the branched electrode arrangement of fig. 7.
Fig. 9 is a schematic diagram of a fourth structure of a branch electrode according to an embodiment of the present application.
Fig. 10 is a schematic diagram showing an arrangement direction of liquid crystal molecules corresponding to the branched electrode arrangement of fig. 9.
Fig. 11 is a schematic structural diagram of a liquid crystal display panel according to an embodiment of the application.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application. It will be apparent that the described embodiments are only some, but not all, embodiments of the application. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
Referring to fig. 1, fig. 1 is a schematic structural diagram of a pixel electrode according to an embodiment of the application. The embodiment of the application provides a pixel electrode 100, which comprises a first main electrode 10, a second main electrode 20 and a plurality of branch electrodes 30.
The second main electrode 20 intersects the first main electrode 10 to form a first electrode region 51, a second electrode region 52, a third electrode region 53, and a fourth electrode region 54.
The plurality of branch electrodes 30 are distributed in the first electrode area 51, the second electrode area 52, the third electrode area 53 and the fourth electrode area 54, each branch electrode 30 is connected with the first trunk electrode 10 or the second trunk electrode 20, and the plurality of branch electrodes 30 are radially dispersed around the intersection point of the first trunk electrode 10 and the second trunk electrode 20; wherein at least a part of the edge area of the branch electrode 30 is arc-shaped.
According to the pixel electrode 100 provided by the embodiment of the application, at least part of the edge area of the branch electrode 30 is arc-shaped, and when the pixel electrode 100 is applied to the liquid crystal display panel 200, the arc-shaped edge area has a curved trend, so that the liquid crystal molecules 50 arranged corresponding to the arc-shaped area can be guided to present different arrangement directions, and the divergence angle of the light rays emitted from the liquid crystal display panel 200 and the visible angle of the liquid crystal display panel 200 are further enlarged. It is understood that the alignment direction of the liquid crystal molecules 50 refers to the extending direction of the orthographic projection of the liquid crystal molecules 50 on the horizontal plane (the plane of the liquid crystal display panel 200), when the alignment directions of the liquid crystal molecules 50 disposed in different regions of the liquid crystal display panel 200 are different, the outgoing angles of the light rays emitted from the different regions are different, and the more outgoing angles of the light rays, that is, the larger the divergence angle of the light rays, the larger the viewing angle of the liquid crystal display panel 200.
In addition, since the electrodes have skin effect, the electric field in the middle region of the branch electrode 30 is strong, and the electric field in the edge region of the branch electrode 30 is weak, so that the liquid crystal molecules 50 disposed corresponding to the middle region of the branch electrode 30 and the liquid crystal molecules 50 disposed corresponding to the edge region of the branch electrode 30 exhibit different deflection angles, thereby expanding the divergence angle of the light emitted from the liquid crystal display panel 200 and the viewing angle of the liquid crystal display panel 200. It is understood that the deflection angle of the liquid crystal molecules 50 refers to the deflection angle of the liquid crystal molecules 50 in a vertical plane (a plane perpendicular to the plane of the liquid crystal display panel 200), and when the deflection angles of the liquid crystal molecules 50 disposed in different regions of the liquid crystal display panel 200 are different, the outgoing angles of the light rays emitted from the different regions are different, and the more outgoing angles of the light rays, that is, the larger the divergence angle of the light rays, the larger the visible angle of the liquid crystal display panel 200.
In addition, compared with the existing strip-shaped branch electrode (i.e., rectangular branch electrode), the area of the branch electrode 30 in the embodiment of the application is larger, so that more liquid crystal molecules 50 can be driven, thereby improving the transmittance of the liquid crystal display panel 200.
Fig. 2 is a schematic diagram illustrating the arrangement direction of the liquid crystal molecules corresponding to the conventional stripe-shaped branch electrodes, as shown in fig. 2, the arrangement directions of the liquid crystal molecules 50 corresponding to the stripe-shaped branch electrodes 60 are consistent, and all the liquid crystal molecules are arranged along the extending direction of the stripe-shaped branch electrodes 60, so that the divergence angle of the light transmitted through the liquid crystal display panel 200 is not easily increased, and the viewing angle of the liquid crystal display panel 200 is not easily increased.
Fig. 3 is a schematic diagram of a first structure of a branch electrode according to an embodiment of the present application, and fig. 4 is a schematic diagram of an arrangement direction of liquid crystal molecules disposed corresponding to the branch electrode of fig. 3, as shown in fig. 3, the branch electrode 30 may be elliptical, and as can be seen from fig. 4, the liquid crystal molecules 50 at the periphery of the branch electrode 30 exhibit different arrangement directions, so as to facilitate enlarging a divergence angle of light transmitted from the liquid crystal display panel 200, further enlarging a viewing angle of the liquid crystal display panel 200, and realizing an improvement of a viewing angle.
Fig. 5 is a schematic diagram of a second structure of the branch electrode according to the embodiment of the present application, and fig. 6 is a schematic diagram of an arrangement direction of liquid crystal molecules disposed corresponding to the branch electrode of fig. 5, as shown in fig. 5, the branch electrode 30 may be circular, and as can be seen from fig. 6, the liquid crystal molecules 50 at the periphery of the branch electrode 30 exhibit different arrangement directions, so as to facilitate enlarging a divergence angle of light transmitted from the liquid crystal display panel 200, further enlarging a viewing angle of the liquid crystal display panel 200, and realizing an improvement of a viewing angle.
Fig. 7 is a schematic diagram of a third structure of the branch electrode according to the embodiment of the present application, and fig. 8 is a schematic diagram of an arrangement direction of liquid crystal molecules disposed corresponding to the branch electrode of fig. 7, as shown in fig. 7, the branch electrode 30 may be in a spindle shape, and as can be seen from fig. 8, the liquid crystal molecules 50 at the periphery of the branch electrode 30 exhibit different arrangement directions, so as to facilitate enlarging a divergence angle of light transmitted from the liquid crystal display panel 200, further enlarging a viewing angle of the liquid crystal display panel 200, and realizing an improvement of a viewing angle.
Fig. 9 is a schematic diagram of a fourth structure of a branch electrode according to an embodiment of the present application, and fig. 10 is a schematic diagram of an arrangement direction of liquid crystal molecules disposed corresponding to the branch electrode of fig. 9, as shown in fig. 9, the branch electrode 30 may include an electrode body 33, and a first end 31 and a second end 32 respectively located at two ends of the electrode body 33, the electrode body 33 is rectangular (rectangular or square), the first end 31 and the second end 32 are semicircular, and as can be seen from fig. 10, the liquid crystal molecules 50 at the periphery of the branch electrode 30 exhibit different arrangement directions, thereby being beneficial to expanding a divergence angle of light transmitted from the liquid crystal display panel 200, further expanding a viewing angle of the liquid crystal display panel 200, and realizing an improvement of a viewing angle.
Referring to fig. 1, the pixel electrode 100 may further include a frame electrode 40, where the frame electrode 40 is disposed at the peripheries of the first main electrode 10, the second main electrode 20, and the plurality of branch electrodes 30, and the first main electrode 10, the second main electrode 20, and the plurality of branch electrodes 30 are all connected to the frame electrode 40.
Illustratively, the frame electrode 40 is rectangular.
Referring to fig. 1, the first main electrode 10 may include a first main body 11, and a third end 13 and a fourth end 14 respectively located at two ends of the first main body 11; one end of the third end portion 13 is connected to the first body 11, the other end is connected to the frame electrode 40, and the width of the third end portion 13 gradually increases from the end connected to the first body 11 to the end connected to the frame electrode 40; one end of the fourth end portion 14 is connected to the first body 11, the other end is connected to the frame electrode 40, and the width of the fourth end portion 14 gradually increases from the end connected to the first body 11 to the end connected to the frame electrode 40. Illustratively, the third end 13 and the fourth end 14 are each triangular. It can be appreciated that by designing the third end portion 13 and the fourth end portion 14 to have a shape (e.g., a triangle shape) with gradually increasing widths, the liquid crystal molecules 50 aligned along the edges of the third end portion 13 and the fourth end portion 14 can exhibit different alignment directions, thereby being beneficial to expanding the divergence angle of the light transmitted from the liquid crystal display panel 200, and further expanding the viewing angle of the liquid crystal display panel 200, and realizing the viewing angle improvement.
Referring to fig. 1, the second main electrode 20 may include a second main body 22, and a fifth end 25 and a sixth end 26 respectively disposed at two ends of the second main body 22; one end of the fifth end portion 25 is connected to the second body 22, the other end is connected to the frame electrode 40, and the width of the fifth end portion 25 gradually increases from the end connected to the second body 22 to the end connected to the frame electrode 40; one end of the sixth end portion 26 is connected to the second body 22, the other end is connected to the frame electrode 40, and the width of the sixth end portion 26 gradually increases from the end connected to the second body 22 to the end connected to the frame electrode 40. Illustratively, the fifth end 25 and the sixth end 26 are each triangular. It can be appreciated that by designing the fifth and sixth end portions 25 and 26 to have a shape (e.g., a triangle shape) with gradually increasing widths, the liquid crystal molecules 50 aligned along the edges of the fifth and sixth end portions 25 and 26 can exhibit different alignment directions, thereby advantageously expanding the divergence angle of the light transmitted through the liquid crystal display panel 200, and thus expanding the viewing angle of the liquid crystal display panel 200, and thus realizing the enhanced viewing angle.
Referring to fig. 1, the first body 11 intersects with the second body 22, and the intersection point of the first body 11 and the second body 22 is the intersection point of the first main electrode 10 and the second main electrode 20.
Illustratively, the intersection point of the first backbone electrode 10 and the second backbone electrode 20 coincides with the center point of the first backbone electrode 10 and the center point of the second backbone electrode 20.
Referring to fig. 1, the first main electrode 10 and the second main electrode 20 may be perpendicular to each other.
Referring to fig. 1, the extending direction of the plurality of branch electrodes 30 and the extending direction of the first main electrode 10 have an included angle of 45 °.
Illustratively, the material of the branch electrode 30, the material of the first main electrode 10, and the material of the second main electrode 20 are each selected from at least one of a metal and a conductive metal oxide. In some embodiments, the material of the branch electrode 30, the material of the first main electrode 10, and the material of the second main electrode 20 are all Indium Tin Oxide (ITO).
Referring to fig. 11, fig. 11 is a schematic structural diagram of a liquid crystal display panel according to an embodiment of the application. The embodiment of the application further provides a liquid crystal display panel 200, which includes a first substrate 210 and a second substrate 220 disposed opposite to each other, and a liquid crystal layer 230 disposed between the first substrate 210 and the second substrate 220, wherein the first substrate 210 is provided with a pixel electrode 100, and the pixel electrode 100 may be the pixel electrode 100 in any of the above embodiments.
The first substrate 210 is an array substrate, and the second substrate 220 is a color filter substrate.
The embodiment of the application also provides a display device, which comprises the liquid crystal display panel 200 in any of the above embodiments.
Illustratively, the display device may be an electronic product such as a television, an advertising screen, a mobile phone, a tablet computer, a computer display, a game device, an augmented Reality (Augmented Reality, AR) device, a Virtual Reality (VR) device, a wearable device, and the like, wherein the wearable device may be a smart bracelet, smart glasses, a smart watch, a smart decoration, and the like.
The pixel electrode, the liquid crystal display panel and the display device provided by the embodiment of the application are described in detail. Specific examples are set forth herein to illustrate the principles and embodiments of the present application and are provided to aid in the understanding of the present application. Meanwhile, as those skilled in the art will have variations in the specific embodiments and application scope in light of the ideas of the present application, the present description should not be construed as limiting the present application.
Claims (5)
1. A pixel electrode, comprising:
a first backbone electrode;
a second main electrode intersecting the first main electrode to form a first electrode region, a second electrode region, a third electrode region, and a fourth electrode region;
the plurality of branch electrodes are distributed in the first electrode area, the second electrode area, the third electrode area and the fourth electrode area, each branch electrode is connected with the first trunk electrode or the second trunk electrode, and the plurality of branch electrodes are radially diverged around the intersection site of the first trunk electrode and the second trunk electrode;
the frame electrode is arranged on the peripheries of the first main electrode, the second main electrode and the plurality of branch electrodes, and the first main electrode, the second main electrode and the plurality of branch electrodes are connected with the frame electrode;
each branch electrode is provided with a first end and a second end which are oppositely arranged, the first end of each branch electrode is connected with the first main electrode or the second main electrode, the second end of each branch electrode is connected with the frame electrode, and the edge of the area, which is positioned between the first end and the second end, of each branch electrode is arc-shaped; the branch electrode is in a shuttle shape, and the first end and the second end of the branch electrode are both in a pointed shape.
2. The pixel electrode according to claim 1, wherein the first backbone electrode comprises a first body and third and fourth ends respectively located at both ends of the first body;
one end of the third end part is connected with the first main body, the other end of the third end part is connected with the frame electrode, and the width of the third end part gradually increases from one end connected with the first main body to one end connected with the frame electrode;
one end of the fourth end part is connected with the first main body, the other end of the fourth end part is connected with the frame electrode, and the width of the fourth end part gradually increases from one end connected with the first main body to one end connected with the frame electrode.
3. The pixel electrode according to claim 1, wherein the second main electrode includes a second body, and fifth and sixth ends respectively located at both ends of the second body;
one end of the fifth end part is connected with the second main body, the other end of the fifth end part is connected with the frame electrode, and the width of the fifth end part gradually increases from one end connected with the second main body to one end connected with the frame electrode;
one end of the sixth end part is connected with the second main body, the other end of the sixth end part is connected with the frame electrode, and the width of the sixth end part gradually increases from one end connected with the second main body to one end connected with the frame electrode.
4. A liquid crystal display panel, comprising:
a first substrate having a pixel electrode provided therein, the pixel electrode being the pixel electrode according to any one of claims 1 to 3;
a second substrate disposed opposite to the first substrate;
and the liquid crystal layer is arranged between the first substrate and the second substrate.
5. A display device comprising the liquid crystal display panel according to claim 4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210052668.5A CN114488630B (en) | 2022-01-18 | 2022-01-18 | Pixel electrode, liquid crystal display panel and display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210052668.5A CN114488630B (en) | 2022-01-18 | 2022-01-18 | Pixel electrode, liquid crystal display panel and display device |
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| Publication Number | Publication Date |
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| CN114488630A CN114488630A (en) | 2022-05-13 |
| CN114488630B true CN114488630B (en) | 2023-11-28 |
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| CN202210052668.5A Active CN114488630B (en) | 2022-01-18 | 2022-01-18 | Pixel electrode, liquid crystal display panel and display device |
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| CN114488630A (en) | 2022-05-13 |
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