CN110908197A - Liquid crystal display panel and display device - Google Patents
Liquid crystal display panel and display device Download PDFInfo
- Publication number
- CN110908197A CN110908197A CN201911089751.4A CN201911089751A CN110908197A CN 110908197 A CN110908197 A CN 110908197A CN 201911089751 A CN201911089751 A CN 201911089751A CN 110908197 A CN110908197 A CN 110908197A
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- liquid crystal
- crystal display
- display panel
- conductive
- substrate
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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
- G02F1/136—Liquid crystal cells structurally associated with a semi-conducting layer or substrate, e.g. cells forming part of an integrated circuit
- G02F1/1362—Active matrix addressed cells
-
- 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
- G02F1/133528—Polarisers
-
- 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
- G02F1/136—Liquid crystal cells structurally associated with a semi-conducting layer or substrate, e.g. cells forming part of an integrated circuit
- G02F1/1362—Active matrix addressed cells
- G02F1/136204—Arrangements to prevent high voltage or static electricity failures
Abstract
The invention provides a liquid crystal display panel and a display device, wherein a grounding terminal is leaked outside a step area of an array substrate, a conductive member is arranged in a polaroid, a protruding block extends out of the step area of the conductive member, the protruding block is electrically connected with the grounding terminal, static electricity in a color film substrate is led out in time, the static electricity protection function of the color film substrate is realized, complex wiring and a larger space are not needed, the wiring and film coating cost is saved, and the frame size of the liquid crystal display panel is further reduced.
Description
Technical Field
The present disclosure relates to electrostatic discharge protection technologies, and particularly to a liquid crystal display panel and a display device.
Background
At present, the display panel adopts an extremely narrow frame design to meet the requirement of people on the attractiveness of the display panel.
Because the electrostatic protection circuit in the color film substrate is arranged in the frame of the liquid crystal display panel, the size of the frame of the liquid crystal display panel is limited to be further compressed. Generally, electrostatic protection is realized, a unidirectional diode is bridged at a grounding terminal position of a junction area of a first metal layer and a second metal layer of an array substrate, and then the unidirectional diode is connected to a common electrode on a color film substrate to lead out static electricity on the color film substrate, so that damage of the static electricity to the color film substrate and a polarizer is reduced.
In summary, in the liquid crystal display panel in the prior art, the routing of the electrostatic protection circuit on one side of the color film substrate is complex, the required space is large, the cost of routing and coating is high, the technical problem of compressing the frame size of the liquid crystal display panel is further limited, and improvement is needed.
Disclosure of Invention
The invention provides a liquid crystal display panel and a display device. In the liquid crystal display panel in the prior art, the electrostatic protection circuit on one side of the color film substrate is complex in wiring, large in required space and high in wiring and film coating cost, and the technical problem of compressing the frame size of the liquid crystal display panel is further limited.
In order to solve the above problems, the technical scheme provided by the invention is as follows:
the invention provides a liquid crystal display panel, comprising: the array substrate is provided with a grounding terminal which leaks outside a step area of the liquid crystal display panel; the color film substrate is arranged opposite to the array substrate and corresponds to the display area of the array substrate; and the polarizer comprises a conductive component, one end of the conductive component is in contact with the surface of the color film substrate, and the other end of the conductive component is in electrical contact with the grounding terminal, so that the static electricity of the color film substrate is transferred to the grounding terminal.
According to a preferred embodiment of the present invention, the conductive member includes a conductive layer and a protruding block protruding from an edge of the conductive layer, and the protruding block is located in the step region and electrically contacts with the ground terminal.
According to a preferred embodiment of the present invention, the protruding block is bent and has one or more combined loops of L-shaped, S-shaped or Z-shaped loops.
According to a preferred embodiment of the present invention, the protruding block and the conductive layer are integrally formed, and the protruding block and the conductive layer are made of the same metal layer.
According to a preferred embodiment of the present invention, the protruding block is attached to the conductive layer, and the surface of the protruding block is coated with silver paste for transmitting an electrical signal.
According to a preferred embodiment of the present invention, the ground terminal includes a first ground terminal and a second ground terminal, the protruding block includes a first protruding block and a second protruding block, the first protruding block is attached to the first ground terminal, and the second protruding block is attached to the second ground terminal.
According to a preferred embodiment of the present invention, the conductive member is made of ito or PSA conductive adhesive.
According to a preferred embodiment of the present invention, the conductive member is located between the color filter substrate and the polarizer.
According to a preferred embodiment of the present invention, the conductive member is located inside the polarizer and is combined with one or more of the following layers: protective film, cellulose triacetate film, polyvinyl alcohol film, compensation film, pressure-sensitive adhesive film.
According to an object of the present invention, there is provided a display device including the above liquid crystal display panel.
The invention has the beneficial effects that: according to the invention, the grounding terminal is leaked outside the step area of the array substrate, the conductive member is arranged in the polaroid, the conductive member extends out of the protruding block in the step area, the protruding block and the grounding terminal are electrically connected, static electricity in the color film substrate is led out in time, the function of electrostatic protection of the color film substrate is realized, complicated wiring and a large space are not needed, the wiring and film coating cost is saved, and the frame size of the liquid crystal display panel is further reduced.
Drawings
In order to illustrate the embodiments or the technical solutions in the prior art more clearly, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the invention, and it is obvious for a person skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic diagram illustrating a front view structure of a liquid crystal display panel according to an embodiment of the present application;
fig. 2 is a schematic top view of a liquid crystal display panel according to an embodiment of the present disclosure;
fig. 3 is a schematic view of a polarizer structure according to an embodiment of the present disclosure.
Detailed Description
The following description of the various embodiments refers to the accompanying drawings that illustrate specific embodiments in which the invention may be practiced. The directional terms mentioned in the present invention, such as [ upper ], [ lower ], [ front ], [ rear ], [ left ], [ right ], [ inner ], [ outer ], [ side ], are only referring to the directions of the attached drawings. Accordingly, the directional terms used are used for explanation and understanding of the present invention, and are not used for limiting the present invention. In the drawings, elements having similar structures are denoted by the same reference numerals, and broken lines in the drawings indicate that the elements do not exist in the structures, and only the shapes and positions of the structures are explained.
The invention aims to solve the technical problems that in the liquid crystal display panel in the prior art, the electrostatic protection circuit on one side of the color film substrate is complex in wiring, large in required space and high in wiring and film coating cost, and the frame size of the liquid crystal display panel is further limited to be compressed.
As shown in fig. 1, the present application provides a liquid crystal display panel 100, comprising: an array substrate 101, wherein the array substrate 101 is provided with a grounding terminal 1015 which leaks outside the step area 105 of the liquid crystal display panel 100; the color film substrate 103 is arranged opposite to the array substrate 101 and corresponds to the display area of the array substrate 101; the polarizer 104 includes a conductive member 1041, one end of the conductive member 1041 is in contact with the surface of the color filter substrate 103, and the other end is in electrical contact with the ground terminal 1015, so that the static electricity of the color filter substrate 103 is transferred to the ground terminal 1015.
Specifically, in the embodiment, the array substrate 101 and the color filter substrate 103 form a step region 105 due to a step. The array substrate 101 includes a first substrate 1011, a thin film transistor 1012 located on a surface of the first substrate 1011, a pixel electrode layer 1013 connected to a drain of the thin film transistor 1012, a passivation layer 1014 located between the first substrate 1011 and the pixel electrode layer 1013, and a ground terminal 1015, where the ground terminal 1015 is located in the step region 105 and stands on the surface of the passivation layer 1014, and the ground terminal 1015 may also stand directly on the surface of the first substrate 101.
The first substrate 1011 is usually a glass substrate, but may be a substrate made of other materials, and is not limited herein. The thin film transistor 1012 includes: the grid electrode layer, the grid electrode insulating layer, the active layer and the source drain electrode layer are stacked from bottom to top. The gate layer 20 is formed on the first substrate 1011. in one embodiment, the gate layer is formed on the first substrate 1011 by physical vapor deposition, and then a gate pattern is formed by a photolithography process. The material of the gate layer may be a metal material, such as copper (Cu), aluminum (Al), titanium (Ti), tantalum (Ta), tungsten (W), molybdenum (Mo), chromium (Cr), and the like. The gate insulating layer is formed on the gate layer and covers the gate layer and the first substrate 1011. In one embodiment, the gate insulating layer is formed on the gate electrode layer by chemical vapor deposition and then annealed in a dry air atmosphere at 400 ℃. The gate insulating layer is typically made of silicon oxide, silicon nitride, silicon oxynitride, or a sandwich structure of the three. The active layer is formed on the gate insulating layer and insulated from the gate layer. The active layer is deposited on the gate insulating layer by magnetron sputtering, metal organic chemical vapor deposition or pulsed laser evaporation. After the active layer deposition is completed, an annealing process is performed, which in one embodiment may be performed at 400 ℃ for about 0.5 hours in a dry air atmosphere. And after the annealing treatment is finished, etching the active layer by adopting a wet etching process or a dry etching process with oxalic acid as etching liquid, and patterning the whole metal oxide film to form an island-shaped metal oxide semiconductor layer after the etching process.
After the source and drain electrode layers are formed, a passivation layer 1014 can be formed, the passivation layer 1014 is deposited on the source and drain electrode layers by a chemical vapor deposition method, the passivation layer 1014 can be made of silicon oxide (SiOx), silicon nitride (SiNx) or a sandwich structure of the silicon oxide and the silicon nitride, and then a via hole is formed on the drain electrode layer by a dry etching method. Indium tin oxide can be deposited on the passivation layer 1014 by a physical vapor deposition method or magnetron sputtering method to form a pixel electrode layer 1013, and then the pixel electrode layer 1013 is wet-etched by oxalic acid solution to form a pixel electrode pattern, and the pixel electrode pattern is connected with the drain electrode through a via hole on the passivation layer 1014.
The liquid crystal layer 102 is located between the array substrate 101 and the color filter substrate 103, and includes a rubber frame 1023, and a liquid crystal 1021 and a spacer 1022 located in the rubber frame 1023.
The color film substrate 103 is disposed opposite to the array substrate 101, and corresponds to the display region of the array substrate 101, and includes a second substrate 1031, a black tape 1032 and a color filter 1033 which are located below the second substrate 1031, a common electrode layer 1034 located below the black tape 1032 and the color filter 1033, and an alignment film 1035 located below the common electrode layer 1034.
The polarizer 104 includes a conductive member 1041 and a polarizing layer 1042 located above the conductive member 1041, the conductive member 1041 includes a conductive layer 10411 and a protruding block 10412 protruding from an edge of the conductive layer 10411, the protruding block 10412 is located in the step region 105 and electrically contacts with the ground terminal 1015. The protruding block 10412 is bent and is one or more of an L-shaped loop, an S-shaped loop or a Z-shaped loop, and since the protruding block 10412 is L-shaped, S-shaped or Z-shaped and has a folding characteristic, it is easy to deform, stretch and break when receiving an external force, in this embodiment, the protruding block 10412 is a Z-shaped loop, and the protruding block 10412 may be other bent shapes.
When the conductive member 1041 is made of ito, and the protruding block 10412 and the conductive layer 10411 are integrally formed, the protruding block 10412 and the conductive layer 10411 are made of the same metal layer, and the thickness of the conductive member 1041 is 5 to 500 nm, the conductive member 1041 is prepared by one of magnetron sputtering, metal organic chemical vapor deposition, or pulsed laser evaporation, and after the deposition of the conductive member 1041 is completed, the annealing treatment is performed, and the annealing treatment can be performed in a dry air atmosphere at 400 ℃ for about 0.5 hour. After the annealing process is completed, the conductive member 1041 is etched by a wet etching process or a dry etching process using oxalic acid as an etching solution, and after the etching process, the entire metal oxide film of the conductive layer 10411 in the conductive member 1041 is patterned to form an island-shaped conductor layer.
When the conductive member 1041 is preferably made of PSA conductive adhesive, the protruding block 10412 is attached to the conductive layer 10411, and the surface of the conductive layer 10411 is coated with silver adhesive for transmitting an electrical signal. The conductive member 1041 has a conductive adhesive tape pattern formed on its surface, and conductive particles are added to the conductive adhesive tape pattern to form a conductive adhesive layer, which is easy to absorb static electricity on the surface of the color filter substrate.
The conductive member 1041 is located between the color filter substrate 103 and the polarizer 104, that is, the conductive member 1041 is attached to the surface of the color filter substrate 103, and after static electricity is generated on the color filter substrate 103, the static electricity moves to the surface of the color filter substrate 103, is then transferred to the color filter substrate 103, is further transferred to the ground terminal 1015, and is then transferred to the surface of the display device, so as to eliminate the static electricity on the surface of the color filter substrate 103.
As shown in fig. 2, the present application provides a schematic top view structure of a liquid crystal display panel 100. the liquid crystal display panel 100 includes a display area 1016 of an array substrate 101, a step area 105, and a polarizer 104 located above the display area 1016. The protruded block 10412 in the polarizer 104 includes a first protruded block 10413 and a second protruded block 10414, the first protruded block 10413 and the second protruded block 10414 are located at two sides of the conductive layer 10411, the ground terminal 1015 includes a first ground terminal 10151 and a second ground terminal 10152, the first protruded block 10413 is attached to the first ground terminal 10151, and the second protruded block 10414 is attached to the second ground terminal 10152.
As shown in fig. 3, the present application provides a polarizer 104, which includes a conductive layer 10411, a polarizing layer 1042 located on the conductive layer 10411, a plurality of protruding blocks 10412 disposed at the edge of the conductive layer 10411, and a plurality of protruding blocks 10412 capable of forming a plurality of discharge points, so as to prevent a liquid crystal display panel from being damaged due to an excessive static electricity at one location.
The polarizer 104 includes a conductive layer 10411, a release film 1043, a pressure-sensitive adhesive layer 1044, and a polarizing layer 1042; the release film 1043 is disposed on the conductive layer 10411, the pressure-sensitive adhesive layer 1043 is disposed on the release film 1044, and the polarizing layer 1042 is disposed on the pressure-sensitive adhesive layer 1043. The polarizing layer 1042 is a polyvinyl alcohol film, and a first cellulose triacetate layer and a second cellulose triacetate layer are respectively arranged on two sides of the polarizing layer 1042. The polarizing layer 1042 plays a polarizing role, the polarizing layer 1042 is very easy to hydrolyze, and in order to protect the polarizing physical properties of the polarizing layer 1042, a layer of cellulose triacetate with high light transmittance, good water resistance, and certain mechanical strength is compounded on each of the two sides of the polarizing layer 1042 for protection.
In this embodiment, the conductive layer 10411 is located on the surface of the polarizer 104 close to the color filter substrate 103, and the conductive layer 10411 may also be located on other films of the polarizer 104, or may be combined with other films, for example: the conductive member 1041 is located inside the polarizer 104, the polarizer 104 is in a conductive state as a whole, and the conductive member 1041 is combined with one or more of the following layers: protective film, cellulose triacetate film, polyvinyl alcohol film, compensation film, pressure-sensitive adhesive film.
According to the liquid crystal display panel, the invention also provides a display device, which comprises an array substrate, wherein the array substrate is provided with a grounding terminal which leaks outside the step area of the liquid crystal display panel; the color film substrate is arranged opposite to the array substrate and corresponds to the display area of the array substrate; the polaroid comprises a conductive component, wherein one end of the conductive component is in contact with the surface of the color film substrate, and the other end of the conductive component is in electrical contact with the grounding terminal, so that static electricity of the color film substrate is transmitted to the grounding terminal, the static electricity on the color film substrate is led out in time, the accumulation of the static electricity is avoided, and the color film substrate and the polaroid are damaged by the point discharge of the static electricity.
The invention has the beneficial effects that: according to the invention, the grounding terminal is leaked outside the step area of the array substrate, the conductive member is arranged in the polaroid, the conductive member extends out of the protruding block in the step area, the protruding block and the grounding terminal are electrically connected, static electricity in the color film substrate is led out in time, the function of electrostatic protection of the color film substrate is realized, complicated wiring and a large space are not needed, the wiring and film coating cost is saved, and the frame size of the liquid crystal display panel is further reduced.
In summary, although the present invention has been described with reference to the preferred embodiments, the above-described preferred embodiments are not intended to limit the present invention, and those skilled in the art can make various changes and modifications without departing from the spirit and scope of the present invention, therefore, the scope of the present invention shall be determined by the appended claims.
Claims (10)
1. A liquid crystal display panel, comprising:
the array substrate is provided with a grounding terminal which leaks outside a step area of the liquid crystal display panel;
the color film substrate is arranged opposite to the array substrate and corresponds to the display area of the array substrate;
and the polarizer comprises a conductive component, one end of the conductive component is in contact with the surface of the color film substrate, and the other end of the conductive component is in electrical contact with the grounding terminal, so that the static electricity of the color film substrate is transferred to the grounding terminal.
2. The liquid crystal display panel according to claim 1, wherein the conductive member comprises a conductive layer and a protruding block protruding from an edge of the conductive layer, the protruding block being located in the step area and electrically contacting the ground terminal.
3. The LCD panel of claim 2, wherein the protrusion is bent to form one or more combined L-shaped, S-shaped or Z-shaped loops.
4. The liquid crystal display panel according to claim 2, wherein the protrusion block is integrally formed with the conductive layer, and the protrusion block and the conductive layer are formed of the same metal layer.
5. The lcd panel of claim 2, wherein the protrusion is attached to the conductive layer, and a silver paste is coated on a surface of the protrusion for transmitting an electrical signal.
6. The liquid crystal display panel according to claim 2, wherein the ground terminal includes a first ground terminal and a second ground terminal, and the projection block includes a first projection block attached to the first ground terminal and a second projection block attached to the second ground terminal.
7. The LCD panel of claim 1, wherein the conductive member is made of ITO or PSA conductive adhesive.
8. The liquid crystal display panel according to claim 1, wherein the conductive member is located between the color filter substrate and the polarizer.
9. The LCD panel of claim 1, wherein the conductive member is located inside the polarizer and is combined with one or more of the following layers: protective film, cellulose triacetate film, polyvinyl alcohol film, compensation film, pressure-sensitive adhesive film.
10. A display device comprising the liquid crystal display panel according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911089751.4A CN110908197A (en) | 2019-11-08 | 2019-11-08 | Liquid crystal display panel and display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911089751.4A CN110908197A (en) | 2019-11-08 | 2019-11-08 | Liquid crystal display panel and display device |
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| Publication Number | Publication Date |
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| CN110908197A true CN110908197A (en) | 2020-03-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201911089751.4A Pending CN110908197A (en) | 2019-11-08 | 2019-11-08 | Liquid crystal display panel and display device |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN203133441U (en) * | 2013-03-22 | 2013-08-14 | 北京京东方光电科技有限公司 | Display panel and display device |
| CN104049404A (en) * | 2013-03-15 | 2014-09-17 | 京东方科技集团股份有限公司 | Advanced super dimension switch (ADS) liquid crystal display device and manufacturing method thereof |
| CN105319767A (en) * | 2015-12-09 | 2016-02-10 | 武汉华星光电技术有限公司 | Liquid crystal displayer, electronic device, liquid crystal panel and manufacturing method thereof |
| CN205539836U (en) * | 2016-03-16 | 2016-08-31 | 天马微电子股份有限公司 | Touch display panel and touch display device |
| CN108931867A (en) * | 2018-10-19 | 2018-12-04 | 信利光电股份有限公司 | A kind of liquid crystal display die set |
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2019
- 2019-11-08 CN CN201911089751.4A patent/CN110908197A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104049404A (en) * | 2013-03-15 | 2014-09-17 | 京东方科技集团股份有限公司 | Advanced super dimension switch (ADS) liquid crystal display device and manufacturing method thereof |
| CN203133441U (en) * | 2013-03-22 | 2013-08-14 | 北京京东方光电科技有限公司 | Display panel and display device |
| CN105319767A (en) * | 2015-12-09 | 2016-02-10 | 武汉华星光电技术有限公司 | Liquid crystal displayer, electronic device, liquid crystal panel and manufacturing method thereof |
| CN205539836U (en) * | 2016-03-16 | 2016-08-31 | 天马微电子股份有限公司 | Touch display panel and touch display device |
| CN108931867A (en) * | 2018-10-19 | 2018-12-04 | 信利光电股份有限公司 | A kind of liquid crystal display die set |
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