CN105892177B - Display panel and display device - Google Patents
Display panel and display device Download PDFInfo
- Publication number
- CN105892177B CN105892177B CN201610439632.7A CN201610439632A CN105892177B CN 105892177 B CN105892177 B CN 105892177B CN 201610439632 A CN201610439632 A CN 201610439632A CN 105892177 B CN105892177 B CN 105892177B
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- silver paste
- display panel
- substrate
- array substrate
- opposite 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
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1345—Conductors connecting electrodes to cell terminals
- G02F1/13452—Conductors connecting driver circuitry and terminals of panels
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/133528—Polarisers
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- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Liquid Crystal (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
The invention discloses a display panel and a display device, wherein a binding area on an array substrate in the display panel is provided with silver paste points, one end of an opposite substrate close to the binding area of the array substrate is provided with silver paste points corresponding to the silver paste points on the array substrate, and one surface of the opposite substrate close to a polaroid is provided with silver paste points corresponding to the silver paste points on the array substrate; the silver paste points are used for coating silver paste and electrically connecting the array substrate and the opposite substrate; the polarizer has an opening in a region corresponding to the silver paste dot on the counter substrate. The opening design is made in the area of the corresponding silver paste point on the opposite direction substrate on the polaroid, so that the area of coating the silver paste point with the silver paste is increased, the contact between the polaroid and the silver paste point-coated silver paste can be avoided, the adhesion of the silver paste point with the silver paste to the polaroid can be avoided in the whole machine manufacturing process and the use process, the influence on the conductivity of the silver paste point due to the damage and the breakage of the silver paste point with the polaroid under the impact of external force or thermal shock can be prevented, and the good conduction performance between the array substrate and the opposite direction substrate is ensured.
Description
Technical Field
The invention relates to the technical field of display, in particular to a display panel and a display device.
Background
At present, with the development of display technology, the display technology is widely applied to televisions, mobile phones and public information display, and flat panel displays for displaying pictures are widely popularized due to the advantages of ultra-thinness and energy conservation. In the prior art, the design of general display panel needs to set up about two silver thick liquid points and the silver thick liquid of connecting two silver thick liquid points through the silver thick liquid line, forms the static that the return circuit can release on the display panel like this, effectively improves the whole display effect that display panel met under the static charge condition of gathering. However, in the above design and coating schemes of the silver paste dots and the silver paste lines, a large amount of silver paste is consumed for coating the silver paste lines, which results in higher cost, high process difficulty and low yield. Particularly, when the product is affected by external force impact or thermal shock in the use of the whole machine or the manufacturing process, the silver paste line is easily damaged or even broken, so that the signal transmission between the array substrate and the opposite substrate is affected, and after the silver paste of the silver paste point is cured, the silver paste point is easily affected by poor dispensing, temperature change, temperature impact and the like, so that the silver paste point is broken under stress, poor conduction and the display effect of the display panel is further affected.
Therefore, how to improve the problem that the silver paste dots are easily broken due to the external force is a technical problem to be solved urgently by those skilled in the art.
Disclosure of Invention
The embodiment of the invention provides a display panel and a display device, which are used for solving the problem that silver paste points electrically connecting an array substrate and an opposite substrate are easy to break under the action of external force in the prior art.
An embodiment of the present invention provides a display panel, including: the liquid crystal display panel comprises an array substrate, an opposite substrate, a liquid crystal layer positioned between the array substrate and the opposite substrate, and a polarizer positioned on one surface of the opposite substrate, which is far away from the liquid crystal layer;
silver paste points are arranged in the binding area on the array substrate, and silver paste points corresponding to the silver paste points on the array substrate are arranged at one end, close to the binding area of the array substrate, of the opposite substrate and at one surface, close to the polarizer, of the opposite substrate; the silver paste points are used for coating silver paste and electrically connecting the array substrate and the opposite substrate;
the area of the polarizer corresponding to the silver paste point on the opposite substrate is provided with an opening.
In a possible implementation manner, in the display panel provided in the embodiment of the present invention, two silver paste dots are disposed in the binding region on the array substrate, and two silver paste dots corresponding to the two silver paste dots on the array substrate are disposed at one end of the opposite substrate close to the binding region of the array substrate and at one surface of the opposite substrate close to the polarizer; the regions of the polarizer corresponding to the two silver paste points on the opposite substrate are respectively provided with an opening.
In a possible implementation manner, in the display panel provided in the embodiment of the present invention, a conductive adhesive is disposed between the two openings and faces one surface of the polarizer, where the opposite substrate is opposite to the polarizer, and the conductive adhesive is electrically connected to the two silver paste dots.
In a possible implementation manner, in the display panel provided by the embodiment of the present invention, the opening is shaped like a V or a U.
In a possible implementation manner, in the display panel provided by the embodiment of the invention, the silver paste dot-coated with the silver paste contains a viscose material.
In a possible implementation manner, in the display panel provided by the embodiment of the present invention, the adhesive material is a resin or an adhesive.
In a possible implementation manner, in the display panel provided by the embodiment of the present invention, the conductive adhesive is a mixture of a resin, a binder, and a metal powder.
In a possible implementation manner, in the display panel provided by the embodiment of the present invention, the metal powder is one or more of nickel, gold, nickel gold plating, and gold-tin alloy.
In a possible implementation manner, in the display panel provided by the embodiment of the present invention, the opening does not extend to the display area beyond an interface between the display area and the peripheral area.
The embodiment of the invention provides a display device which comprises the display panel provided by the embodiment of the invention.
The embodiment of the invention has the beneficial effects that:
an embodiment of the present invention provides a display panel and a display device, where the display panel includes: the liquid crystal display panel comprises an array substrate, an opposite substrate, a liquid crystal layer positioned between the array substrate and the opposite substrate, and a polarizer positioned on one surface of the opposite substrate, which is far away from the liquid crystal layer; silver paste points are arranged in the binding area on the array substrate, and silver paste points corresponding to the silver paste points on the array substrate are arranged at one end, close to the binding area of the array substrate, of the opposite substrate and at one surface, close to the polaroid, of the opposite substrate; the silver paste points are used for coating silver paste and electrically connecting the array substrate and the opposite substrate; the polarizer has an opening in a region corresponding to the silver paste dot on the counter substrate. The opening design is made in the area of the corresponding silver paste point on the opposite direction substrate on the polaroid, so that the area of coating the silver paste point with the silver paste is increased, the contact between the polaroid and the silver paste point coated silver paste can be avoided, the adhesion of the silver paste to the polaroid can be avoided in the whole machine manufacturing process and the use, the influence on the conductivity of the silver paste point due to the damage and the fracture of the silver paste point caused by the external force impact or thermal shock of the polaroid can be prevented, and the good conduction performance between the array substrate and the opposite direction substrate is ensured.
Drawings
Fig. 1-2 are schematic structural diagrams of a display panel according to an embodiment of the invention;
fig. 3 is a schematic side view of a display panel according to an embodiment of the present invention.
Detailed Description
The following describes in detail a specific embodiment of a display panel and a display device according to an embodiment of the present invention with reference to the drawings.
An embodiment of the present invention provides a display panel, as shown in fig. 1, the display panel includes: the liquid crystal display panel comprises an array substrate 01, an opposite substrate 02, a liquid crystal layer (not shown in the figure) positioned between the array substrate 01 and the opposite substrate 02, and a polarizer 03 positioned on one side of the opposite substrate 02, which is far away from the liquid crystal layer; a silver paste point D is arranged in the binding area on the array substrate 01, and a silver paste point D corresponding to the silver paste point on the array substrate 01 is arranged at one end, close to the binding area of the array substrate 01, of the opposite substrate 02 and on one surface, close to the polarizer, of the opposite substrate; the silver paste points D are used for coating silver paste and electrically connecting the array substrate 01 and the opposite substrate 02; the polarizer 03 has an opening K in a region corresponding to the silver paste dot D on the counter substrate 02.
As shown in fig. 1, after the array substrate and the opposite substrate are aligned, the end close to the array substrate binding region is provided with a misalignment region opposite to the opposite substrate, the misalignment region of the array substrate opposite to the opposite substrate is provided with silver paste dots, the end of the opposite substrate opposite to the array substrate is provided with silver paste dots corresponding to the silver paste dots on the array substrate, the silver paste dots on the array substrate and the silver paste dots on the opposite substrate are respectively coated with silver paste, and further, the array substrate and the opposite substrate can be electrically connected through the silver paste, so that signal transmission between the array substrate and the opposite substrate is realized. Meanwhile, the area of the corresponding silver paste point on the opposite substrate on the polaroid is opened, so that the area of coating the silver paste point with the silver paste is increased, the contact between the polaroid and the silver paste point-coated silver paste can be avoided, the adhesion of the silver paste point to the polaroid can be avoided in the whole machine manufacturing process and the use, the influence on the conductivity of the silver paste point due to the damage and the fracture of the silver paste point caused by the external force impact or thermal shock of the polaroid can be prevented, and the good conductivity between the array substrate and the opposite substrate is ensured. In addition, the design of opening the polarizer is beneficial to improving the alignment process in the manufacturing process of the display panel. It should be noted that, in fig. 1, in order to distinguish the opposite substrate from the polarizer, the polarizer is schematically not overlapped with the left and right side edges of the opposite substrate, and in the design of the actual display panel, the opposite substrate and the polarizer may be overlapped, which is specifically described herein. In addition, the area indicated by AA in fig. 1 is a display area of the display panel, and the overlapping of the counter substrate and the polarizer in fig. 2 is not specifically described.
In specific implementation, as shown in fig. 1, in the display panel provided in the embodiment of the present invention, two silver paste dots D are disposed in the bonding region on the array substrate 01, and two silver paste dots D corresponding to the two silver paste dots D on the array substrate 01 are disposed on one end of the opposite substrate 02 close to the bonding region of the array substrate 01 and on one surface of the opposite substrate close to the polarizer; the polarizer 03 has openings K in regions corresponding to the two silver paste dots D on the opposite substrate 02. Specifically, the display panel is generally provided with two silver paste points and an external silver paste line to form a loop, so as to realize the conduction between the array substrate and the opposite substrate. The area corresponding to the two silver paste points on the polaroid is opened, so that the area of silver paste point coating silver paste can be increased, the contact between the polaroid and the silver paste point coating silver paste can be avoided, the adhesion of the silver paste points to the polaroid can be avoided in the process and use of the whole machine, the influence on the conductivity of the silver paste points due to the damage and the fracture of the silver paste points when the polaroid is impacted by external force or thermal impact can be prevented, and the good conduction performance between the array substrate and the opposite substrate is ensured.
In a specific implementation, as shown in fig. 2 and 3, in the display panel provided in the embodiment of the present invention, the polarizer 03 faces one surface of the opposite substrate, a conductive adhesive L is disposed between the two openings K, and the conductive adhesive L is electrically connected to the two silver paste dots D. Specifically, in the prior art, a silver paste line is generally adopted to connect two silver paste points to form a closed loop to realize the conduction between the array substrate and the opposite substrate, and the conductive back glue arranged on the back surface of the polaroid is adopted to replace the silver paste line, so that the signal transmission fault caused by the fact that the silver paste line is easily broken by external force can be avoided, meanwhile, the use amount of the silver paste is reduced, and the production cost is reduced.
In a specific implementation, in the display panel provided in the embodiment of the present invention, the opening may be in a V shape or a U shape. Specifically, in the display panel provided in the embodiment of the present invention, the area of the polarizer corresponding to the silver paste dot is designed to have an opening, and the specific opening shape may be a V-shape or a U-shape.
In a specific implementation, in the display panel provided in the embodiment of the invention, the silver paste applied to the silver paste dots may include a viscose material. Specifically, in the display panel provided by the embodiment of the invention, the viscose material is doped in the silver paste coated with the silver paste dots, so that the flexibility of the cured silver paste can be improved, the tolerance of the silver paste to external force can be improved, and the temperature impact resistance, the temperature change resistance and the drawing tolerance of the silver paste can be improved.
In a specific implementation, in the display panel provided in the embodiment of the present invention, the adhesive material may be a resin or an adhesive. Specifically, in the display panel provided in the embodiment of the present invention, in order to improve the flexibility of the silver paste after curing and improve the tolerance of the silver paste to the external force, a resin or a binder may be doped into the silver paste, and certainly, other adhesive materials that can improve the tolerance of the silver paste to the external force may also be doped into the silver paste, which is not limited herein.
In practical implementation, in the display panel provided in the embodiment of the present invention, the conductive adhesive may be a mixture of a resin, a binder, and a metal powder. Specifically, in the display panel provided by the embodiment of the invention, the conductive back adhesive replacing the silver paste line contains conductive metal powder and a viscose material, so that the conductivity of the conductive back adhesive can be ensured, and the tolerance of the conductive back adhesive to external force can be improved.
In a specific implementation, in the display panel provided in the embodiment of the present invention, the metal powder in the conductive adhesive may be one or more of nickel, gold, nickel-gold plating, and gold-tin alloy. Specifically, in order to ensure the conductivity of the conductive adhesive, some conductive materials may be mixed into the adhesive material to form the conductive adhesive, wherein the conductive materials may be one or more of nickel, gold, nickel gold plating and gold-tin alloy, and the adhesive material is resin and adhesive. In practical applications, the material of the conductive back adhesive may also be other conductive materials and adhesive materials, and is not limited herein.
In a specific implementation, in the display panel provided in the embodiment of the present invention, the extension of the opening to the display area of the display panel does not exceed the boundary line between the peripheral area and the display area. Specifically, the size of the opening can be designed according to the actual application requirement, but the extension of the opening to the display area of the display panel cannot exceed the boundary line between the peripheral area and the display area, so that light leakage of the display panel due to an excessively large opening can be avoided.
Based on the same inventive concept, an embodiment of the present invention provides a display device, including the display panel provided in the embodiment of the present invention. The display device can be applied to any product or component with a display function, such as a mobile phone, a tablet personal computer, a television, a display, a notebook computer, a digital photo frame, a navigator and the like. Since the principle of the display device to solve the problem is similar to that of the display panel, the display device can be implemented by the display panel, and repeated descriptions are omitted.
An embodiment of the present invention provides a display panel and a display device, where the display panel includes: the liquid crystal display panel comprises an array substrate, an opposite substrate, a liquid crystal layer positioned between the array substrate and the opposite substrate, and a polarizer positioned on one surface of the opposite substrate, which is far away from the liquid crystal layer; silver paste points are arranged in the binding area on the array substrate, and silver paste points corresponding to the silver paste points on the array substrate are arranged at one end, close to the binding area of the array substrate, of the opposite substrate and at one surface, close to the polaroid, of the opposite substrate; the silver paste points are used for coating silver paste and electrically connecting the array substrate and the opposite substrate; the polarizer has an opening in a region corresponding to the silver paste dot on the counter substrate. The opening design is made in the area of the corresponding silver paste point on the opposite direction substrate on the polaroid, so that the area of coating the silver paste point with the silver paste is increased, the contact between the polaroid and the silver paste point-coated silver paste can be avoided, the adhesion of the silver paste point to the polaroid can be avoided in the whole machine manufacturing process and the use, the influence on the conductivity of the silver paste point due to the damage and the fracture of the silver paste point caused by the external force impact or the thermal shock of the polaroid can be prevented, and the good conduction performance between the array substrate and the opposite direction substrate is ensured.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations 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 include such modifications and variations.
Claims (10)
1. A display panel, comprising: the liquid crystal display panel comprises an array substrate, an opposite substrate, a liquid crystal layer positioned between the array substrate and the opposite substrate, and a polarizer positioned on one surface of the opposite substrate, which is far away from the liquid crystal layer; the method is characterized in that:
silver paste points are arranged in the binding area on the array substrate, and silver paste points corresponding to the silver paste points on the array substrate are arranged at one end, close to the binding area of the array substrate, of the opposite substrate and at one surface, close to the polarizer, of the opposite substrate; the silver paste points are used for coating silver paste and electrically connecting the array substrate and the opposite substrate;
an opening is formed in the area, corresponding to the silver paste points on the opposite substrate, of the polarizer, and the opposite substrate is overlapped with the polarizer.
2. The display panel of claim 1, wherein the bonding area on the array substrate is provided with two silver paste dots, one end of the opposite substrate close to the bonding area of the array substrate is provided with two silver paste dots corresponding to the two silver paste dots on the array substrate, and one surface of the opposite substrate close to the polarizer is provided with two silver paste dots corresponding to the two silver paste dots on the array substrate; the regions of the polarizer corresponding to the two silver paste points on the opposite substrate are respectively provided with an opening.
3. The display panel according to claim 2, wherein the polarizer faces a surface of the opposite substrate, a conductive adhesive is disposed between the two openings, and the conductive adhesive is electrically connected to the two silver paste dots.
4. The display panel according to any one of claims 1 to 3, wherein the opening has a V-shape or a U-shape.
5. The display panel of claim 1, wherein the silver paste dot coated silver paste comprises a paste material.
6. The display panel of claim 5, wherein the adhesive material is a resin or an adhesive.
7. The display panel of claim 3, wherein the conductive adhesive is a mixture of a resin, a binder, and a metal powder.
8. The display panel of claim 7, wherein the metal powder is one or more of nickel, gold, nickel gold plating, and gold tin alloy.
9. The display panel of claim 1, wherein the opening extends into the display area no further than a boundary between the display area and the peripheral area.
10. A display device characterized by comprising the display panel according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610439632.7A CN105892177B (en) | 2016-06-17 | 2016-06-17 | Display panel and display device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610439632.7A CN105892177B (en) | 2016-06-17 | 2016-06-17 | Display panel and display device |
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| CN105892177A CN105892177A (en) | 2016-08-24 |
| CN105892177B true CN105892177B (en) | 2020-04-17 |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2022036345A (en) * | 2018-10-18 | 2022-03-08 | 株式会社ジャパンディスプレイ | Display device |
| CN111025792A (en) * | 2019-12-20 | 2020-04-17 | 章思 | Liquid crystal film structure and processing method |
| US11675227B2 (en) | 2020-03-20 | 2023-06-13 | Boe Technology Group Co., Ltd. | Metal wire grid polarizer and manufacturing method thereof, display device |
| CN111665659A (en) * | 2020-06-11 | 2020-09-15 | 上海创功通讯技术有限公司 | LCM module and display screen |
| CN112068344B (en) * | 2020-09-14 | 2022-02-22 | 武汉华星光电半导体显示技术有限公司 | Display device and preparation method thereof |
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| JP4916852B2 (en) * | 2006-11-29 | 2012-04-18 | 株式会社 日立ディスプレイズ | LCD with touch panel |
| CN202013461U (en) * | 2011-04-29 | 2011-10-19 | 广东欧珀移动通信有限公司 | Structure capable of improving electro-static discharge (ESD) performance of display screen of mobile phone |
| JP5618939B2 (en) * | 2011-07-29 | 2014-11-05 | 株式会社ジャパンディスプレイ | Liquid crystal display |
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| JP2008299161A (en) * | 2007-06-01 | 2008-12-11 | Epson Imaging Devices Corp | Electro-optical device, manufacturing method therefor, and electronic equipment |
| CN102053415A (en) * | 2009-10-29 | 2011-05-11 | 索尼公司 | Horizontal-electric-field liquid crystal display apparatus |
| CN204203576U (en) * | 2014-10-09 | 2015-03-11 | 群创光电股份有限公司 | Display device |
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