CN108363243B - Friction alignment substrate, manufacturing method thereof and liquid crystal display panel - Google Patents
Friction alignment substrate, manufacturing method thereof and liquid crystal display panel Download PDFInfo
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- CN108363243B CN108363243B CN201810195048.0A CN201810195048A CN108363243B CN 108363243 B CN108363243 B CN 108363243B CN 201810195048 A CN201810195048 A CN 201810195048A CN 108363243 B CN108363243 B CN 108363243B
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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
- G02F1/1337—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers
- G02F1/13378—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers by treatment of the surface, e.g. embossing, rubbing or light irradiation
- G02F1/133784—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers by treatment of the surface, e.g. embossing, rubbing or light irradiation by rubbing
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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
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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
- G02F2202/00—Materials and properties
- G02F2202/22—Antistatic materials or arrangements
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- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Liquid Crystal (AREA)
Abstract
The invention relates to the technical field of display, and discloses a friction alignment substrate, a manufacturing method thereof and a liquid crystal display panel, which are used for reducing static electricity in a friction alignment process and improving static electricity discharge efficiency, so that the production yield of the liquid crystal display panel is improved. The friction alignment substrate comprises a display area, a bonding area and an auxiliary alignment area which are sequentially arranged, wherein the bonding area is located between the display area and the auxiliary alignment area, the bonding area is provided with a plurality of bonding area through holes which are arranged in an array mode, and the auxiliary alignment area is provided with a plurality of auxiliary through holes.
Description
Technical Field
The invention relates to the technical field of display, in particular to a friction alignment substrate, a manufacturing method thereof and a liquid crystal display panel.
Background
With the rapid development of display technology, various liquid crystal display panels on the market have moved into thousands of households along with mobile phones, smart tablets and the like. At present, when a liquid crystal display panel is manufactured, an alignment film is formed on an alignment substrate of the liquid crystal display panel and is aligned so that long axes of liquid crystal molecules are regularly arranged in the liquid crystal display panel, thereby realizing image display of the liquid crystal display panel.
In the conventional rubbing process, a large amount of static electricity is generated due to high-speed rubbing between the rubbing cloth and the alignment substrate of the liquid crystal display panel, and the array-side circuit of the alignment substrate is damaged by static electricity discharge, so that the production yield of the liquid crystal display panel is influenced.
Disclosure of Invention
The invention provides a rubbing alignment substrate, a manufacturing method thereof and a liquid crystal display panel, which are used for reducing static electricity in a rubbing alignment process and improving static electricity discharge efficiency so as to improve the production yield of the liquid crystal display panel.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides a rubbing alignment base plate, is regional including the display area, the nation decides regional and the supplementary region of joining in marriage who arranges in proper order, wherein, the nation decides regional be located the display area with the supplementary region of joining in marriage is between, it has the nation decides regional via hole that a plurality of arrays were arranged to bind the region, supplementary regional a plurality of supplementary via holes that have of joining in marriage.
In the rubbing process of the liquid crystal panel, a large amount of static electricity is generated due to the high-speed rubbing between the rubbing cloth and the alignment substrate, and the static electricity, if released in the display area and the bonding area of the substrate, may damage the pixel circuits of the alignment substrate. The bonding area of the alignment substrate is provided with a plurality of bonding area through holes, so that static electricity generated by rubbing alignment is easily introduced into the display area to damage the pixel display circuit. In the rubbing alignment substrate provided by the embodiment of the invention, the auxiliary alignment region is arranged outside the display region and the bonding region of the substrate, and the auxiliary alignment region is provided with a plurality of auxiliary through holes which can guide static electricity, so that the static electricity entering the display region of the alignment substrate is greatly reduced, and the production yield of the liquid crystal display panel is improved.
Preferably, the display area has a plurality of pixel display units arranged in an array, wherein an array side line is arranged outside the plurality of pixel display units of the display area, and the plurality of pixel display units are electrically connected with the plurality of bonding area via holes through the array side line.
Preferably, the display region is provided with an alignment film.
Preferably, the surface of the auxiliary alignment region is coated with a transparent electrode layer.
Preferably, the transparent electrode layer is grounded through the auxiliary via hole.
The embodiment of the invention also provides a liquid crystal display panel which comprises the rubbing alignment substrate. According to the liquid crystal display panel provided by the embodiment of the invention, the auxiliary alignment area is arranged outside the display area and the bonding area of the substrate, the auxiliary alignment area is provided with a plurality of auxiliary through holes, and the auxiliary through holes can guide static electricity, so that the static electricity entering the display area of the alignment substrate is greatly reduced, and the production yield of the liquid crystal display panel is improved.
The embodiment of the invention also provides a manufacturing method of the friction alignment substrate, which comprises the following steps:
forming a bonding area through hole in a bonding area on a glass substrate;
forming auxiliary via holes in the auxiliary alignment area on the glass substrate;
a pixel display unit is formed in the display area.
According to the friction alignment substrate manufactured by the manufacturing method provided by the embodiment of the invention, the plurality of auxiliary through holes are formed in the display area of the substrate and the auxiliary alignment area outside the bonding area, and the auxiliary through holes can guide static electricity, so that the static electricity entering the display area of the alignment substrate is greatly reduced, and the production yield of the liquid crystal display panel is improved.
Preferably, the method for manufacturing a rubbing alignment substrate further includes: and coating alignment liquid on the display area of the glass substrate to form an alignment film.
Preferably, the method for manufacturing a rubbing alignment substrate further includes:
the auxiliary alignment area of the glass substrate is coated with a transparent electrode layer;
and the transparent electrode layer of the auxiliary alignment area is arranged in a grounding mode.
Preferably, in the method for manufacturing a rubbing alignment substrate, after the rubbing alignment substrate is aligned, the method further includes:
and cutting off the auxiliary alignment area of the glass substrate.
Drawings
Fig. 1 is a schematic structural diagram of a rubbing alignment substrate according to an embodiment of the invention;
FIG. 2 is a schematic structural diagram of a rubbing alignment substrate according to another embodiment of the present disclosure;
FIG. 3 is a flow chart of a method for fabricating a rubbing alignment substrate according to another embodiment of the present invention;
FIG. 4 is a flow chart of a method for fabricating a rubbing alignment substrate according to a preferred embodiment of the present invention;
fig. 5 is a schematic structural diagram of a rubbing alignment substrate in a manufacturing process according to an embodiment of the present invention.
Reference numerals:
1-rubbing alignment substrate
2-bonding region via hole
3-auxiliary vias
4-pixel display unit
5-array side line
AA-display area
BA-bonding area
SA-assisted alignment region
Detailed Description
In order to reduce static electricity in a rubbing alignment process and improve static electricity discharge efficiency, and thus improve the production yield of a liquid crystal display panel, the embodiment of the invention provides a rubbing alignment substrate, a manufacturing method thereof and a liquid crystal display panel. In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail by referring to the following examples.
Referring to fig. 1, a rubbing alignment substrate 1 according to an embodiment of the present invention includes a display area AA, a bonding area BA, and an auxiliary alignment area SA, which are sequentially arranged, wherein the bonding area BA is located between the display area AA and the auxiliary alignment area SA, the bonding area BA has a plurality of bonding area vias 2 arranged in an array, and the auxiliary alignment area SA has a plurality of auxiliary vias 3.
In the rubbing process of the lcd panel, a large amount of static electricity is generated due to the high-speed rubbing between the rubbing cloth and the alignment substrate, and the static electricity, if discharged in the display area AA and the bonding area BA of the substrate, may damage the pixel circuits of the alignment substrate. The bonding area BA of the alignment substrate is provided with a plurality of bonding area through holes 2, so that static electricity generated by rubbing alignment is easily introduced into the display area AA to damage the pixel display circuit. In the rubbing alignment substrate provided by the embodiment of the invention, the auxiliary alignment area SA is arranged outside the display area AA and the bonding area BA of the substrate, the auxiliary alignment area SA is provided with the plurality of auxiliary through holes 3, and the auxiliary through holes 3 can guide static electricity, so that the static electricity entering the display area AA of the alignment substrate is greatly reduced, and the production yield of the liquid crystal display panel is improved.
In a preferred embodiment of the present invention, an alignment film is disposed in the display area AA of the rubbing alignment substrate 1. The rubbing cloth for rubbing the alignment substrate is not specifically limited in the embodiments of the present invention, and the material of the rubbing cloth includes any material having a regular surface, such as natural polymer materials or artificial polymer materials, such as wood, sponge, rubber, cotton, wool, leather, silk, protein, enzyme, starch, and cellulose, and can be selected according to actual conditions. The rubbing alignment procedure was as follows: step one, the rubbing alignment substrate is placed on a bearing platform; secondly, the bearing platform drives the friction alignment substrate to move along a preset direction; and step three, when the bearing platform moves to the alignment position, the rubbing cloth is contacted with the alignment film of the rubbing alignment substrate, and the alignment film finishes rubbing alignment through the movement of the rubbing alignment substrate. The specific length of the rubbing cloth can be determined according to the material of the rubbing cloth and the moving speed of the bearing platform. In the actual alignment process, the rubbing cloth is preferably used in the rubbing alignment direction to contact the auxiliary via hole of the auxiliary alignment region first and then contact the via hole of the bonding region.
Further, in the embodiment of the present invention, the surface of the auxiliary alignment region SA of the rubbing alignment substrate is coated with the transparent electrode layer. The transparent electrode layer is coated on the auxiliary alignment area, so that the electrostatic dredging capability of the area can be further improved. More preferably, the transparent electrode layer is grounded through the auxiliary via. The auxiliary via hole arranged in a grounding mode can improve the electrostatic capacity conducted and borne by the auxiliary via hole. The embodiment of the invention does not specifically limit the aperture of the auxiliary via hole, and a large number of experiments of the inventor prove that the larger the aperture of the auxiliary via hole is, the stronger the dredging capability of the auxiliary via hole on static electricity is.
In another embodiment of the present invention, as shown in fig. 2, the display area AA of the rubbing alignment substrate 1 has a plurality of pixel display units 4 arranged in an array, wherein the plurality of pixel display units 4 of the display area AA have an array-side line 5 at the outer side thereof, and the plurality of pixel display units 4 are electrically connected to the plurality of bonding area vias 2 through the array-side line 5. The pixel display unit is controlled to display pictures by the power-on and power-off of the through holes of the bonding area in the display area, when rubbing alignment is carried out, a large amount of static electricity can be accumulated on the surfaces of the rubbing cloth and the rubbing alignment substrate, and the static electricity can damage the pixel display unit through the through holes of the bonding area, so that the yield of the display panel is influenced.
The embodiment of the invention also provides a manufacturing method of the friction alignment substrate, and with reference to fig. 3, the manufacturing method comprises the following steps:
step S1: forming a bonding area through hole in a bonding area on a glass substrate;
step S2: forming auxiliary via holes in the auxiliary alignment area on the glass substrate;
step S3: a pixel display unit is formed in the display area.
According to the friction alignment substrate manufactured by the manufacturing method provided by the embodiment of the invention, the plurality of auxiliary through holes are formed in the display area of the substrate and the auxiliary alignment area outside the bonding area, and the auxiliary through holes can guide static electricity, so that the static electricity entering the display area of the alignment substrate is greatly reduced, and the production yield of the liquid crystal display panel is improved.
In another embodiment of the present invention, as shown in fig. 4, the method for manufacturing a rubbing alignment substrate further includes:
step S4: and coating alignment liquid on the display area of the glass substrate to form an alignment film.
Further, in the method for manufacturing a rubbing alignment substrate provided in the embodiment of the present invention, the method further includes:
step S4: the auxiliary alignment area of the glass substrate is coated with a transparent electrode layer;
step S5: and the transparent electrode layer of the auxiliary alignment area is arranged in a grounding mode.
During rubbing alignment, a large amount of static electricity is accumulated on the surfaces of the rubbing cloth and the rubbing alignment substrate, and the static electricity may damage the pixel display unit through the via hole of the bonding area, thereby affecting the yield of the display panel. The auxiliary alignment area is coated with the transparent electrode layer, so that the electrostatic dredging capability of the area can be further improved; the auxiliary via hole arranged in a grounding mode can improve the electrostatic capacity conducted and borne by the auxiliary via hole.
Preferably, in the method for manufacturing a rubbing alignment substrate, after the rubbing alignment substrate is aligned, the method further includes step S7: and cutting off the auxiliary alignment area of the glass substrate.
Referring to fig. 5, at the beginning of the manufacture of the rubbing alignment substrate, a large glass substrate is formed, then the fine structures of the display area AA, the bonding area BA and the auxiliary alignment area SA are gradually formed on the glass substrate, and then the alignment operation of the rubbing alignment substrate is performed, and finally the whole glass substrate is cut and the auxiliary alignment area is cut off to form a block of rubbing alignment substrate 1.
It will be apparent to those skilled in the art that various changes and modifications may be made in the embodiments of 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 friction alignment substrate is characterized by comprising a display area, a binding area and an auxiliary alignment area which are sequentially arranged, wherein the binding area is positioned between the display area and the auxiliary alignment area, the binding area is provided with a plurality of binding area through holes which are arranged in an array manner, and the auxiliary alignment area is provided with a plurality of auxiliary through holes;
along the rubbing direction, supplementary regional, the bonding region of joining in marriage, the display area of joining in marriage arranges in proper order, just in the supplementary regional of joining in marriage, every supplementary via hole forms an electrostatic drainage channel along the thickness direction of substrate, and every supplementary via hole ground connection sets up.
2. The rubbing alignment substrate of claim 1, wherein the display region has a plurality of pixel display units arranged in an array, and wherein an array side line is disposed outside the plurality of pixel display units of the display region, and the plurality of pixel display units are electrically connected to the plurality of bonding area vias through the array side line.
3. Rubbing alignment substrate according to claim 1, wherein the display area is provided with an alignment film.
4. The rubbing alignment substrate of claim 1, wherein the auxiliary alignment region is surface coated with a transparent electrode layer.
5. The rubbing alignment substrate of claim 4, wherein the transparent electrode layer is disposed through the auxiliary via to ground.
6. A liquid crystal display panel comprising the rubbing alignment substrate according to any one of claims 1 to 5.
7. A method for manufacturing a rubbing alignment substrate, wherein the rubbing alignment substrate is the rubbing alignment substrate according to any one of claims 1 to 5, comprising:
forming a bonding area through hole in a bonding area on a glass substrate;
forming auxiliary via holes in the auxiliary alignment area on the glass substrate;
a pixel display unit is formed in the display area.
8. The method of claim 7, further comprising:
and coating alignment liquid on the display area of the glass substrate to form an alignment film.
9. The method of claim 8, further comprising:
a transparent electrode layer is coated on the auxiliary alignment area of the glass substrate;
the transparent electrode layer of the auxiliary alignment area is grounded.
10. The method according to claim 7, further comprising, after aligning the rubbing alignment substrate:
and cutting off the auxiliary alignment area of the glass substrate.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810195048.0A CN108363243B (en) | 2018-03-09 | 2018-03-09 | Friction alignment substrate, manufacturing method thereof and liquid crystal display panel |
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| CN201810195048.0A CN108363243B (en) | 2018-03-09 | 2018-03-09 | Friction alignment substrate, manufacturing method thereof and liquid crystal display panel |
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| CN108363243A CN108363243A (en) | 2018-08-03 |
| CN108363243B true CN108363243B (en) | 2021-11-23 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109407412B (en) * | 2018-12-18 | 2022-05-06 | 信利半导体有限公司 | Friction alignment substrate |
| CN109991788B (en) * | 2019-03-21 | 2021-08-06 | 厦门天马微电子有限公司 | Display panel and display device |
| CN111179743B (en) * | 2020-02-19 | 2022-01-25 | 京东方科技集团股份有限公司 | Display substrate and display device |
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| CN201654400U (en) * | 2010-05-19 | 2010-11-24 | 北京京东方光电科技有限公司 | Platform of friction equipment |
| CN104570493A (en) * | 2015-01-22 | 2015-04-29 | 合肥京东方光电科技有限公司 | Array substrate motherboard, manufacturing method of array substrate motherboard and static electricity elimination device |
| CN104914613A (en) * | 2014-03-14 | 2015-09-16 | 群创光电股份有限公司 | Display device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7450213B2 (en) * | 2006-06-29 | 2008-11-11 | Lg Display Co., Ltd. | Methods of manufacturing liquid crystal display devices |
| KR101319327B1 (en) * | 2006-12-29 | 2013-10-16 | 엘지디스플레이 주식회사 | Method For Bonding Substrate |
| KR100817366B1 (en) * | 2007-04-11 | 2008-03-26 | 비오이 하이디스 테크놀로지 주식회사 | A color filter substrate for lcd and method for fabricating the same |
| CN102866539B (en) * | 2011-07-05 | 2016-03-16 | 上海天马微电子有限公司 | The substrate alignment method of display panels, display panels and substrate thereof |
| CN202183003U (en) * | 2011-08-19 | 2012-04-04 | 北京京东方光电科技有限公司 | Anti-static structure of array substrate |
| CN103913895B (en) * | 2014-04-18 | 2016-08-24 | 京东方科技集团股份有限公司 | Friction cloth aging improvement equipment |
| CN105549284B (en) * | 2016-02-19 | 2018-09-11 | 京东方科技集团股份有限公司 | Display panel and display device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201654400U (en) * | 2010-05-19 | 2010-11-24 | 北京京东方光电科技有限公司 | Platform of friction equipment |
| CN104914613A (en) * | 2014-03-14 | 2015-09-16 | 群创光电股份有限公司 | Display device |
| CN104570493A (en) * | 2015-01-22 | 2015-04-29 | 合肥京东方光电科技有限公司 | Array substrate motherboard, manufacturing method of array substrate motherboard and static electricity elimination device |
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