WO2020215420A1 - 基板的配向涂布结构及方法 - Google Patents

基板的配向涂布结构及方法 Download PDF

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Publication number
WO2020215420A1
WO2020215420A1 PCT/CN2019/087747 CN2019087747W WO2020215420A1 WO 2020215420 A1 WO2020215420 A1 WO 2020215420A1 CN 2019087747 W CN2019087747 W CN 2019087747W WO 2020215420 A1 WO2020215420 A1 WO 2020215420A1
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WO
WIPO (PCT)
Prior art keywords
substrate
alignment
hole
blind hole
opening
Prior art date
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Ceased
Application number
PCT/CN2019/087747
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English (en)
French (fr)
Inventor
马贵智
李永凯
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Wuhan China Star Optoelectronics Technology Co Ltd
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Wuhan China Star Optoelectronics Technology Co Ltd
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Application filed by Wuhan China Star Optoelectronics Technology Co Ltd filed Critical Wuhan China Star Optoelectronics Technology Co Ltd
Priority to US16/488,591 priority Critical patent/US11474399B2/en
Publication of WO2020215420A1 publication Critical patent/WO2020215420A1/zh
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • 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
    • G02F1/133711—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers by organic films, e.g. polymeric films
    • G02F1/133723—Polyimide, polyamide-imide
    • 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
    • G02F1/133711—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers by organic films, e.g. polymeric films
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D1/00—Processes for applying liquids or other fluent materials
    • B05D1/28—Processes for applying liquids or other fluent materials performed by transfer from the surfaces of elements carrying the liquid or other fluent material, e.g. brushes, pads, rollers
    • 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
    • G02F1/1303—Apparatus specially adapted to the manufacture of LCDs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D1/00—Processes for applying liquids or other fluent materials
    • B05D1/28—Processes for applying liquids or other fluent materials performed by transfer from the surfaces of elements carrying the liquid or other fluent material, e.g. brushes, pads, rollers
    • B05D1/286—Processes for applying liquids or other fluent materials performed by transfer from the surfaces of elements carrying the liquid or other fluent material, e.g. brushes, pads, rollers using a temporary backing to which the coating has been applied
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D2505/00—Polyamides
    • B05D2505/50—Polyimides
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K2323/00—Functional layers of liquid crystal optical display excluding electroactive liquid crystal layer characterised by chemical composition
    • C09K2323/02—Alignment layer characterised by chemical composition
    • C09K2323/027—Polyimide

Definitions

  • the invention relates to the field of display technology, in particular to a substrate alignment coating structure and method.
  • Liquid crystal display panels usually coat polyimide (PI, Polyimide) liquid on thin film transistor substrates and color filter substrates, and form a pretilt angle by rubbing or photo-etching techniques to provide a bearing angle for the liquid crystal molecules .
  • the polyimide coating process in the prior art mainly adopts the following methods: uniformly distribute the polyimide liquid on the alignment plate (APR plate), and then pass the polyimide liquid through the roller (Roller plate) through the alignment plate. ) Transfer to a thin film transistor or a color film substrate to complete the alignment coating of polyimide.
  • the present invention provides a substrate alignment coating structure and method, by providing openings on the alignment plate, during the alignment coating, the openings are aligned with the blind holes, so that the blind holes on the substrate
  • the polyimide solution cannot be printed, which increases the disorder of the liquid crystal arrangement at the blind hole position, which makes the optical path scattered to a certain extent, thereby avoiding the occurrence of Newton's rings and rainbow stripes.
  • the present invention provides an alignment coating structure for substrates, including at least one substrate, each substrate has a blind hole; an alignment plate with at least one opening; the alignment plate corresponds to the coating On the substrate, and the opening corresponds to the blind hole; and a printing mechanism for transferring the polyimide liquid on the alignment plate to the substrate according to a preset printing direction The area outside the blind hole.
  • the blind hole is a round hole with a radius of R; the opening is a round hole with a radius of R ⁇ 5000um.
  • the opening is an elliptical hole
  • the short radius of the elliptical hole is parallel to the printing direction
  • the long radius of the elliptical hole is perpendicular to the printing direction
  • the blind hole is a round hole with a radius R; the long radius of the elliptical hole is R ⁇ 5000um, and the short radius of the elliptical hole is smaller than the long radius of the elliptical hole. -2000um.
  • the substrate has a plurality of substrates arranged in an array
  • the alignment plate has the same number of printing units as the substrates
  • each printing unit has one of the openings
  • each The printing unit corresponds to a substrate
  • the opening on each printing unit corresponds to the blind hole on the substrate.
  • the substrate includes at least one of an array substrate and a color filter substrate.
  • the present invention also provides a substrate alignment coating method, including the following steps: at least one substrate and an alignment plate are provided, each substrate has a blind hole, the alignment plate has at least one opening; and the alignment plate corresponds to Cover the substrate with the opening corresponding to the blind hole; apply the polyimide liquid on the alignment plate; use the printing mechanism to apply the polyimide liquid on the alignment plate in a preset printing direction Transfer to the area outside the blind hole on the substrate.
  • the substrates when there are multiple substrates, the substrates are arranged in an array; the alignment plate has the same number of printing units as the substrates, and each printing unit has one of the openings, When the alignment plate is correspondingly covered on the substrate, each printing unit corresponds to a substrate, and the opening on each printing unit corresponds to the blind hole on the substrate.
  • the blind hole is a round hole with a radius of R; the opening is a round hole with a radius of R ⁇ 5000um; when the alignment plate is correspondingly covered on the substrate, the The center of the blind hole is aligned with the center of the opening.
  • the opening is an elliptical hole, the direction of the short radius of the elliptical hole is parallel to the printing direction, and the direction of the long radius of the elliptical hole is perpendicular to the printing direction;
  • the blind hole is a round hole with a radius R; the long radius of the elliptical hole is R ⁇ 5000um, and the short radius of the elliptical hole is 0-2000um smaller than the long radius of the elliptical hole;
  • the center of the blind hole is aligned with the center of the opening.
  • the digging radius of the alignment plate is R ⁇ 5000um.
  • the reason is that there are differences in the machine platform and the hole radius of the alignment plate is different.
  • it should be controlled within ⁇ 5000um to ensure that the image display area around the blind hole 11 can be printed on the polyimide liquid; in the actual design of the alignment plate, it is necessary to consider the deformation of the alignment plate during the printing process, so It needs to be considered when designing, so in the printing direction, the radius of the opening needs to be deducted from the deformation of about 0-2000um, that is, when designing, the opening is an elliptical hole, and the short radius of the elliptical hole is in the direction Parallel to the printing direction; by providing openings on the alignment plate, the openings are aligned with the blind holes during the alignment coating, so that the polyimide solution at the blind holes on the substrate cannot be printed, thereby increasing the blindness
  • Fig. 1 is a top view of a substrate in an embodiment of the present invention.
  • FIG. 2 is a top view of the alignment plate of Embodiment 1 of the present invention, and the arrow direction in the figure is the printing direction.
  • Example 3 is a schematic diagram of the alignment coating structure of the substrate in Example 1 of the present invention, and the arrow direction is the printing direction.
  • FIG. 4 is a top view of the alignment plate of Embodiment 2 of the present invention, and the arrow direction in the figure is the printing direction.
  • FIG. 5 is a schematic diagram of the alignment coating structure of the substrate of Embodiment 3 of the present invention, and the arrow direction is the printing direction.
  • the alignment coating structure of the substrate of the present invention includes a substrate 1, an alignment plate 2a, and a printing mechanism 3.
  • the substrate 1 includes at least one of an array substrate and a color filter substrate.
  • the substrate 1 has a blind hole 11 for the under-screen camera to transmit light.
  • a substrate 1 as an example, such as an array substrate or a color filter substrate, as an example, the alignment coating structure of the substrate of the present invention will be described.
  • the blind hole 11 on the array substrate or the color filter substrate is a round hole, and its radius is set to R.
  • the alignment plate 2a has an opening 21a; before printing and coating the polyimide solution, the alignment plate 2a is covered on the substrate 1, and the opening 21a corresponds to the ⁇ Blind hole 11.
  • the opening 21a is a round hole with a radius of R ⁇ 5000um.
  • the digging radius on the alignment plate 2a is R ⁇ 5000um. This is because of the differences in the machines.
  • the radius of the opening 21a of the alignment plate 2a is different to a certain extent, which is controlled within ⁇ 5000um according to the design requirements; To ensure that the image display area around the blind hole 11 can be printed on the polyimide liquid.
  • the polyimide liquid on the alignment plate 2a is transferred to the outside of the blind hole 11 on the substrate 1 according to a preset printing direction by the printing mechanism 3 area. Since the main design point of this case lies in the design of the opening 21a of the alignment plate 2a, the printing mechanism 3 is a printing structure commonly used by existing equipment, so the specific structure of the printing mechanism 3 will not be repeated.
  • this embodiment also provides a substrate alignment coating method, which specifically includes the following steps: wherein each component or device is shown in FIGS. 1 to 3.
  • a substrate 1 and an alignment plate 2a are provided, each substrate 1 has a blind hole 11, and the alignment plate 2a has at least one opening 21a.
  • the opening 21a is a round hole.
  • the alignment plate 2a on the substrate 1, and the opening 21a corresponds to the blind hole 11, and the center of the blind hole 11 is aligned with the center of the opening 21a to ensure the accuracy of subsequent printing, so that the printing At this time, except for the blind hole 11 area, the rest of the substrate 1 can be printed on the polyimide liquid.
  • a printing mechanism 3 transfers the polyimide liquid on the alignment plate to the area outside the blind hole 11 on the substrate 1 according to a preset printing direction.
  • the position of the blind hole 11 cannot be printed with polyimide liquid, thereby increasing the disorder of the liquid crystal arrangement at the position of the blind hole 11, so that the optical path is scattered to a certain extent, thereby avoiding Newton's ring And the occurrence of rainbow pattern further increases the recognition effect of the camera under the screen.
  • embodiment 2 the difference between embodiment 2 and embodiment 1 is that: in embodiment 2, the problem of deformation of the alignment plate 2b during the printing process needs to be considered, so it needs to be considered when designing.
  • the radius of the opening 21b needs to be deducted from the deformation of about 0-2000um, that is, in the design, the opening 21b is an elliptical hole, and the short radius of the elliptical hole is parallel to the printing direction.
  • the direction of the long radius of the elliptical hole is perpendicular to the printing direction.
  • the long radius of the elliptical hole is R ⁇ 5000um
  • the short radius of the elliptical hole is 0-2000um smaller than the long radius of the elliptical hole.
  • this embodiment also provides a substrate alignment coating method, which specifically includes the following steps, wherein each component or device is shown in Figures 1 and 4, and the substrate alignment coating structure is shown in Figures 3 shown.
  • a substrate 1 and an alignment plate 2b are provided, each substrate 1 has a blind hole 11, and the alignment plate 2b has at least one opening 21b.
  • the opening 21b is an elliptical hole.
  • the alignment plate 2b is covered on the substrate 1, and the opening 21b corresponds to the blind hole 11, and the center of the blind hole 11 is aligned with the center of the opening 21b to ensure the accuracy of subsequent printing, so that the In the hole 11 area, the remaining area of the substrate 1 can be printed to the polyimide liquid.
  • a printing mechanism 3 transfers the polyimide liquid on the alignment plate to the area outside the blind hole 11 on the substrate 1 according to a preset printing direction.
  • Embodiment 3 provides a plurality of substrates 1, the substrates 1 are arranged in an array, and the alignment plate 2c has the same number as the substrate 1.
  • each printing unit 201 has an opening 21c, each printing unit 201 corresponds to a substrate 1, and the opening 21c on each printing unit 201 corresponds to the blind hole 11 on the substrate 1.
  • the design of the blind hole 11 can refer to the design of Embodiment 2 or the design of Embodiment 1, which will not be repeated here.
  • this embodiment also provides a substrate alignment coating method, which specifically includes the following steps: wherein each component or device is shown in FIGS. 1 and 5.
  • a plurality of substrates 1 and an alignment plate 2c are provided, each substrate 1 has a blind hole 11, and the alignment plate 2c has at least one opening 21c.
  • the opening 21c is an elliptical hole.
  • each printing unit 201 corresponds to a substrate 1
  • the opening 21c on each printing unit 201 corresponds to the blind hole 11 on the substrate 1.
  • the alignment plate 2c is covered on the substrate 1, and the opening 21c corresponds to the blind hole 11.
  • the center of the blind hole 11 is aligned with the center of the opening 21c to ensure the accuracy of subsequent printing, so that During printing, except for the blind hole 11 area, the remaining area of the substrate 1 can be printed to the polyimide liquid.
  • a printing mechanism 3 transfers the polyimide liquid on the alignment plate to the area outside the blind hole 11 on the substrate 1 according to a preset printing direction.

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  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Mathematical Physics (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Liquid Crystal (AREA)
  • Printing Methods (AREA)

Abstract

一种基板的配向涂布结构及方法，其中，配向涂布结构包括至少一基板（1），每一基板（1）具有一盲孔（11）；一配向板（2a、2b、2c），具有至少一开孔（21a、21b、21c）；配向板（2a、2b、2c）对应的覆于基板（1）上，且开孔（21a、21b、21c）对应于盲孔（11）；以及印刷机构（3），用以将配向板（2a、2b、2c）上的聚酰亚胺液按照一预设的印刷方向转印到基板（1）上的盲孔（11）之外的区域。该结构及方法使基板盲孔处的聚酰亚胺液得不到印刷，增加盲孔位置的液晶排列紊乱度，使得光程一定程度散乱，避免牛顿环和彩虹纹的发生。

Description

基板的配向涂布结构及方法 技术领域
本发明涉及显示技术领域，具体为一种基板的配向涂布结构及方法。
 背景技术
随着“全面屏”手机设计的流行，提高屏占比是大势所趋。为提高屏占比，市面上出现了多种设计结构，从最初的“刘海屏”到“美人尖/水滴屏”，再到后来的通孔式的屏下摄像设计。
而在提高屏占比的同时，同时面临着成本的压力，尽量的少做孔，才能有效的控制成本，这也是盲孔屏幕设计的由来，这种结构是以取消玻璃面板打孔来降低生产成本。
液晶显示面板通常会在薄膜晶体管基板及彩膜基板上涂布聚酰亚胺(PI，Polyimide)液，并通过摩擦(Rubbing)或光蚀刻技术形成预倾角，从而给液晶分子提供一个承载的角度。现有技术中的聚酰亚胺涂布工艺主要通过以下方式：将聚酰亚胺液均匀地分布在配向板(APR板)上，然后通过配向板把聚酰亚胺液通过辊筒(Roller)转印到薄膜晶体管或者彩膜基板上，进而完成聚酰亚胺的配向涂布。
现有技术中，在聚酰亚胺液配向涂布后，在盲孔部位的液晶排列较为规整，使得摄像头通过玻璃面板的显示效果就会出现不足，譬如在不同视角方向会产生色偏和牛顿环彩虹纹等问题。
 技术问题
为解决上述技术问题：本发明提供一种基板的配向涂布结构及方法，通过在配向板上设置开孔，配向涂布时，使开孔正对盲孔，使基板上的盲孔处的聚酰亚胺液得不到印刷，进而增加盲孔位置的液晶排列紊乱度，使得光程一定程度散乱，进而避免牛顿环和彩虹纹的发生。
 技术解决方案
解决上述问题的技术方案是：本发明提供一种基板的配向涂布结构，包括至少一基板，每一基板具有一盲孔；一配向板，具有至少一开孔；所述配向板对应的覆于所述基板上，且所述开孔对应于所述盲孔；以及印刷机构，用以将所述配向板上的聚酰亚胺液按照一预设的印刷方向转印到所述基板上的盲孔之外的区域。
在本发明一实施例中，所述盲孔为圆孔，其半径为R；所述开孔为圆孔，其半径为R±5000um。
在本发明一实施例中，所述开孔为椭圆孔，所述椭圆孔的短半径所在方向平行于所述印刷方向，所述椭圆孔的长半径所在方向垂直于所述印刷方向。
在本发明一实施例中，所述盲孔为圆孔，其半径为R；所述椭圆孔的长半径为R±5000um，所述椭圆孔的短半径比所述椭圆孔的长半径小0-2000um。
在本发明一实施例中，所述基板具有若干个，且成阵列排布，所述配向板具有与所述基板个数相同的印刷单元，每一印刷单元具有一所述开孔，每一印刷单元对应于一基板，且每一印刷单元上的开孔对应于这一基板上的盲孔。
在本发明一实施例中，所述基板包括阵列基板、彩膜基板中的至少一种。
本发明还提供了一种基板的配向涂布方法，包括以下步骤：提至少一基板和一配向板，每一基板具有一盲孔，所述配向板具有至少一开孔；将配向板对应的覆于基板上，且开孔对应于盲孔；将聚酰亚胺液涂覆于所述配向板上；通过印刷机构将所述配向板上的聚酰亚胺液按照一预设的印刷方向转印到所述基板上的盲孔之外的区域。
在本发明一实施例中，当基板具有多个，将所述基板按照阵列排布；所述配向板具有与所述基板个数相同的印刷单元，每一印刷单元具有一所述开孔，在将配向板对应的覆于基板上时，使每一印刷单元对应于一基板，且每一印刷单元上的开孔对应于这一基板上的盲孔。
在本发明一实施例中，所述盲孔为圆孔，其半径为R；所述开孔为圆孔，其半径为R±5000um；在将配向板对应的覆于基板上时，所述盲孔的中心与所述开孔的中心对齐。
在本发明一实施例中，所述开孔为椭圆孔，所述椭圆孔的短半径所在方向平行于所述印刷方向，所述椭圆孔的长半径所在方向垂直于所述印刷方向；所述盲孔为圆孔，其半径为R；所述椭圆孔的长半径为R±5000um，所述椭圆孔的短半径比所述椭圆孔的长半径小0-2000um；在将配向板对应的覆于基板上时，所述盲孔的中心与所述开孔的中心对齐。
 有益效果
本发明的基板的配向涂布结构及方法，根据制程精度，配向板上的挖孔半径大小为R±5000um的大小，是因为机台存在差异，配向板的开孔的半径大小有一定差异，按设计需要控制在±5000um以内，以确保盲孔11周边的图像显示区域能够印刷到聚酰亚胺液；在配向板实际设计时，需要考虑配向板在印刷过程中会发生形变的问题，因此需要在设计的时候进行考量，故在印刷方向上，开孔的半径需要扣除约0-2000um的形变量，即在设计时，所述开孔为椭圆孔，所述椭圆孔的短半径所在方向平行于所述印刷方向；通过在配向板上设置开孔，配向涂布时，使开孔正对盲孔，使基板上的盲孔处的聚酰亚胺液得不到印刷，进而增加盲孔位置的液晶排列紊乱度，使得光程一定程度散乱，进而避免牛顿环和彩虹纹的发生。
 附图说明
为了更清楚地说明本发明实施例中的技术方案，下面将对实施例描述中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图仅仅是本发明的一些实施例，对于本领域技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其他的附图。
下面结合附图和实施例对本发明作进一步解释。
图1是本发明实施例中的基板的俯视图。
图2是本发明实施例1的配向板的俯视图，图中箭头方向为印刷方向。
图3是本发明实施例1的基板的配向涂布结构示意图，箭头方向为印刷方向。
图4是本发明实施例2的配向板的俯视图，图中箭头方向为印刷方向。
图5是本发明实施例3的基板的配向涂布结构示意图，箭头方向为印刷方向。
附图标记：
1基板；                     11盲孔；
2a、2b、2c配向板；          201印刷单元；
21a、21b、21c开孔；         3印刷机构。
 本发明的实施方式
下面详细描述本发明的实施方式，所述实施方式的示例在附图中示出，其中自始至终相同或类似的标号表示相同或类似的元件或具有相同或类似功能的元件。下面通过参考附图描述的实施方式是示例性的，仅用于解释本发明，而不能理解为对本发明的限制。
实施例1
如图3所示，本发明的基板的配向涂布结构包括一基板1、一配向板2a以及印刷机构3。
如图1所示，所述基板1包括阵列基板、彩膜基板中的至少一种。所述基板1上具有可供屏下摄像头透光的盲孔11。本实施例中，以一个基板1为例，如阵列基板或者彩膜基板为例，对本发明的基板的配向涂布结构进行说明。所述阵列基板或者彩膜基板上的盲孔11为圆孔，其半径为设定为R。
如图2所示，所述配向板2a具有一开孔21a；在印刷涂布聚酰亚胺液前，所述配向板2a覆于所述基板1上，且所述开孔21a对应于所述盲孔11。本实施例中，所述开孔21a为圆孔，其半径为R±5000um。根据制程精度，配向板2a上的挖孔半径大小为R±5000um的大小，是因为机台存在差异，配向板2a的开孔21a的半径大小有一定差异，按设计需要控制在±5000um以内；以确保盲孔11周边的图像显示区域能够印刷到聚酰亚胺液。
如图3所示，在具体实施时，通过印刷机构3将所述配向板2a上的聚酰亚胺液按照一预设的印刷方向转印到所述基板1上的盲孔11之外的区域。由于本案的主要设计要点在于配向板2a的开孔21a设计，因此，印刷机构3为现有设备常用的印刷结构，因此对于印刷机构3的具体结构就不再赘述。
为了清楚的解释本发明，本实施例还提供了基板的配向涂布方法，其具体包括以下步骤：其中各部件或装置参见图1至图3。
提供一基板1和一配向板2a，每一基板1具有一盲孔11，所述配向板2a具有至少一开孔21a。所述开孔21a为圆孔。
将所述配向板2a覆于基板1上，且开孔21a对应于盲孔11，并且所述盲孔11的中心与所述开孔21a的中心对齐，以保证后续印刷时的精度，使得印刷时，除了盲孔11区域，所述基板1的其余区域能够印刷到聚酰亚胺液。
将聚酰亚胺液涂覆于所述配向板2a上；
通过一印刷机构3将所述配向板上的聚酰亚胺液按照一预设的印刷方向转印到所述基板1上的盲孔11之外的区域。
本实施例中，在所述基板1上，使得盲孔11位置得不到印刷聚酰亚胺液，进而增加盲孔11位置的液晶排列紊乱度，使得光程一定程度散乱，进而避免牛顿环和彩虹纹的发生，进一步的增加屏下摄像头的识别效果。
实施例2
如图4所示，实施例2与实施例1的区别在于：在实施例2中，需要考虑配向板2b在印刷过程中会发生形变的问题，因此需要在设计的时候进行考量，故在印刷方向上，开孔21b的半径需要扣除约0-2000um的形变量，即在设计时，所述开孔21b为椭圆孔，所述椭圆孔的短半径所在方向平行于所述印刷方向，所述椭圆孔的长半径所在方向垂直于所述印刷方向。所述椭圆孔的长半径为R±5000um，所述椭圆孔的短半径比所述椭圆孔的长半径小0-2000um。
为了清楚的解释本发明，本实施例还提供了基板的配向涂布方法，其具体包括以下步骤，其中各部件或装置参见图1、图4所示，所述基板的配向涂布结构参见图3所示。
提供一基板1和一配向板2b，每一基板1具有一盲孔11，所述配向板2b具有至少一开孔21b。所述开孔21b为椭圆孔。
将配向板2b覆于基板1上，且开孔21b对应于盲孔11，并且盲孔11的中心与所述开孔21b的中心对齐，以保证后续印刷时的精度，使得印刷时，除了盲孔11区域，所述基板1的其余区域能够印刷到聚酰亚胺液。
将聚酰亚胺液涂覆于所述配向板2b上；
通过一印刷机构3将所述配向板上的聚酰亚胺液按照一预设的印刷方向转印到所述基板1上的盲孔11之外的区域。
实施例3
如图5所示，实施例3与实施例1的区别在于，实施例3提供了多个基板1，所述基板1阵列排布，所述配向板2c具有与所述基板1个数相同的印刷单元201，每一印刷单元201具有一开孔21c，每一印刷单元201对应于一基板1，且每一印刷单元201上的开孔21c对应于这一基板1上的盲孔11。所述盲孔11的设计可以参照实施例2的设计，也可以参照实施例1的设计，对此不再赘述。
为了清楚的解释本发明，本实施例还提供了基板的配向涂布方法，其具体包括以下步骤：其中各部件或装置参见图1、图5所示。
提供多个基板1和一配向板2c，每一基板1具有一盲孔11，所述配向板2c具有至少一开孔21c。所述开孔21c为椭圆孔。
将所有的基板1成阵列排布。在将配向板2c对应的覆于基板1上时，使每一印刷单元201对应于一基板1，且每一印刷单元201上的开孔21c对应于这一基板1上的盲孔11。
将配向板2c覆于基板1上，且开孔21c对应于盲孔11，本实施例中，所述盲孔11的中心与所述开孔21c的中心对齐，以保证后续印刷的精度，使得印刷时，除了盲孔11区域，所述基板1的其余区域能够印刷到聚酰亚胺液。
将聚酰亚胺液涂覆于所述配向板2c上；
通过一印刷机构3将所述配向板上的聚酰亚胺液按照一预设的印刷方向转印到所述基板1上的盲孔11之外的区域。
以上仅为本发明的较佳实施例而已，并不用以限制本发明，凡在本发明的精神和原则之内所作的任何修改、等同替换和改进等，均应包含在本发明的保护范围之内。

Claims (10)

  1. 一种基板的配向涂布结构，其包括
    至少一基板，每一基板具有一盲孔；
    一配向板，具有至少一开孔；所述配向板覆于所述基板上，且所述开孔对应于所述盲孔；以及
    印刷机构，用以将所述配向板上的聚酰亚胺液按照一预设的印刷方向转印到所述基板上的盲孔之外的区域。
  2. 根据权利要求1所述的基板的配向涂布结构，其中，所述盲孔为圆孔，其半径为R；所述开孔为圆孔，其半径为R±5000um。
  3. 根据权利要求1所述的基板的配向涂布结构，其中，所述开孔为椭圆孔，所述椭圆孔的短半径所在方向平行于所述印刷方向，所述椭圆孔的长半径所在方向垂直于所述印刷方向。
  4. 根据权利要求3所述的基板的配向涂布结构，其中，所述盲孔为圆孔，其半径为R；所述椭圆孔的长半径为R±5000um，所述椭圆孔的短半径比所述椭圆孔的长半径小0-2000um。
  5. 根据权利要求1所述的基板的配向涂布结构，其中，包括有多个基板，所述的多个基板呈阵列排布，且每一基板具有一盲孔；所述配向板具有与所述的多个基板个数相同的印刷单元，每一印刷单元具有一所述开孔，每一印刷单元对应于一个基板，且每一印刷单元上的开孔对应于所述基板上的盲孔。
  6. 根据权利要求1所述的基板的配向涂布结构，其中，所述基板包括阵列基板、彩膜基板中的至少一种。
  7. 一种基板的配向涂布方法，其包括以下步骤：
    提供至少一基板和一配向板，每一基板具有一盲孔，所述配向板具有至少一开孔；
    将所述配向板覆于所述基板上，且所述开孔对应于所述盲孔；
    将聚酰亚胺液涂覆于所述配向板上；
    通过印刷机构将所述配向板上的聚酰亚胺液按照一预设的印刷方向转印到所述基板上的盲孔之外的区域。
  8. 根据权利要求7所述的基板的配向涂布方法，其中，当具有多个基板时，将所述基板按照阵列排布；
    所述配向板具有与所述基板个数相同的印刷单元，每一印刷单元具有一所述开孔，
    在将所述配向板覆于所述基板上时，使每一印刷单元对应于一个基板，且每一印刷单元上的开孔对应于所述基板上的盲孔。
  9. 根据权利要求7所述的基板的配向涂布方法，其中，所述盲孔为圆孔，其半径为R；所述开孔为圆孔，其半径为R±5000um；在将所述配向板覆于基板上时，所述盲孔的中心与所述开孔的中心对齐。
  10. 根据权利要求7所述的基板的配向涂布方法，其中，所述开孔为椭圆孔，所述椭圆孔的短半径所在方向平行于所述印刷方向，所述椭圆孔的长半径所在方向垂直于所述印刷方向；所述盲孔为圆孔，其半径为R；所述椭圆孔的长半径为R±5000um，所述椭圆孔的短半径比所述椭圆孔的长半径小0-2000um；在将所述配向板覆于所述基板上时，所述盲孔的中心与所述开孔的中心对齐。
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CN110703505A (zh) * 2019-09-23 2020-01-17 武汉华星光电技术有限公司 转印版、显示面板的制作方法及显示面板
CN111367124B (zh) 2020-02-12 2021-06-01 武汉华星光电技术有限公司 配向膜转印版以及配向膜制造方法
CN111190309B (zh) * 2020-02-27 2021-05-07 武汉华星光电技术有限公司 显示面板及其制备方法、转印装置
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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106950769A (zh) * 2017-03-20 2017-07-14 深圳市华星光电技术有限公司 阵列基板、显示装置
US20190004354A1 (en) * 2017-07-03 2019-01-03 Focaltech Electronics, Ltd High screen ratio display device with fingerprint identification
CN109283717A (zh) * 2018-11-26 2019-01-29 厦门天马微电子有限公司 显示模组和显示装置
CN109545099A (zh) * 2018-11-22 2019-03-29 武汉华星光电技术有限公司 一种液晶显示面板及其终端装置
CN109557726A (zh) * 2018-12-28 2019-04-02 厦门天马微电子有限公司 显示面板及其制造方法、显示装置

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2977198B1 (ja) * 1998-10-20 1999-11-10 日本特殊陶業株式会社 プリント配線板の製造方法
KR100991540B1 (ko) * 2003-12-13 2010-11-04 엘지디스플레이 주식회사 반사투과형 액정표시장치 및 그 제조방법
JP4738368B2 (ja) * 2006-03-17 2011-08-03 日本特殊陶業株式会社 配線基板の製造方法
CN201804175U (zh) * 2010-05-25 2011-04-20 华映视讯（吴江）有限公司 基板结构
CN105785656A (zh) * 2016-04-13 2016-07-20 深圳市华星光电技术有限公司 液晶配向方法及液晶显示面板
CN107718864B (zh) * 2017-10-10 2019-12-03 京东方科技集团股份有限公司 一种转印版及印刷装置

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106950769A (zh) * 2017-03-20 2017-07-14 深圳市华星光电技术有限公司 阵列基板、显示装置
US20190004354A1 (en) * 2017-07-03 2019-01-03 Focaltech Electronics, Ltd High screen ratio display device with fingerprint identification
CN109545099A (zh) * 2018-11-22 2019-03-29 武汉华星光电技术有限公司 一种液晶显示面板及其终端装置
CN109283717A (zh) * 2018-11-26 2019-01-29 厦门天马微电子有限公司 显示模组和显示装置
CN109557726A (zh) * 2018-12-28 2019-04-02 厦门天马微电子有限公司 显示面板及其制造方法、显示装置

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