WO2020191831A1 - 母板结构及液晶显示面板的制作方法 - Google Patents

母板结构及液晶显示面板的制作方法 Download PDF

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Publication number
WO2020191831A1
WO2020191831A1 PCT/CN2019/083057 CN2019083057W WO2020191831A1 WO 2020191831 A1 WO2020191831 A1 WO 2020191831A1 CN 2019083057 W CN2019083057 W CN 2019083057W WO 2020191831 A1 WO2020191831 A1 WO 2020191831A1
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WIPO (PCT)
Prior art keywords
conductive adhesive
substrate
substrates
motherboard
liquid crystal
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Application number
PCT/CN2019/083057
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English (en)
French (fr)
Inventor
苑春歌
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深圳市华星光电技术有限公司
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Publication of WO2020191831A1 publication Critical patent/WO2020191831A1/zh

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Classifications

    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL 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
    • G02F1/00Devices 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
    • G02F1/01Devices 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 
    • G02F1/13Devices 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
    • G02F1/133Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL 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
    • G02F1/00Devices 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
    • G02F1/01Devices 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 
    • G02F1/13Devices 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
    • G02F1/133Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333Constructional arrangements; Manufacturing methods
    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL 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
    • G02F1/00Devices 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
    • G02F1/01Devices 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 
    • G02F1/13Devices 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
    • G02F1/133Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333Constructional arrangements; Manufacturing methods
    • G02F1/1339Gaskets; Spacers; Sealing of cells
    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL 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
    • G02F1/00Devices 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
    • G02F1/01Devices 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 
    • G02F1/13Devices 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
    • G02F1/133Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333Constructional arrangements; Manufacturing methods
    • G02F1/1343Electrodes
    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL 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
    • G02F1/00Devices 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
    • G02F1/01Devices 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 
    • G02F1/13Devices 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
    • G02F1/133Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/136Liquid crystal cells structurally associated with a semi-conducting layer or substrate, e.g. cells forming part of an integrated circuit
    • G02F1/1362Active matrix addressed cells

Definitions

  • the present invention relates to the field of display technology, and in particular to a method for manufacturing a motherboard structure and a liquid crystal display panel.
  • LCD Liquid Crystal Display
  • liquid crystal display devices which include a liquid crystal display panel and a backlight module.
  • the working principle of the liquid crystal display panel is to place liquid crystal molecules between two parallel glass substrates. There are many vertical and horizontal small wires between the two glass substrates. The liquid crystal molecules are controlled to change direction by powering on or not, and the light of the backlight module Refraction produces a picture.
  • the liquid crystal display panel consists of a color film substrate (CF, Color Filter), a thin film transistor substrate (TFT, Thin Film Transistor), liquid crystal (LC, Liquid Crystal) sandwiched between the color film substrate and the thin film transistor substrate, and a sealant frame (Sealant).
  • the molding process generally includes: the front-end array (Array) process (film, yellow light, etching And peeling), the middle-stage cell process (the bonding of the TFT substrate and the CF substrate) and the back-end module assembly process (the pressing of the driver IC and the printed circuit board).
  • the front Array process is mainly to form TFT substrates to control the movement of liquid crystal molecules;
  • the middle cell process is mainly to add liquid crystal between the TFT substrate and the CF substrate;
  • the back module assembly process is mainly to drive IC pressing and printed circuits
  • the integration of the panel drives the rotation of the liquid crystal molecules to display images.
  • Optical alignment is a commonly used alignment direction at present, specifically: adding a certain voltage to the upper and lower substrates, the liquid crystal feels the voltage and deflects, and then A certain amount of ultraviolet light is irradiated to align the liquid crystal to form a pretilt angle; among them, when the substrate is powered on, generally only one side of the substrate can be energized, and the voltage of the other side of the substrate is through the conductive tape connecting the two substrates.
  • the outer loop seal 100 has multiple openings 101, and the conductive rubber strip 300 is located outside the main rubber frame 200 in the outer rubber frame 100.
  • the alignment process needs to be in the mother board structure
  • the opposing mother board matched with the mother board structure is carried out after forming the box, and the process of forming the box needs to go through the steps of vacuum bonding and vacuum breaking.
  • the airflow will enter the outer frame from the opening 101
  • the inside of the plastic frame 100 impacts the conductive rubber strip 300, causing the conductive rubber strip 300 to deform or peel off (Peeling), resulting in poor contact between the two substrates connected to the LCD panel, and the voltage cannot be conducted between the two substrates, resulting in product failure
  • the bending of the substrate may also cause peeling of the conductive adhesive strip 200, resulting in product failure.
  • the purpose of the present invention is to provide a mother board structure, which can prevent the conductive rubber strip from being deformed or falling off and prevent product defects.
  • the purpose of the present invention is also to provide a method for manufacturing a liquid crystal display panel, which can prevent the conductive adhesive strip from being deformed or falling off and prevent product defects.
  • the present invention provides a motherboard structure, including: a first motherboard and a plurality of main plastic frames arranged on the first motherboard, a peripheral plastic frame, a plurality of conductive adhesive strips and a plurality of Protective plastic frame;
  • the outer plastic frame is arranged around the edge of the first mother board, and a plurality of openings arranged at intervals are provided on the outer plastic frame;
  • the first mother board includes a plurality of first substrates arranged in an array, each main plastic frame is correspondingly arranged around a first substrate, and a conductive adhesive strip is provided corresponding to each first substrate, and the plurality of protective plastic frames are sealed Surround the respective conductive adhesive strips.
  • the first substrates in one row have a first size
  • the first substrates in the other row have a second size
  • the first size is different from the first size.
  • the conductive adhesive strip group is correspondingly located on one side of the first substrate with the second size among the two adjacent first substrates and is located outside the main plastic frame surrounding the first substrate with the second size.
  • the number of the protective rubber frames is equal to the number of the conductive rubber strip groups, and each protective rubber frame sealingly surrounds a conductive rubber strip group and a main rubber frame on one side of the conductive rubber strip group.
  • the number of the protective rubber frame is equal to the number of rows of the conductive rubber strip group, and each protective rubber frame sealingly surrounds a row of conductive rubber strip group and a row of main rubber frames corresponding to the row of conductive rubber strip group.
  • the present invention also provides a method for manufacturing a liquid crystal display panel, including the following steps:
  • Step S1 providing a first motherboard, the first motherboard including a plurality of first substrates arranged in an array;
  • Step S2 A plurality of main plastic frames are arranged on the first mother board, and each main plastic frame is correspondingly arranged around a first substrate, and liquid crystal material is dropped into each main plastic frame;
  • Step S3 setting a peripheral plastic frame on the first motherboard, the peripheral plastic frame is arranged around the edge of the first motherboard, and the peripheral plastic frame is provided with a plurality of openings arranged at intervals;
  • Step S4 A plurality of conductive adhesive strips are arranged on the first motherboard, and each conductive adhesive strip is connected to a first substrate correspondingly;
  • Step S5 setting a plurality of protective rubber frames on the first mother board, the plurality of protective rubber frames sealingly surrounding the respective conductive rubber strips;
  • Step S6 providing a second motherboard, the second motherboard including a plurality of second substrates arranged in an array;
  • Step S7 vacuum bonding the second mother board and the first mother board, so that each first substrate is bonded to a second substrate correspondingly, after the bonding is completed, the vacuum is broken to obtain a plurality of liquid crystal display panels.
  • the first substrates in one row have a first size
  • the first substrates in the other row have a second size
  • the first size is different from the first size.
  • the conductive adhesive strip group is correspondingly located on one side of the first substrate with the second size among the two adjacent first substrates and is located outside the main plastic frame surrounding the first substrate with the second size.
  • the number of the protective rubber frames is equal to the number of the conductive rubber strip groups, and each protective rubber frame sealingly surrounds a conductive rubber strip group and a main rubber frame on one side of the conductive rubber strip group.
  • the number of the protective rubber frame is equal to the number of rows of the conductive rubber strip group, and each protective rubber frame sealingly surrounds a row of conductive rubber strip group and a row of main rubber frames corresponding to the row of conductive rubber strip group.
  • the liquid crystal material is a photosensitive liquid crystal material.
  • the manufacturing method of the liquid crystal display panel further includes:
  • Step S8 applying an alignment signal to each of the first substrates, and at the same time transmitting the alignment signal to the corresponding second substrate through the conductive adhesive strip;
  • Step S9 irradiating the liquid crystal materials in the respective liquid crystal display panels with ultraviolet light to perform alignment.
  • the beneficial effects of the present invention provides a motherboard structure.
  • the mother board structure includes: a first mother board and a plurality of main plastic frames arranged on the first mother board, a peripheral plastic frame, a plurality of conductive adhesive strips, and a plurality of protective plastic frames;
  • the peripheral plastic frame It is arranged around the edge of the first mother board, and the peripheral plastic frame is provided with a plurality of openings arranged at intervals;
  • the first mother board includes a plurality of first substrates arranged in an array, and each main plastic frame corresponds to It is arranged around a first substrate, corresponding to each first substrate, a conductive adhesive strip is provided, and the plurality of protective rubber frames sealingly surround each of the conductive adhesive strips.
  • the invention provides a method for manufacturing a liquid crystal display panel, which can prevent the conductive adhesive strip from being deformed or falling off and prevent product defects.
  • Figure 1 is a schematic diagram of an existing motherboard structure
  • FIG. 2 is a schematic diagram of the first embodiment of the motherboard structure of the present invention.
  • FIG. 3 is a schematic diagram of a second embodiment of the motherboard structure of the present invention.
  • step S7 is a schematic diagram of step S7 of the manufacturing method of the liquid crystal display panel of the present invention.
  • FIG. 5 is a flowchart of the method for manufacturing the liquid crystal display panel of the present invention.
  • the present invention provides a motherboard structure, including: a first motherboard 1 and a plurality of main plastic frames provided on the first motherboard 1, a peripheral plastic frame 3, multiple A conductive rubber strip 4 and a protective rubber frame 5;
  • the peripheral plastic frame 3 is arranged around the edge of the first mother board 1, and the peripheral plastic frame 3 is provided with a plurality of openings 31 arranged at intervals;
  • the first mother board 1 includes a plurality of first substrates 11 arranged in an array. Each main frame 2 is correspondingly arranged around a first substrate 11, and a conductive adhesive strip 4 is arranged corresponding to each first substrate 11. A plurality of protective rubber frames 5 sealingly surround the respective conductive rubber strips 4.
  • the first substrates 11 in one row have the first size
  • the first substrates 11 in the other row have the first size.
  • the first size being different from the second size
  • Two conductive adhesive strips 4 corresponding to two adjacent first substrates 11 in the column direction are connected together to form a conductive adhesive strip group 41;
  • the conductive adhesive strip group 41 is correspondingly located on one side of the first substrate 11 having the second size among the two adjacent first substrates 11 and is located outside the main plastic frame 2 surrounding the first substrate 11 having the second size ;
  • the first mother board 1 includes 16 first substrates 11 arranged in 4 rows and 4 columns, wherein the first substrate 11 in the first and third rows A substrate 11 has a first size, and the first substrates 11 in the second and fourth rows have a second size.
  • a conductive adhesive strip group 41 is provided on the left side of each first substrate 11 of the second size.
  • the rubber strip group 41 includes two connected conductive rubber strips 4, and the two conductive rubber strips 4 respectively correspond to the first substrate 11 having the second size and the upper side of the first substrate 11 having the second size has the first size
  • the first substrate 11 is set.
  • the number of the protective rubber frames 5 is equal to the number of the conductive rubber strip groups 41, and each protective rubber frame 5 sealingly surrounds a conductive rubber strip group 41 and the conductive rubber strip group 41
  • the first mother board 1 includes 16 first substrates 11 arranged in 4 rows and 4 columns, wherein the first substrate 11 in the first and third rows A substrate 11 has a first size, and the first substrates 11 in the second and fourth rows have a second size.
  • a conductive adhesive strip group 41 is provided on the left side of each first substrate 11 of the second size.
  • the rubber strip group 41 includes two connected conductive rubber strips 4, and the two conductive rubber strips 4 respectively correspond to the first substrate 11 having the second size and the upper side of the first substrate 11 having the second size.
  • the size of the first substrate 11 is set.
  • the number of protective rubber frames 5 is equal to the number of rows of the conductive rubber strip group 41, and each protective rubber frame 5 sealingly surrounds a row of conductive rubber strip groups 41 and is connected to the row of conductive rubber strips.
  • the strip group 41 corresponds to a row of main rubber frames 2, that is, the number of the protective rubber frames 5 is two, and each protective rubber frame 5 surrounds 4 conductive rubber strip groups 41, that is, 8 conductive rubber strips 4.
  • each protective rubber frame 5 is rectangular, circular or elliptical.
  • the second size is smaller than the first size.
  • the material of the conductive adhesive strip 4 is conductive gold glue (Au Seal).
  • the arrangement of the first substrate 11, the arrangement of the conductive adhesive strips 4, and the arrangement of the protective rubber frame 5 can also be modified accordingly, as long as the plurality of The protective rubber frame 5 can seal and protect each conductive rubber strip 4, so that the conductive rubber strip 4 can be protected.
  • the protective rubber frame 5 can block the airflow from impacting the conductive rubber strip 4, and avoid the impact caused by the airflow.
  • the conductive rubber strip deforms or falls off.
  • the protective rubber frame 5 can share the pressure for the conductive rubber strip 4 to prevent the conductive rubber strip from falling off due to the bending of the motherboard and reduce product defects.
  • the present invention also provides a method for manufacturing a liquid crystal display panel, which includes the following steps:
  • Step S1 Provide a first motherboard 1, the first motherboard 1 including a plurality of first substrates 11 arranged in an array;
  • Step S2 A plurality of main plastic frames 2 are arranged on the first mother board 1, and each main plastic frame 2 is arranged around a first substrate 11, and liquid crystal material is dropped into each main plastic frame 2;
  • Step S3 A peripheral plastic frame 3 is provided on the first mother board 1.
  • the peripheral plastic frame 3 is arranged around the edge of the first mother board 1, and the peripheral plastic frame 3 is provided with a plurality of spaces Array of openings 31;
  • Step S4 A plurality of conductive adhesive strips 4 are arranged on the first mother board 1, and each conductive adhesive strip 4 is connected to a first substrate 11 correspondingly;
  • Step S5 a plurality of protective rubber frames 5 are arranged on the first mother board 1, the plurality of protective rubber frames 5 sealingly surrounding the respective conductive rubber strips 4;
  • Step S6 providing a second motherboard 6 which includes a plurality of second substrates 61 arranged in an array;
  • Step S7 Vacuum bonding the second mother board 6 and the first mother board 1 so that each first substrate 11 is bonded to a second substrate 61. After the bonding is completed, the vacuum is broken to obtain multiple Liquid crystal display panel.
  • the liquid crystal material is a photosensitive liquid crystal material, which includes a liquid crystal matrix and a reactive monomer.
  • the manufacturing method of the liquid crystal display panel further includes:
  • Step S8 applying an alignment signal to each of the first substrates 11, and at the same time transmitting the alignment signal to the corresponding second substrate 21 through the conductive rubber strip 4, so that the liquid crystal is rotated;
  • Step S9 irradiating ultraviolet light on the liquid crystals in each of the liquid crystal display panels to align the liquid crystals.
  • the first substrates 11 in one row have the first size
  • the first substrates 11 in the other row have the first size.
  • the first size being different from the second size
  • Two conductive adhesive strips 4 corresponding to two adjacent first substrates 11 in the column direction are connected together to form a conductive adhesive strip group 41;
  • the conductive adhesive strip group 41 is correspondingly located on one side of the first substrate 11 having the second size among the two adjacent first substrates 11 and is located outside the main plastic frame 2 surrounding the first substrate 11 having the second size ;
  • the first mother board 1 includes 16 first substrates 11 arranged in 4 rows and 4 columns, wherein the first substrate 11 in the first and third rows A substrate 11 has a first size, and the first substrates 11 in the second and fourth rows have a second size.
  • a conductive adhesive strip group 41 is provided on the left side of each first substrate 11 of the second size.
  • the rubber strip group 41 includes two connected conductive rubber strips 4, and the two conductive rubber strips 4 respectively correspond to the first substrate 11 having the second size and the upper side of the first substrate 11 having the second size.
  • the size of the first substrate 11 is set.
  • the number of the protective rubber frames 5 is equal to the number of the conductive rubber strip groups 41, and each protective rubber frame 5 sealingly surrounds a conductive rubber strip group 41 and the conductive rubber strip group 41
  • the first mother board 1 includes 16 first substrates 11 arranged in 4 rows and 4 columns, wherein the first substrate 11 in the first and third rows A substrate 11 has a first size, and the first substrates 11 in the second and fourth rows have a second size.
  • a conductive adhesive strip group 41 is provided on the left side of each first substrate 11 of the second size.
  • the conductive rubber strip group 41 includes two connected conductive rubber strips 4, and the two conductive rubber strips 4 respectively correspond to the first substrate 11 with the second size and the first substrate 11 with the second size on the upper side.
  • a first substrate 11 of one size is provided.
  • the number of the protective rubber frame 5 is equal to the number of rows of the conductive adhesive strip group 41, and each protective rubber frame 5 seals and surrounds a row of conductive adhesive.
  • each protective rubber frame 5 is rectangular, circular or elliptical.
  • the second size is smaller than the first size.
  • the material of the conductive adhesive strip 4 is conductive gold glue (Au Seal).
  • the arrangement of the first substrate 11, the arrangement of the conductive adhesive strips 4, and the arrangement of the protective plastic frame 5 can also be modified accordingly, as long as the protective plastic The frame 5 can seal and protect each conductive rubber strip 4, so that the conductive rubber strip 4 can be protected.
  • the protective rubber frame 5 can block the airflow from impacting the conductive rubber strip 4, and avoid the impact caused by the airflow.
  • the conductive rubber strip deforms or falls off.
  • the protective rubber frame 5 can share the pressure for the conductive rubber strip 4 to prevent the conductive rubber strip from falling off due to the bending of the motherboard and reduce product defects.
  • the mother board structure includes: a first mother board and a plurality of main plastic frames arranged on the first mother board, a peripheral plastic frame, a plurality of conductive adhesive strips, and a plurality of protective plastic frames;
  • the peripheral plastic frame It is arranged around the edge of the first mother board, and the peripheral plastic frame is provided with a plurality of openings arranged at intervals;
  • the first mother board includes a plurality of first substrates arranged in an array, and each main plastic frame corresponds to It is arranged around a first substrate, corresponding to each first substrate, a conductive adhesive strip is provided, and the plurality of protective rubber frames sealingly surround each of the conductive adhesive strips.
  • the invention provides a method for manufacturing a liquid crystal display panel, which can prevent the conductive adhesive strip from being deformed or falling off and prevent product defects.

Abstract

一种母板结构及液晶显示面板的制作方法。母板结构包括:第一母板(1)以及设于第一母板(1)上的多个主胶框(2)、一外围胶框(3)、多个导电胶条(4)及多个保护胶框(5);外围胶框(3)围绕第一母板(1)的边缘设置,且外围胶框(3)上设有多个间隔排列的开口(31);第一母板(1)包括阵列排布的多个第一基板(11),每一个主胶框(2)对应围绕一个第一基板(11)设置,对应每一个第一基板(11)设置有一导电胶条(4),多个保护胶框(5)密封包围各个导电胶条(4),通过设置密封包围各个导电胶条(4)的保护胶框(5),能够避免因气流冲击或母板弯曲而导致的导电胶条(4)变形或脱落,减少产品不良。

Description

母板结构及液晶显示面板的制作方法 技术领域
本发明涉及显示技术领域,尤其涉及一种母板结构及液晶显示面板的制作方法。
背景技术
随着显示技术的发展,液晶显示器(Liquid Crystal Display,LCD)等平面显示装置因具有高画质、省电、机身薄及应用范围广等优点,而被广泛的应用于手机、电视、个人数字助理、数字相机、笔记本电脑、台式计算机等各种消费性电子产品,成为显示装置中的主流。
现有市场上的液晶显示装置大部分为背光型液晶显示器,其包括液晶显示面板及背光模组(backlight module)。液晶显示面板的工作原理是在两片平行的玻璃基板当中放置液晶分子,两片玻璃基板中间有许多垂直和水平的细小电线,通过通电与否来控制液晶分子改变方向,将背光模组的光线折射出来产生画面。
通常液晶显示面板由彩膜基板(CF,Color Filter)、薄膜晶体管基板(TFT,Thin Film Transistor)、夹于彩膜基板与薄膜晶体管基板之间的液晶(LC,Liquid Crystal)及密封胶框(Sealant)组成,其成型工艺一般包括:前段阵列(Array)制程(薄膜、黄光、蚀刻及剥膜)、中段成盒(Cell)制程(TFT基板与CF基板贴合)及后段模组组装制程(驱动IC与印刷电路板压合)。其中,前段Array制程主要是形成TFT基板,以便于控制液晶分子的运动;中段Cell制程主要是在TFT基板与CF基板之间添加液晶;后段模组组装制程主要是驱动IC压合与印刷电路板的整合,进而驱动液晶分子转动,显示图像。
在成盒之后,需要对液晶进行配向,使液晶有一定的预倾角,光配向是目前常用的一种配向方向,具体为:在上下基板加入一定的电压,液晶感受到电压,发生偏转,再照射一定的紫外光,对液晶进行配向,形成预倾角; 其中,在给基板加电时一般只能给一侧基板加电,另一侧基板的电压是通过连接两基板的导电胶条(transfer AU)从一侧基板传输到另一侧基板的,也就是说另一侧的基板有没有加上电或者加入电压稳不稳定,取决于导电胶条是否和两基板接触良好,如图1所示,在现有的母板结构中,外围胶框(Loop Seal)100上具有多个开口101,位于外围胶框100内主胶框200外的导电胶条300,配向制程需要在母板结构与该母板结构配合的对置母板对组成盒之后进行,而在对组成盒过程中需要经过真空贴合及破真空的步骤,其中在破真空的步骤,气流会从开口101进入外框胶框100内部冲击导电胶条300,使得导电胶条300出现变形或脱落(Peeling),进而导致连接液晶显示面板的两侧基板接触不良,电压无法在两基板之间进行传导,进而导致产品不良,同时在母板的切割步骤中,基板的弯曲(bending)也可能造成导电胶条200的脱落(Peeling),导致产品不良。
技术问题
本发明的目的在于提供一种母板结构,能够避免导电胶条变形或脱落,防止产品不良。
本发明的目的还在于提供一种液晶显示面板的制作方法,能够避免导电胶条变形或脱落,防止产品不良。
技术解决方案
为实现上述目的,本发明提供一种母板结构,包括:第一母板以及设于所述第一母板上的多个主胶框、一外围胶框、多个导电胶条及多个保护胶框;
所述外围胶框围绕所述第一母板的边缘设置,且所述外围胶框上设有多个间隔排列的开口;
所述第一母板包括阵列排布的多个第一基板,每一个主胶框对应围绕一个第一基板设置,对应每一个第一基板设置有一导电胶条,所述多个保护胶框密封包围所述各个导电胶条。
在第一母板上相邻两行的多个第一基板中,其中一行的第一基板分别具有第一尺寸,另一行的第一基板分别具有第二尺寸,所述第一尺寸不同于第二尺寸;
列方向上相邻的两个第一基板对应的两导电胶条连成一体形成一导电胶条组;
该导电胶条组对应位于该相邻的两个第一基板中具有第二尺寸的第一基板的一侧且位于围绕该具有第二尺寸的第一基板的主胶框外。
所述保护胶框的数量与所述导电胶条组的数量相等,每一个保护胶框密封包围一个导电胶条组及该导电胶条组一侧的一主胶框。
所述保护胶框的数量与所述导电胶条组的行数相等,每一个保护胶框密封包围一行导电胶条组及与该行导电胶条组对应的一行主胶框。
本发明还提供一种液晶显示面板的制作方法,包括如下步骤:
步骤S1、提供第一母板,所述第一母板包括阵列排布的多个第一基板;
步骤S2、在所述第一母板上设置多个主胶框,每一个主胶框对应围绕一个第一基板设置,并在各个主胶框内滴入液晶材料;
步骤S3、在所述第一母板上设置一外围胶框,所述外围胶框围绕所述第一母板的边缘设置,且所述外围胶框上设有多个间隔排列的开口;
步骤S4、在所述第一母板设置多个导电胶条,每一个导电胶条对应连接一个第一基板;
步骤S5、在所述第一母板上设置多个保护胶框,所述多个保护胶框密封包围所述各个导电胶条;
步骤S6、提供第二母板,所述第二母板包括阵列排布的多个第二基板;
步骤S7、将所述第二母板与所述第一母板进行真空贴合,使得每一个第一基板对应与一个第二基板贴合,贴合完成后破除真空得到多个液晶显示面板。
在第一母板上相邻两行的多个第一基板中,其中一行的第一基板分别具有第一尺寸,另一行的第一基板分别具有第二尺寸,所述第一尺寸不同于第二尺寸;
列方向上相邻的两个第一基板对应的两导电胶条连成一体形成一导电胶条组;
该导电胶条组对应位于该相邻的两个第一基板中具有第二尺寸的第一基板的一侧且位于围绕该具有第二尺寸的第一基板的主胶框外。
所述保护胶框的数量与所述导电胶条组的数量相等,每一个保护胶框密封包围一个导电胶条组及该导电胶条组一侧的一主胶框。
所述保护胶框的数量与所述导电胶条组的行数相等,每一个保护胶框密封包围一行导电胶条组及与该行导电胶条组对应的一行主胶框。
所述液晶材料为感光液晶材料。
所述液晶显示面板的制作方法还包括:
步骤S8、向每一个所述第一基板施加配向信号,同时通过所述导电胶条将所述配向信号传输到对应的第二基板上;
步骤S9、向所述各个液晶显示面板中的液晶材料照射紫外光,以进行配向。
有益效果
本发明的有益效果:本发明提供一种母板结构。所述母板结构包括:第一母板以及设于所述第一母板上的多个主胶框、一外围胶框、多个导电胶条及多个保护胶框;所述外围胶框围绕所述第一母板的边缘设置,且所述外围胶框上设有多个间隔排列的开口;所述第一母板包括阵列排布的多个第一基板,每一个主胶框对应围绕一个第一基板设置,对应每一个第一基板设置有一导电胶条,所述多个保护胶框密封包围所述各个导电胶条,通过设置密封包围各个导电胶条的保护胶框,能够避免因气流冲击或母板弯曲而导致的导电胶条变形或脱落,减少产品不良。本发明还提供一种液晶显示面板的制作方法,能够避免导电胶条变形或脱落,防止产品不良。
附图说明
为了能更进一步了解本发明的特征以及技术内容,请参阅以下有关本发明的详细说明与附图,然而附图仅提供参考与说明用,并非用来对本发明加以限制。
附图中,
图1为现有的母板结构的示意图;
图2为本发明的母板结构的第一实施例的示意图;
图3为本发明的母板结构的第二实施例的示意图;
图4为本发明的液晶显示面板的制作方法的步骤S7的示意图;
图5为本发明的液晶显示面板的制作方法的流程图。
本发明的实施方式
为更进一步阐述本发明所采取的技术手段及其效果,以下结合本发明的优选实施例及其附图进行详细描述。
请参阅图2及图3,本发明提供一种母板结构,包括:第一母板1以及设于所述第一母板1上的多个主胶框2、一外围胶框3、多个导电胶条4及一保护胶框5;
所述外围胶框3围绕所述第一母板1的边缘设置,且所述外围胶框3上设有多个间隔排列的开口31;
所述第一母板1包括阵列排布的多个第一基板11,每一个主胶框2对应围绕一个第一基板11设置,对应每一个第一基板11设置有一导电胶条4,所述多个保护胶框5密封包围所述各个导电胶条4。
具体地,如图2所示,在第一母板1上相邻两行的多个第一基板11中,其中一行的第一基板11分别具有第一尺寸,另一行的第一基板11分别具有第二尺寸,所述第一尺寸不同于第二尺寸;
列方向上相邻的两个第一基板11对应的两导电胶条4连成一体形成一导电胶条组41;
该导电胶条组41对应位于该相邻的两个第一基板11中具有第二尺寸的第一基板11的一侧且位于围绕该具有第二尺寸的第一基板11的主胶框2外;
进一步地,如图2所示,在本发明的一些实施例中,所述第一母板1包括呈4行4列排布的16个第一基板11,其中第一及第三行的第一基板11分别具有第一尺寸,第二及第四行的第一基板11分别具有第二尺寸,在每一个第二尺寸第一基板11的左侧设有一个导电胶条组41,该导电胶条组41包括两个相连的导电胶条4,该两个导电胶条4分别对应该具有第二尺寸的第一基板11及该具有第二尺寸的第一基板11上侧具有第一尺寸的第一基板11设置。
具体地,如图2所示,所述保护胶框5的数量与所述导电胶条组41的数量相等,每一个保护胶框5密封包围一个导电胶条组41及该导电胶条组41一侧的一主胶框2,也即所述保护胶框5的数量为8个,每一个保护胶框5包围1个导电胶条组41即2个导电胶条4。
进一步地,如图2所示,在本发明的一些实施例中,所述第一母板1包括呈4行4列排布的16个第一基板11,其中第一及第三行的第一基板11分别具有第一尺寸,第二及第四行的第一基板11分别具有第二尺寸,在每一个第二尺寸第一基板11的左侧设有一个导电胶条组41,该导电胶条组41包括两个相连的导电胶条4,该两个导电胶条4分别对应该具有第二尺寸的第一基板11及该具有第二尺寸的第一基板11上侧的具有第一尺寸的第一基板11设置。
具体地,如图3所示,所述保护胶框5的数量与所述导电胶条组41的行数相等,每一个保护胶框5密封包围一行导电胶条组41及与该行导电胶条组41对应的一行主胶框2,也即所述保护胶框5的数量为2个,每一个保护胶框5包围4个导电胶条组41即8个导电胶条4。
可选地,所述每一个保护胶框5的形状为矩形、圆形或椭圆形。
可选地,所述第二尺寸小于第一尺寸。
可选地,所述导电胶条4的材料为导电金胶(Au Seal)。
值得一提的,在本发明的其他实施例中,第一基板11的排列方式、导电胶条4的排列方式及保护胶框5的设置方式还可以做出相应的变形,只要所述多个保护胶框5能够将每一个导电胶条4都进行密封保护,从而使得导电胶条4得到保护即可。
需要说明的是,通过设置密封包围各个导电胶条4的保护胶框5,在母板对组贴合破真空时,保护胶框5能阻挡气流冲击导电胶条4,避免因气流冲击导致的导电胶条变形或脱落,在母板弯曲时,保护胶框5能够为导电胶条4分担压力,防止因母板弯曲而导致的导电胶条脱落,减少产品不良。
请参阅图2至图5,本发明还提供一种液晶显示面板的制作方法,包括如下步骤:
步骤S1、提供第一母板1,所述第一母板1包括阵列排布的多个第一基板11;
步骤S2、在所述第一母板1上设置多个主胶框2,每一个主胶框2对应围绕一个第一基板11设置,并在各个主胶框2内滴入液晶材料;
步骤S3、在所述第一母板1上设置一外围胶框3,所述外围胶框3围绕所述第一母板1的边缘设置,且所述外围胶框3上设有多个间隔排列的开口31;
步骤S4、在所述第一母板1设置多个导电胶条4,每一个导电胶条4对应连接一个第一基板11;
步骤S5、在所述第一母板1上设置多个保护胶框5,所述多个保护胶框5密封包围所述各个导电胶条4;
步骤S6、提供第二母板6,所述第二母板6包括阵列排布的多个第二基板61;
步骤S7、将所述第二母板6与所述第一母板1进行真空贴合,使得每一个第一基板11对应与一个第二基板61贴合,贴合完成后破除真空得到多个液晶显示面板。
具体地,所述液晶材料为感光液晶材料,其包括液晶母体及反应性单体。
进一步地,所述液晶显示面板的制作方法还包括:
步骤S8、向每一个所述第一基板11施加配向信号,同时通过所述导电胶条4将所述配向信号传输到对应的第二基板21上,使得所述液晶旋转;
步骤S9、向所述各个液晶显示面板中的液晶照射紫外光,以对所述液晶进行配向。
具体地,如图2所示,在第一母板1上相邻两行的多个第一基板11中,其中一行的第一基板11分别具有第一尺寸,另一行的第一基板11分别具有第二尺寸,所述第一尺寸不同于第二尺寸;
列方向上相邻的两个第一基板11对应的两导电胶条4连成一体形成一导电胶条组41;
该导电胶条组41对应位于该相邻的两个第一基板11中具有第二尺寸的第一基板11的一侧且位于围绕该具有第二尺寸的第一基板11的主胶框2外;
进一步地,如图2所示,在本发明的一些实施例中,所述第一母板1包括呈4行4列排布的16个第一基板11,其中第一及第三行的第一基板11分别具有第一尺寸,第二及第四行的第一基板11分别具有第二尺寸,在每一个第二尺寸第一基板11的左侧设有一个导电胶条组41,该导电胶条组41包括两个相连的导电胶条4,该两个导电胶条4分别对应该具有第二尺寸的第一基板11及该具有第二尺寸的第一基板11上侧的具有第一尺寸的第一基板11设置。
具体地,如图2所示,所述保护胶框5的数量与所述导电胶条组41的数量相等,每一个保护胶框5密封包围一个导电胶条组41及该导电胶条组41一侧的一主胶框2,也即所述保护胶框5的数量为8个,每一个保护胶框5包围1个导电胶条组41即2个导电胶条4。
进一步地,如图2所示,在本发明的一些实施例中,所述第一母板1包括呈4行4列排布的16个第一基板11,其中第一及第三行的第一基板11分别具有第一尺寸,第二及第四行的第一基板11分别具有第二尺寸,在每一个具有第二尺寸第一基板11的左侧设有一个导电胶条组41,该导电胶条组41包括两个相连的导电胶条4,该两个导电胶条4分别对应该具有第二尺寸的第一基板11及该具有第二尺寸的第一基板11上侧的具有第一尺寸的第一基板11设置。
具体地,如图3所示,具体地,如图3所示,所述保护胶框5的数量与所述导电胶条组41的行数相等,每一个保护胶框5密封包围一行导电胶条组41及与该行导电胶条组41对应的一行主胶框2,也即所述保护胶框5的数量为2个,每一个保护胶框5包围4个导电胶条组41即8个导电胶条4。
可选地,所述每一个保护胶框5的形状为矩形、圆形或椭圆形。
可选地,所述第二尺寸小于第一尺寸。
可选地,所述导电胶条4的材料为导电金胶(Au Seal)。
值得一提的,在本发明的其他实施例中,第一基板11的排列方式、导电胶条4的排列方式及保护胶框5的设置方式还可以做出相应的变形,只要所述保护胶框5能够将每一个导电胶条4都进行密封保护,从而使得导电胶条4得到保护即可。
需要说明的是,通过设置密封包围各个导电胶条4的保护胶框5,在母板对组贴合破真空时,保护胶框5能阻挡气流冲击导电胶条4,避免因气流冲击导致的导电胶条变形或脱落,在母板弯曲时,保护胶框5能够为导电胶条4分担压力,防止因母板弯曲而导致的导电胶条脱落,减少产品不良。
综上所述,本发明提供一种母板结构。所述母板结构包括:第一母板以及设于所述第一母板上的多个主胶框、一外围胶框、多个导电胶条及多个保护胶框;所述外围胶框围绕所述第一母板的边缘设置,且所述外围胶框上设有多个间隔排列的开口;所述第一母板包括阵列排布的多个第一基板,每一个主胶框对应围绕一个第一基板设置,对应每一个第一基板设置有一导电胶条,所述多个保护胶框密封包围所述各个导电胶条,通过设置密封包围各个导电胶条的保护胶框,能够避免因气流冲击或母板弯曲而导致的导电胶条变形或脱落,减少产品不良。本发明还提供一种液晶显示面板的制作方法,能够避免导电胶条变形或脱落,防止产品不良。
以上所述,对于本领域的普通技术人员来说,可以根据本发明的技术方案和技术构思作出其他各种相应的改变和变形,而所有这些改变和变形都应属于本发明权利要求的保护范围。

Claims (10)

  1. 一种母板结构,包括:第一母板以及设于所述第一母板上的多个主胶框、一外围胶框、多个导电胶条及多个保护胶框;
    所述外围胶框围绕所述第一母板的边缘设置,且所述外围胶框上设有多个间隔排列的开口;
    所述第一母板包括阵列排布的多个第一基板,每一个主胶框对应围绕一个第一基板设置,对应每一个第一基板设置有一导电胶条,所述多个保护胶框密封包围所述各个导电胶条。
  2. 如权利要求1所述的母板结构,其中,在第一母板上相邻两行的多个第一基板中,其中一行的第一基板分别具有第一尺寸,另一行的第一基板分别具有第二尺寸,所述第一尺寸不同于第二尺寸;
    列方向上相邻的两个第一基板对应的两导电胶条连成一体形成一导电胶条组;
    该导电胶条组对应位于该相邻的两个第一基板中具有第二尺寸的第一基板的一侧且位于围绕该具有第二尺寸的第一基板的主胶框外。
  3. 如权利要求2所述的母板结构,其中,所述保护胶框的数量与所述导电胶条组的数量相等,每一个保护胶框密封包围一个导电胶条组及该导电胶条组一侧的一主胶框。
  4. 如权利要求2所述的母板结构,其中,所述保护胶框的数量与所述导电胶条组的行数相等,每一个保护胶框密封包围一行导电胶条组及与该行导电胶条组对应的一行主胶框。
  5. 一种液晶显示面板的制作方法,包括如下步骤:
    步骤S1、提供第一母板,所述第一母板包括阵列排布的多个第一基板;
    步骤S2、在所述第一母板上设置多个主胶框,每一个主胶框对应围绕一个第一基板设置,并在各个主胶框内滴入液晶材料;
    步骤S3、在所述第一母板上设置一外围胶框,所述外围胶框围绕所述第一母板的边缘设置,且所述外围胶框上设有多个间隔排列的开口;
    步骤S4、在所述第一母板设置多个导电胶条,每一个导电胶条对应连接一个第一基板;
    步骤S5、在所述第一母板上设置多个保护胶框,所述多个保护胶框密封包围所述各个导电胶条;
    步骤S6、提供第二母板,所述第二母板包括阵列排布的多个第二基板;
    步骤S7、将所述第二母板与所述第一母板进行真空贴合,使得每一个第一基板对应与一个第二基板贴合,贴合完成后破除真空得到多个液晶显示面板。
  6. 如权利要求5所述的液晶显示面板的制作方法,其中,在第一母板上相邻两行的多个第一基板中,其中一行的第一基板分别具有第一尺寸,另一行的第一基板分别具有第二尺寸,所述第一尺寸不同于第二尺寸;
    列方向上相邻的两个第一基板对应的两导电胶条连成一体形成一导电胶条组;
    该导电胶条组对应位于该相邻的两个第一基板中具有第二尺寸的第一基板的一侧且位于围绕该具有第二尺寸的第一基板的主胶框外。
  7. 如权利要求6所述的液晶显示面板的制作方法,其中,所述保护胶框的数量与所述导电胶条组的数量相等,每一个保护胶框密封包围一个导电胶条组及该导电胶条组一侧的一主胶框。
  8. 如权利要求6所述的液晶显示面板的制作方法,其中,所述保护胶框的数量与所述导电胶条组的行数相等,每一个保护胶框密封包围一行导电胶条组及与该行导电胶条组对应的一行主胶框。
  9. 如权利要求5所述的液晶显示面板的制作方法,其中,所述液晶材料为感光液晶材料。
  10. 如权利要求9所述的液晶显示面板的制作方法,还包括:
    步骤S8、向每一个所述第一基板施加配向信号,同时通过所述导电胶条将所述配向信号传输到对应的第二基板上;
    步骤S9、向所述各个液晶显示面板中的液晶材料照射紫外光,以进行配向。
PCT/CN2019/083057 2019-03-26 2019-04-17 母板结构及液晶显示面板的制作方法 WO2020191831A1 (zh)

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