WO2020107789A1 - 显示模组的定位方法及定位装置 - Google Patents

显示模组的定位方法及定位装置 Download PDF

Info

Publication number
WO2020107789A1
WO2020107789A1 PCT/CN2019/084212 CN2019084212W WO2020107789A1 WO 2020107789 A1 WO2020107789 A1 WO 2020107789A1 CN 2019084212 W CN2019084212 W CN 2019084212W WO 2020107789 A1 WO2020107789 A1 WO 2020107789A1
Authority
WO
WIPO (PCT)
Prior art keywords
data
light source
display module
support platform
receiver
Prior art date
Application number
PCT/CN2019/084212
Other languages
English (en)
French (fr)
Inventor
郑俊丰
Original Assignee
武汉华星光电技术有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 武汉华星光电技术有限公司 filed Critical 武汉华星光电技术有限公司
Priority to US16/485,437 priority Critical patent/US11168980B1/en
Publication of WO2020107789A1 publication Critical patent/WO2020107789A1/zh

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01BMEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B11/00Measuring arrangements characterised by the use of optical techniques
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01BMEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B11/00Measuring arrangements characterised by the use of optical techniques
    • G01B11/26Measuring arrangements characterised by the use of optical techniques for measuring angles or tapers; for testing the alignment of axes
    • G01B11/27Measuring arrangements characterised by the use of optical techniques for measuring angles or tapers; for testing the alignment of axes for testing the alignment of axes
    • G01B11/272Measuring arrangements characterised by the use of optical techniques for measuring angles or tapers; for testing the alignment of axes for testing the alignment of axes using photoelectric detection means
    • 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
    • G02F1/1303Apparatus specially adapted to the manufacture of LCDs
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01BMEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B11/00Measuring arrangements characterised by the use of optical techniques
    • G01B11/14Measuring arrangements characterised by the use of optical techniques for measuring distance or clearance between spaced objects or spaced apertures
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01BMEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B11/00Measuring arrangements characterised by the use of optical techniques
    • G01B11/26Measuring arrangements characterised by the use of optical techniques for measuring angles or tapers; for testing the alignment of axes
    • 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
    • G02F1/1313Devices 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 specially adapted for a particular application
    • 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
    • G02F1/133308Support structures for LCD panels, e.g. frames or bezels
    • G02F1/133322Mechanical guidance or alignment of LCD panel support components
    • 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
    • G02F1/133354Arrangements for aligning or assembling substrates

Definitions

  • the present application relates to the field of panel manufacturing, in particular to a positioning method and a positioning device for a display module.
  • the process of driving the chip (IC) and glass package (COG), FPC and glass package (FOG) in the module segment process of the panel display industry is extremely important, which has an impact on the yield, cost and reliability of the product.
  • COG process due to the uneven display and related defects caused by the alignment problem, the manufacturing cost of the display panel is increased, and the product competitiveness is greatly reduced.
  • the present application provides a positioning method and a positioning device for a display module to obtain a packaging method for a high-precision display module.
  • This application provides a positioning method for a display module, which includes:
  • a first receiver is provided between the target display module and the first support platform, and a second receiver is provided between the target display module and the second support platform;
  • the first receiver receives the first outgoing light and records the first data
  • the second receiver receives the second outgoing light and records the second data
  • the positioning process of the target display module is completed.
  • the first receiver receives the first outgoing light and records the first data; before the step of receiving the second outgoing light and records the second data, the second receiver further includes:
  • a light source emitter and a light source beam splitter located on the same vertical line are provided between the first support table and the second support table, the light source emitter and the light source beam splitter and the first support table Fixed connection.
  • the light source beam splitter includes a first receiving end, a first exiting end, and a second exiting end;
  • the first receiving end and the light source transmitter are on the same vertical line;
  • the first exit end and the second exit end are on the same horizontal line, and the angle between the exit direction of the first exit end and the exit direction of the second exit end is 180 degrees.
  • the second support platform is a liftable device
  • the first support platform is a fixed device
  • the first receiver receives the first outgoing light and records the first data; the step of receiving the second outgoing light and records the second data by the second receiver includes:
  • the light source emitter emits the original outgoing light
  • the first receiving end of the light source splitter receives the original outgoing light, and emits the first outgoing light from the first outgoing end, and the second outgoing light from the second outgoing end;
  • the first receiver receives the first outgoing light and records the first data
  • the second receiver receives the second outgoing light and records the second data.
  • the first exit ray and the second exit ray are on the same horizontal line, and the angle between the first exit ray and the second exit ray is 180 degrees.
  • the second receiver is disposed between the first support platform and the second support platform, and is fixedly connected to the second support platform.
  • a buffer layer is further provided between the target display module and the first support platform.
  • the target display module includes a binding area
  • the second support platform corresponds to the binding area.
  • the target display module is an LCD display module or an OLED display module.
  • This application also proposes a positioning device for a display module, which includes:
  • the supporting member includes a first supporting table and a second supporting table, and the supporting member is used to support the target display module;
  • the laser calibration device includes a light source emitter, a light source beam splitter, and a light source receiver, and the original light emitted by the light source transmitter enters the light source receiver via the light source beam splitter;
  • the light source receiver includes:
  • a first receiver which is arranged close to the first support table, the first receiver receives the first outgoing light emitted by the light source emitter and records the first data;
  • a second receiver which is arranged close to the second support table, the second receiver receives the second outgoing light emitted by the light source emitter and records the second data;
  • the positioning process of the target display module is completed.
  • the light source emitter and the light source splitter are located between the first support table and the second support table, and are arranged on the same vertical line;
  • the light source emitter and the light source splitter are fixedly connected to the first support platform.
  • the light source splitter includes a first receiving end, a first exiting end and a second exiting end;
  • the center of the first receiving end and the center of the light source transmitter are on the same vertical line;
  • the center of the first exit end and the center of the second exit end are on the same horizontal line, and the angle between the exit direction of the first exit end and the exit direction of the second exit end is 180 degrees.
  • the first receiving end of the light source splitter receives the original outgoing light, and emits the first outgoing light from the first outgoing end, and the second outgoing light from the second outgoing end.
  • the first exit ray and the second exit ray are on the same horizontal line, and the angle between the first exit ray and the second exit ray is 180 degrees.
  • the second receiver is disposed between the first support platform and the second support platform, and is fixedly connected to the second support platform.
  • the second support platform is a liftable device, and the first support platform is a fixed device.
  • a buffer layer is further provided between the target display module and the first support platform.
  • the target display module includes a binding area
  • the second support platform corresponds to the binding area.
  • the target display module is an LCD display module or an OLED display module.
  • the application of the laser calibration device improves the alignment accuracy of the target display module, and improves the yield and quality of the product.
  • FIG. 1 is a step diagram of the positioning method of the display module of the present application
  • FIG. 2 is a structural diagram of a positioning device of a display module of the present application.
  • FIG. 1 is a step diagram of the positioning method of the display module of the present application.
  • FIG. 2 is a structural diagram of a positioning device of a display module of the present application.
  • the positioning method of the display module includes:
  • the target display module is an LCD display module or an OLED display module. This application uses the LCD display module as an example.
  • the target display module 100 includes a lower polarizer 101, an array substrate 102 between the lower polarizer 101, a liquid crystal layer (not shown) on the array substrate 102, and a liquid crystal layer on the liquid crystal layer
  • the color filter substrate 103 and the upper polarizing plate 104 located on the color filter substrate 103.
  • the array substrate 102 includes a pixel area and a binding area 105.
  • the target display module 100 is disposed on the first supporting platform 200 and the second supporting platform 300.
  • the first supporting platform 200 corresponds to the pixel area
  • the second supporting platform 300 corresponds to the binding area 105.
  • a buffer layer 400 is further provided between the pixel area and the first supporting platform 200.
  • the buffer layer 400 is used to protect the lower polarizing plate 101 from being scratched by the first support 200 and the like.
  • Step S20 also includes the setting of a laser calibration device, which includes a light source emitter 50, a light source beam splitter 51, and a light source receiver.
  • the light source receiver includes a first receiver 521 and a second receiver 522.
  • This step specifically includes:
  • the first supporting platform 200 or the second supporting platform 300 may be a liftable device.
  • the second support 300 is a liftable device and the first support 200 is a fixed device
  • the light source emitter 50 and the light source splitter 51 are in contact with the first
  • the supporting table 200 is fixedly connected, that is, the solution shown in FIG. 2.
  • the first supporting table 200 is a liftable device and the second supporting table 300 is a fixed device
  • the light source emitter 50 and the light source beam splitter 51 and the second The support table 300 is fixedly connected. This application does not discuss such a scheme.
  • the light source beam splitter 51 includes a first receiving end 511, a first exiting end 512, and a second exiting end 513.
  • the center of the first receiving end 511 and the center of the light source transmitter 50 are on the same vertical line.
  • the center of the first exit end 512 and the center of the second exit end 513 are on the same horizontal line.
  • the angle between the exit direction of the first exit end 512 and the exit direction of the second exit end 513 is 180 degrees.
  • the first receiver 521 is disposed on the first support 200, and is disposed adjacent to the buffer layer.
  • the center of the first receiver 521 and the center of the light source splitter 51 are on the same horizontal line.
  • the second receiver 522 is disposed between the first supporting platform 200 and the second supporting platform 300 and is fixedly connected to the second supporting platform 300.
  • the first receiver receives the first outgoing light and records the first data
  • the second receiver receives the second outgoing light and records the second data
  • Step S30 specifically includes:
  • the light source emitter emits original outgoing light
  • the first receiving end of the light source beam splitter receives the original outgoing light, and emits the first outgoing light from the first outgoing end, and the second outgoing light from the second outgoing end;
  • first outgoing light rays and two outgoing light rays are formed in opposite directions.
  • the first outgoing light is received by the first receiver 521 through the first outgoing end 512.
  • the second outgoing light is received by the second receiver 522 through the second outgoing end 513.
  • the first receiver receives the first outgoing light and records the first data
  • the second receiver receives the second outgoing light and records the second data.
  • step S303 and step S304 are performed simultaneously.
  • the first data mainly records the angle between the first outgoing light and the horizontal direction.
  • the second data mainly records the angle between the second outgoing light and the horizontal direction.
  • first exit ray and the second exit ray are on the same horizontal line, and the angle between the first exit ray and the second exit ray is 180 degrees.
  • the experimenter can adjust the height of the first support 200 or the second support 300 So that the absolute value of the difference between the first data and the second data is not greater than a preset threshold.
  • the first supporting platform 200 is a liftable device
  • the second supporting platform 300 is a liftable device
  • the height of the second supporting platform 300 is mainly fine-tuned so that the absolute value of the difference between the first data and the second data is not greater than a preset threshold.
  • the absolute value of the difference between the first data and the second data is zero.
  • the centers of the first receiver 521, the second receiver 522, and the light source splitter 51 are on the same horizontal line.
  • the positioning process of the target display module 100 is completed.
  • the binding area of the target display module corresponds to the second support column.
  • the laser calibration device in this application completes the alignment through the light source splitter, ensuring the unity of the light source, reducing the risk of light source offset and the impact of the environment (dust, particles), and improving the horizontal alignment of the target display module Precision.
  • this application also proposes a positioning device for a display module
  • the positioning device of the display module includes:
  • the supporting member includes a first supporting table and a second supporting table, and the supporting member is used to support the target display module;
  • the laser calibration device includes a light source emitter, a light source beam splitter, and a light source receiver, and the original light emitted by the light source transmitter enters the light source receiver via the light source beam splitter;
  • the light source receiver includes:
  • a first receiver which is arranged close to the first support table, the first receiver receives the first outgoing light emitted by the light source emitter and records the first data;
  • a second receiver which is arranged close to the second support table, the second receiver receives the second outgoing light emitted by the light source emitter and records the second data;
  • the positioning process of the target display module is completed.
  • the light source emitter and the light source splitter are located between the first support table and the second support table, and are located on the same vertical line;
  • the light source emitter and the light source splitter are fixedly connected to the first support platform.
  • the light source splitter includes a first receiving end, a first exiting end, and a second exiting end;
  • the center of the first receiving end and the center of the light source transmitter are on the same vertical line;
  • the center of the first exit end and the center of the second exit end are on the same horizontal line, and the angle between the exit direction of the first exit end and the exit direction of the second exit end is 180 degrees.
  • the first receiving end of the light source splitter receives the original outgoing light and emits the first outgoing light from the first outgoing end and the second outgoing end The second outgoing light.
  • first exit ray and the second exit ray are on the same horizontal line, and the angle between the first exit ray and the second exit ray is 180 degrees.
  • the second receiver is disposed between the first support platform and the second support platform, and is fixedly connected to the second support platform.
  • the second support platform is a liftable device, and the first support platform is a fixed device.
  • a buffer layer is further provided between the target display module and the first support platform.
  • the target display module includes a binding area
  • the second support platform corresponds to the binding area.
  • the target display module is an LCD display module or an OLED display module.
  • the present application proposes a positioning method and positioning device for a display module, which mainly includes setting a first receiver between the target display module and the first support platform, and between the target display module and the A second receiver is provided between the second support stations; the first receiver receives the first outgoing light and records the first data; the second receiver receives the second outgoing light and records the second data; acquiring the first The absolute value of the difference between a piece of data and the second data is compared with a preset threshold.
  • the application of the laser calibration device improves the alignment accuracy of the target display module, and improves the yield and quality of the product.

Abstract

一种显示模组的定位方法及定位装置,通过在目标显示模组(100)与支撑台(200,300)之间设置激光校准装置,通过激光校准装置中接收器(521,522)所接收的光源是否位于同一水平线上,以实现目标显示模组(100)的水平方向的对位精度的实时监测;激光校准装置的应用提高了目标显示模组(100)的对位精度,提升了产品的良率与品质。

Description

显示模组的定位方法及定位装置 技术领域
本申请涉及面板制作领域,特别涉及一种显示模组的定位方法及定位装置。
背景技术
面板显示行业的模组段制程驱动芯片(IC)与玻璃封装(COG)、FPC与玻璃封装(FOG)过程极其重要,对产品的良率、成本以及信赖性均有影响。在COG过程中,由于对位问题产生的显示不均及相关瑕疵,增加了显示面板的制作成本,产品竞争力大大降低。
在现有显示面板模组封装制程中,包括COG/FOG在内的关键制程,通常对玻璃生产平台与压合设备之间的对位精度没有引起足够重视,对位精度较差。同时,在生产过程中缺乏有效手段进行实时监控,导致COG过程中出现平台的水平高度与压合设备有一定差异,产生了不均匀等不良及破片。
技术问题
本申请提供了一种显示模组的定位方法及定位装置,以获得一种高精度显示模组的封装方法。
技术解决方案
为实现上述方案,本申请提供的技术方案如下:
本申请提供了一种显示模组的定位方法,其包括:
将目标显示模组设置于第一支撑台与第二支撑台上;
在所述目标显示模组与所述第一支撑台之间设置第一接收器,在所述目标显示模组与所述第二支撑台之间设置第二接收器;
所述第一接收器接收第一出射光线并记录第一数据;所述第二接收器接收第二出射光线并记录第二数据;
获取所述第一数据与所述第二数据差值的绝对值,并与预设阈值进行比较;
其中,当所述第一数据与所述第二数据差值的绝对值大于预设阈值时,调整所述第一支撑台或所述第二支撑台的高度,使所述第一数据与所述第二数据的差值的绝对值不大于预设阈值;
当所述第一数据与所述第二数据差值的绝对值不大于预设阈值时,完成所述目标显示模组的定位工序。
在本申请的定位方法中,所述第一接收器接收第一出射光线并记录第一数据;所述第二接收器接收第二出射光线并记录第二数据的步骤之前,还包括:
在所述第一支撑台与所述第二支撑台之间设置位于同一竖直线上的光源发射器及光源分光器,所述光源发射器及所述光源分光器与所述第一支撑台固定连接。
在本申请的定位方法中,所述光源分光器包括第一接收端、第一出射端及第二出射端;
所述第一接收端与所述光源发射器位于同一竖直线上;
所述第一出射端与所述第二出射端位于同一水平线上,所述第一出射端的出射方向与所述第二出射端的出射方向的夹角为180度。
在本申请的定位方法中,所述第二支撑台为可升降装置,所述第一支撑台为固定装置。
在本申请的定位方法中,所述第一接收器接收第一出射光线并记录第一数据;所述第二接收器接收第二出射光线并记录第二数据的步骤,包括:
光源发射器发出原始出射光线;
所述光源分光器的第一接收端接收所述原始出射光线,并从第一出射端发出所述第一出射光线、及第二出射端发出所述第二出射光线;
所述第一接收器接收所述第一出射光线,并记录所述第一数据;
所述第二接收器接收所述第二出射光线,并记录所述第二数据。
在本申请的定位方法中,所述第一出射光线与所述第二出射光线位于同一水平线上,且所述第一出射光线与所述第二出射光线的夹角为180度。
在本申请的定位方法中,所述第二接收器设置于所述第一支撑台与所述第二支撑台之间,且与所述第二支撑台固定连接。
在本申请的定位方法中,
所述目标显示模组与所述第一支撑台之间还设置有缓冲层。
在本申请的定位方法中,,
所述目标显示模组包括绑定区;
所述第二支撑台与所述绑定区对应。
在本申请的定位方法中,
所述目标显示模组为LCD显示模组或OLED显示模组。
本申请还提出了一种显示模组的定位装置,其包括:
支撑构件,包括第一支撑台和第二支撑台,所述支撑构件用于支撑目标显示模组;
激光校准装置,包括光源发射器、光源分光器及光源接收器,所述光源发射器发出原始出射光线经所述光源分光器进入所述光源接收器;
其中,所述光源接收器包括:
第一接收器,靠近所述第一支撑台设置,所述第一接收器接收所述光源发射器发出的第一出射光线并记录第一数据;
第二接收器,靠近所述第二支撑台设置,所述第二接收器接收所述光源发射器发出的第二出射光线并记录第二数据;
当所述第一数据与所述第二数据差值的绝对值大于预设阈值时,调整所述第一支撑台或所述第二支撑台的高度,使所述第一数据与所述第二数据的差值的绝对值不大于预设阈值;
当所述第一数据与所述第二数据差值的绝对值不大于预设阈值时,完成所述目标显示模组的定位工序。
在本申请的定位装置中,
所述光源发射器及所述光源分光器位于所述第一支撑台与所述第二支撑台之间,且设置位于同一竖直线上;
所述光源发射器及所述光源分光器与所述第一支撑台固定连接。
在本申请的定位装置中,
所述光源分光器包括第一接收端、第一出射端及第二出射端;
所述第一接收端的中心与所述光源发射器的中心位于同一竖直线上;
所述第一出射端的中心与所述第二出射端的中心位于同一水平线上,所述第一出射端的出射方向与所述第二出射端的出射方向的夹角为180度。
在本申请的定位装置中,
所述光源分光器的所述第一接收端接收所述原始出射光线,并从所述第一出射端发出所述第一出射光线、及所述第二出射端发出所述第二出射光线。
在本申请的定位装置中,
所述第一出射光线与所述第二出射光线位于同一水平线上,所述第一出射光线与所述第二出射光线的夹角为180度。
在本申请的定位装置中,
所述第二接收器设置于所述第一支撑台与所述第二支撑台之间,且与所述第二支撑台固定连接。
在本申请的定位装置中,
所述第二支撑台为可升降装置,所述第一支撑台为固定装置。
在本申请的定位装置中,
所述目标显示模组与所述第一支撑台之间还设置有缓冲层。
在本申请的定位装置中,
所述目标显示模组包括绑定区;
所述第二支撑台与所述绑定区对应。
在本申请的定位装置中,
所述目标显示模组为LCD显示模组或OLED显示模组。
有益效果
本申请通过在目标显示模组与支撑台之间设置激光校准装置,通过激光校准装置中接收器所接收的光源是否位于同一水平线上,以实现目标显示模组的水平方向的对位精度的实时监测;激光校准装置的应用提高了目标显示模组的对位精度,提升了产品的良率与品质。
附图说明
为了更清楚地说明实施例或现有技术中的技术方案,下面将对实施例或现有技术描述中所需要使用的附图作简单介绍,显而易见地,下面描述中的附图仅仅是发明的一些实施例,对于本领域普通技术人员来讲,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。
图1为本申请显示模组的定位方法步骤图;
图2为本申请显示模组的定位装置的结构图。
本发明的实施方式
以下各实施例的说明是参考附加的图示,用以例示本申请可用以实施的特定实施例。本申请所提到的方向用语,例如[上]、[下]、[前]、[后]、[左]、[右]、[内]、[外]、[侧面]等,仅是参考附加图式的方向。因此,使用的方向用语是用以说明及理解本申请,而非用以限制本申请。在图中,结构相似的单元是用以相同标号表示。
请参阅图1,图1为本申请显示模组的定位方法步骤图。
请参阅图2,图2为本申请显示模组的定位装置的结构图。
所述显示模组的定位方法包括:
S10、将目标显示模组设置于第一支撑台与第二支撑台上;
在一种实施例中,所述目标显示模组为LCD显示模组或OLED显示模组。本申请以LCD显示模组为例进行说明。
所述目标显示模组100包括下偏光板101、位于所述下偏光板101之间的阵列基板102、位于所述阵列基板102上的液晶层(未画出)、位于所述液晶层上的彩膜基板103、及位于所述彩膜基板103上的上偏光板104。
所述阵列基板102包括像素区和绑定区105。
在本步骤中,所述目标显示模组100设置于所述第一支撑台200与所述第二支撑台300上。所述第一支撑台200对应所述像素区,所述第二支撑台300对应所述绑定区105。
所述像素区与所述第一支撑台200之间还设置有缓冲层400。所述缓冲层400用于保护所述下偏光板101被所述第一支撑台200划伤等损伤。
S20、在所述目标显示模组与所述第一支撑台之间设置第一接收器,在目标显示模组与所述第二支撑台之间设置第二接收器;
步骤S20、还包括激光校准装置的设置,所述激光校准装置包括光源发射器50、光源分光器51及光源接收器。所述光源接收器包括第一接收器521和第二接收器522。
本步骤具体包括:
S201、在所述第一支撑台与所述第二支撑台之间设置位于同一竖直线上的光源发射器及光源分光器;
所述第一支撑台200或所述第二支撑台300可以为可升降的装置。
在一种实施例中,当所述第二支撑台300为可升降装置,所述第一支撑台200为固定装置时,所述光源发射器50及所述光源分光器51与所述第一支撑台200固定连接,即如图2所示的方案。
在一种实施例中,当所述第一支撑台200为可升降装置,所述第二支撑台300为固定装置时,所述光源发射器50及所述光源分光器51与所述第二支撑台300固定连接。本申请不讨论此种方案。
在一种实施例中,所述光源分光器51包括第一接收端511、第一出射端512及第二出射端513。所述第一接收端511的中心与所述光源发射器50的中心位于同一竖直线上。所述第一出射端512的中心与所述第二出射端513的中心位于同一水平线上。所述第一出射端512的出射方向与所述第二出射端513的出射方向的夹角为180度。
S202、在目标显示模组与第一支撑台之间设置第一接收器;
所述第一接收器521设置于所述第一支撑台200上,紧邻所述缓冲层设置。所述第一接收器521的中心与所述光源分光器51的中心位于同一水平线上。
S203、在目标显示模组与第二支撑台之间设置第二接收器;
所述第二接收器522设置于所述第一支撑台200与所述第二支撑台300之间,且与所述第二支撑台300固定连接。
S30、所述第一接收器接收第一出射光线并记录第一数据,所述第二接收器接收第二出射光线并记录第二数据;
步骤S30具体包括:
S301、所述光源发射器发出原始出射光线;
S302、所述光源分光器的第一接收端接收所述原始出射光线,并从第一出射端发出所述第一出射光线、及第二出射端发出所述第二出射光线;
所述原始出射光线经过所述光源分光器51后,形成两道反方向的所述第一出射光线和所述第二出射光线。所述第一出射光线经所述第一出射端512被所述第一接收器521所接收。所述第二出射光线经所述第二出射端513被所述第二接收器522所接收。
S303、所述第一接收器接收所述第一出射光线,并记录所述第一数据;
S304、所述第二接收器接收所述第二出射光线,并记录所述第二数据。
在本实施例中,步骤S303与步骤S304同时进行。
所述第一数据主要记录所述第一出射光线与水平方向的夹角。所述第二数据主要记录所述第二出射光线与水平方向的夹角。
在一种实施例中,所述第一出射光线与所述第二出射光线位于同一水平线上,且所述第一出射光线与所述第二出射光线的夹角为180度。
S40、获取所述第一数据与所述第二数据差值的绝对值,并与预设阈值进行比较;
在本步骤中,当所述第一数据与所述第二数据差值的绝对值大于预设阈值时,试验员可以通过调整所述第一支撑台200或所述第二支撑台300的高度,使所述第一数据与所述第二数据的差值的绝对值不大于预设阈值。
当所述第一支撑台200为可升降装置时,对所述第一支撑台200的高度进行微调。当所述第二支撑台300为可升降装置时,对所述第二支撑台300的高度进行微调。在本实施例中,主要对所述第二支撑台300的高度进行微调,使所述第一数据与所述第二数据差值的绝对值不大于预设阈值。
理想状态下,所述第一数据与所述第二数据差值的绝对值为零。所述第一接收器521、所述第二接收器522以及所述光源分光器51的中心位于同一水平线上。
当所述第一数据与所述第二数据差值的绝对值不大于预设阈值时,所述目标显示模组100的定位工序完成。
S50、在所述目标显示模组的绑定区内依次形成涂布异方性导电胶膜与驱动芯片,并利用热压头对所述驱动芯片进行预压。
所述目标显示模组的绑定区与所述第二支撑柱对应。
S60、利用所述热压头完成所述驱动芯片与所述目标显示模组的压合。
本申请中的激光校准装置通过光源分光器完成了对位,保证了光源的单一性,降低了光源偏移风险以及环境(灰尘、颗粒)的影响,提高了目标显示模组水平方向的对位精度。
请参阅图2,本申请还提出了一种显示模组的定位装置,
所述显示模组的定位装置包括:
支撑构件,包括第一支撑台和第二支撑台,所述支撑构件用于支撑目标显示模组;
激光校准装置,包括光源发射器、光源分光器及光源接收器,所述光源发射器发出原始出射光线经所述光源分光器进入所述光源接收器;
其中,所述光源接收器包括:
第一接收器,靠近所述第一支撑台设置,所述第一接收器接收所述光源发射器发出的第一出射光线并记录第一数据;
第二接收器,靠近所述第二支撑台设置,所述第二接收器接收所述光源发射器发出的第二出射光线并记录第二数据;
当所述第一数据与所述第二数据差值的绝对值大于预设阈值时,调整所述第一支撑台或所述第二支撑台的高度,使所述第一数据与所述第二数据的差值的绝对值不大于预设阈值;
当所述第一数据与所述第二数据差值的绝对值不大于预设阈值时,完成所述目标显示模组的定位工序。
在一种实施例中,所述光源发射器及所述光源分光器位于所述第一支撑台与所述第二支撑台之间,且设置位于同一竖直线上;
所述光源发射器及所述光源分光器与所述第一支撑台固定连接。
在一种实施例中,所述光源分光器包括第一接收端、第一出射端及第二出射端;
所述第一接收端的中心与所述光源发射器的中心位于同一竖直线上;
所述第一出射端的中心与所述第二出射端的中心位于同一水平线上,所述第一出射端的出射方向与所述第二出射端的出射方向的夹角为180度。
在一种实施例中,所述光源分光器的所述第一接收端接收所述原始出射光线,并从所述第一出射端发出所述第一出射光线、及所述第二出射端发出所述第二出射光线。
在一种实施例中,所述第一出射光线与所述第二出射光线位于同一水平线上,所述第一出射光线与所述第二出射光线的夹角为180度。
在一种实施例中,所述第二接收器设置于所述第一支撑台与所述第二支撑台之间,且与所述第二支撑台固定连接。
在一种实施例中,所述第二支撑台为可升降装置,所述第一支撑台为固定装置。
在一种实施例中,所述目标显示模组与所述第一支撑台之间还设置有缓冲层。
在一种实施例中,所述目标显示模组包括绑定区;
所述第二支撑台与所述绑定区对应。
在一种实施例中,所述目标显示模组为LCD显示模组或OLED显示模组。
本申请提出了一种显示模组的定位方法及定位装置,主要包括在所述目标显示模组与所述第一支撑台之间设置第一接收器,在所述目标显示模组与所述第二支撑台之间设置第二接收器;所述第一接收器接收第一出射光线并记录第一数据;所述第二接收器接收第二出射光线并记录第二数据;获取所述第一数据与所述第二数据差值的绝对值,并与预设阈值进行比较。本申请通过在目标显示模组与支撑台之间设置激光校准装置,通过激光校准装置中接收器所接收的光源是否位于同一水平线上,以实现目标显示模组的水平方向的对位精度的实时监测;激光校准装置的应用提高了目标显示模组的对位精度,提升了产品的良率与品质。
综上所述,虽然本申请已以优选实施例揭露如上,但上述优选实施例并非用以限制本申请,本领域的普通技术人员,在不脱离本申请的精神和范围内,均可作各种更动与润饰,因此本申请的保护范围以权利要求界定的范围为准。

Claims (20)

  1. 一种显示模组的定位方法,其特征在于,包括:
    将目标显示模组设置于第一支撑台与第二支撑台上;
    在所述目标显示模组与所述第一支撑台之间设置第一接收器,在所述目标显示模组与所述第二支撑台之间设置第二接收器;
    所述第一接收器接收第一出射光线并记录第一数据,所述第二接收器接收第二出射光线并记录第二数据;
    获取所述第一数据与所述第二数据差值的绝对值,并与预设阈值进行比较;
    其中,当所述第一数据与所述第二数据差值的绝对值大于预设阈值时,调整所述第一支撑台或所述第二支撑台的高度,使所述第一数据与所述第二数据的差值的绝对值不大于预设阈值;
    当所述第一数据与所述第二数据差值的绝对值不大于预设阈值时,完成所述目标显示模组的定位工序。
  2. 根据权利要求1所述的定位方法,其特征在于,所述第一接收器接收第一出射光线并记录第一数据,所述第二接收器接收第二出射光线并记录第二数据的步骤之前,还包括:
    在所述第一支撑台与所述第二支撑台之间设置位于同一竖直线上的光源发射器及光源分光器;
    所述光源发射器及所述光源分光器与所述第一支撑台固定连接。
  3. 根据权利要求2所述的定位方法,其特征在于,
    所述光源分光器包括第一接收端、第一出射端及第二出射端;
    所述第一接收端的中心与所述光源发射器的中心位于同一竖直线上;
    所述第一出射端的中心与所述第二出射端的中心位于同一水平线上,所述第一出射端的出射方向与所述第二出射端的出射方向的夹角为180度。
  4. 根据权利要求2所述的定位方法,其特征在于,
    所述第二支撑台为可升降装置,所述第一支撑台为固定装置。
  5. 根据权利要求1所述的定位方法,其特征在于,所述第一接收器接收第一出射光线并记录第一数据;所述第二接收器接收第二出射光线并记录第二数据的步骤,包括:
    光源发射器发出原始出射光线;
    所述光源分光器的第一接收端接收所述原始出射光线,并从第一出射端发出所述第一出射光线、及第二出射端发出所述第二出射光线;
    所述第一接收器接收所述第一出射光线,并记录第一数据;
    所述第二接收器接收所述第二出射光线,并记录第二数据。
  6. 根据权利要求5所述的定位方法,其特征在于,
    所述第一出射光线与所述第二出射光线位于同一水平线上,且所述第一出射光线与所述第二出射光线的夹角为180度。
  7. 根据权利要求1所述的定位方法,其特征在于,
    所述第二接收器设置于所述第一支撑台与所述第二支撑台之间,且与所述第二支撑台固定连接。
  8. 根据权利要求1所述的定位方法,其特征在于,
    所述目标显示模组与所述第一支撑台之间还设置有缓冲层。
  9. 根据权利要求1所述的定位方法,其特征在于,
    所述目标显示模组包括绑定区;
    所述第二支撑台与所述绑定区对应。
  10. 根据权利要求1所述的定位方法,其特征在于,
    所述目标显示模组为LCD显示模组或OLED显示模组。
  11. 一种显示模组的定位装置,其特征在于,包括:
    支撑构件,包括第一支撑台和第二支撑台,所述支撑构件用于支撑目标显示模组;
    激光校准装置,包括光源发射器、光源分光器及光源接收器,所述光源发射器发出原始出射光线经所述光源分光器进入所述光源接收器;
    其中,所述光源接收器包括:
    第一接收器,靠近所述第一支撑台设置,所述第一接收器接收所述光源发射器发出的第一出射光线并记录第一数据;
    第二接收器,靠近所述第二支撑台设置,所述第二接收器接收所述光源发射器发出的第二出射光线并记录第二数据;
    当所述第一数据与所述第二数据差值的绝对值大于预设阈值时,调整所述第一支撑台或所述第二支撑台的高度,使所述第一数据与所述第二数据的差值的绝对值不大于预设阈值;
    当所述第一数据与所述第二数据差值的绝对值不大于预设阈值时,完成所述目标显示模组的定位工序。
  12. 根据权利要求11所述的定位装置,其特征在于,
    所述光源发射器及所述光源分光器位于所述第一支撑台与所述第二支撑台之间,且设置位于同一竖直线上;
    所述光源发射器及所述光源分光器与所述第一支撑台固定连接。
  13. 根据权利要求12所述的定位装置,其特征在于,
    所述光源分光器包括第一接收端、第一出射端及第二出射端;
    所述第一接收端的中心与所述光源发射器的中心位于同一竖直线上;
    所述第一出射端的中心与所述第二出射端的中心位于同一水平线上,所述第一出射端的出射方向与所述第二出射端的出射方向的夹角为180度。
  14. 根据权利要求13所述的定位装置,其特征在于,
    所述光源分光器的所述第一接收端接收所述原始出射光线,并从所述第一出射端发出所述第一出射光线、及所述第二出射端发出所述第二出射光线。
  15. 根据权利要求14所述的定位装置,其特征在于,
    所述第一出射光线与所述第二出射光线位于同一水平线上,所述第一出射光线与所述第二出射光线的夹角为180度。
  16. 根据权利要求11所述的定位装置,其特征在于,
    所述第二接收器设置于所述第一支撑台与所述第二支撑台之间,且与所述第二支撑台固定连接。
  17. 根据权利要求11所述的定位装置,其特征在于,
    所述第二支撑台为可升降装置,所述第一支撑台为固定装置。
  18. 根据权利要求11所述的定位装置,其特征在于,
    所述目标显示模组与所述第一支撑台之间还设置有缓冲层。
  19. 根据权利要求11所述的定位装置,其特征在于,
    所述目标显示模组包括绑定区;
    所述第二支撑台与所述绑定区对应。
  20. 根据权利要求11所述的定位装置,其特征在于,
    所述目标显示模组为LCD显示模组或OLED显示模组。
PCT/CN2019/084212 2018-11-29 2019-04-25 显示模组的定位方法及定位装置 WO2020107789A1 (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US16/485,437 US11168980B1 (en) 2018-11-29 2019-04-25 Positioning method and positioning device of display module

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201811443420.1A CN109405743B (zh) 2018-11-29 2018-11-29 显示模组的定位方法及定位装置、控制器及存储介质
CN201811443420.1 2018-11-29

Publications (1)

Publication Number Publication Date
WO2020107789A1 true WO2020107789A1 (zh) 2020-06-04

Family

ID=65456242

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2019/084212 WO2020107789A1 (zh) 2018-11-29 2019-04-25 显示模组的定位方法及定位装置

Country Status (3)

Country Link
US (1) US11168980B1 (zh)
CN (1) CN109405743B (zh)
WO (1) WO2020107789A1 (zh)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109064886B (zh) * 2018-08-29 2020-04-03 武汉华星光电技术有限公司 一种绑定机台水平对位系统及方法
CN109405743B (zh) * 2018-11-29 2020-07-10 武汉华星光电技术有限公司 显示模组的定位方法及定位装置、控制器及存储介质

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08184423A (ja) * 1994-12-28 1996-07-16 Mitsubishi Heavy Ind Ltd 基板のマトリックス精度検査装置
JPH1010508A (ja) * 1996-06-25 1998-01-16 Toshiba Corp 液晶セルの組立装置
CN103018870A (zh) * 2012-12-26 2013-04-03 重庆川仪自动化股份有限公司 激光光通路焦距调节方法及装置
CN106707573A (zh) * 2017-02-17 2017-05-24 福州京东方光电科技有限公司 绑定装置、显示面板、绑定系统及其操作方法
CN106783664A (zh) * 2017-01-03 2017-05-31 京东方科技集团股份有限公司 一种显示模组、绑定检测方法及绑定系统
CN206401288U (zh) * 2017-01-19 2017-08-11 合肥鑫晟光电科技有限公司 一种绑定对位装置
CN107479228A (zh) * 2017-09-11 2017-12-15 京东方科技集团股份有限公司 显示模组及显示模组的制备方法
CN109064886A (zh) * 2018-08-29 2018-12-21 武汉华星光电技术有限公司 一种绑定机台水平对位系统及方法
CN109405743A (zh) * 2018-11-29 2019-03-01 武汉华星光电技术有限公司 显示模组的定位方法及定位装置、控制器及存储介质

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09186220A (ja) * 1995-11-27 1997-07-15 Tokyo Electron Ltd 搬送装置及び搬送方法
KR20090057654A (ko) * 2007-12-03 2009-06-08 삼성전자주식회사 정렬 검사 방법 및 정렬 검사 장치
CN101655577B (zh) * 2009-09-28 2011-02-16 中南大学 一种集成光子器件快速对准方法和装置
CN202189532U (zh) * 2011-08-02 2012-04-11 章曙虹 一种智能检测装置
KR102117088B1 (ko) * 2013-08-09 2020-06-01 삼성디스플레이 주식회사 유기 발광 표시 장치의 제조 장치 및 제조 방법
CN104614880B (zh) * 2014-12-25 2017-04-19 昆山龙腾光电有限公司 一种液晶显示模组组装治具及方法
CN105242501B (zh) 2015-11-10 2017-07-11 中国科学院光电技术研究所 一种高精度调焦调平测量系统
CN105387805B (zh) * 2015-12-04 2017-12-26 中国科学院长春光学精密机械与物理研究所 基于远场光斑能量曲线的拼接误差检测方法
US10670977B2 (en) * 2016-09-30 2020-06-02 Nikon Corporation Movable body apparatus, moving method, exposure apparatus, exposure method, flat-panel display manufacturing method, and device manufacturing method
CN106773207B (zh) * 2016-12-26 2020-01-17 武汉华星光电技术有限公司 显示面板的制造方法
CN107248551B (zh) * 2017-06-08 2019-01-25 京东方科技集团股份有限公司 一种贴附装置和贴附方法
CN109143624B (zh) * 2018-08-28 2020-06-16 武汉华星光电技术有限公司 面板吸附装置及采用该装置的自动吸附方法
US20200201086A1 (en) * 2018-12-19 2020-06-25 Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd. Bonding device for a display panel and bonding method for same

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08184423A (ja) * 1994-12-28 1996-07-16 Mitsubishi Heavy Ind Ltd 基板のマトリックス精度検査装置
JPH1010508A (ja) * 1996-06-25 1998-01-16 Toshiba Corp 液晶セルの組立装置
CN103018870A (zh) * 2012-12-26 2013-04-03 重庆川仪自动化股份有限公司 激光光通路焦距调节方法及装置
CN106783664A (zh) * 2017-01-03 2017-05-31 京东方科技集团股份有限公司 一种显示模组、绑定检测方法及绑定系统
CN206401288U (zh) * 2017-01-19 2017-08-11 合肥鑫晟光电科技有限公司 一种绑定对位装置
CN106707573A (zh) * 2017-02-17 2017-05-24 福州京东方光电科技有限公司 绑定装置、显示面板、绑定系统及其操作方法
CN107479228A (zh) * 2017-09-11 2017-12-15 京东方科技集团股份有限公司 显示模组及显示模组的制备方法
CN109064886A (zh) * 2018-08-29 2018-12-21 武汉华星光电技术有限公司 一种绑定机台水平对位系统及方法
CN109405743A (zh) * 2018-11-29 2019-03-01 武汉华星光电技术有限公司 显示模组的定位方法及定位装置、控制器及存储介质

Also Published As

Publication number Publication date
CN109405743B (zh) 2020-07-10
US20210333096A1 (en) 2021-10-28
US11168980B1 (en) 2021-11-09
CN109405743A (zh) 2019-03-01

Similar Documents

Publication Publication Date Title
US10670899B2 (en) Apparatus having a plurality of curable resin parts with different hardening state
US8901525B2 (en) Panel alignment apparatus and panel alignment method
WO2020107789A1 (zh) 显示模组的定位方法及定位装置
KR20100007272A (ko) 디스플레이 패널의 인라인 컷팅 시스템 및 이를 이용한디스플레이 패널 제조방법
JPWO2006016463A1 (ja) 液晶パネル、液晶表示装置、液晶パネルの製造方法、及び液晶パネルの製造装置
WO2019100559A1 (zh) 点灯回点治具及其检测面板的方法
US20060132696A1 (en) Liquid crystal display
WO2021012337A1 (zh) 显示装置的绑定方法及显示装置
KR20070071171A (ko) 액정표시패널의 절단방법 및 이를 이용한 액정표시패널의제조방법
US20220190304A1 (en) Organic light emitting diode (oled) display screen and method for manufacturing same
CN109031745A (zh) 待切割显示模组及其制作方法
JP2004325788A (ja) 光学的検査方法及び光学的検査装置、並びに液晶表示装置の製造方法
US7990494B2 (en) Liquid crystal display including circular or polygonal polarizing plates each whose absorption and transmission axes have improved precision in direction
WO2020042600A1 (zh) 绑定机台水平对系统及方法
JP2008058638A (ja) 偏光板及び液晶装置、並びに電子機器
JPWO2019038955A1 (ja) ディスプレイ製造装置および製造方法、ディスプレイ
CN101613177A (zh) 划线设备及采用该划线设备制造显示面板的方法
WO2020181601A1 (zh) 显示母板及显示面板
JPH10260410A (ja) 基板の組立て装置及び組立て方法
WO2020215544A1 (zh) 液晶显示装置的制作方法
US9268161B2 (en) Method for manufacturing a liquid crystal panel
US20180120602A1 (en) Liquid crystal display panel and manufacturing method thereof
US20190171046A1 (en) Liquid crystal display device and method of manufacturing liquid crystal display device
KR20170135529A (ko) 타일형 표시장치의 외관 검사장치 및 그 검사방법
JPH11133440A (ja) 液晶表示装置及びその製造方法

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 19891483

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 19891483

Country of ref document: EP

Kind code of ref document: A1