WO2016106862A1 - 一种液晶显示面板的品质的监控方法 - Google Patents

一种液晶显示面板的品质的监控方法 Download PDF

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WO2016106862A1
WO2016106862A1 PCT/CN2015/070832 CN2015070832W WO2016106862A1 WO 2016106862 A1 WO2016106862 A1 WO 2016106862A1 CN 2015070832 W CN2015070832 W CN 2015070832W WO 2016106862 A1 WO2016106862 A1 WO 2016106862A1
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quality
liquid crystal
crystal display
monitoring
value
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陈黎暄
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TCL China Star Optoelectronics Technology Co Ltd
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Shenzhen China Star Optoelectronics Technology Co Ltd
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    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/006—Electronic inspection or testing of displays and display drivers, e.g. of LED or LCD displays
    • 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
    • G02F1/1306—Details
    • G02F1/1309—Repairing; Testing
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
    • G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
    • G09G3/36—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source using liquid crystals
    • 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
    • G02F2203/00—Function characteristic
    • G02F2203/69—Arrangements or methods for testing or calibrating a device
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2330/00—Aspects of power supply; Aspects of display protection and defect management
    • G09G2330/12—Test circuits or failure detection circuits included in a display system, as permanent part thereof

Definitions

  • the present invention claims the priority of the prior art application entitled “A Method for Monitoring the Quality of a Liquid Crystal Display Panel”, filed on December 31, 2014, the content of which is incorporated herein by reference. This.
  • the present invention relates to the field of display, and in particular, to a method for monitoring quality of a liquid crystal display panel.
  • Liquid crystal display is a commonly used electronic device, which is favored by users because of its low power consumption, small size and light weight.
  • multiple processes are required, such as an array substrate process, a color filter substrate process, and the like.
  • the quality parameters in each process have a certain influence on the quality of the liquid crystal display panel (such as gamma value, contrast or transmittance).
  • the quality parameters in all processes ultimately lead to a good or bad effect on the LCD panel.
  • the quality of the liquid crystal display cannot be well monitored in the quality of the liquid crystal display.
  • the invention provides a method for monitoring the quality of a liquid crystal display, and the method for monitoring the quality of the liquid crystal display comprises:
  • the quality of the liquid crystal display is judged to be normal.
  • the method for monitoring the quality of the liquid crystal display further includes:
  • the quality of the liquid crystal display is judged to be abnormal.
  • the method for monitoring the quality of the liquid crystal display further includes:
  • the process corresponding to the at least one quality parameter is adjusted.
  • the method for monitoring the quality of the liquid crystal display further includes:
  • the quality parameter corresponding to at least one process after the process is adjusted.
  • the method for monitoring the quality of the liquid crystal display further includes:
  • the quality is obtained by a least squares method An expression describing the quality parameter.
  • the quality of the liquid crystal display includes a gamma value or a contrast or a transmittance of the liquid crystal display.
  • the quality parameter of the liquid crystal display includes the thickness of the alignment film, the temperature of the alignment film, the distance between the pixel electrodes, the thickness of the pixel electrode, the spacing between the color filter substrate and the thin film transistor array substrate, and the loading of the liquid crystal panel.
  • the quality monitoring method of the liquid crystal display of the present invention selects a plurality of quality parameters related to the quality of the liquid crystal display, and obtains an expression of the quality parameter with respect to each quality parameter to obtain each quality.
  • the value of the parameter, and the value of each quality parameter is brought into an expression for a plurality of said quality parameters, and the first value is obtained.
  • the quality of the liquid crystal display is judged to be normal. Therefore, in the quality monitoring method of the liquid crystal display of the present invention, the quality of the liquid crystal display can be monitored, and the occurrence of defective products is avoided to some extent.
  • FIG. 1 is a flow chart of a method for monitoring quality of a liquid crystal display according to a preferred embodiment of the present invention.
  • FIG. 1 is a flow chart of a method for monitoring quality of a liquid crystal display according to a preferred embodiment of the present invention.
  • the quality monitoring method of the liquid crystal display is used to monitor parameters in each process of the liquid crystal display preparation, and determine whether the quality of the finally obtained liquid crystal display is normal.
  • the method of monitoring the quality of the liquid crystal display includes, but is not limited to, the following steps. The numbering of the following steps is not intended to limit the actual monitoring sequence of the present invention.
  • Step S101 Acquire a plurality of quality parameters related to the quality of the liquid crystal display, and obtain an expression of the quality regarding the quality parameter.
  • step S101 “acquiring a plurality of quality parameters related to the quality of the liquid crystal display, and obtaining an expression of the quality with respect to the quality parameter”, specifically, how much the quality parameter is obtained by the least squares method.
  • the quality of the liquid crystal display includes a gamma value or contrast or transmittance of the liquid crystal display.
  • the quality parameters of the liquid crystal display include the thickness of the alignment film, the temperature of the alignment film, the distance between the pixel electrodes, the thickness of the pixel electrode, the spacing between the color filter substrate and the thin film transistor array substrate, the voltage applied to the liquid crystal panel, A combination of the brightness of the liquid crystal panel, the quality of the liquid crystal, or at least one.
  • the method for monitoring the quality parameters of the liquid crystal display will be described below by taking the quality of the liquid crystal display as the gamma value of the liquid crystal display. Taking the gamma-related quality parameters of the liquid crystal display as four, the four related quality parameters are named A, B, C and D.
  • a, b, c and d are coefficients.
  • the coefficients a, b, c and d can be obtained by pairs of quality parameters A, B, C and D and S.
  • Gamma of the liquid crystal display is thus obtained with respect to the expressions of the quality parameters A, B, C and D.
  • Step S102 Acquire a value of each quality parameter, and bring the value of each quality parameter into an expression of the quality parameter with respect to the quality parameter to obtain a first value.
  • Step S103 determining whether the first value falls within a preset range.
  • the preset range characterizes whether the liquid crystal display is normal. When the first value falls within the preset range, the quality of the liquid crystal display is normal; when the first value does not fall into the The quality of the liquid crystal display is abnormal when the range is preset.
  • Step S104 when the first numerical value falls within the preset range, the quality of the liquid crystal display is determined to be normal.
  • Step S105 when the first value does not fall within the preset range, the quality of the liquid crystal display is determined to be abnormal.
  • Step S106 When the quality of the liquid crystal display is determined to be abnormal, the process corresponding to the at least one quality parameter is adjusted.
  • the method for monitoring the quality of the liquid crystal display further includes the following steps.
  • Step S107 detecting corresponding quality parameters in each process of the liquid crystal display.
  • Step S108 If the first value found in a certain process does not fall within the preset range, adjust the quality parameter corresponding to the at least one process after the process. Through the step S108, the quality parameter of the other processes after the process is adjusted to make the quality of the liquid crystal display normal.
  • step S109 after the first value obtained by adjusting the quality parameter corresponding to the at least one process after the process cannot fall within the preset range, the quality parameter corresponding to the at least one process before the process is adjusted.
  • the relatively advanced process in the process of the entire liquid crystal display is adjusted to achieve good quality of the liquid crystal display.
  • the quality monitoring method of the liquid crystal display of the present invention selects a plurality of quality parameters related to the quality of the liquid crystal display, and obtains an expression of the quality parameter with respect to each quality parameter to obtain each quality.
  • the value of the parameter and bring the value of each quality parameter into the In the expression of the quality parameter the first value is obtained.
  • the quality of the liquid crystal display is judged to be normal. Therefore, in the quality monitoring method of the liquid crystal display of the present invention, the quality of the liquid crystal display can be monitored, and the occurrence of defective products is avoided to some extent.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • Theoretical Computer Science (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Chemical & Material Sciences (AREA)
  • Nonlinear Science (AREA)
  • Optics & Photonics (AREA)
  • Testing Of Optical Devices Or Fibers (AREA)
  • Liquid Crystal Display Device Control (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
  • Liquid Crystal (AREA)

Abstract

一种液晶显示器的品质的监控方法，包括：选取表示液晶显示器的品质相关的多个品质参数，并得到所述品质关于多个所述品质参数的表达式（S101）；获取每个品质参数的值，将每个品质参数的值带入所述品质关于多个所述品质参数的表达式中以得到第一数值（S102）；判断所述第一数值是否落入一预设范围（S103）；当所述第一数值落入所述预设范围时，则所述液晶显示器的品质被判断为正常（S104）。

Description

一种液晶显示面板的品质的监控方法
本发明要求2014年12月31日递交的发明名称为“一种液晶显示面板的品质的监控方法”的申请号201410854048.9的在先申请优先权，上述在先申请的内容以引入的方式并入本文本中。
技术领域
本发明涉及显示领域，尤其涉及一种液晶显示面板的品质的监控方法。
背景技术
液晶显示器(Liquid Crystal Display,LCD)是一种常用的电子设备，由于其具有功耗低、体积小、重量轻等特点，因此备受用户的青睐。在液晶显示面板的生产过程中，需要多道制程，比如阵列基板制程，彩色滤光基板制程等。各个制程中的品质参数对液晶显示面板的品质(比如Gamma值，对比度或者穿透率等)有着一定的影响。所有制程中的品质参数最终导致会对液晶显示面板的好坏。现有技术中，在液晶显示器的品质不能够很好地在液晶显示器的品质得到监控。
发明内容
本发明提供一种液晶显示器的品质的监控方法，所述液晶显示器的品质的监控方法包括：
选取表示液晶显示器的品质相关的多个品质参数，并得到所述品质关于多个所述品质参数的表达式；
获取每个品质参数的值，将每个品质参数的值带入所述品质关于多个所述品质参数的表达式中以得到第一数值；
判断所述第一数值是否落入一预设范围；
当所述第一数值落入所述预设范围时，则所述液晶显示器的品质被判断为正常。
其中，所述液晶显示器的品质的监控方法还包括：
当所述第一数值没有落入所述预设范围时，所述液晶显示器的品质被判断为不正常。
其中，所述液晶显示器的品质的监控方法还包括：
当所述液晶显示器的品质被判断为不正常时，调整至少一个品质参数对应的制程。
其中，所述液晶显示器的品质的监控方法还包括：
监测液晶显示器的每个制程中对应的品质参数；
若在某一制程中发现最终得到的所述第一数值没有落入所述预设范围，则调整所述制程之后的至少一个制程所对应的品质参数。
其中，所述液晶显示器的品质的监控方法还包括：
当调整所述制程之后的至少一个制程所对应的品质参数后得到的第一数值还不能落入所述预设范围，则调整所述制程之前的至少一个制程所对应的品质参数。
其中，在所述步骤“选取表示液晶显示器的品质相关的多个品质参数，并得到所述品质关于多个所述品质参数的表达式”中，通过最小二乘法得到所述品质关于多个所述品质参数的表达式。
其中，所述液晶显示器的品质包括液晶显示器的Gamma值或者对比度或者穿透率。
其中，所述液晶显示器的品质参数包括配向膜的厚度、配向膜的温度、像素电极之间的距离、像素电极的厚度、彩色滤光基板与薄膜晶体管阵列基板之间的间距、液晶面板加载的电压、液晶面板的亮度、液晶的质量的一个或者至少一个的组合。
与现有技术相较，本发明的液晶显示器的品质的监控方法，选取表征液晶显示器的品质相关的多个品质参数，并得到所述品质参数关于每个品质参数的表达式，获取每个品质参数的值，并将每个品质参数的值带入到关于多个所述品质参数的表达式中，得到了第一数值。当第一数值落到所述预设范围中时，所述液晶显示器的品质被判断为正常。因此，在本发明的液晶显示器的品质的监控方法中能够对液晶显示器的品质进行监控，在一定程度上避免了不良产品的出现。
附图说明
为了更清楚地说明本发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为本发明一较佳实施方式的液晶显示器的品质的监控方法的流程图。
具体实施方式
下面将结合本发明实施例中的附图，对本发明实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本发明一部分实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例，都属于本发明保护的范围。
请参阅图1，图1为本发明一较佳实施方式的液晶显示器的品质的监控方法的流程图。所述液晶显示器的品质的监控方法用于对液晶显示器制备的各个制程中的参数进行监控，并判断最终得到的液晶显示器的品质是否正常。所述液晶显示器的品质的监控方法包括但不仅限于以下步骤。以下步骤的编号并非用于限制本发明的实际监测顺序。
步骤S101，获取表示液晶显示器的品质相关的多个品质参数，并得到所述品质关于所述品质参数的表达式。在所述步骤S101中“获取表示液晶显示器的品质相关的多个品质参数，并得到所述品质关于所述品质参数的表达式”具体为通过最小二乘法得到所述品质关于多少所述品质参数的表达式。所述液晶显示器的品质包括液晶显示器的Gamma值或者对比度或者穿透率等。所述液晶显示器的品质参数包括配向膜的厚度、配向膜的温度、像素电极之间的距离、像素电极的厚度、彩色滤光基板与薄膜晶体管阵列基板之间的间距、液晶面板加载的电压、液晶面板的亮度、液晶的质量一个或者至少一个的组合。下面以所述液晶显示器的品质为所述液晶显示器的Gamma值为例对液晶显示器的品质参数的监控方法进行介绍。以所述液晶显示器的Gamma相关的品质参数为四个为例，所述四个相关的品质参数命名为A，B，C和D。则得到所述 液晶显示器的Gamma关于所述品质参数A，B，C和D的表达式为S＝a*A+b*B+c*C+d*D。其中，a，b，c和d为系数。可以通过对多组品质参数A，B，C和D以及S得到系数a，b，c和d。从而得到了所述液晶显示器的Gamma关于所述品质参数A，B，C和D的表达式。
步骤S102，获取每个品质参数的值，将每个品质参数的值带入所述品质关于所品质参数的表达式中以得到第一数值。
步骤S103，判断所述第一数值是否落入一预设范围。所述预设范围表征所述液晶显示器是否正常的一个标准，当第一数值落入到所述预设范围时，所述液晶显示器的品质是正常的；当所述第一数值没有落入到所述预设范围时，所述液晶显示器的品质是不正常的。
步骤S104，当所述第一数值落入所述预设范围时，则所述液晶显示器的品质被判断为正常。
步骤S105，当所述第一数值没有落入所述预设范围时，所述液晶显示器的品质被判断为不正常。
步骤S106，当所述液晶显示器的品质被判断为不正常时，则调整至少一个品质参数对应的制程。
所述液晶显示器的品质的监控方法还包括如下步骤。
步骤S107，检测液晶显示器的每个制程中对应的品质参数。
步骤S108，若在某一制程中发现得到的第一数值没有落入所述预设范围，则调整所述制程之后的至少一个制程所对应的品质参数。通过所述步骤S108，以通过所述制程之后的其他制程中品质参数的调整，以使所述液晶显示器的品质正常。
步骤S109，当调整所述制程之后的至少一个制程所对应的品质参数后得到的第一数值还不能落入所述预设范围，则调整所述制程之前的至少一个制程对应的品质参数。通过所述步骤S109，以对所述整个液晶显示器的制程中的较为靠前的制程进行调整，以使所述液晶显示器的品质达到良好。
与现有技术相较，本发明的液晶显示器的品质的监控方法，选取表征液晶显示器的品质相关的多个品质参数，并得到所述品质参数关于每个品质参数的表达式，获取每个品质参数的值，并将每个品质参数的值带入到关于多个所述 品质参数的表达式中，得到了第一数值。当第一数值落到所述预设范围中时，所述液晶显示器的品质被判断为正常。因此，在本发明的液晶显示器的品质的监控方法中能够对液晶显示器的品质进行监控，在一定程度上避免了不良产品的出现。
以上所揭露的仅为本发明一种较佳实施例而已，当然不能以此来限定本发明之权利范围，本领域普通技术人员可以理解实现上述实施例的全部或部分流程，并依本发明权利要求所作的等同变化，仍属于发明所涵盖的范围。

Claims (8)

  1. 一种液晶显示器的品质的监控方法，其中，所述液晶显示器的品质的监控方法包括：
    选取表示液晶显示器的品质相关的多个品质参数，并得到所述品质关于多个所述品质参数的表达式；
    获取每个品质参数的值，将每个品质参数的值带入所述品质关于多个所述品质参数的表达式中以得到第一数值；
    判断所述第一数值是否落入一预设范围；
    当所述第一数值落入所述预设范围时，则所述液晶显示器的品质被判断为正常。
  2. 如权利要求1所述的液晶显示器的品质的监控方法，其中，所述液晶显示器的品质的监控方法还包括：
    当所述第一数值没有落入所述预设范围时，所述液晶显示器的品质被判断为不正常。
  3. 如权利要求2所述的液晶显示器的品质的监控方法，其中，所述液晶显示器的品质的监控方法还包括：
    当所述液晶显示器的品质被判断为不正常时，调整至少一个品质参数对应的制程。
  4. 如权利要求1所述的液晶显示器的品质的监控方法，其中，所述液晶显示器的品质的监控方法还包括：
    监测液晶显示器的每个制程中对应的品质参数；
    若在某一制程中发现最终得到的所述第一数值没有落入所述预设范围，则调整所述制程之后的至少一个制程所对应的品质参数。
  5. 如权利要求4所述的液晶显示器的品质的监控方法，其中，所述液晶显 示器的品质的监控方法还包括：
    当调整所述制程之后的至少一个制程所对应的品质参数后得到的第一数值还不能落入所述预设范围，则调整所述制程之前的至少一个制程所对应的品质参数。
  6. 如权利要求1所述的液晶显示器的品质的监控方法，其中，在所述步骤“选取表示液晶显示器的品质相关的多个品质参数，并得到所述品质关于多个所述品质参数的表达式”中，通过最小二乘法得到所述品质关于多个所述品质参数的表达式。
  7. 如权利要求1所述的液晶显示器的品质参数的监控方法，其中，所述液晶显示器的品质包括液晶显示器的Gamma值或者对比度或者穿透率。
  8. 如权利要求1所述的液晶显示器的品质参数的监控方法，其中，所述液晶显示器的品质参数包括配向膜的厚度、配向膜的温度、像素电极之间的距离、像素电极的厚度、彩色滤光基板与薄膜晶体管阵列基板之间的间距、液晶面板加载的电压、液晶面板的亮度、液晶的质量的一个或者至少一个的组合。
PCT/CN2015/070832 2014-12-31 2015-01-16 一种液晶显示面板的品质的监控方法 Ceased WO2016106862A1 (zh)

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