CN102809857B - 一种液晶显示面板以及液晶显示装置 - Google Patents

一种液晶显示面板以及液晶显示装置 Download PDF

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CN102809857B
CN102809857B CN201210257814.4A CN201210257814A CN102809857B CN 102809857 B CN102809857 B CN 102809857B CN 201210257814 A CN201210257814 A CN 201210257814A CN 102809857 B CN102809857 B CN 102809857B
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sweep trace
thin film
extension
tft
film transistor
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CN102809857A (zh
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罗时勲
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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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Priority to CN201210257814.4A priority Critical patent/CN102809857B/zh
Priority to PCT/CN2012/079183 priority patent/WO2014015494A1/zh
Priority to DE112012006629.4T priority patent/DE112012006629T5/de
Priority to US13/578,616 priority patent/US8941573B2/en
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    • 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
    • G02F1/136259Repairing; Defects
    • 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
    • G02F1/136286Wiring, e.g. gate line, drain line
    • 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
    • G02F1/136259Repairing; Defects
    • G02F1/136263Line defects
    • 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
    • G02F1/136259Repairing; Defects
    • G02F1/136272Auxiliary lines
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2300/00Aspects of the constitution of display devices
    • G09G2300/04Structural and physical details of display devices
    • G09G2300/0421Structural details of the set of electrodes
    • G09G2300/0426Layout of electrodes and connections
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2330/00Aspects of power supply; Aspects of display protection and defect management
    • G09G2330/08Fault-tolerant or redundant circuits, or circuits in which repair of defects is prepared
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20Control 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
    • G09G3/34Control 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
    • G09G3/36Control 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
    • G09G3/3611Control of matrices with row and column drivers
    • G09G3/3648Control of matrices with row and column drivers using an active matrix

Abstract

本发明公开了一种液晶显示面板以及液晶显示装置,其包括:数据线、与该数据线相交设置的扫描线、位于两相邻该扫描线和两相邻数据线所围区域的像素电极以及设置在该数据线和该扫描线相交处的薄膜晶体管,该薄膜晶体管的栅极连接该扫描线,源极连接该数据线,漏极连接该像素电极。其中,该像素电极的长边与该扫描线平行设置,该薄膜晶体管的漏极具有延长部以作为该扫描线的修复线,其中,该延长部沿着平行于该扫描线的方向延伸,且该延长部远离该薄膜晶体管的一端与该扫描线部分重叠。通过上述方式,本发明便于对断线的扫描线进行修补,提高生产良率从而节约生产成本。

Description

一种液晶显示面板以及液晶显示装置
技术领域
本发明涉及显示技术领域,特别是涉及一种液晶显示面板以及液晶显示装置。
背景技术
随着科学技术的发展,液晶显示装置以其薄型、轻量以及低功耗等特性,使得其在各领域中使用率相当地高。一般液晶显示装置包括液晶显示面板和背光模组。其中,液晶显示面板包括多个矩阵排列的像素单元,每一个像素单元又包括红(R)、绿(G)以及蓝(B)三个子像素单元。
请参阅图1,图1是现有技术中液晶显示面板的像素单元的结构示意图。为了节约成本,像素单元10中的RGB三个子像素单元采取竖排的方式(trigate pixel),此时,扫描线12的数量增加,扫描线12出现断线的几率也随之提高。如果有较多的扫描线12断线,会降低生产良率,最终导致生产成本增加。
因此,需要提供一种液晶显示面板以及液晶显示装置来解决上述问题。
发明内容
本发明主要解决的技术问题是提供一种液晶显示面板以及液晶显示装置,便于对断线的扫描线进行修补,提高生产良率从而节约生产成本。
为解决上述技术问题,本发明采用的一个技术方案是:提供一种液晶显示面板,其包括:数据线、与数据线相交设置的扫描线、位于两相邻扫描线和两相邻数据线所围区域的像素电极以及设置在数据线和扫描线相交处的薄膜晶体管,薄膜晶体管的栅极连接扫描线,源极连接数据线,漏极连接像素电极,其中,像素电极的长边与扫描线平行设置,薄膜晶体管的漏极具有延长部以作为扫描线的修复线,其中,延长部沿着平行于扫描线的方向延伸,且延长部远离薄膜晶体管的一端与扫描线部分重叠。
其中,延长部包括与扫描线平行设置的主体部以及连接主体部远离薄膜晶体管的一端的弯折部,其中弯折部朝向扫描线延伸并与扫描线部分重叠。
其中,弯折部与主体部之间垂直相接。
其中,扫描线在邻近延长部远离薄膜晶体管的一端处对应设有凸起部,凸起部朝向延长部延伸且和延长部的末端部分重叠。
其中,凸起部与扫描线之间垂直相接。
为解决上述技术问题,本发明采用的另一个技术方案是:提供一种液晶显示装置,其包括:液晶显示面板以及背光模组,背光模组用于为液晶显示面板提供所需的光源,其中,液晶显示面板包括:数据线、与数据线相交设置的扫描线、位于两相邻扫描线和两相邻数据线所围区域的像素电极以及设置在数据线和扫描线相交处的薄膜晶体管,薄膜晶体管的栅极连接扫描线,源极连接数据线,漏极连接像素电极,其中,像素电极的长边与扫描线平行设置,薄膜晶体管的漏极具有延长部以作为扫描线的修复线,其中,延长部沿着平行于扫描线的方向延伸,且延长部远离薄膜晶体管的一端与扫描线部分重叠。
其中,延长部包括与扫描线平行设置的主体部以及连接主体部远离薄膜晶体管的一端的弯折部,其中弯折部朝向扫描线延伸并与扫描线部分重叠。
其中,弯折部与主体部之间垂直相接。
其中,扫描线在邻近延长部远离薄膜晶体管的一端处对应设有凸起部,凸起部朝向延长部延伸且和延长部的末端部分重叠。
其中,凸起部与扫描线之间垂直相接
本发明的有益效果是:区别于现有技术的情况,本发明通过利用薄膜晶体管的漏极的延长部充当扫描线断线时的修补线,能够将扫描线断线的不良品修补成良品,提高生产良率从而节约生产成本。
附图说明
图1是现有技术中液晶显示面板的像素单元的结构示意图;
图2是本发明液晶显示面板的结构示意图;
图3是本发明液晶显示面板第一实施例的像素单元的结构示意图;
图4是本发明液晶显示面板第二实施例的像素单元的结构示意图;
图5是本发明液晶显示面板第一实施例中扫描线发生断线后的修补结构示意图;
图6是本发明液晶显示面板第二实施例中扫描线发生断线后的修补结构示意图;
图7是本发明液晶显示装置的结构示意图。
具体实施方式
下面结合附图和实施例对本发明进行详细说明。
参阅图2,图2是本发明液晶显示面板结构示意图。如图2所示,本实施例的液晶显示面板2包括:多条数据线21、与多条数据线相交设置的扫描线20、位于两相邻扫描线20和两相邻数据线21所围区域的像素电极23以及设置在数据线21和扫描线20相交处的薄膜晶体管22。
其中,薄膜晶体管22的栅极g1连接扫描线20,薄膜晶体管22的源极s1连接数据线21,薄膜晶体管22的漏极d1连接像素电极23。
参阅图3,图3是本发明液晶显示面板第一实施例的像素单元的结构示意图。在本实施例中,像素电极23的长边优选与扫描线20平行设置,薄膜晶体管22的漏极d1具有延长部26以作为扫描线20的修复线,其中,延长部26沿着平行于扫描线20的方向延伸,且延长部26远离薄膜晶体管22的一端与扫描线20部分重叠。
具体地,延长部26包括与扫描线20平行设置的主体部24以及连接主体部24远离薄膜晶体管的一端的弯折部25。在本是实施例中,主体部24优选为与扫描线20平行设置。应理解,在其他实施例中,主体部24与扫描线20也可以不为平行设置。
其中,弯折部25朝向扫描线20延伸并与扫描线20部分重叠。在本实施例中,弯折部25优选与主体部24之间垂直相接。值得注意的是,在其他实施例中,弯折部25与主体部24之间也可以设置为不垂直相接。
同时,在本实施例中,弯折部25与扫描线20重叠处弯折部25优选未超出扫描线20,在其他实施例中,弯折部25与扫描线20重叠处弯折部25也可以超出扫描线。
参阅图4,图4是本发明液晶显示面板第二实施例的像素单元的结构示意图。在本实施例中,像素电极23的长边优选与扫描线20平行设置,薄膜晶体管22的漏极d1具有延长部28以作为扫描线20的修复线,其中,延长部28沿着平行于扫描线20的方向延伸,且延长部28远离薄膜晶体管22的一端与扫描线20部分重叠。扫描线20在邻近延长部28远离薄膜晶体管的一端处对应设有凸起部27,凸起部27朝向延长部28延伸且和延长部28的末端部分重叠。
在本实施例中,凸起部27优选设置为与扫描线20垂直相接,在其他实施例中,凸起部27也可以设置为与扫描线不垂直相接。
参阅图5,图5是本发明液晶显示面板第一实施例中扫描线发生断线后的修补结构示意图。当扫描线20发生断线时,将位于薄膜晶体管22的漏极d1和栅极g1的重叠区域处的A点打通孔并且利用激光焊接实现漏极d1与栅极g1之间的电连接,同时将延长部26和扫描线20的重叠处B点打通孔并利用激光焊接技术处理以实现延长部26和扫描线20的电连接,由于栅极g1与扫描线20为电连接,则上述方式可实现扫描线20两端的电连接,通过上述A、B两点的电连接处理,从A点到B点的修复线充当扫描线,可以起到修复扫描线的效果。
参阅图6,图6是本发明液晶显示面板第二实施例中扫描线发生断线后的修补结构示意图。当扫描线20发生断线时,将薄膜晶体管22的漏极d1和栅极g1的重叠区域处C点打通孔并且利用激光焊接实现漏极d1与栅极g1之间的电连接,同时将延长部28与扫描线20的凸起部27的重叠处D点打通孔并利用激光焊接以实现延长部28和扫描线20的凸起部27之间电连接,由于栅极g1与扫描线20为电连接,则上述方式可实现扫描线20两端的电连接,通过上述C、D两点的电连接处理,从C点到D点的修复线充当扫描线,同样可以起到修复扫描线的效果。
此外,本发明还提供了一种液晶显示装置。参阅图7,图7为本发明的液晶显示装置的结构示意图。液晶显示装置30包括液晶显示面板31以及背光模组32,液晶显示面板31为上述任一种实施方式所述的液晶显示面板。
区别于现有技术的情况,本发明通过利用薄膜晶体管的漏极的延长部充当扫描线断线时的修补线,在扫描线断线时用激光焊接技术将扫描线两端重新电连接,从而能够将扫描线断线的不良品修补成良品,提高生产良率从而节约生产成本。
以上所述仅为本发明的实施例,并非因此限制本发明的专利范围,凡是利用本发明说明书及附图内容所作的等效结构或等效流程变换,或直接或间接运用在其他相关的技术领域,均同理包括在本发明的专利保护范围内。

Claims (2)

1.一种液晶显示面板,其包括:数据线、与所述数据线相交设置的扫描线、位于两相邻所述扫描线和两相邻数据线所围区域的像素电极以及设置在所述数据线和所述扫描线相交处的薄膜晶体管,所述薄膜晶体管的栅极连接所述扫描线,源极连接所述数据线,漏极连接所述像素电极;
其特征在于,所述像素电极的长边与所述扫描线平行设置,所述薄膜晶体管的漏极具有延长部以作为所述扫描线的修复线,其中,所述延长部沿着平行于所述扫描线的方向延伸,且所述延长部远离所述薄膜晶体管的一端与所述扫描线部分重叠,其中,所述扫描线在邻近所述延长部远离所述薄膜晶体管的一端处对应设有凸起部,所述凸起部朝向所述延长部延伸且和所述延长部的末端部分重叠,所述凸起部与所述扫描线之间垂直相接,当所述扫描线发生断线时,将所述薄膜晶体管的漏极和栅极的重叠区域处打通孔并且利用激光焊接实现漏极与栅极之间的电连接,将所述延长部与所述扫描线的凸起部的重叠处打通孔并利用激光焊接以实现延长部和扫描线的凸起部之间电连接,所述栅极与所述扫描线为电连接。
2.一种液晶显示装置,其包括:液晶显示面板以及背光模组,所述背光模组用于为所述液晶显示面板提供所需的光源,其中,所述液晶显示面板包括:
数据线、与所述数据线相交设置的扫描线、位于两相邻所述扫描线和两相邻数据线所围区域的像素电极以及设置在所述数据线和所述扫描线相交处的薄膜晶体管,所述薄膜晶体管的栅极连接所述扫描线,源极连接所述数据线,漏极连接所述像素电极;
其特征在于,所述像素电极的长边与所述扫描线平行设置,所述薄膜晶体管的漏极具有延长部以作为所述扫描线的修复线,其中,所述延长部沿着平行于所述扫描线的方向延伸,且所述延长部远离所述薄膜晶体管的一端与所述扫描线部分重叠,其中,所述扫描线在邻近所述延长部远离所述薄膜晶体管的一端处对应设有凸起部,所述凸起部朝向所述延长部延伸且和所述延长部的末端部分重叠,所述凸起部与所述扫描线之间垂直相接,当所述扫描线发生断线时,将所述薄膜晶体管的漏极和栅极的重叠区域处打通孔并且利用激光焊接实现漏极与栅极之间的电连接,将所述延长部与所述扫描线的凸起部的重叠处打通孔并利用激光焊接以实现延长部和扫描线的凸起部之间电连接,所述栅极与所述扫描线为电连接。
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