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CN106527002B - 一种能够提高goa信赖性的阵列基板 - Google Patents

一种能够提高goa信赖性的阵列基板 Download PDF

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CN106527002B
CN106527002B CN201611248670.0A CN201611248670A CN106527002B CN 106527002 B CN106527002 B CN 106527002B CN 201611248670 A CN201611248670 A CN 201611248670A CN 106527002 B CN106527002 B CN 106527002B
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CN106527002A (zh
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王添鸿
郭平昇
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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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    • 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
    • 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
    • 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
    • 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
    • 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
    • G09G3/3674Details of drivers for scan electrodes
    • G09G3/3677Details of drivers for scan electrodes suitable for active matrices only
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10HINORGANIC LIGHT-EMITTING SEMICONDUCTOR DEVICES HAVING POTENTIAL BARRIERS
    • H10H20/00Individual inorganic light-emitting semiconductor devices having potential barriers, e.g. light-emitting diodes [LED]
    • H10H20/80Constructional details
    • 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
    • G09G2300/0404Matrix technologies
    • G09G2300/0408Integration of the drivers onto the display substrate
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2310/00Command of the display device
    • G09G2310/02Addressing, scanning or driving the display screen or processing steps related thereto
    • G09G2310/0264Details of driving circuits
    • G09G2310/0267Details of drivers for scan electrodes, other than drivers for liquid crystal, plasma or OLED displays

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Abstract

本发明涉及一种能够提高GOA信赖性的阵列基板,主要解决了现有技术中的GOA可靠性不高的技术问题。本发明通过采用所述阵列基板包含相邻的外围双VSS走线,包含第一VSS走线与第二VSS走线,在第二VSS走线与CF_COM走线之间通过不同层金属形成2n个稳压电容;或者在GOA电路与有效显示区域的CF_COM走线之间设置单根的第三VSS走线,在所述第三VSS走线与CF_COM走线之间通过不同层金属层形成2n个稳压电容的技术方案,较好的解决了该问题,可用于TFT显示面板生产中。

Description

一种能够提高GOA信赖性的阵列基板
技术领域
本发明涉及显示技术领域,尤其涉及一种能够提高GOA信赖性的阵列基板。
背景技术
液晶显示器是目前常用的平板显示器,其中层晶体管液晶显示器(Thin FilmTransistor Liquid Crystal Display,简称TFT-LCD)是液晶显示器中的主流产品。TFT-LCD由于其低成本、高良率以及良好的显示效果,使得其在中小尺寸领域,占据着绝大部分的市场份额。尽管TFT-LCD的工艺已经日渐成熟,但画面品质仍需要不断提高,以满足消费者的挑剔需求。
现有的液晶显示面板,包括阵列基板、彩膜基板以及设置在阵列基板与彩膜基板之间的液晶。液晶显示装置中通过在PCBA制程上公共端产生单元处添加接地电容对供给阵列基板的公共端电压进行稳压,经过所述接地电容稳压后的公共端电压通过走线(PCBA制程上布线、PCBA制程和覆晶薄膜COF之间粘连接、覆晶薄膜COF上走线、覆晶薄膜COF和液晶显示面板之间粘合、液晶显示面板上布线)和液晶面板内部的公共电极线相连;从PCBA制程上公共端产生单元处与液晶显示面板内部公共电极线之间存在电阻R;液晶面板中,由于数据线、栅极线同公共电极线存在耦合,公共端电压往往因为耦合而产生扰动,又称噪音;若受扰动的公共端电压不能迅速恢复,则会产生液晶显示面板显示画面颤动或者泛绿等不良;此时驱动扰动后公共端电压恢复稳定值是由PCBA上的公共端产生单元及其周围的接地电容共同完成。因为所述电阻R的存在,大大降低公共端产生单元及其所连接的接地电容维持公共端稳定的能力的技术问题。因此,提供一种防止VSS低压因其他信号导致GOA电路出现功能性衰退的阵列基板就很有必要。
发明内容
本发明所要解决的技术问题是现有技术中GOA可靠性不高的技术问题,本发明提供一种能够防止低压VSS信号因其他信号导致GOA电路出现功能性衰退的阵列基板。
为解决上述技术问题,本发明采用的技术方案如下:
一种能够提高GOA信赖性的阵列基板,包括GOA电路、CK时钟信号走线、外围CF_COM走线、及有效显示区域,所述阵列基板包含相邻的外围双VSS走线,包含第一VSS走线与第二VSS走线,在第二VSS走线与CF_COM走线之间通过不同层金属形成2n个稳压电容;
或者在GOA电路与有效显示区域的CF_COM走线之间设置单根第三VSS走线,在所述第三VSS走线与CF_COM走线之间通过不同层金属形成2n个稳压电容;
其中n为正整数。
进一步地,所述第一VSS走线与第二VSS走线末端相连。
进一步地,所述CK时钟信号走线包含两根CK时钟信号走线,位于有效显示区域的左右两侧,分别位于第一VSS走线与第二VSS走线之间或者位于GOA电路外围。
进一步地,所述第三VSS走线分别位于有效显示区域的左右两侧。
进一步地,所述2n个稳压电容相对于有效显示区域的左右两侧对称放置。
进一步地,所述GOA电路左右对称分别在有效显示区域两侧。
进一步地,所述第一VSS走线与第二VSS走线的连接处设置一个稳压电容。
进一步地,所述能够提高GOA信赖性的阵列基板用于显示面板。
进一步地,所述第一VSS走线,第二VSS走线及第三VSS走线与CF_COM走线位于不同平面。
本发明通过采用利用VSS走线区进行稳压电容设计,防止低压VSS因其他信号导致GOA电路1出现功能性衰退降低扫描驱动信号输出和VSS低压稳压时的噪音振幅,改善晶体管恶化情形,提升GOA可靠度。
本发明的有益效果:
效果一,提高GOA可靠度;
效果二,改善显示区域的色差恶化情形。
附图说明
图1本发明双VSS走线示意图。
图2本发明单根VSS走线示意图。
具体实施方式
为了使本发明的目的、技术方案及优点更加清楚明白,以下结合实施例,对本发明进行进一步详细说明。应当理解,此处所描述的具体实施例仅仅用以解释本发明,并不用于限定本发明。
实施例1:
一种能够提高GOA信赖性的阵列基板,包括GOA电路1,CK时钟信号走线2,外围CF_COM走线3,及有效显示区域4AA。所述CF_COM为自COF上CF_COM Lead上引出的测试Pad。
如图1:阵列基板包含相邻的外围双VSS走线,包含第一VSS走线5(VSS1)与第二VSS走线6(VSS2),在与第二VSS走线6(VSS2)相连的CF_COM走线3之间通过不同层金属形成2n个稳压电容8,其中n为正整数。所述第一VSS走线5(VSS1)与第二VSS走线6(VSS2)末端相连。所述第一VSS走线5(VSS1)与6的连接处设置一个稳压电容。
所述CK时钟信号走线2包含两根CK时钟信号走线2,位于有效显示区域4(AA)的左右两侧,分别位于第一VSS走线5(VSS1)与第二VSS走线6(VSS2)之间或者位于GOA电路1外围。所述2n个稳压电容相对于有效显示区域4的左右两侧对称放置。所述稳压电容8的一层极板由不同于VSS走线的金属材料制成。所述GOA电路1左右对称分别在有效显示区域4(AA)两侧。所述能够提高GOA信赖性的阵列基板用于显示面板。所述第一VSS走线5(VSS1)、第二VSS走线6(VSS2)及第三VSS走线7(VSS3)与CF_COM走线3位于不同平面。
实施例2:
本实施例进一步说明VSS走线方式对于本发明的影响:
一种能够提高GOA信赖性的阵列基板,包括GOA电路1,CK时钟信号走线2,外围CF_COM走线3,及有效显示区域4(AA)。
如图2,在GOA电路1与有效显示区域4(AA)的CF_COM走线3之间设置单根的第三VSS走线7(VSS3),在所述单根的第三VSS走线7(VSS3)与CF_COM走线3之间通过不同层金属形成稳压2n个稳压电容8,其中n为正整数。所述第三VSS走线7(VSS3)分别位于有效显示区域4(AA)的左右两侧。
所述CK时钟信号走线2包含两根CK时钟信号走线2,位于有效显示区域4AA的左右两侧,分别位于第一VSS走线5(VSS1)与第二VSS走线6(VSS2)之间或者位于GOA电路1外围。所述2n个稳压电容8相对于有效显示区域4(AA)的左右两侧对称放置。所述稳压电容的一层极板由不同于VSS走线的金属材料制成。。所述GOA电路1左右对称分别在4两侧。所述能够提高GOA信赖性的阵列基板用于显示面板。所述第一VSS走线5(VSS1),第二VSS走线6(VSS2)及单根的第三VSS走线7(VSS3)与CF_COM走线3位于不同平面。
尽管上面对本发明说明性的具体实施方式进行了描述,以便于本技术领域的技术人员能够理解本发明,但是本发明不仅限于具体实施方式的范围,对本技术领域的普通技术人员而言,只要各种变化只要在所附的权利要求限定和确定的本发明精神和范围内,一切利用本发明构思的发明创造均在保护之列。

Claims (9)

1.一种能够提高GOA信赖性的阵列基板,包括GOA电路(1)、CK时钟信号走线(2)、外围CF_COM走线(3)、及有效显示区域(4),其特征在于:所述阵列基板包含相邻的外围双VSS走线,包含第一VSS走线(5)与第二VSS走线(6),在第二VSS走线(6)与CF_COM走线(3)之间通过不同层金属形成2n个稳压电容;
或者在GOA电路(1)与有效显示区域(4)的CF_COM走线(3)之间设置单根第三VSS走线(7),在所述第三VSS走线(7)与CF_COM走线(3)之间通过不同层金属层形成2n个稳压电容(8);
其中n为正整数。
2.根据权利要求1所述的能够提高GOA信赖性的阵列基板,其特征在于:所述第一VSS走线(5)与第二VSS走线(6)末端相连。
3.根据权利要求2所述的能够提高GOA信赖性的阵列基板,其特征在于:所述CK时钟信号走线(2)包含两根CK时钟信号走线(2),位于有效显示区域(4)的左右两侧,分别位于第一VSS走线(5)与第二VSS走线(6)之间或者位于GOA电路(1)外围。
4.根据权利要求1所述的能够提高GOA信赖性的阵列基板,其特征在于:所述第三VSS走线(7)分别位于有效显示区域(4)的左右两侧。
5.根据权利要求1所述的能够提高GOA信赖性的阵列基板,其特征在于:所述2n个稳压电容(8)相对于有效显示区域(4)的左右两侧对称放置。
6.根据权利要求1所述的能够提高GOA信赖性的阵列基板,其特征在于:所述GOA电路(1)左右对称分别在有效显示区域(4)两侧。
7.根据权利要求1所述的能够提高GOA信赖性的阵列基板,其特征在于:所述第一VSS走线(5)与第二VSS走线(6)的连接处设置一个稳压电容(8)。
8.根据权利要求1所述的能够提高GOA信赖性的阵列基板,其特征在于:所述能够提高GOA信赖性的阵列基板用于显示面板。
9.根据权利要求1所述的能够提高GOA信赖性的阵列基板,其特征在于:所述第一VSS走线(5),第二VSS走线(6)及第三VSS走线(7)与CF_COM走线(3)位于不同平面。
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CN107799087B (zh) * 2017-11-24 2020-06-05 深圳市华星光电技术有限公司 一种goa电路及显示装置
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