CN105954949A - 一种阵列基板及液晶面板 - Google Patents

一种阵列基板及液晶面板 Download PDF

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CN105954949A
CN105954949A CN201610455563.9A CN201610455563A CN105954949A CN 105954949 A CN105954949 A CN 105954949A CN 201610455563 A CN201610455563 A CN 201610455563A CN 105954949 A CN105954949 A CN 105954949A
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scan line
switch
pipe
control
array base
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CN105954949B (zh
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郭晋波
王金杰
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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 US15/128,250 priority patent/US10203575B2/en
Priority to PCT/CN2016/090782 priority patent/WO2017219430A1/zh
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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
    • G02F1/136286Wiring, e.g. gate line, drain line
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B30/00Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images
    • 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
    • G02F1/136213Storage capacitors associated with the pixel electrode
    • 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
    • G02F1/13624Active matrix addressed cells having more than one switching element per pixel
    • 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
    • G02F1/1368Active matrix addressed cells in which the switching element is a three-electrode device
    • 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
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L27/00Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate
    • H01L27/02Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers
    • H01L27/12Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being other than a semiconductor body, e.g. an insulating body
    • H01L27/1214Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being other than a semiconductor body, e.g. an insulating body comprising a plurality of TFTs formed on a non-semiconducting substrate, e.g. driving circuits for AMLCDs
    • H01L27/124Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being other than a semiconductor body, e.g. an insulating body comprising a plurality of TFTs formed on a non-semiconducting substrate, e.g. driving circuits for AMLCDs with a particular composition, shape or layout of the wiring layers specially adapted to the circuit arrangement, e.g. scanning lines in LCD pixel circuits
    • 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
    • G02F2201/00Constructional arrangements not provided for in groups G02F1/00 - G02F7/00
    • G02F2201/12Constructional arrangements not provided for in groups G02F1/00 - G02F7/00 electrode
    • G02F2201/121Constructional arrangements not provided for in groups G02F1/00 - G02F7/00 electrode common or background
    • 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
    • G02F2201/00Constructional arrangements not provided for in groups G02F1/00 - G02F7/00
    • G02F2201/12Constructional arrangements not provided for in groups G02F1/00 - G02F7/00 electrode
    • G02F2201/123Constructional arrangements not provided for in groups G02F1/00 - G02F7/00 electrode pixel
    • 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
    • G09G3/3659Control of matrices with row and column drivers using an active matrix the addressing of the pixel involving the control of two or more scan electrodes or two or more data electrodes, e.g. pixel voltage dependant on signal of two data electrodes

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Abstract

本发明公开了一种阵列基板及液晶面板。阵列基板上设置有多组扫描线,每组扫描线至少包括第一扫描线和第二扫描线,每组扫描线对应设置一切换单元,切换单元将输入的扫描信号交替施加于第一扫描线和第二扫描线上。通过上述方式,本发明能够解决大尺寸面板在显示3D画面时出现的影像残留和左右眼亮度不一致的问题,进而提升3D画面的画质。

Description

一种阵列基板及液晶面板
技术领域
本发明涉及液晶显示技术领域,特别是涉及一种阵列基板及液晶面板。
背景技术
垂直排列液晶显示屏(Vertical Alignment Thin Film Transistor Liquid Crystal Display,VA-TFT-LCD)在大视角观察时色偏现象比较严重,在大尺寸面板上更为明显。为了解决大视角的色偏问题,大尺寸面板的像素(pixel)设计普遍采用低色偏(Low color shift)的像素设计(如图1),pixel分为主像素区和副像素区,充电时G1a和G1b依次打开,当G1a打开G1b关闭时,主像素区和副像素区同时充电,两区电压相同;其后,当G1a关闭G1b打开时,设置于副像素区的电容Cst充电,副像素区电压被拉低,不同的电位使得两个区域的液晶分子转向分布不同,从而具备改善大视角色偏的作用,其中电容Cst的电容值大小决定了副像素区的最终电位及显示亮度,直接影响Low color shift效果。
在如图1所示的低色偏的像素设计中,一个像素对应两条扫描线(gate line),为了节省成本,减少栅极驱动芯片的数量,将相邻像素的共享栅极信号也即G1b和充电栅极信号也即G2a连在一起,这样面板中驱动芯片数量得以减少。
但是,采用上述驱动方式,当大尺寸面板在开启3D功能时,一帧画面给左眼,一帧画面给右眼,当采用单帧也即1帧反转的驱动方式时(如图2),“L”/“R”分别为左眼/右眼信号,左眼接收到的信号全部为“+”,右眼接收到的信号全部为“—”,正负信号不可能完全相等,面板显示会出现Image Sticking(影像残留)现象。当采用双帧也即2帧反 转的驱动方式时(如图3),面板没有Image Sticking,但是左右眼信号由于信号极性变化,左眼接收到的信号为“+”→“—”或“—”→“+”,此时低色偏功能正常,右眼接收到的信号为“+”→“+”或“—”→“—”,低色偏功能异常,画素偏亮,导致左右眼亮度不一致,画质下降。
发明内容
本发明的目的在于提供一种阵列基板及液晶面板,能够解决大尺寸面板在显示3D画面时出现的影像残留和左右眼亮度不一致的问题,进而提升3D画面的画质。
为实现上述目的,本发明采用的一个技术方案是:提供一种阵列基板,该阵列基板上设置有多组扫描线,每组扫描线至少包括第一扫描线和第二扫描线,每组扫描线对应设置一切换单元,切换单元将输入的扫描信号交替施加于第一扫描线和第二扫描线上。
其中,切换单元包括第一开关管和第二开关管,其中第一开关管的输入端与第二开关管的输入端连接且用于接收扫描信号,第一开关管的输出端与第二开关管的输出端分别连接第一扫描线和第二扫描线,第一开关管的控制端连接第一开关控制线且用于接收第一开关控制信号,第二开关管的控制端连接第二开关控制线且用于接收第二开关控制信号,其中第一开关控制信号和第二开关控制信号设置成使得第一开关管和第二开关管交替导通。
其中,第一开关管与第二开关管分别为薄膜晶体管。
其中,第一开关控制信号和第二开关控制信号设置成在同一扫描信号的持续时间内控制第一开关管和第二开关管交替导通,以使得同一扫描信号能够分别施加到第一扫描线和第二扫描线上。
其中,阵列基板上进一步设置有栅极驱动器以及切换控制器,其中栅极驱动器顺次向切换单元提供扫描信号,切换控制器向第一开关控制线和第二开关控制线交替提供第一开关控制信号和第二开关控制信号,以使得扫描信号沿预定方向顺次施加到多组扫描线的第一扫描线和第 二扫描线。
其中,阵列基板上进一步设置有按矩阵方式排布的多个像素,其中每行像素对应一组扫描线。
其中,像素包括位于对应的一组扫描线的一侧的主像素区以及位于对应的一组扫描线的另一侧的副像素区,其中第一扫描线用于控制主像素区和副像素区获取相同的数据电压,第二扫描线用于对副像素区进行电压调整,以使得副像素区的数据电压不同于主像素区。
其中,阵列基板上进一步设置有数据线、公共电极、第一开关控制管、第二开关控制管和第三开关控制管,主像素区设置有主像素电极,副像素区设置有副像素电极,主像素电极与公共电极形成第一存储电容,副像素电极与公共电极形成第二存储电容,第一开关控制管的控制端和第二开关控制管的控制端连接第一扫描线,第一开关控制管的输入端和第二开关控制管的输入端连接数据线,第一开关控制管的输出端和第二开关控制管的输出端分别连接主像素电极和副像素电极,进而使得在第一扫描线施加有扫描信号时,数据线经第一开关控制管和第二开关控制管分别向主像素电极和副像素电极施加相同的数据电压,第三开关控制管的控制端连接第二扫描线,第三开关控制管的输入端连接副像素电极,第三开关控制管的输出端进一步与公共电极形成第三存储电容,进而使得在第二扫描线施加有扫描信号时,第二存储电容对第三存储电容进行放电。
其中,第一开关控制管、第二开关控制管和第三开关控制管分别为薄膜晶体管。
为实现上述目的,本发明采用的另一个技术方案是:提供一种液晶面板,该液晶面板包括了上述的阵列基板、与阵列基板相对设置的对向基板以及夹持于二者之间的液晶层。
本发明的有益效果是:区别于现有技术的情况,本发明的阵列基板及液晶面板设置多组扫描线,每组扫描线至少包括第一扫描线和第二扫描线,每组扫描线对应设置一切换单元,切换单元将输入的扫描信号交替施加于第一扫描线和第二扫描线上。通过上述方式,本发明能够解决 大尺寸面板在显示3D画面时出现的影像残留和左右眼亮度不一致的问题,进而提升3D画面的画质。
附图说明
图1是现有技术的阵列基板的结构示意图;
图2是单帧反转的驱动方式的时序图;
图3是双帧反转的驱动方式的时序图;
图4是本发明实施例的液晶面板的结构示意图;
图5是图4所示的液晶面板中阵列基板的一实施例的结构示意图;
图6是图5所示的阵列基板中各像素的具体电路图;
图7是图5所示的阵列基板的工作时序图。
具体实施方式
为使本领域的技术人员更好地理解本发明的技术方案,下面结合附图和具体实施方式对发明所提供的一种阵列基板及液晶面板做进一步详细描述。
图4是本发明实施例的液晶面板的结构示意图。如图4所示,液晶面板包括阵列基板1、与阵列基板1相对设置的对向基板2以及夹持于阵列基板1和对向基板2之间的液晶层3。其中,对向基板2可以为液晶面板中的彩色滤光基板。
图5是图4所示的液晶面板中阵列基板的一实施例的结构示意图。如图4所示,阵列基板1包括多组扫描线10、多个切换单元11、栅极驱动器12、切换控制器13、按矩阵方式排布的多个像素14以及多条数据线15。
其中,每组扫描线10至少包括第一扫描线101和第二扫描线102,每个切换单元11对应一组扫描线10。
其中,栅极驱动器12与各切换单元11连接,用于顺次向各切换单元11提供扫描信号Fanout。具体来说,栅极驱动器12包括多个栅极驱动芯片,每个驱动芯片提供一扫描信号Fanout。切换单元11分别与对应的第一扫描线101和第二扫描线102连接,用于将输入的扫描信号 Fanout交替施加于第一扫描线101和第二扫描线102上。
具体来说,切换单元11包括第一开关管111和第二开关管112。优选地,第一开关管111和第二开关管112分别为薄膜晶体管。
其中,第一开关管111的输入端与第二开关管112的输入端连接且用于接收扫描信号Fanout,第一开关管111的输出端与第二开关管112的输出端分别连接第一扫描线101和第二扫描线102,第一开关管111的控制端连接第一开关控制线103且用于接收第一开关控制信号L1,第二开关管112的控制端连接第二开关控制线104且用于接收第二开关控制信号L2。
切换控制器13分别与第一开关控制线103和第二开关控制线104连接,用于向第一开关控制线103和第二开关控制线104交替提供第一开关控制信号L1和第二开关控制信号L2,以使得扫描信号Fanout沿预定方向顺次施加到多组扫描线10的第一扫描线101和第二扫描线102。
具体来说,第一开关控制信号L1和第二开关控制信号L2设置成使得第一开关管111和第二开关管112交替导通。优选地,第一开关控制信号L1和第二开关控制信号L2设置成在同一扫描信号Fanout的持续时间内控制第一开关管111和第二开关管112交替导通,以使得同一扫描信号Fanout能够分别施加到第一扫描线101和第二扫描线102上。
每行像素对应一组扫描线10,每列像素对应一条数据线15。具体来说,每个像素14包括位于对应的一组扫描线10的一侧的主像素区141以及位于对应的一组扫描线10的另一侧的副像素区142,其中第一扫描线101用于控制主像素区141和副像素区142获取相同的数据电压,第二扫描线102用于对副像素区142进行电压调整,以使得副像素区142的数据电压不同于主像素区141。
请一并参考图6,图6是图5所示的阵列基板中各像素的具体电路图。如图6所示,阵列基板1上进一步设置有公共电极Vcom、第一开关控制管T1、第二开关控制管T2和第三开关控制管T3。
其中,像素14包括主像素区141和副像素区142。具体来说,主像素区141设置有主像素电极1411,主像素电极1411和公共电极Vcom 形成第一存储电容Cst1,副像素区142设置有副像素电极1421,副像素电极和公共电极Vcom形成第二存储电容Cst2。
第一开关控制管T1的控制端和第二开关控制管T2的控制端连接第一扫描线101,第一开关控制管T1的输入端和第二开关控制管T2的输入端连接数据线15,第一开关控制管T1的输出端和第二开关控制管T2的输出端分别连接主像素电极1411和副像素电极1421,进而使得在第一扫描线101施加有扫描信号Fanout时,数据线15经第一开关控制管T1和第二开关控制管T2分别向主像素电极1411和副像素电极1421施加相同的数据电压。第三开关控制管T3的控制端连接第二扫描线102,第三开关控制管T3的输入端连接副像素电极1421,第三开关控制管T3的输出端进一步与公共电极Vcom形成第三存储电容Cst3,进而使得在第二扫描线102施加有扫描信号Fanout时,第二存储电容Cst2对第三存储电容Cst3进行放电。
优选地,第一开关控制管T1、第二开关控制管T2和第三开关控制管T3为薄膜晶体管。
请一并参考图7,图7是图5所示的阵列基板的工作时序图。其中,该工作时序图以相邻的两行像素为例进行描述,栅极驱动器12输出至第一行像素的扫描信号Fanout记为Fanout1、栅极驱动器12输出至第二行像素的扫描信号Fanout记为Fanout2,第一行像素对应的第一扫描线101和第二扫描线12上输出的信号分别记为gate1a和gate1b,第二行像素对应的第一扫描线101和第二扫描线12上输出的信号分别记为gate2a和gate2b。
如图4所示,栅极驱动器12顺次向各切换单元11提供的扫描信号Fanout为持续两个周期的高电平信号。也就是说,在T1和T2周期,扫描信号Fanout1为高电平信号,扫描信号Fanout2为低电平信号;在T3和T4周期,扫描信号Fanout1为低电平信号,扫描信号Fanout2为高电平信号。
在T1周期内,切换控制器13输出的第一开关控制信号L1为高电平信号,第二开关控制信号L2为低电平信号,从而使得各切换单元11 中的第一开关管111导通,第二开关管112截止。由于第一行像素接收的扫描信号Fanout1为高电平,进而使得第一行像素对应的第一扫描线101上的信号gate1a为高电平,另外三个信号gate1b、gate2a和gate2b均为低电平,从而实现数据线15分别向第一行像素中的主像素区141和副像素区142同时充电。
在T2周期内,切换控制器13输出的第一开关控制信号L1为低电平信号,第二开关控制信号L2为高电平信号,从而使得各切换单元11中的第一开关管111截止,第二开关管112导通。由于第一行像素接收的扫描信号Fanout1为高电平,进而使得第一行像素对应的第二扫描线102上的信号gate1b为高电平,另外三个信号gate1a、gate2a和gate2b均为低电平,从而实现拉低第一行像素中的副像素区142的电压。
在T3周期内,切换控制器13输出的第一开关控制信号L1为高电平信号,第二开关控制信号L2为低电平信号,从而使得各切换单元11中的第一开关管111导通,第二开关管112截止。由于第二行像素接收的扫描信号Fanout2为高电平,进而使得第二行像素对应的第一扫描线101上的信号gate2a为高电平,另外三个信号gate1a、gate1b和gate2b均为低电平,从而实现数据线15分别向第二行像素中的主像素区141和副像素区142同时充电。
在T4周期内,切换控制器13输出的第一开关控制信号L1为低电平信号,第二开关控制信号L2为高电平信号,从而使得各切换单元11中的第一开关管111截止,第二开关管112导通。由于第二行像素接收的扫描信号Fanout2为高电平,进而使得第二行像素对应的第二扫描线102上的信号gate2b为高电平,另外三个信号gate1a、gate2a和gate2a均为低电平,从而实现拉低第二行像素中的副像素区142的电压。
后续的每行像素依此类推,从而实现像素的逐行扫描。
与现有技术相比,本发明中的第一扫描信号也即充电栅极信号和第二扫描信号也即共享栅极信号是相互独立控制,而不是如现有技术中相邻像素的共享栅极信号和充电栅极信号是相互连接在一起的,从而也就不会出现现有技术中的影像残留和左右眼亮度不一致的问题。
本发明的有益效果是:区别于现有技术的情况,本发明的阵列基板及液晶面板设置多组扫描线,每组扫描线至少包括第一扫描线和第二扫描线,每组扫描线对应设置一切换单元,切换单元将输入的扫描信号交替施加于第一扫描线和第二扫描线上。通过上述方式,本发明由于第一扫描线也即充电栅极信号和第二扫描线也即共享栅极信号相互独立控制,从而能够解决大尺寸面板在显示3D画面时出现的影像残留和左右眼亮度不一致的问题,进而提升3D画面的画质。
以上所述仅为本发明的实施方式,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 (10)

1.一种阵列基板,其特征在于,所述阵列基板上设置有多组扫描线,每组扫描线至少包括第一扫描线和第二扫描线,每组扫描线对应设置一切换单元,所述切换单元将输入的扫描信号交替施加于所述第一扫描线和所述第二扫描线上。
2.根据权利要求1所述的阵列基板,其特征在于,所述切换单元包括第一开关管和第二开关管,其中所述第一开关管的输入端与所述第二开关管的输入端连接且用于接收所述扫描信号,所述第一开关管的输出端与所述第二开关管的输出端分别连接所述第一扫描线和所述第二扫描线,所述第一开关管的控制端连接第一开关控制线且用于接收第一开关控制信号,所述第二开关管的控制端连接第二开关控制线且用于接收第二开关控制信号,其中所述第一开关控制信号和所述第二开关控制信号设置成使得所述第一开关管和所述第二开关管交替导通。
3.根据权利要求1所述的阵列基板,其特征在于,所述第一开关管与所述第二开关管分别为薄膜晶体管。
4.根据权利要求3所述的阵列基板,其特征在于,所述第一开关控制信号和所述第二开关控制信号设置成在同一所述扫描信号的持续时间内控制所述第一开关管和所述第二开关管交替导通,以使得同一所述扫描信号能够分别施加到所述第一扫描线和所述第二扫描线上。
5.根据权利要求4所述的阵列基板,其特征在于,所述阵列基板上进一步设置有栅极驱动器以及切换控制器,其中所述栅极驱动器顺次向所述切换单元提供所述扫描信号,所述切换控制器向所述第一开关控制线和所述第二开关控制线交替提供所述第一开关控制信号和所述第二开关控制信号,以使得所述扫描信号沿预定方向顺次施加到所述多组扫描线的所述第一扫描线和所述第二扫描线。
6.根据权利要求1所述的阵列基板,其特征在于,所述阵列基板上进一步设置有按矩阵方式排布的多个像素,其中每行像素对应一组所述扫描线。
7.根据权利要求1所述的阵列基板,其特征在于,所述像素包括位于对应的一组所述扫描线的一侧的主像素区以及位于对应的一组所述扫描线的另一侧的副像素区,其中所述第一扫描线用于控制所述主像素区和副像素区获取相同的数据电压,所述第二扫描线用于对所述副像素区进行电压调整,以使得所述副像素区的数据电压不同于所述主像素区。
8.根据权利要求7所述的阵列基板,其特征在于,所述阵列基板上进一步设置有数据线、公共电极、第一开关控制管、第二开关控制管和第三开关控制管,所述主像素区设置有主像素电极,所述副像素区设置有副像素电极,所述主像素电极与所述公共电极形成第一存储电容,所述副像素电极与所述公共电极形成第二存储电容,所述第一开关控制管的控制端和所述第二开关控制管的控制端连接所述第一扫描线,所述第一开关控制管的输入端和所述第二开关控制管的输入端连接所述数据线,所述第一开关控制管的输出端和所述第二开关控制管的输出端分别连接所述主像素电极和副像素电极,进而使得在所述第一扫描线施加有扫描信号时,所述数据线经所述第一开关控制管和所述第二开关控制管分别向所述主像素电极和副像素电极施加相同的数据电压,所述第三开关控制管的控制端连接所述第二扫描线,所述第三开关控制管的输入端连接所述副像素电极,所述第三开关控制管的输出端进一步与所述公共电极形成第三存储电容,进而使得在所述第二扫描线施加有扫描信号时,所述第二存储电容对所述第三存储电容进行放电。
9.根据权利要求8所述的阵列基板,其特征在于,所述第一开关控制管、第二开关控制管和第三开关控制管分别为薄膜晶体管。
10.一种液晶面板,其特征在于,所述液晶面板包括如权利要求1~9任意一项所述的阵列基板、与所述阵列基板相对设置的对向基板以及夹持于二者之间的液晶层。
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CN115188341B (zh) * 2022-06-13 2023-04-28 惠科股份有限公司 阵列基板及其控制方法、显示面板

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