CN107179636A - 一种显示面板及显示装置 - Google Patents

一种显示面板及显示装置 Download PDF

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Publication number
CN107179636A
CN107179636A CN201710382475.5A CN201710382475A CN107179636A CN 107179636 A CN107179636 A CN 107179636A CN 201710382475 A CN201710382475 A CN 201710382475A CN 107179636 A CN107179636 A CN 107179636A
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pixel electrode
pixel
display panel
electrode
tft
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CN107179636B (zh
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周洪波
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Xiamen Tianma Microelectronics Co Ltd
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Xiamen Tianma Microelectronics Co Ltd
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Priority to CN201710382475.5A priority Critical patent/CN107179636B/zh
Publication of CN107179636A publication Critical patent/CN107179636A/zh
Priority to US15/798,840 priority patent/US10216049B2/en
Priority to DE102018000290.0A priority patent/DE102018000290B4/de
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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
    • G02F1/1333Constructional arrangements; Manufacturing methods
    • G02F1/1343Electrodes
    • G02F1/134309Electrodes characterised by their geometrical arrangement
    • 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
    • G02F1/1343Electrodes
    • G02F1/134309Electrodes characterised by their geometrical arrangement
    • G02F1/134336Matrix
    • GPHYSICS
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    • 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
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    • 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
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    • 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
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    • 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
    • G09G3/3648Control of matrices with row and column drivers using an active matrix
    • 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 at least one potential-jump barrier or surface barrier; including integrated passive circuit elements with at least one potential-jump barrier or surface barrier
    • 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 at least one potential-jump barrier or surface barrier; including integrated passive circuit elements with at least one potential-jump barrier or surface barrier 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 at least one potential-jump barrier or surface barrier; including integrated passive circuit elements with at least one potential-jump barrier or surface barrier 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 at least one potential-jump barrier or surface barrier; including integrated passive circuit elements with at least one potential-jump barrier or surface barrier 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
    • 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 at least one potential-jump barrier or surface barrier; including integrated passive circuit elements with at least one potential-jump barrier or surface barrier
    • 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 at least one potential-jump barrier or surface barrier; including integrated passive circuit elements with at least one potential-jump barrier or surface barrier 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 at least one potential-jump barrier or surface barrier; including integrated passive circuit elements with at least one potential-jump barrier or surface barrier 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
    • H01L27/1248Devices 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 at least one potential-jump barrier or surface barrier; including integrated passive circuit elements with at least one potential-jump barrier or surface barrier 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 or shape of the interlayer dielectric specially adapted to the circuit arrangement
    • 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
    • G02F1/133357Planarisation layers
    • 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
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    • G02F1/134345Subdivided pixels, e.g. for grey scale or redundancy
    • 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
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    • G02F1/13629Multilayer wirings
    • GPHYSICS
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    • G09G2300/0421Structural details of the set of electrodes
    • G09G2300/0426Layout of electrodes and connections

Abstract

本发明提供一种显示面板及显示装置,涉及显示技术领域。该显示面板包括:基板;设置于所述基板上的多个像素电极,各所述像素电极中包含多个第一像素电极和至少三个第二像素电极,所述第二像素电极为补偿像素电极,每个所述补偿像素电极在所述基板上占用的面积小于每个所述第一像素电极在所述基板上占用的面积;设置于所述基板上的多个薄膜晶体管,多个所述薄膜晶体管在第一方向上排成行,各行所述薄膜晶体管在第二方向上排成列,各所述薄膜晶体管与各所述像素电极一一对应电连接,且至少一个所述第二像素电极在所述基板的正投影,与该第二像素电极所连接的所述薄膜晶体管在所述基板的正投影不重叠。本发明用于提高显示面板的显示品质。

Description

一种显示面板及显示装置
技术领域
本申请涉及显示技术领域,尤其涉及一种显示面板及显示装置。
背景技术
显示面板是显示装置的核心部分之一,显示面板的显示品质将直接影响显示装置的性能,因此显示面板的显示品质是设计显示面板的结构时需要着重考虑的因素。
目前,显示面板主要包括多个阵列排布的像素,随着显示面板的生产技术不断发展,显示面板的结构可以适应用户的多种个性需求,例如显示面板的显示区域具有弧形圆角,使得该显示区域的一部分相比于大部分显示面板的显示区域呈现为异形区域。如图1所示,图1为现有技术中的显示面板的异形区域的俯视图,由于在异形区域处需要保留完整的像素,使得异形区域的边缘处会存在一些未设置像素的区域,进而使得在显示过程中异形区域的边缘会形成比较明显的锯齿状结构,导致显示面板的显示品质较差。
发明内容
本申请提供了一种显示面板及显示装置,以提高显示面板的显示品质。
本申请的第一方面提供了一种显示面板,该显示面板包括:
基板,
设置于所述基板上的多个像素电极,各所述像素电极中包含多个第一像素电极和至少三个第二像素电极,所述第二像素电极为补偿像素电极,每个所述补偿像素电极在所述基板上占用的面积小于每个所述第一像素电极在所述基板上占用的面积;
设置于所述基板上的多个薄膜晶体管,多个所述薄膜晶体管在第一方向上排成行,各行所述薄膜晶体管在第二方向上排成列,
各所述薄膜晶体管与各所述像素电极一一对应电连接,且至少一个所述第二像素电极在所述基板的正投影,与该第二像素电极所连接的所述薄膜晶体管在所述基板的正投影不重叠。
可选地,各所述第二像素电极在所述基板上所占用的区域为第一区域,各所述第一像素电极在所述基板上所占用的区域为第二区域,
所述第一区域位于所述第二区域的边缘处。
可选地,所述第二像素电极包括显示部分和连接部分,所述显示部分和所述连接部分同层设置,且所述显示部分通过所述连接部分与所述薄膜晶体管电连接。
示例性地,所述连接部分为条形结构。
示例性地,显示面板还包括设置于所述第二像素电极下方的公共电极,所述公共电极与所述第二像素电极之间形成电场;
所述公共电极上具有镂空部,在电场方向上,所述镂空部与至少一个所述连接部分相对。
进一步地,在所述电场方向上,所述镂空部的投影与至少一个所述连接部分的投影相重合。
示例性地,在垂直于所述基板的方向上看,所述连接部分包括多个直线段,各所述直线段中包含至少一个沿所述第一方向延伸的第一段,以及至少一个沿所述第二方向延伸的第二段。
可选地,显示面板还包括依次设置于所述第二像素电极下方的第一绝缘层、公共电极、平坦化层、第二金属层;
所述第二金属层与所述薄膜晶体管电连接,
所述第一绝缘层、所述公共电极和所述平坦化层均具有第一通孔,所述第二像素电极通过所述第一通孔与所述第二金属层电连接。
可选地,显示面板还包括依次设置于所述第二像素电极下方的第一绝缘层、公共电极、平坦化层、第二金属层、第二绝缘层和第一金属层,
所述第一金属层与所述薄膜晶体管电连接,
所述第一绝缘层、所述公共电极、所述平坦化层、所述第二金属层和所述第二绝缘层均具有第二通孔,所述第二像素电极通过所述第二通孔与所述第一金属层电连接。
可选地,显示面板还包括依次设置于所述第二像素电极下方的第一绝缘层、公共电极、平坦化层、第三金属层,
所述第三金属层与所述薄膜晶体管电连接,
所述第一绝缘层、所述公共电极、所述平坦化层均具有第三通孔,所述第二像素电极通过所述第三通孔与所述第三金属层电连接。
可选地,各所述第二像素电极组成至少一个像素,
至少一个所述像素中,所有所述第二像素电极沿着所述第一方向或所述第二方向排列。
示例性地,至少一个所述像素中,所述第二像素电极的数量为三个,三者沿着所述第二方向排列。
示例性地,至少一个所述像素中,所述第二像素电极的数量为四个,四者沿着所述第二方向排列。
可选地,各所述第二像素电极组成至少一个像素,
至少一个所述像素中,所有所述第二像素电极在所述第一方向上排成行,各行所述第二像素电极在所述第二方向上排成列。
示例性地,至少一个所述像素中,所述第二像素电极的数量为三个,分别为第一子像素电极、第二子像素电极和第三子像素电极,
所述第一子像素电极和所述第二子像素电极沿着所述第一方向排列,两者与两个所述薄膜晶体管直接连接,所述第三子像素电极与所述第一子像素电极沿所述第二方向排列。
示例性地,至少一个所述像素中,所述第二像素电极的数量为四个,分别为第一子像素电极、第二子像素电极、第三子像素电极和第四子像素电极,
所述第一子像素电极和所述第二子像素电极沿着所述第一方向排列,所述第三子像素电极和所述第四子像素电极沿着所述第一方向排列,所述第一子像素电极和所述第三子像素电极沿着所述第二方向排列。
示例性地,至少一个所述像素中,所述第二像素电极的数量为四个,分别为第一子像素电极、第二子像素电极、第三子像素电极和第四子像素电极,
所述第一子像素电极、所述第二子像素电极和所述第三子像素电极沿着所述第一方向排列,所述第四子像素电极与所述第一子像素电极沿着所述第二方向排列。
本申请的第二方面提供了一种显示装置,该显示装置包括以上任一项所述的显示面板。
本申请提供的技术方案可以达到以下有益效果:
由于该显示面板包括的第二像素电极为补偿像素电极,其在基板上占用的面积小于每个第一像素电极在基板上占用的面积,从而使得现有技术中异形区域处原来不够设置完整的像素的位置,也可以设置由多个第二像素电极构成的较小的完整的像素,与现有技术相比明显减小了异形区域的边缘处未设置像素的区域的面积,进而可以减轻显示过程中异形区域的边缘形成的锯齿状结构,使异形区域的边缘更平滑,提高显示面板的显示品质。另外,由于基板上的薄膜晶体管仍呈行列排布,与现有的薄膜晶体管的排布方式相同,因此,此显示面板在提高显示品质的同时,还不会对薄膜晶体管的排布方式进行改变,进而不会对显示面板的制作工艺产生影响。
附图说明
为了更清楚地说明本发明实施例的技术方案,下面将对实施例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性的前提下,还可以根据这些附图获得其它的附图。
图1为现有技术中显示面板的异形区域的边缘示意图;
图2为本申请实施例提供的显示面板的俯视图;
图3为本申请实施例图2沿A-A’方向的截面示意图;
图4为本申请实施例图2沿B-B’方向的截面示意图一;
图5为本申请实施例图2沿B-B’方向的截面示意图二;
图6为本申请实施例图2沿B-B’方向的截面示意图三;
图7为本申请实施例提供的由多个第二像素电极组成的像素的俯视图一;
图8为本申请实施例提供的由多个第二像素电极组成的像素的俯视图二;
图9为本申请实施例提供的由多个第二像素电极组成的像素的俯视图三;
图10为本申请实施例提供的由多个第二像素电极组成的像素的俯视图四;
图11为本申请实施例提供的由多个第二像素电极组成的像素的俯视图五;
图12为本申请实施例图9中的多个第二像素电极与薄膜晶体管的连接示意图;
图13为本申请实施例提供的显示装置的俯视图。
此处的附图被并入说明书中并构成本说明书的一部分,示出了符合本申请的实施例,并与说明书一起用于解释本申请的原理。
具体实施方式
为了更好的理解本发明的技术方案,下面结合附图对本发明实施例进行详细描述。
应当明确,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作出创造性劳动前提下所获得的所有其它实施例,都属于本发明保护的范围。
在本发明实施例中使用的术语是仅仅出于描述特定实施例的目的,而非旨在限制本发明。在本发明实施例和所附权利要求书中所使用的单数形式的“一种”、“所述”和“该”也旨在包括多数形式,除非上下文清楚地表示其他含义。
应当理解,尽管在本发明实施例中可能采用术语第一、第二、第三等来描述XXX,但这些XXX不应限于这些术语。这些术语仅用来将XXX彼此区分开。例如,在不脱离本发明实施例范围的情况下,第一XXX也可以被称为第二XXX,类似地,第二XXX也可以被称为第一XXX。
本申请的第一方面提供了一种显示面板,具体地,如图2所示,图2为本申请实施例提供的显示面板的俯视图,该显示面板包括:基板1、多个像素电极2和多个薄膜晶体管3;其中,多个像素电极2设置于基板1上,各像素电极2中包含多个第一像素电极21和至少三个第二像素电极22,即多个像素电极2中有多个第一像素电极21和至少三个第二像素电极22,第二像素电极22为补偿像素电极,每个补偿像素电极在基板1上占用的面积小于每个第一像素电极21在基板上占用的面积;多个薄膜晶体管3设置于基板2上,多个薄膜晶体管3在第一方向x上排成行,各行薄膜晶体管在第二方向y上排成列,各薄膜晶体管3与各像素电极2一一对应电连接,且至少一个第二像素电极22在基板1的正投影,与该第二像素电极22所连接的薄膜晶体管3在基板1的正投影不重叠。
由于第二像素电极22为补偿像素电极,其在基板1上占用的面积小于每个第一像素电极21在基板1上占用的面积,从而使得现有技术中异形区域处原来不够设置完整的像素的位置,也可以设置由多个第二像素电极22构成的较小的完整的像素,与现有技术相比明显减小了异形区域的边缘处未设置像素的区域的面积,进而可以减轻显示过程中异形区域的边缘形成的锯齿状结构,使异形区域的边缘更平滑,提高显示面板的显示品质。另外,由于基板1上的薄膜晶体管3仍呈行列排布,与现有的薄膜晶体管的排布方式相同,因此,此显示面板在提高显示品质的同时,还不会对薄膜晶体管的排布方式进行改变,进而不会对显示面板的制作工艺产生影响。
示例性地,上述显示面板为液晶显示面板,上述基板1为阵列基板,显示面板还包括与上述阵列基板相对设置的彩膜基板,以及填充于阵列基板和彩膜基板之间的液晶分子层,彩膜基板以及液晶分子层的相关内容均可参照现有技术进行设置,此处不再进行赘述。
通常显示面板的异形区域为其边缘位置,例如如图1所示的弧形的异形区域,因此,本发明实施例中选择,如图2所示,各第二像素电极22在基板1上所占用的区域为第一区域,各第一像素电极在基板上所占用的区域为第二区域,第一区域位于第二区域的边缘处,以使本领域技术人员可以更加清楚地将本发明实施例中的方案应用于显示面板的异形区域中。
可选地,如图2所示,第二像素电极22包括显示部分22a和连接部分22b,显示部分22a和连接部分22b同层设置,且显示部分22a通过连接部分22b与薄膜晶体管3电连接。第二像素电极22的显示部分22a通过连接部分22b与薄膜晶体管3连接时,连接部分22b不会对显示面板的其他走线产生影响,显示面板的制作方法和驱动方式都不会发生改变。且由于显示部分22a和连接部分22b同层设置,二者可以同时形成,进而不会增加显示面板的制作工艺。示例性地,连接部分22b为条形结构。可选地,在垂直于基板1的方向上看,连接部分22b包括多个直线段,各直线段中包含至少一个沿第一方向x延伸的第一段,以及至少一个沿第二方向y延伸的第二段。当然,第二像素电极22的结构并不局限于以上所述,本领域技术人员可以根据实际需要进行选择。
可选地,如图3所示,图3为本申请实施例图2沿A-A’方向的截面示意图,显示面板还包括设置于第二像素电极22下方的公共电极4,公共电极4与第二像素电极22之间形成电场,该电场用以驱动液晶分子偏转;当第二像素电极22具有如图2所示的结构时,本发明实施例中选择公共电极4上具有镂空部41,在电场方向上,镂空部41与至少一个连接部分22b相对,从而可以有效避免公共电极4与第二像素电极22的连接部分22b之间形成电场,进而避免因连接部分22b对应的液晶分子偏转而对显示部分22a对应的液晶分子的偏转造成影响,保证显示部分22a对应的液晶分子的偏转正常,进而显示正常。
进一步地,如图3所示,在电场方向上,镂空部41的投影与至少一个连接部分22b的投影相重合,可以使得镂空部41的面积尽可能的小,进而在公共电极4与第二像素电极22的连接部分22b之间无电场的情况下,保证公共电极与第二像素电极22的显示部分22a之间具有最大的重叠面积,使得显示部分22a对应的液晶分子均能在电场作用下发生偏转,显示面板的显示效果较佳。
下面本发明实施例对上述“各薄膜晶体管3与各像素电极2一一对应电连接”的具体连接方式进行说明。
其中,第一像素电极21与其对应的薄膜晶体管3的连接方式参照现有技术即可,例如,薄膜晶体管3为底栅型,包括栅极、有源层、源极和漏极,栅极和有源层之间设置有栅极绝缘层,第一像素电极21只要与薄膜晶体管3的漏极连接即可,二者之间无绝缘层设置时,可以直接搭接在一起,二者之间设置有钝化层时,第一像素电极21可以通过贯穿钝化层的过孔与薄膜晶体管的漏极连接。
第二像素电极22与其对应的薄膜晶体管3的连接方式可以有多种,下面本发明实施例举例进行说明。
可选地,如图4所示,图4为本申请实施例图2沿B-B’方向的截面示意图一,显示面板还包括依次设置于第二像素电极22下方的第一绝缘层5、公共电极4、平坦化层6、第二金属层7;第二金属层7与薄膜晶体管3电连接,第一绝缘层5、公共电极4和平坦化层6均具有第一通孔V1,第二像素电极22通过第一通孔V1与第二金属层7电连接。示例性地,第二金属层7为源漏极金属层,薄膜晶体管3的漏极与第二金属层7同层设置,薄膜晶体管3的漏极直接与第二金属层7连接。
可选地,如图5所示,图5为本申请实施例图2沿B-B’方向的截面示意图二,显示面板还包括依次设置于第二像素电极22下方的第一绝缘层5、公共电极4、平坦化层6、第二金属层7、第二绝缘层8和第一金属层9,第一金属层9与薄膜晶体管3电连接,第一绝缘层5、公共电极4、平坦化层6、第二金属层7和第二绝缘层8均具有第二通孔V2,第二像素电极22通过第二通孔V2与第一金属层9电连接。示例性地,第一金属层9为栅极金属层,第二金属层7为源漏极金属层,薄膜晶体管3的漏极与第二金属层同层设置,薄膜晶体管3的漏极通过贯穿第二绝缘层8的过孔与第一金属层9连接。
可选地,如图6所示,图6为本申请实施例图2沿B-B’方向的截面示意图三,显示面板还包括依次设置于第二像素电极22下方的第一绝缘层5、公共电极4、平坦化层6、第三金属层10,第三金属层10与薄膜晶体管3电连接,第一绝缘层5、公共电极4、平坦化层6均具有第三通孔V3,第二像素电极22通过第三通孔V3与第三金属层10电连接。示例性地,第三金属层10为触控金属层,薄膜晶体管3的漏极与第三金属层10的具体连接方式可根据薄膜晶体管3的漏极所在的膜层与第三金属层10的位置关系进行选择,此处不进行限定。
此外,由于现有技术中显示面板的异形区域的边缘未设置像素的区域的形状和大小可以有多种,为了便于本领域技术人员理解和实施本申请,下面本发明实施例对由多个第二像素电极22构成的像素中各第二像素电极22的排布方式及其适用的区域的大小和形状进行举例描述。
可选地,如图7和图8所示,图7为本申请实施例提供的由多个第二像素电极组成的像素的俯视图一,图8为本申请实施例提供的由多个第二像素电极组成的像素的俯视图二,各第二像素电极22组成至少一个像素,至少一个像素中,所有第二像素电极22沿着第一方向x或第二方向y排列。
示例性地,如图7所示,至少一个像素中,第二像素电极22的数量为三个,三者沿着第二方向y排列。图7中的三个第二像素电极22与薄膜晶体管3的连接方式可参见图2,如图2所示,三个第二像素电极22分别与由栅线和数据线限定出的三个像素区域中的三个薄膜晶体管3连接。可选地,三个第二像素电极22分别为红色像素电极、绿色像素电极和蓝色像素电极,三者可以构成一个完整的像素。此时,各第二像素电极22在第一方向x上的尺寸可以与第一像素电极21在第一方向x上的尺寸相同,各第二像素电极22在第二方向y上的尺寸可以约为第一像素电极21在第二方向y上的尺寸的1/3,此排布方式较为适用于现有技术中异形区域的边缘处,与一个第一像素电极21的尺寸和形状相近的未设置像素的区域。
示例性地,如图8所示,至少一个像素中,第二像素电极22的数量为四个,四者沿着第二方向y排列。可选地,四个第二像素电极22分别为红色像素电极、绿色像素电极、蓝色像素电极和白色像素电极,四者可以构成一个完整的像素。此时,各第二像素电极22在第一方向x上的尺寸可以与第一像素电极21在第一方向x上的尺寸相同,各第二像素电极22在第二方向y上的尺寸可以约为第一像素电极21在第二方向y上的尺寸的1/4,此排布方式较为适用于现有技术中异形区域的边缘处,与一个第一像素电极21的尺寸和形状相近的未设置像素的区域。与图7所示的方案相比,图8所示的方案中增加了白色像素电极,进而可以有助于提高显示面板的亮度。
可选地,如图9、图10和图11所示,图9为本申请实施例提供的由多个第二像素电极组成的像素的俯视图三,图10为本申请实施例提供的由多个第二像素电极组成的像素的俯视图四,图11为本申请实施例提供的由多个第二像素电极组成的像素的俯视图五,各第二像素电极22组成至少一个像素,至少一个像素中,所有第二像素电极22在所述第一方向x上排成行,各行第二像素电极22在第二方向y上排成列。
示例性地,如图9所示,至少一个像素中,第二像素电极22的数量为三个,分别为第一子像素电极221、第二子像素电极222和第三子像素电极223,第一子像素电极221和第二子像素电极222沿着第一方向x排列,第三子像素电极223与第一子像素电极221沿第二方向y排列。其中,第一子像素电极221、第二子像素电极222和第三子像素电极223与薄膜晶体管3的连接方式如图12所示,图12为本申请实施例图9中的多个第二像素电极与薄膜晶体管的连接示意图,第一子像素电极221、第二子像素电极222与两个薄膜晶体管3直接连接,其中,“直接连接”的意思为:第一子像素电极221、第二子像素电极222与其所在的像素区域中对应设置的薄膜晶体管3连接,像素区域为栅线和数据线围成的区域,第三子像素电极223与其他像素区域中的薄膜晶体管3连接。可选地,第一子像素电极221、第二子像素电极222和第三子像素电极223各为红色像素电极、绿色像素电极和蓝色像素电极中的一个,三者可以构成一个完整的像素。此时,第一子像素电极221、第二子像素电极222和第三子像素电极223在第一方向x上的尺寸可以与第一像素电极21在第一方向x上的尺寸相同,第一子像素电极221、第二子像素电极222和第三子像素电极223在第二方向y上的尺寸可以约为第一像素电极21在第二方向y上的尺寸的1/2,此排布方式较为适用于现有技术中异形区域的边缘处,与两个第一像素电极21的尺寸和形状相近的未设置像素的区域。
示例性地,如图10所示,至少一个像素中,第二像素电极22的数量为四个,分别为第一子像素电极221、第二子像素电极222、第三子像素电极223和第四子像素电极224,第一子像素电极221和第二子像素电极222沿着第一方向x排列,第三子像素电极223和第四子像素电极224沿着第一方向x排列,第一子像素电极221和第三子像素电极223沿着第二方向y排列。可选地,第一子像素电极221、第二子像素电极222、第三子像素电极223和第四像素电极224各为红色像素电极、绿色像素电极、蓝色像素电极和白色像素电极中的一个,四者可以构成一个完整的像素。此时,第一子像素电极221、第二子像素电极222、第三子像素电极223和第四子像素电极224在第一方向x上的尺寸可以与第一像素电极21在第一方向x上的尺寸相同,第一子像素电极221、第二子像素电极222、第三子像素电极223和第四子像素电极224在第二方向y上的尺寸可以约为第一像素电极21在第二方向y上的尺寸的1/2,此排布方式较为适用于现有技术中异形区域的边缘处,与两个第一像素电极21的尺寸和形状相近的未设置像素的区域。与图9所示的方案相比,图10所示的方案中增加了白色像素电极,进而可以有助于提高显示面板的亮度。
示例性地,如图11所示,至少一个像素中,第二像素电极22的数量为四个,分别为第一子像素电极221、第二子像素电极222、第三子像素电极223和第四子像素电极224,第一子像素电极221、第二子像素电极222和第三子像素电极223沿着第一方向x排列,第四子像素电极224与第一子像素电极221沿着第二方向y排列。可选地,第一子像素电极221、第二子像素电极222、第三子像素电极223和第四像素电极224各为红色像素电极、绿色像素电极、蓝色像素电极和白色像素电极中的一个,四者可以构成一个完整的像素。此时,第一子像素电极221、第二子像素电极222、第三子像素电极223和第四子像素电极224在第一方向x上的尺寸可以约为第一像素电极21在第二方向y上的尺寸的1/3,第一子像素电极221、第二子像素电极222、第三子像素电极223和第四子像素电极224在第二方向y上的尺寸可以与第一像素电极21在第一方向x上的尺寸相同,此排布方式较为适用于现有技术中异形区域的边缘处,与两个旋转90°设置的第一像素电极21的尺寸和形状相近的未设置像素的区域。图11所示的方案中也增加了白色像素电极,进而也可以使显示面板具有较高的亮度。
本申请的第二方面提供了一种显示装置,如图13所示,图13为本申请实施例提供的显示装置的俯视图,该显示装置包括以上任一项所述的显示面板100。此外,本申请实施例提供的显示装置可以是例如智能手机、可穿戴式智能手表、智能眼镜、平板电脑、电视机、显示器、笔记本电脑、数码相框、导航仪、车载显示器、电泳显示器、电子书等任何具有显示功能的产品或部件。本申请实施例提供的显示面板和显示装置可以为柔性,也可以为非柔性,本申请对此不做限定。
本申请提供的技术方案可以达到以下有益效果:
由于该显示面板包括的第二像素电极22为补偿像素电极,其在基板1上占用的面积小于每个第一像素电极21在基板1上占用的面积,从而使得现有技术中异形区域处原来不够设置完整的像素的位置,也可以设置由多个第二像素电极22构成的较小的完整的像素,与现有技术相比明显减小了异形区域的边缘处未设置像素的区域的面积,进而可以减轻显示过程中异形区域的边缘形成的锯齿状结构,使异形区域的边缘更平滑,提高显示面板的显示品质。另外,由于基板1上的薄膜晶体管3仍呈行列排布,与现有的薄膜晶体管的排布方式相同,因此,此显示面板在提高显示品质的同时,还不会对薄膜晶体管的排布方式进行改变,进而不会对显示面板的制作工艺产生影响。
以上所述仅为本申请的优选实施例而已,并不用于限制本申请,对于本领域的技术人员来说,本申请可以有各种更改和变化。凡在本申请的精神和原则之内,所作的任何修改、等同替换、改进等,均应包含在本申请的保护范围之内。

Claims (18)

1.一种显示面板,其特征在于,包括:
基板,
设置于所述基板上的多个像素电极,各所述像素电极中包含多个第一像素电极和至少三个第二像素电极,所述第二像素电极为补偿像素电极,每个所述补偿像素电极在所述基板上占用的面积小于每个所述第一像素电极在所述基板上占用的面积;
设置于所述基板上的多个薄膜晶体管,多个所述薄膜晶体管在第一方向上排成行,各行所述薄膜晶体管在第二方向上排成列,
各所述薄膜晶体管与各所述像素电极一一对应电连接,且至少一个所述第二像素电极在所述基板的正投影,与该第二像素电极所连接的所述薄膜晶体管在所述基板的正投影不重叠。
2.根据权利要求1所述的显示面板,其特征在于,
各所述第二像素电极在所述基板上所占用的区域为第一区域,各所述第一像素电极在所述基板上所占用的区域为第二区域,
所述第一区域位于所述第二区域的边缘处。
3.根据权利要求1所述的显示面板,其特征在于,
所述第二像素电极包括显示部分和连接部分,所述显示部分和所述连接部分同层设置,且所述显示部分通过所述连接部分与所述薄膜晶体管电连接。
4.根据权利要求3所述的显示面板,其特征在于,
所述连接部分为条形结构。
5.根据权利要求3所述的显示面板,其特征在于,
还包括设置于所述第二像素电极下方的公共电极,所述公共电极与所述第二像素电极之间形成电场;
所述公共电极上具有镂空部,在电场方向上,所述镂空部与至少一个所述连接部分相对。
6.根据权利要求5所述的显示面板,其特征在于,
在所述电场方向上,所述镂空部的投影与至少一个所述连接部分的投影相重合。
7.根据权利要求3所述的显示面板,其特征在于,
在垂直于所述基板的方向上看,所述连接部分包括多个直线段,各所述直线段中包含至少一个沿所述第一方向延伸的第一段,以及至少一个沿所述第二方向延伸的第二段。
8.根据权利要求1所述的显示面板,其特征在于,
还包括依次设置于所述第二像素电极下方的第一绝缘层、公共电极、平坦化层、第二金属层;
所述第二金属层与所述薄膜晶体管电连接,
所述第一绝缘层、所述公共电极和所述平坦化层均具有第一通孔,所述第二像素电极通过所述第一通孔与所述第二金属层电连接。
9.根据权利要求1所述的显示面板,其特征在于,
还包括依次设置于所述第二像素电极下方的第一绝缘层、公共电极、平坦化层、第二金属层、第二绝缘层和第一金属层,
所述第一金属层与所述薄膜晶体管电连接,
所述第一绝缘层、所述公共电极、所述平坦化层、所述第二金属层和所述第二绝缘层均具有第二通孔,所述第二像素电极通过所述第二通孔与所述第一金属层电连接。
10.根据权利要求1所述的显示面板,其特征在于,
还包括依次设置于所述第二像素电极下方的第一绝缘层、公共电极、平坦化层、第三金属层,
所述第三金属层与所述薄膜晶体管电连接,
所述第一绝缘层、所述公共电极、所述平坦化层均具有第三通孔,所述第二像素电极通过所述第三通孔与所述第三金属层电连接。
11.根据权利要求1-10中任一项所述的显示面板,其特征在于,
各所述第二像素电极组成至少一个像素,
至少一个所述像素中,所有所述第二像素电极沿着所述第一方向或所述第二方向排列。
12.根据权利要求11所述的显示面板,其特征在于,
至少一个所述像素中,所述第二像素电极的数量为三个,三者沿着所述第二方向排列。
13.根据权利要求11所述的显示面板,其特征在于,
至少一个所述像素中,所述第二像素电极的数量为四个,四者沿着所述第二方向排列。
14.根据权利要求1-10中任一项所述的显示面板,其特征在于,
各所述第二像素电极组成至少一个像素,
至少一个所述像素中,所有所述第二像素电极在所述第一方向上排成行,各行所述第二像素电极在所述第二方向上排成列。
15.根据权利要求14所述的显示面板,其特征在于,
至少一个所述像素中,所述第二像素电极的数量为三个,分别为第一子像素电极、第二子像素电极和第三子像素电极,
所述第一子像素电极和所述第二子像素电极沿着所述第一方向排列,两者与两个所述薄膜晶体管直接连接,所述第三子像素电极与所述第一子像素电极沿所述第二方向排列。
16.根据权利要求14所述的显示面板,其特征在于,
至少一个所述像素中,所述第二像素电极的数量为四个,分别为第一子像素电极、第二子像素电极、第三子像素电极和第四子像素电极,
所述第一子像素电极和所述第二子像素电极沿着所述第一方向排列,所述第三子像素电极和所述第四子像素电极沿着所述第一方向排列,所述第一子像素电极和所述第三子像素电极沿着所述第二方向排列。
17.根据权利要求14所述的显示面板,其特征在于,
至少一个所述像素中,所述第二像素电极的数量为四个,分别为第一子像素电极、第二子像素电极、第三子像素电极和第四子像素电极,
所述第一子像素电极、所述第二子像素电极和所述第三子像素电极沿着所述第一方向排列,所述第四子像素电极与所述第一子像素电极沿着所述第二方向排列。
18.一种显示装置,其特征在于,包括权利要求1-17中任一项所述的显示面板。
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CN105911744A (zh) * 2016-06-29 2016-08-31 上海天马微电子有限公司 显示面板与显示装置
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CN109994515A (zh) * 2017-12-22 2019-07-09 乐金显示有限公司 具有不规则形状的像素的不规则形状的平板显示器
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CN109389909A (zh) * 2018-09-20 2019-02-26 友达光电股份有限公司 显示面板
CN110189700A (zh) * 2019-06-25 2019-08-30 上海天马微电子有限公司 一种显示面板及显示装置
CN110827758A (zh) * 2019-10-31 2020-02-21 福建华佳彩有限公司 分层式amoled像素补偿电路

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