CN104714693A - 触控显示面板及触控显示装置 - Google Patents

触控显示面板及触控显示装置 Download PDF

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CN104714693A
CN104714693A CN201510118232.1A CN201510118232A CN104714693A CN 104714693 A CN104714693 A CN 104714693A CN 201510118232 A CN201510118232 A CN 201510118232A CN 104714693 A CN104714693 A CN 104714693A
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touch
electrode layer
layer
common electrode
control display
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CN104714693B (zh
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谢剑星
黄耀立
黄俊宏
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Wuhan China Star Optoelectronics Technology Co Ltd
TCL China Star Optoelectronics Technology Co Ltd
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Shenzhen China Star Optoelectronics Technology Co Ltd
Wuhan China Star Optoelectronics Technology Co Ltd
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Priority to US14/648,946 priority patent/US9798411B2/en
Priority to PCT/CN2015/075804 priority patent/WO2016145682A1/zh
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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
    • G06F3/0416—Control or interface arrangements specially adapted for digitisers
    • G06F3/04164—Connections between sensors and controllers, e.g. routing lines between electrodes and connection pads
    • 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
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    • 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 
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    • G06—COMPUTING; CALCULATING OR COUNTING
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    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
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    • G06F3/0412—Digitisers structurally integrated in a display
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    • G06—COMPUTING; CALCULATING OR COUNTING
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    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
    • G06F3/044—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
    • G06F3/0445—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means using two or more layers of sensing electrodes, e.g. using two layers of electrodes separated by a dielectric layer
    • 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
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1343—Electrodes
    • G02F1/134309—Electrodes characterised by their geometrical arrangement
    • G02F1/134372—Electrodes characterised by their geometrical arrangement for fringe field switching [FFS] where the common electrode is not patterned
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    • G02—OPTICS
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    • G02F2201/12—Constructional arrangements not provided for in groups G02F1/00 - G02F7/00 electrode
    • G02F2201/121—Constructional arrangements not provided for in groups G02F1/00 - G02F7/00 electrode common or background
    • G—PHYSICS
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    • G02F2201/00—Constructional arrangements not provided for in groups G02F1/00 - G02F7/00
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    • G06F2203/04111—Cross over in capacitive digitiser, i.e. details of structures for connecting electrodes of the sensing pattern where the connections cross each other, e.g. bridge structures comprising an insulating layer, or vias through substrate
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    • G06F2203/04112—Electrode mesh in capacitive digitiser: electrode for touch sensing is formed of a mesh of very fine, normally metallic, interconnected lines that are almost invisible to see. This provides a quite large but transparent electrode surface, without need for ITO or similar transparent conductive material

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Abstract

本发明提供一种触控显示面板及触控显示装置，该触控显示面板包括彩膜基板、阵列基板、液晶层、薄膜晶体管阵列层、公共电极层、感测层以及像素电极层；其中薄膜晶体管阵列层、公共电极层、感测层以及像素电极层通过介质层相互隔开。本发明的触控显示面板及触控显示装置通过感测层和公共电极层的设置，实现了公共信号和触控信号的传输，整个制作工艺简单，且制作良率较高。

Description

触控显示面板及触控显示装置
技术领域
本发明涉及触控显示领域，特别是涉及一种触控显示面板及触控显示装置。
背景技术
随着智能电子产品的普及，电容式触摸显示装置被广泛应用于各种电子产品，如：智能手机、平板电脑等。现有的电容式触摸显示装置具有G-G(glass-glass，传感器玻璃-钢化玻璃)、GF(glass-film，玻璃-薄膜)、GFF(glass-film-film，玻璃-薄膜-薄膜)、OGS(one glass solution，一体化玻璃)等外挂式结构，以及On cell(显示面板上配置触控传感器)、In cell(显示屏内嵌入触控传感器)等嵌入式结构。
近年来，人们追求越来越轻薄化的用户式体验，促使OGS、On cell、In cell三种技术并争的局面，而In cell由于制程上的独特优势可以做到比OGS、On cell更轻薄、透光性更好，势必成为电容式触摸显示面板的主流。
传统的in cell的电容式触控显示面板中，感应引线以及驱动引线位于同一金属层，感应引线以及驱动引线均通过贯穿孔与位于不同层的触控像素连接，制作工艺比较复杂，制程良率较低。
故，有必要提供一种触控显示面板及触控显示装置，以解决现有技术所存在的问题。
发明内容
本发明的目的在于提供一种制作工艺简单且制程良率较高的触控显示面板及触控显示装置；以解决现有的触控显示面板及触控显示装置的制作工艺比较复杂以及制程良率较低的技术问题。
为解决上述问题，本发明提供的技术方案如下：
本发明实施例提供一种触控显示面板，其包括：
彩膜基板；
阵列基板；
液晶层，设置在所述彩膜基板和所述阵列基板之间；
其中所述阵列基板上设置有：
薄膜晶体管阵列层，设置有用于传输扫描信号以及数据信号的薄膜晶体管；
公共电极层，设置在所述薄膜晶体管阵列层上，用于提供公共信号、以及用于接收触控信号，其包括驱动部、感应部以及公共信号部；
感测层，设置在所述公共电极层上，其包括驱动引线以及感应引线，发送同一触控驱动信号的所述驱动引线通过所述公共电极层的所述驱动部相互连接，接收同一触控感应信号的所述感应引线通过所述公共电极层的所述感应部相互连接；以及
像素电极层，通过第一贯穿孔与所述薄膜晶体管连接；
其中所述薄膜晶体管阵列层、所述公共电极层、所述感测层以及所述像素电极层通过介质层相互隔开。
在本发明所述的触控显示面板中，发送同一触控驱动信号的相邻的所述驱动引线通过第二贯穿孔连接到所述公共电极层的同一所述驱动部上。
在本发明所述的触控显示面板中，接收同一触控感应信号的相邻的所述感应引线通过第三贯穿孔连接到所述公共电极层的同一所述感应部上。
在本发明所述的触控显示面板中，所述公共电极层还包括公共信号连通部；其中同一公共线的所述公共信号部通过相应的所述公共信号连通部连接。
在本发明所述的触控显示面板中，所述感测层以金属网格的方式设置所述感应引线。
本发明实施例还提供一种触控显示装置，其包括背光源以及触控显示面板；其中所述触控显示面板包括：
彩膜基板；
阵列基板；
液晶层，设置在所述彩膜基板和所述阵列基板之间；
其中所述阵列基板上设置有：
薄膜晶体管阵列层，设置有用于传输扫描信号以及数据信号的薄膜晶体管；
公共电极层，设置在所述薄膜晶体管阵列层上，用于提供公共信号、以及用于接收触控信号，其包括驱动部、感应部以及公共信号部；
感测层，设置在所述公共电极层上，其包括驱动引线以及感应引线，发送同一触控驱动信号的所述驱动引线通过所述公共电极层的所述驱动部相互连接，接收同一触控感应信号的所述感应引线通过所述公共电极层的所述感应部相互连接；以及
像素电极层，通过第一贯穿孔与所述薄膜晶体管连接；
其中所述薄膜晶体管阵列层、所述公共电极层、所述感测层以及所述像素电极层通过介质层相互隔开。
在本发明所述的触控显示装置中，发送同一触控驱动信号的相邻的所述驱动引线通过第二贯穿孔连接到所述公共电极层的同一所述驱动部上。
在本发明所述的触控显示装置中，接收同一触控感应信号的相邻的所述感应引线通过第三贯穿孔连接到所述公共电极层的同一所述感应部上。
在本发明所述的触控显示装置中，所述公共电极层还包括公共信号连通部；其中同一公共线的所述公共信号部通过相应的所述公共信号连通部连接。
在本发明所述的触控显示装置中，所述感测层以金属网格的方式设置所述感应引线。
本发明的触控显示面板及触控显示装置通过感测层和公共电极层的设置，实现了公共信号和触控信号的传输，整个制作工艺简单，且制作良率较高；解决了现有的触控显示面板及触控显示装置的制作工艺比较复杂以及制程良率较低的技术问题。
为让本发明的上述内容能更明显易懂，下文特举优选实施例，并配合所附图式，作详细说明如下：
附图说明
图1为本发明的触控显示面板的优选实施例的结构示意图；
图2为本发明的触控显示面板的优选实施例感测层和公共电极层的俯视结构示意图；
图3为本发明的触控显示面板的优选实施例感测层和公共电极层的立体结构示意图。
具体实施方式
以下各实施例的说明是参考附加的图式，用以例示本发明可用以实施的特定实施例。本发明所提到的方向用语，例如「上」、「下」、「前」、「后」、「左」、「右」、「内」、「外」、「侧面」等，仅是参考附加图式的方向。因此，使用的方向用语是用以说明及理解本发明，而非用以限制本发明。
在图中，结构相似的单元是以相同标号表示。
请参照图1，图1为本发明的触控显示面板的优选实施例的结构示意图。本优选实施例的触控显示面板10包括彩膜基板11、阵列基板12、液晶层13。其中阵列基板12上设置有薄膜晶体管阵列层14、公共电极层15、感测层16以及像素电极层17；薄膜晶体管阵列层14设置有用于传输扫描信号以及数据信号的薄膜晶体管。公共电极层15设置在薄膜晶体管阵列层14上，用于提供公共信号、以及用于接收触控信号，其包括驱动部151、感应部152、公共信号部153以及公共信号连通部154，其中同一公共线的公共信号部153通过相应的公共信号连通部154连接。感测层16设置在公共电极层15上，其包括驱动引线161以及感应引线162，发送同一触控驱动信号的驱动引线161通过公共电极层15的驱动部151相互连接，接收同一触控感应信号的感应引线162通过公共电极层15的感应部152相互连接。像素电极层17通过第一贯穿孔(图中未示出)与薄膜晶体管阵列层14的薄膜晶体管连接。薄膜晶体管阵列层14、公共电极层15、感测层16以及像素电极层17通过介质层18相互隔开。
请参照图2和图3，图2为本发明的触控显示面板的优选实施例感测层和公共电极层的俯视结构示意图，图3为本发明的触控显示面板的优选实施例感测层和公共电极层的立体结构示意图。本优选实施例的触控显示面板10中的发送同一触控驱动信号的相邻的驱动引线161，即同一行的驱动引线161通过介质层18上的第二贯穿孔181连接到公共电极层15的同一驱动部151上，以保证触控驱动信号可以传输到出触控显示面板10的公共电极层15的各个驱动部151上。触控显示面板10中的接收同一触控感应信号的相邻的感应引线162，即同一列的感应引线162通过介质层18上的第三贯穿孔182连接到公共电极层15的同一感应部152上，以保证公共电极层15的各个感应部152产生的触控感应信号均可传输到外部的触控芯片上。
本优选实施例的触控显示面板10使用时，如该触控显示面板10处于显示模式时，驱动芯片给公共电极层15输入公共信号，驱动芯片通过连接各公共信号部153的公共信号连通部154给公共电极层15的所有的公共信号部153提供公共信号。同时驱动芯片通过驱动引线161给公共电极层15的所有的驱动部151提供公共信号。这时公共电极层15的感应部152悬空。由于公共电极层15的大部分区域均具有公共信号，因此该触控显示面板10可正常进行显示操作。
如该触控显示面板10处于触控模式时，触控芯片通过驱动引线161逐行传输触控驱动信号给公共电极层15的各个驱动部151，同时公共电极层15的各个感应部152可通过感应引线162将触控感应信号传输至触控芯片。这样即可完成整个触控操作的检测过程。这时公共电极层15的公共信号部153以及公共信号连通部154均悬空。
在本优选实施例中，感测层16的感应引线162设置在公共信号部153的正上侧，且感应引线162以金属网格的方式进行设置，这样在该触控显示面板10处于触控模式时，悬空的公共信号部153与感测层16的金属网格状的感应引线162进行耦合，从而增大感应引线162的信号感应量，增加触控感应信号的信噪比。
本发明的触控显示面板通过感测层和公共电极层的设置，实现了公共信号和触控信号的传输，整个制作工艺简单，且制作良率较高。
本发明还提供一种触控显示装置，该触控显示装置包括背光源以及触控显示面板，该触控显示面板包括彩膜基板、阵列基板以及设置在彩膜基板和阵列基板之间的液晶层。
其中阵列基板上设置有薄膜晶体管阵列层、公共电极层、感测层以及像素电极层；薄膜晶体管阵列层设置有用于传输扫描信号以及数据信号的薄膜晶体管。公共电极层设置在薄膜晶体管阵列层上，用于提供公共信号、以及用于接收触控信号，其包括驱动部、感应部、公共信号部以及公共信号连通部，其中同意公共线的公共信号部通过相应的公共信号连通部连接。感测层设置在公共电极层上，其包括驱动引线以及感应引线，发送同一触控驱动信号的驱动引线通过公共电极层的驱动部相互连接，接收同一触控感应信号的感应引线通过公共电极层的感应部相互连接。像素电极层通过第一贯穿孔与薄膜晶体管阵列层的薄膜晶体管连接。薄膜晶体管阵列层、公共电极层、感测层以及像素电极层通过介质层相互隔开。
优选的，发送同一触控驱动信号的相邻的驱动引线通过第二贯穿孔连接到公共电极层的同一所述驱动部上。
优选的，接收同一触控感应信号的相邻的感应引线通过第三贯穿孔连接到公共电极层的同一所述感应部上。
优选的，感测层以金属网格的方式在公共信号部的正上方设置感应引线。
本发明的触控显示装置的具体工作原理与上述的触控显示面板的优选实施例中的相关描述相同或相似，具体请参见上述触控显示面板的优选实施例中的相关描述。
本发明的触控显示面板及触控显示装置通过感测层和公共电极层的设置，实现了公共信号和触控信号的传输，整个制作工艺简单，且制作良率较高；解决了现有的触控显示面板及触控显示装置的制作工艺比较复杂以及制程良率较低的技术问题。
综上所述，虽然本发明已以优选实施例揭露如上，但上述优选实施例并非用以限制本发明，本领域的普通技术人员，在不脱离本发明的精神和范围内，均可作各种更动与润饰，因此本发明的保护范围以权利要求界定的范围为准。

Claims (10)

1.一种触控显示面板，其特征在于，包括：
彩膜基板；
阵列基板；
液晶层，设置在所述彩膜基板和所述阵列基板之间；
其中所述阵列基板上设置有：
薄膜晶体管阵列层，设置有用于传输扫描信号以及数据信号的薄膜晶体管；
公共电极层，设置在所述薄膜晶体管阵列层上，用于提供公共信号以及用于接收触控信号，其包括驱动部、感应部以及公共信号部；
感测层，设置在所述公共电极层上，其包括驱动引线以及感应引线；发送同一触控驱动信号的所述驱动引线通过所述公共电极层的所述驱动部相互连接，接收同一触控感应信号的所述感应引线通过所述公共电极层的所述感应部相互连接；以及
像素电极层，通过第一贯穿孔与所述薄膜晶体管连接；
其中所述薄膜晶体管阵列层、所述公共电极层、所述感测层以及所述像素电极层通过介质层相互隔开。
2.根据权利要求1所述的触控显示面板，其特征在于，发送同一触控驱动信号的相邻的所述驱动引线通过第二贯穿孔连接到所述公共电极层的同一所述驱动部上。
3.根据权利要求1所述的触控显示面板，其特征在于，接收同一触控感应信号的相邻的所述感应引线通过第三贯穿孔连接到所述公共电极层的同一所述感应部上。
4.根据权利要求1所述的触控显示面板，其特征在于，所述公共电极层还包括公共信号连通部；其中同一公共线的所述公共信号部通过相应的所述公共信号连通部连接。
5.根据权利要求1所述的触控显示面板，其特征在于，所述感测层以金属网格的方式设置所述感应引线。
6.一种触控显示装置，其特征在于，包括背光源以及触控显示面板；其中所述触控显示面板包括：
彩膜基板；
阵列基板；
液晶层，设置在所述彩膜基板和所述阵列基板之间；
其中所述阵列基板上设置有：
薄膜晶体管阵列层，设置有用于传输扫描信号以及数据信号的薄膜晶体管；
公共电极层，设置在所述薄膜晶体管阵列层上，用于提供公共信号、以及用于接收触控信号，其包括驱动部、感应部以及公共信号部；
感测层，设置在所述公共电极层上，其包括驱动引线以及感应引线，发送同一触控驱动信号的所述驱动引线通过所述公共电极层的所述驱动部相互连接，接收同一触控感应信号的所述感应引线通过所述公共电极层的所述感应部相互连接；以及
像素电极层，通过第一贯穿孔与所述薄膜晶体管连接；
其中所述薄膜晶体管阵列层、所述公共电极层、所述感测层以及所述像素电极层通过介质层相互隔开。
7.根据权利要求6所述的触控显示装置，其特征在于，发送同一触控驱动信号的相邻的所述驱动引线通过第二贯穿孔连接到所述公共电极层的同一所述驱动部上。
8.根据权利要求6所述的触控显示装置，其特征在于，接收同一触控感应信号的相邻的所述感应引线通过第三贯穿孔连接到所述公共电极层的同一所述感应部上。
9.根据权利要求6所述的触控显示装置，其特征在于，所述公共电极层还包括公共信号连通部；其中同一公共线的所述公共信号部通过相应的所述公共信号连通部连接。
10.根据权利要求6所述的触控显示装置，其特征在于，所述感测层以金属网格的方式设置所述感应引线。
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