WO2020073273A1 - 触控面板及触控装置 - Google Patents

触控面板及触控装置 Download PDF

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Publication number
WO2020073273A1
WO2020073273A1 PCT/CN2018/109807 CN2018109807W WO2020073273A1 WO 2020073273 A1 WO2020073273 A1 WO 2020073273A1 CN 2018109807 W CN2018109807 W CN 2018109807W WO 2020073273 A1 WO2020073273 A1 WO 2020073273A1
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WIPO (PCT)
Prior art keywords
touch
outlet
channel
touch panel
connection
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Ceased
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PCT/CN2018/109807
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English (en)
French (fr)
Inventor
包春贵
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Shenzhen Royole Display System Technology Co Ltd
Shenzhen Royole Technologies Co Ltd
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Shenzhen Royole Display System Technology Co Ltd
Shenzhen Royole Technologies Co Ltd
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Application filed by Shenzhen Royole Display System Technology Co Ltd, Shenzhen Royole Technologies Co Ltd filed Critical Shenzhen Royole Display System Technology Co Ltd
Priority to PCT/CN2018/109807 priority Critical patent/WO2020073273A1/zh
Priority to CN201880003061.XA priority patent/CN109643202A/zh
Priority to CN201920182137.1U priority patent/CN209560520U/zh
Publication of WO2020073273A1 publication Critical patent/WO2020073273A1/zh
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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
    • G06F3/044—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means

Definitions

  • the invention relates to the field of touch technology, in particular to a touch panel and a touch device.
  • Capacitive touch screens have been widely used in applications such as communications, consumer electronics, instruments, and meters. At present, most capacitive touch screens use a double-layer touch function layer structure, and some use a single-layer touch function layer structure.
  • the touch screen includes a functional area and frame areas provided on both sides of the functional area. In double-layer touch-sensitive touch screens and single-layer touch-sensitive touch screens, it is generally necessary to provide wiring in the border area, which results in a larger space required for the border area and also easily causes static electricity.
  • an embodiment of the present invention discloses a touch panel and a touch device that can save space in the frame area and improve the anti-static effect.
  • a touch panel includes a function area and a connection area connected to one end of the function area.
  • the touch panel further includes a first touch function layer and a second touch function layer with different layers and insulation settings.
  • the first touch function layer includes a first pattern structure and a first connection trace, the first pattern structure is located in the functional area, and the first connection trace is electrically connected to and extends from the first pattern structure
  • the second touch function layer includes a second pattern structure and a second connection trace.
  • the second pattern structure is located in the functional area and forms a channel.
  • the second connection trace is connected to the The second pattern structure is electrically connected and extends through the channel to the connection area.
  • a touch device includes the touch panel as described above.
  • the second connection trace is electrically connected to the second pattern structure through the channel and extends to the connection area to avoid touch
  • the panel is wired on both sides of the functional area, thereby effectively improving the anti-static effect of the touch panel.
  • FIG. 1 is a schematic diagram of a laminated structure of a touch device provided by an embodiment of the present invention.
  • FIG. 2 is a schematic diagram of the area distribution of the touch panel.
  • FIG 3 is a schematic plan view of a touch panel of a touch device provided by an embodiment of the present invention.
  • FIG. 4 is a schematic plan view of a first touch function layer of a touch panel provided by an embodiment of the present invention.
  • FIG. 5 is a schematic plan view of a second touch function layer of a touch panel provided by an embodiment of the present invention.
  • FIG. 6 is an enlarged schematic view of the local area V in FIG. 3.
  • FIG. 1 is a schematic diagram of a laminated structure of a touch device according to an embodiment of the present invention.
  • the touch device 200 includes a touch panel 100.
  • the touch panel 100 includes a first touch function layer 50 and a second touch function layer 70 with different layers and insulation.
  • the touch panel 100 further includes a cover plate 90, and the second touch function layer 70 is located between the first touch function layer 50 and the cover plate 90.
  • the cover plate 90 is used to protect the first touch function layer 50 and the second touch Functional layer 70.
  • the touch device 200 is a touch display device.
  • the touch device 200 further includes a display panel 201.
  • the display panel 201 and the touch panel 100 are stacked, and the first touch function layer 50 and the second touch function layer 70 and the cover plate 90 are sequentially stacked on the display panel 201.
  • the cover plate 90 is located at the outermost side of the viewing surface of the touch device 200; the first touch function layer 50 is a driving emission layer, and the second touch function layer 70 is a sensor Receiving layer.
  • the touch device 200 may be an electronic device with a touch display function, such as a tablet computer, a mobile phone, a reader. In other embodiments, the touch device 200 may omit the display panel 201, that is, the touch device 200 does not have a display function.
  • FIG. 2 is a schematic diagram of the area distribution of the touch panel provided by the embodiment of the present invention.
  • the touch panel 100 includes a functional area 10 and a connecting area 30 connected to one end of the functional area 10.
  • the connection area 30 is an area at one end of the touch panel 100.
  • the function area 10 is a touch effective area of the touch panel 100 for the user to touch input.
  • the touch panel 100 further includes two frame regions 40, and the two frame regions 40 are respectively located on both sides of the functional region 10, and are used to reserve a space to facilitate assembly and bonding of the touch panel 100 and the frame.
  • the two frame areas 40 are connected to the connection area 30, and the two frame areas 40 and the connection area 30 surround the functional area 10 in a frame shape.
  • the number of the frame area 40 may also be three.
  • the three frame areas 40 and the connection area 30 are respectively disposed around the functional area 10 and surround the functional area 10 as a whole.
  • FIG. 3 is a schematic plan view of a touch panel of a touch device according to an embodiment of the present invention.
  • FIG. 4 is a schematic plan view of a first touch function layer of the touch panel according to an embodiment of the present invention.
  • the first touch function layer 50 includes a first pattern structure 51 and a first connection trace 53.
  • the first pattern structure 51 is located in the functional area 10.
  • the first connection trace 53 is electrically connected to the first pattern structure 51 and extends to the connection area 30.
  • the first pattern structure 51 includes a plurality of pattern units 511.
  • the pattern units 511 are substantially strip-shaped, the pattern units 511 extend along the first direction, and the plurality of pattern units 511 are spaced apart along the second direction.
  • the direction is substantially perpendicular to the second direction.
  • the end of the pattern unit 511 adjacent to the connection area 30 is electrically connected to the first connection trace 53.
  • the other end of the first connection trace 53 away from the pattern unit 511 is used to connect to a touch sensing circuit (not shown). Thereby, the electrical connection between the pattern unit 511 and the touch sensing circuit is achieved.
  • the first direction is the arrangement direction of the functional area 10 and the connection area 30. It can be understood that the shape of the pattern unit 511 is not limited, and the pattern unit 511 may be a diamond shape, an ellipse, or the like, and the pattern unit 511 is not limited to extend along the first direction.
  • FIG. 5 is a schematic plan view of a second touch function layer of a touch panel provided by an embodiment of the present invention.
  • the second touch function layer 70 includes a second pattern structure 71 and a second connection trace 73.
  • the second pattern structure 71 is located in the functional area 10 and forms a plurality of channels 711.
  • the channel 711 extends from the functional area 10 to the connection area 30.
  • the second connection trace 73 is electrically connected to the second pattern structure 71 and penetrates the channel 711 to extend to the connection area 30 through the channel 711 to realize the electrical connection between the second pattern structure 71 and the touch sensing circuit connection.
  • the second connection trace 73 extends to the connection area 30 through the channel 711, the second touch function layer 70 does not need to lead out traces to both sides of the function area 10, that is, to avoid setting traces in the border area 40.
  • the panel 100 saves the installation space of the frame area 40, which is beneficial to the development of a full screen and the development of the borderless structure of the touch device 200.
  • the channel 711 includes a first channel 7111 and a second channel 7113, and both the first channel 7111 and the second channel 7113 extend along the first direction.
  • the second pattern structure 71 includes two outlet units 713 spaced apart along the second direction.
  • a first channel 7111 is formed between two adjacent outlet units 713.
  • the first channel 7111 extends from the end of the functional area 10 away from the connection area 30 in the first direction to the connection area 30, in other words, from the perspective of FIG.
  • the end of 70 away from the connection zone 30 extends in the first direction up to the connection zone 30.
  • the outlet unit 713 includes two first outlet units 7131 and one second outlet unit 7133.
  • the two first outlet units 7131 are arranged at intervals along the second direction and adjacent to the connection area 30.
  • the gap between the two first outlet units 7131 forms a second channel 7113.
  • the gap between two adjacent second outlet units 7133 constitutes part of the first channel 7111.
  • the first outlet unit 7131 includes a plurality of first outlet subunits 7135, the plurality of first outlet subunits 7135 are arranged at intervals along the first direction, and each first outlet subunit 7135 is connected to a second connection trace Connected to 73, the second connection trace 73 connected to the first outlet sub-unit 7135 passes through the corresponding second channel 7113 and extends to the connection area 30.
  • the second outlet unit 7133 includes a plurality of second outlet subunits 7137.
  • a plurality of second outlet subunits 7137 are arranged at intervals along the first direction, each second outlet subunit 7137 is electrically connected to a second connection trace 73, and a second connection to the second outlet subunit 7137
  • the trace 73 passes through the corresponding first channel 7111 and extends to the connection area 30.
  • the extension length of the second outlet subunit 7137 in the second direction is greater than the extension length of the first outlet subunit 7135 in the second direction.
  • the number of the first outlet unit 7131 and the number of the second outlet unit 7133 are not limited, and the number of the first outlet subunit 7135 of the first outlet unit 7131 and the second outlet subunit 7137 of the second outlet unit 7133 The number is not limited.
  • the first outlet subunit 7135 adjacent to the connection area 30 sets a second connection trace 73 through the second channel 7113, and the second outlet subunit 7137 farther away from the connection area 30 sets a second connection through the first channel 7111
  • the wiring 73, that is, the second touch function layer 70 is divided into regions for wiring of the second connection trace 73, which makes the wiring of the second connection trace 73 of the second touch function layer 70 more orderly and reduces functions
  • the blind spot in the area 10 effectively improves the edge anti-static effect to ensure the touch performance of the touch panel 100.
  • FIG. 6, is an enlarged schematic view of the partial region V in FIG. 3.
  • the second connection trace 73 corresponds to the gap of the first pattern structure 51.
  • the distance d between the orthographic projection of the second connection trace 73 on the first touch function layer 50 and the pattern unit 511 is not less than 0.
  • the signal interference between a pattern structure 51 and the second connection trace 73 due to capacitive coupling ensures the touch performance of the touch panel 100.
  • the second pattern structure 71 forms a plurality of channels 711 in the functional area 10, and a plurality of second connection traces 73 pass through the plurality of channels 711 and the second pattern structure 71 It is electrically connected and extends to the connection area 30, so that the second touch function layer 70 does not need to lead a trace to the border area 40 on both sides of the functional area 10, that is, to avoid setting traces in the traditional border area.
  • 100 saves the installation space of the border area, and also effectively improves the anti-static effect of the edge of the touch panel 100, and is beneficial to the development of the borderless touch device 200.
  • the second touch function layer 70 performs wiring of the second connection traces 73 in different regions, so that the wiring of the second connection traces 73 of the second touch function layer 70 is more orderly, reducing the blind spots of the functional area 10 To ensure the touch performance of the touch panel 100.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Position Input By Displaying (AREA)

Abstract

一种触控面板(100)，包括功能区(10)及与功能区(10)一端连接设置的连接区(30)。触控面板(100)还包括异层设置的第一触控功能层(50)及第二触控功能层(70)，所述第一触控功能层(50)包括第一图案结构(51)及第一连接走线(53)。第一连接走线(53)与第一图案结构(51)电性连接并延伸至连接区(30)。第二触控功能层(70)包括第二图案结构(71)及第二连接走线(73)。第二图案结构(71)位于功能区(10)并形成通道(711)，第二连接走线(73)通过所述通道(711)与第二图案结构(71)电性连接并延伸至连接区(30)，避免触控面板(100)在功能区(10)两侧进行布线，从而有效提高触控面板(100)的防静电效果。

Description

触控面板及触控装置 技术领域
本发明涉及触控技术领域，特别涉及一种触控面板及触控装置。
背景技术
电容式触摸屏已经广泛应用于通讯、消费类电子、仪器、仪表等应用领域。目前电容式触摸屏大多采用双层触控功能层结构，亦有采用单层触控功能层结构。触摸屏包括功能区及设置在所述功能区两侧的边框区。在双层触控式触摸屏及单层触控式触摸屏中，一般需在边框区设置走线，致使边框区要求预留的空间较大，且亦容易导致静电的产生。
发明内容
为解决上述问题，本发明实施例公开一种能够节省边框区空间且提升防静电效果的触控面板及触控装置。
一种触控面板，包括功能区及与所述功能区一端连接设置的连接区，所述触控面板还包括异层且绝缘设置的第一触控功能层及第二触控功能层，所述第一触控功能层包括第一图案结构及第一连接走线，所述第一图案结构位于所述功能区，所述第一连接走线与所述第一图案结构电性连接并延伸至所述连接区，所述第二触控功能层包括第二图案结构及第二连接走线，所述第二图案结构位于所述功能区并形成通道，所述第二连接走线与所述第二图案结构电性连接，并穿设于所述通道延伸至所述连接区。
一种触控装置，其包括如上所述的触控面板。
本发明提供的触控面板及触控装置，由于位于功能区的第二图案结构形成通道，第二连接走线通过所述通道与第二图案结构电性连接并延伸至连接区，避免触控面板在功能区两侧进行布线，从而有效提高触控面板的防静电效果。
附图说明
为了更清楚地说明本发明实施例中的技术方案，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的前提下，还可以根据这些附图获得其他的附图。
图1为本发明实施方式提供的一种触控装置的叠层结构示意图。
图2为触控面板的区域分布示意图。
图3为本发明实施方式提供的触控装置的触控面板的平面示意图。
图4为本发明实施方式提供的触控面板的第一触控功能层的平面示意图。
图5为本发明实施方式提供的触控面板的第二触控功能层的平面示意图。
图6为图3中局部区域V的放大示意图。
具体实施方式
下面将结合本发明实施例中的附图，对本发明实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例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做出创造性劳动前提下所获得的所有其他实施例，都属于本发明保护的范围。
请参阅图1，图1为本发明实施方式提供的一种触控装置的叠层结构示意图。触控装置200包括触控面板100。触控面板100包括异层且绝缘设置的第一触控功能层50及第二触控功能层70。触控面板100还包括盖板90，第二触控功能层70位于第一触控功能层50及盖板90之间，盖板90用于保护第一触控功能层50与第二触控功能层70。
本实施方式中，触控装置200为触控显示装置，触控装置200还包括显示面板201，显示面板201与触控面板100层叠设置，第一触控功能层50、第二触控功能层70及盖板90依次层叠设置于显示面板201上，盖板90位于触控装置200的观看面的最外侧；第一触控功能层50为驱动发射层，第二触控功能层70为感应接收层。触控装置200可以为平板电脑、手机、阅读器等具触控显示功能的电子设备。其他实施方式中，触控装置200可以省略显示面板201，即触控装置200不具显示功能。
请参阅图2，图2为本发明实施方式提供的触控面板的区域分布示意图。触控面板100包括功能区10及与功能区10一端连接设置的连接区30。连接区30为触控面板100的一端的区域。功能区10为触控面板100的触控有效区，以供用户触控输入。
触控面板100还包括两个边框区40，两个边框区40分别位于功能区10的两侧，用于预留一定空间方便将触控面板100与边框组装贴合于一起。两个边框区40与连接区30连接，两个边框区40与连接区30围成框形环绕功能区10设置。显然，在其他实施例中，边框区40的数量也可为三个，三个边框区40与连接区30分别设于功能区10的四周，而整体围绕功能区10。
请参阅图3与图4，图3为本发明实施方式提供的触控装置的触控面板的平面示意图，图4为本发明实施方式提供的触控面板的第一触控功能层的平面示意图。第一触控功能层50包括第一图案结构51及第一连接走线53。第一图案结构51位于功能区10。第一连接走线53与第一图案结构51电性连接并延伸至连接区30。本实施方式中，第一图案结构51包括多个图案单元511，图案单元511大致呈条形，图案单元511沿第一方向延伸，多个图案单元511沿第二方向间隔设置，所述第一方向与所述第二方向大致垂直。图案单元511与连接区30相邻的一端与第一连接走线53电性连接，第一连接走线53远离图案单元511的另一端用于与触控感测电路(图未示)连接，从而实现图案单元511与所述触控感测电路之间的电性连接。其中，所述第一方向为功能区10与连接区30的排布方向。可以理解，不限定图案单元511的形状，图案单元511可以为菱形、椭圆形等，不限定图案单元511沿所述第一方向延伸。
请参阅图5，图5为本发明实施方式提供的触控面板的第二触控功能层的平面示意图。第二触控功能层70包括第二图案结构71及第二连接走线73。第二图案结构71位于功能区10并形成多个通道711。通道711从功能区10延伸至连接区30。第二连接走线73与第二图案结构71电性连接，并穿设于通道711中而通过通道711延伸至连接区30，以实现第二图案结构71与所述触控感测电路电性连接。由于第二连接走线73通过通道711延伸至连接区30，使得第二触控功能层70无需向功能区10的两侧引出走线，即避免在边框区40设置走线，如此，触控面板100节省了边框区40的设置空间，有利于全面 屏的发展及触控装置200无边框化的发展。
更为具体的，通道711包括第一通道7111及第二通道7113，第一通道7111及第二通道7113均沿所述第一方向延伸。
第二图案结构71包括两个沿所述第二方向间隔设置的出线单元713。两个相邻的出线单元713之间形成一个第一通道7111。第一通道7111从功能区10远离连接区30的一端沿所述第一方向延伸直至连接区30，换而言之，从图5的视角来看，第一通道7111从第二触控功能层70远离连接区30的端部沿所述第一方向延伸直至连接区30。
出线单元713包括两个第一出线单元7131及一个第二出线单元7133。两个第一出线单元7131沿所述第二方向间隔排列并与连接区30相邻设置。两个第一出线单元7131之间的间隙形成第二通道7113。相邻的两个第二出线单元7133之间的间隙构成部分第一通道7111。
第一出线单元7131包括多个第一出线子单元7135，所述多个第一出线子单元7135沿所述第一方向间隔排列，每个第一出线子单元7135均与一第二连接走线73连接，与第一出线子单元7135连接的第二连接走线73穿设于对应的第二通道7113并延伸直至连接区30。
第二出线单元7133包括多个第二出线子单元7137。多个第二出线子单元7137沿所述第一方向间隔排列，每个第二出线子单元7137均与一第二连接走线73电性连接，与第二出线子单元7137连接的第二连接走线73穿设于对应的第一通道7111并延伸直至连接区30。第二出线子单元7137在所述第二方向的延伸长度大于第一出线子单元7135在所述第二方向的延伸长度。
可以理解，对第一出线单元7131的数量及第二出线单元7133的数量不作限定，对第一出线单元7131的第一出线子单元7135的数量及第二出线单元7133的第二出线子单元7137的数量不作限定。
与连接区30相邻的第一出线子单元7135通过第二通道7113设置第二连接走线73，而离连接区30距离较远的第二出线子单元7137通过第一通道7111设置第二连接走线73，即第二触控功能层70分区域进行第二连接走线73的布线，使得第二触控功能层70的第二连接走线73的布线方式更为有序，减少了功能区10的盲点，且有效的提高了边缘防静电的效果，确保触控面板100 的触控性能。
请参阅图6，图6为图3中局部区域V的放大示意图。第二连接走线73对应第一图案结构51的间隙设置，第二连接走线73在第一触控功能层50的正投影与图案单元511两者之间的距离d不小于0，避免第一图案结构51与第二连接走线73之间因电容耦合导致信号干扰，从而确保触控面板100的触控性能。
本发明提供的触控面板100及触控装置200，第二图案结构71在功能区10形成多个通道711，多个第二连接走线73通过所述多个通道711与第二图案结构71电性连接并延伸至连接区30，使得第二触控功能层70无需向功能区10的两侧的边框区40引出走线，即避免在传统的边框区设置走线，如此，触控面板100节省了边框区的设置空间，亦有效的提高了触控面板100边缘防静电的效果，且有利于触控装置200无边框化的发展。此外，第二触控功能层70分区域进行第二连接走线73的布线，使得第二触控功能层70的第二连接走线73的布线方式更为有序，减少功能区10的盲点，确保触控面板100的触控性能。
以上所述是本发明的优选实施例，应当指出，对于本技术领域的普通技术人员来说，在不脱离本发明原理的前提下，还可以做出若干改进和润饰，这些改进和润饰也视为本发明的保护范围。

Claims (11)

  1. 一种触控面板，其特征在于，包括功能区及与所述功能区一端连接设置的连接区，所述触控面板还包括异层且绝缘设置的第一触控功能层及第二触控功能层，所述第一触控功能层包括第一图案结构及第一连接走线，所述第一图案结构位于所述功能区，所述第一连接走线与所述第一图案结构电性连接并延伸至所述连接区，所述第二触控功能层包括第二图案结构及第二连接走线，所述第二图案结构位于所述功能区并形成通道，所述通道从所述功能区延伸至所述连接区，所述第二连接走线与所述第二图案结构电性连接，并穿设于所述通道而通过所述通道延伸至所述连接区。
  2. 如权利要求1所述的触控面板，其特征在于，所述第二图案结构包括至少两个间隔设置的出线单元，两个相邻的所述出线单元之间形成一个通道。
  3. 如权利要求2所述的触控面板，其特征在于，所述通道包括第一通道及第二通道，两个相邻的所述出线单元之间形成所述第一通道，所述出线单元包括至少两个第一出线单元及一个第二出线单元，所述至少两个第一出线单元间隔排列并与所述连接区相邻设置，所述第二出线单元远离所述连接区设置，相邻的第一出线单元之间形成第二通道，相邻的两个第二出线单元之间的间隙构成部分所述第一通道。
  4. 如权利要求3所述的触控面板，其特征在于，所述第一出线单元包括多个第一出线子单元，所述多个第一出线子单元间隔排列，每个第一出线子单元均与一第二连接走线连接，与所述第一出线子单元连接的第二连接走线穿设于对应的第二通道。
  5. 如权利要求3所述的触控面板，其特征在于，所述第二出线单元包括多个第二出线子单元，所述多个第二出线子单元间隔排列，每个第二出线子单元均与一第二连接走线连接，与所述第二出线子单元连接的第二连接走线穿设于对应的第一通道。
  6. 如权利要求2所述的触控面板，其特征在于，所述通道沿第一方向延伸，所述至少两个出线单元沿与所述第一方向垂直的第二方向间隔设置。
  7. 如权利要求1所述的触控面板，其特征在于，所述第一图案结构包括多 个图案单元，所述多个图案单元间隔设置，所述图案单元与所述连接区相邻的一端与所述第一连接走线电性连接。
  8. 如权利要求7所述的触控面板，其特征在于，所述第二连接走线对应所述第一图案结构的间隙设置，所述第二连接走线在所述第一触控功能层的正投影与所述图案单元两者之间的距离不小于0。
  9. 如权利要求1所述的触控面板，其特征在于，所述触控面板还包括盖板，所述第二触控功能层位于所述第一触控功能层及所述盖板之间。
  10. 一种触控装置，其特征在于，所述触控装置包括如权利要求1-9项任意一项所述的触控面板。
  11. 如权利要求10所述的触控装置，其特征在于，所述触控装置为触控显示装置，所述触控装置还包括与所述触控面板层叠设置的显示面板。
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