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WO2020252980A1 - 显示面板和电子设备 - Google Patents

显示面板和电子设备 Download PDF

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Publication number
WO2020252980A1
WO2020252980A1 PCT/CN2019/109454 CN2019109454W WO2020252980A1 WO 2020252980 A1 WO2020252980 A1 WO 2020252980A1 CN 2019109454 W CN2019109454 W CN 2019109454W WO 2020252980 A1 WO2020252980 A1 WO 2020252980A1
Authority
WO
WIPO (PCT)
Prior art keywords
electrode
touch
insulating layer
electrically connected
column
Prior art date
Application number
PCT/CN2019/109454
Other languages
English (en)
French (fr)
Inventor
李远航
Original Assignee
武汉华星光电半导体显示技术有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 武汉华星光电半导体显示技术有限公司 filed Critical 武汉华星光电半导体显示技术有限公司
Priority to US16/624,784 priority Critical patent/US11934603B2/en
Publication of WO2020252980A1 publication Critical patent/WO2020252980A1/zh

Links

Classifications

    • 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
    • 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
    • G06F3/0412—Digitisers structurally integrated in a display
    • 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
    • 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
    • G06F3/044—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
    • G06F3/0443—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means using a single layer of sensing electrodes
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2203/00—Indexing scheme relating to G06F3/00 - G06F3/048
    • G06F2203/041—Indexing scheme relating to G06F3/041 - G06F3/045
    • 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

Definitions

  • This application relates to the field of electronic display, and in particular to a display panel and electronic equipment.
  • the touch structure usually includes a plurality of touch electrodes, and each touch electrode is electrically connected to the flexible circuit board through a metal lead arranged on the periphery of the touch electrode.
  • These metal leads significantly increase the area of the display panel to the non-display area, which is not conducive to increasing the screen-to-body ratio of the display panel.
  • the present application provides a display panel and an electronic device.
  • the metal leads of touch electrodes are arranged under the touch area to reduce the area of the non-display area of the display panel.
  • the present application provides a display panel including a light-emitting layer and a touch structure located above the light-emitting layer;
  • the touch structure includes a plurality of touch regions and a driving circuit, and the touch region includes a plurality of touch units;
  • the plurality of touch units are arranged in at least two rows along the first direction, the plurality of touch units in each row are arranged in the second direction; the plurality of touch units are arranged in at least two columns along the second direction, The multiple touch units in each column are arranged along the first direction;
  • the driving circuit is located outside the touch area
  • the touch units located in the same row are electrically connected to the driving circuit through the first wiring corresponding to the row, and the first wiring is located under the touch area;
  • the touch units located in the same column are electrically connected to the driving circuit through the second wiring corresponding to the column.
  • the first direction and the second direction are perpendicular, and the first trace is parallel to the first direction.
  • each column of touch control units includes a first end close to the driving circuit and a second end far away from the driving circuit, and the second wiring is led out from the first end.
  • each of the touch control units includes:
  • a first insulating layer the first insulating layer having an opening
  • a first connecting line, the first connecting line is located in the opening of the first insulating layer
  • a first electrode, the first electrode is located on the first connection line and is electrically connected to the first connection line;
  • a second electrode, the second electrode is located on the first insulating layer and is electrically insulated from the first electrode;
  • a second insulating layer 15 covering the first electrode, the second electrode, and the first insulating layer, and the second insulating layer 15 has a through hole exposing the second electrode;
  • the second connecting line is located on the second insulating layer 15 and is electrically connected to the second electrode through the through hole.
  • the plurality of first connecting lines of the plurality of touch units in each row are electrically connected in sequence along the second direction to form a plurality of row connecting lines, and each row connecting line is connected to the row The first wire corresponding to the connecting wire is electrically connected.
  • the plurality of second connection lines of the plurality of touch units in each column are electrically connected in sequence along the first direction to form a plurality of column connection lines, and each column connection line is connected to the column The second wire corresponding to the connecting wire is electrically connected.
  • the plurality of first wiring lines are located in the first insulating layer and are electrically insulated from the first connecting line;
  • the plurality of second wiring lines are located in the second insulating layer 15 and are electrically insulated from the second connecting lines.
  • the first electrode in each touch control unit is elongated, and the plurality of first electrodes in the plurality of touch control units are arranged in parallel.
  • the second electrode in each touch unit is elongated, the number of the second electrode is two, and the two second electrodes are respectively located on two sides of the first electrode. side.
  • the first electrode and the second electrode in each touch unit are arranged in parallel, the length of the first electrode and the second electrode are equal, and the distance between each second electrode and the first electrode The distance between them is equal.
  • the present application also provides an electronic device, the electronic device includes a display panel, the display panel includes a light-emitting layer and a touch structure located above the light-emitting layer;
  • the touch structure includes a plurality of touch regions and a driving circuit, and the touch region includes a plurality of touch units;
  • the plurality of touch units are arranged in at least two rows along the first direction, the plurality of touch units in each row are arranged in the second direction; the plurality of touch units are arranged in at least two columns along the second direction, The multiple touch units in each column are arranged along the first direction;
  • the driving circuit is located outside the touch area
  • the touch units located in the same row are electrically connected to the driving circuit through the first wiring corresponding to the row, and the first wiring is located under the touch area;
  • the touch units located in the same column are electrically connected to the driving circuit through the second wiring corresponding to the column.
  • the first direction and the second direction are perpendicular, and the first trace is parallel to the first direction.
  • each column of touch control units includes a first end close to the driving circuit and a second end far away from the driving circuit, and the second wiring is led out from the first end.
  • each of the touch control units includes:
  • a first insulating layer the first insulating layer having an opening
  • a first connecting line, the first connecting line is located in the opening of the first insulating layer
  • a first electrode, the first electrode is located on the first connection line and is electrically connected to the first connection line;
  • a second electrode, the second electrode is located on the first insulating layer and is electrically insulated from the first electrode;
  • a second insulating layer 15 covering the first electrode, the second electrode, and the first insulating layer, and the second insulating layer 15 has a through hole exposing the second electrode;
  • the second connecting line is located on the second insulating layer 15 and is electrically connected to the second electrode through the through hole.
  • the plurality of first connecting lines of the plurality of touch units in each row are electrically connected in sequence along the second direction to form a plurality of row connecting lines, and each row connecting line is connected to the row The first wire corresponding to the connecting wire is electrically connected.
  • the plurality of second connection lines of the plurality of touch units in each column are electrically connected in sequence along the first direction to form a plurality of column connection lines, and each column connection line is connected to the column The second wire corresponding to the connecting wire is electrically connected.
  • the plurality of first wiring lines are located in the first insulating layer and are electrically insulated from the first connecting line;
  • the plurality of second wiring lines are located in the second insulating layer 15 and are electrically insulated from the second connecting lines.
  • the first electrode in each touch control unit is elongated, and the plurality of first electrodes in the plurality of touch control units are arranged in parallel.
  • the second electrode in each touch unit is elongated, the number of the second electrode is two, and the two second electrodes are respectively located on two sides of the first electrode. side.
  • the first electrode and the second electrode in each touch unit are arranged in parallel, the length of the first electrode and the second electrode are equal, and the distance between each second electrode and the first electrode The distance between them is equal.
  • the metal trace connecting each touch unit in the touch structure is arranged under the touch area.
  • the present application can prevent the metal traces of the touch area from occupying the area of the non-display area, thereby significantly reducing the non-display area of the display panel.
  • the area of the district Compared with the prior art, the present application can effectively increase the screen-to-body ratio of the display panel.
  • FIG. 1 is a schematic structural diagram of a touch structure of a display panel in the prior art
  • FIG. 2 is a schematic structural diagram of a touch structure of a display panel in a specific embodiment of the application
  • FIG. 3 is a cross-sectional view of touch units located in the same row in a specific embodiment of the application, in which first connection lines of the plurality of touch units are shown;
  • FIG. 4 is a partial enlarged schematic diagram of FIG. 3, which further shows a first insulating layer in a touch unit;
  • FIG. 5 is a cross-sectional view of the touch unit in FIG. 4, which further shows the first electrode and the second electrode;
  • FIG. 6 is a cross-sectional view of the touch unit in FIG. 5, which further shows the second insulating layer 15;
  • FIG. 7 is a cross-sectional view of the touch unit in FIG. 6, which further shows a second connecting line;
  • FIG. 8 is a schematic structural diagram of a touch unit in a specific embodiment of this application.
  • FIG. 1 is a schematic structural diagram of a touch structure of a display panel in the prior art.
  • the existing display panel includes a light-emitting layer 100 and a touch structure located above the light-emitting layer 100.
  • the touch structure includes a plurality of touch units 300 and a driving circuit 200, and the plurality of touch units are connected to the driving circuit 200 through wires 400.
  • the wiring 400 in order to prevent the wiring 400 from interfering with the touch unit 300, the wiring 400 is arranged on both sides of the touch area. The area occupied by the wiring 400 cannot be displayed normally, that is, the wiring 400 increases the area of the non-display area of the display panel, which is not conducive to reducing the screen-to-body ratio of the display panel.
  • the present application provides a display panel and an electronic device.
  • the metal leads of the touch electrode are arranged under the touch area to reduce the area of the non-display area of the display panel.
  • the present application provides a display panel including a light-emitting layer 110 and a touch structure located above the light-emitting layer 110.
  • the touch structure includes a plurality of touch regions and a driving circuit 210, and the touch region includes a plurality of touch units 310.
  • the multiple touch units 310 have the same shape and size.
  • the area of each touch unit 310 is less than or equal to 1 square millimeter.
  • the plurality of touch units 310 are arranged in at least two rows along the first direction, and the plurality of touch units 310 in each row are arranged along the second direction.
  • the multiple touch units 310 are arranged in at least two rows along the second direction, and the multiple touch units 310 in each row are arranged along the first direction.
  • the driving circuit 210 is located outside the touch area.
  • the first direction and the second direction are perpendicular, and the first trace is parallel to the first direction.
  • the first direction is the X direction
  • the second direction is the Y direction.
  • the touch units are arranged in rows along the X direction, and a plurality of touch units in each row are arranged along the Y direction.
  • the touch units are arranged in rows along the Y direction, and a plurality of touch units in each row are arranged along the X direction.
  • each column of touch unit 310 includes a first end close to the driving circuit and a second end far away from the driving circuit, and the second wiring is led out from the first end. This arrangement can reduce the distance of the wiring, simplify the process, and save the cost.
  • FIG. 3 to 8 are cross-sectional views of touch units located in the same row in different process steps in a specific embodiment of this application.
  • Figure 8 is a specific embodiment of this application.
  • each touch unit 310 includes: a first insulating layer 13, a first connecting wire 12, a first electrode 141, a second electrode 142, a second insulating layer 15, a second connecting wire 16, and a third Insulation layer 17.
  • the structure and manufacturing method of the touch unit 310 will be described in detail below with reference to the accompanying drawings.
  • first, a plurality of first connecting lines 12 are formed uniformly on the light-emitting layer 11. Each first connecting line 12 corresponds to a touch structure 310. After that, referring to FIG. 4, a first insulating layer 13 covering the first connecting wire 12 is formed. The first insulating layer 13 has an opening, and the first connecting wire 12 is located in the opening. Of course, in other embodiments, the first insulating layer 13 may be formed first, and then the first connecting line 12 may be formed. The processes for forming the first insulating layer 13 and the first connecting wire 12 are conventional techniques in the art, and will not be repeated here.
  • a first electrode 141 and a second electrode 142 are formed.
  • the first electrode 141 is located on the first connection line 12 and is electrically connected to the first connection line 12.
  • the second electrode 142 is located on the first insulating layer 13 and is electrically insulated from the first electrode 141.
  • the first electrode 141 in each touch unit 310 is elongated, and the plurality of first electrodes 141 in the plurality of touch units 310 are arranged in parallel.
  • the second electrodes 142 in each touch unit 310 are elongated, the number of the second electrodes 142 is two, and the two second electrodes 142 are located on both sides of the first electrode 141 respectively.
  • the first electrode 141 and the second electrode 142 in each touch unit 310 are arranged in parallel, and the lengths of the first electrode 141 and the second electrode 142 are equal, and each second electrode 142 reaches the first electrode The distance between 141 is equal.
  • a second insulating layer 15 is formed, which covers the first electrode 141, the second electrode 142 and the first insulating layer 13, and the second insulating layer 15 has exposed The through hole 151 of the second electrode 142.
  • a second connecting wire 16 is formed.
  • the second connecting wire 16 is located on the second insulating layer 15 and is electrically connected to the second electrode 142 through the through hole.
  • a third insulating layer 17 is formed, and the third insulating layer 17 covers the second insulating layer 15 and the second connecting wire 16.
  • the plurality of first connecting lines 12 of the plurality of touch units 310 in each row are electrically connected in sequence along the second direction to form a plurality of row connecting lines, and each row connecting line is connected to the row connecting line The corresponding first trace is electrically connected.
  • the plurality of second connection lines 16 of the plurality of touch units 310 in each column are electrically connected in sequence along the first direction to form a plurality of column connection lines, and each column connection line corresponds to the second column connection line. Wire the electrical connection.
  • the plurality of first wiring lines are located in the first insulating layer 13 and are electrically insulated from the first connecting line 12; the plurality of second wiring lines are located in the second insulating layer 15 , And electrically insulated from the second connecting line 16.
  • the present application arranges the metal traces connecting each touch unit 310 in the touch structure under the touch area.
  • the present application can prevent the metal traces of the touch area from occupying the area of the non-display area, thereby significantly reducing the non-display area of the display panel.
  • the area of the district Compared with the prior art, the present application can effectively increase the screen-to-body ratio of the display panel.
  • the present application also provides an electronic device including the display panel as described above.

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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)
  • Computer Networks & Wireless Communication (AREA)
  • Position Input By Displaying (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)

Abstract

一种显示面板和电子设备。所述显示面板包括发光层（110）和触控结构。所述触控结构包括多个触控单元（310）。所述多个触控单元（310）沿第一方向排列成至少两行；所述多个触控单元（310）沿第二方向排列成至少两列。位于同一行的触控单元（310）通过与该行对应的第一走线（410）电连接到驱动电路，所述第一走线（410）位于所述触控区域下方；位于同一列的触控单元（310）通过与该列对应的第二走线（420）电连接到驱动电路。

Description

显示面板和电子设备 技术领域
本申请涉及电子显示领域，尤其涉及一种显示面板和电子设备。
 背景技术
在智能设备中即成触控功能的方法一般有三种，包括：外挂式、集成于显示面板内部（incell）和集成于显示面板外部（oncell）。相比于incell方案和外挂式方案，oncell方案的制作工艺简单、成本低且透过率高，成为现阶段智能设备的首选方案。
 技术问题
参见图1，现有技术的oncell方案中，触控结构通常包括多个触控电极，每个触控电极都通过设置在触控电极外围的金属引线与柔性电路板电连接。这些金属引线显著增加了显示面板对非显示区的面积，不利于提高显示面板的屏占比。
 技术解决方案
本申请提供了一种显示面板和电子设备，将触控电极的金属引线设置在触控区域下方以减小显示面板的非显示区的面积。
为解决上述问题，本申请提供了一种显示面板，所述显示面板包括发光层以及位于所述发光层上方的触控结构；
所述触控结构包括多个触控区域和驱动电路，所述触控区域包括多个触控单元；
其中，所述多个触控单元沿第一方向排列成至少两行，每一行的多个触控单元沿第二方向排列；所述多个触控单元沿第二方向排列成至少两列，每一列的多个触控单元沿第一方向排列；
所述驱动电路位于所述触控区域外侧；
其中，位于同一行的触控单元通过与该行对应的第一走线电连接到所述驱动电路，所述第一走线位于所述触控区域下方；
位于同一列的触控单元通过与该列对应的第二走线电连接到所述驱动电路。
根据本发明的其中一个方面，所述第一方向和第二方向垂直，所述第一走线平行于所述第一方向。
根据本发明的其中一个方面，每一列触控单元包括靠近所述驱动电路的第一端和远离所述驱动电路的第二端，所述第二走线从所述第一端引出。
根据本发明的其中一个方面，每一个所述触控单元包括：
第一绝缘层，所述第一绝缘层具有开口；
第一连接线，所述第一连接线位于所述第一绝缘层的开口中；
第一电极，所述第一电极位于所述第一连接线上，与所述第一连接线电连接；
第二电极，所述第二电极位于所述第一绝缘层上，与所述第一电极电绝缘；
第二绝缘层15，所述第二绝缘层15覆盖所述第一电极、第二电极和第一绝缘层，并且所述第二绝缘层15具有暴露出所述第二电极的通孔；
第二连接线，所述第二连接线位于所述第二绝缘层15上，通过所述通孔与所述第二电极电连接。
根据本发明的其中一个方面，每一行的多个触控单元的多个第一连接线沿所述第二方向依次电连接，构成多个行连接线，每一个行连接线与和所述行连接线对应的第一走线电连接。
根据本发明的其中一个方面，每一列的多个触控单元的多个第二连接线沿所述第一方向依次电连接，构成多个列连接线，每一个列连接线与和所述列连接线对应的第二走线电连接。
根据本发明的其中一个方面，所述多条第一走线位于所述第一绝缘层中，与所述第一连接线电绝缘；
所述多条第二走线位于所述第二绝缘层15中，与所述第二连接线电绝缘。
根据本发明的其中一个方面，每一个触控单元中的第一电极为长条形，所述多个触控单元中的多个第一电极平行设置。
根据本发明的其中一个方面，每一个触控单元中的第二电极为长条形，所述第二电极的数目为两个，所述两个第二电极分别位于所述第一电极的两侧。
根据本发明的其中一个方面，每一个触控单元中的第一电极和第二电极平行设置，所述第一电极和第二电极的长度相等，每一个第二电极到所述第一电极之间的距离相等。
相应的，本申请还提供了一种电子设备，所述电子设备包括显示面板，所述显示面板包括发光层以及位于所述发光层上方的触控结构；
所述触控结构包括多个触控区域和驱动电路，所述触控区域包括多个触控单元；
其中，所述多个触控单元沿第一方向排列成至少两行，每一行的多个触控单元沿第二方向排列；所述多个触控单元沿第二方向排列成至少两列，每一列的多个触控单元沿第一方向排列；
所述驱动电路位于所述触控区域外侧；
其中，位于同一行的触控单元通过与该行对应的第一走线电连接到所述驱动电路，所述第一走线位于所述触控区域下方；
位于同一列的触控单元通过与该列对应的第二走线电连接到所述驱动电路。
根据本发明的其中一个方面，所述第一方向和第二方向垂直，所述第一走线平行于所述第一方向。
根据本发明的其中一个方面，每一列触控单元包括靠近所述驱动电路的第一端和远离所述驱动电路的第二端，所述第二走线从所述第一端引出。
根据本发明的其中一个方面，每一个所述触控单元包括：
第一绝缘层，所述第一绝缘层具有开口；
第一连接线，所述第一连接线位于所述第一绝缘层的开口中；
第一电极，所述第一电极位于所述第一连接线上，与所述第一连接线电连接；
第二电极，所述第二电极位于所述第一绝缘层上，与所述第一电极电绝缘；
第二绝缘层15，所述第二绝缘层15覆盖所述第一电极、第二电极和第一绝缘层，并且所述第二绝缘层15具有暴露出所述第二电极的通孔；
第二连接线，所述第二连接线位于所述第二绝缘层15上，通过所述通孔与所述第二电极电连接。
根据本发明的其中一个方面，每一行的多个触控单元的多个第一连接线沿所述第二方向依次电连接，构成多个行连接线，每一个行连接线与和所述行连接线对应的第一走线电连接。
根据本发明的其中一个方面，每一列的多个触控单元的多个第二连接线沿所述第一方向依次电连接，构成多个列连接线，每一个列连接线与和所述列连接线对应的第二走线电连接。
根据本发明的其中一个方面，所述多条第一走线位于所述第一绝缘层中，与所述第一连接线电绝缘；
所述多条第二走线位于所述第二绝缘层15中，与所述第二连接线电绝缘。
根据本发明的其中一个方面，每一个触控单元中的第一电极为长条形，所述多个触控单元中的多个第一电极平行设置。
根据本发明的其中一个方面，每一个触控单元中的第二电极为长条形，所述第二电极的数目为两个，所述两个第二电极分别位于所述第一电极的两侧。
根据本发明的其中一个方面，每一个触控单元中的第一电极和第二电极平行设置，所述第一电极和第二电极的长度相等，每一个第二电极到所述第一电极之间的距离相等。
 有益效果
通过改进触控单元的结构，本申请将触控结构中连接各个触控单元的金属走线设置在触控区域下方。相比于现有技术中将金属走线设置在触控区域外部的技术方案，本申请能够避免触控区的金属走线占据非显示区的面积，从而显著的减小了显示面板的非显示区的面积。相比于现有技术，本申请能够有效的提高显示面板的屏占比。
 附图说明
图1为现有技术中的显示面板的触控结构的结构示意图；
图2为本申请的一个具体实施例中的显示面板的触控结构的结构示意图；
图3为本申请的一个具体实施例中的位于同一行的触控单元的剖面图，其中示出了所述多个触控单元的第一连接线；
图4为图3的局部放大示意图，其中进一步示出了一个触控单元中的第一绝缘层；
图5为图4中触控单元的剖面图，其中进一步示出了第一电极和第二电极；
图6为图5中触控单元的剖面图，其中进一步示出了第二绝缘层15；
图7为图6中触控单元的剖面图，其中进一步示出了第二连接线；
图8为本申请的一个具体实施例中的一个触控单元的结构示意图。
 本发明的实施方式
以下各实施例的说明是参考附加的图示，用以例示本申请可用以实施的特定实施例。本申请所提到的方向用语，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申请，而非用以限制本申请。在图中，结构相似的单元是用以相同标号表示。
首先对现有技术进行简要说明。参见图1，图1为现有技术中的显示面板的触控结构的结构示意图。现有的显示面板包括发光层100和位于所述发光层100上方的触控结构。所述触控结构包括多个触控单元300和驱动电路200，所述多个触控单元通过走线400连接到所述驱动电路200。参见图1，现有技术中，为了避免走线400对触控单元300形成干扰，走线400设置在触控区域两侧。被走线400占据的区域无法正常显示，即走线400增加了显示面板的非显示区的面积，不利于减小显示面板的屏占比。
为解决上述问题，本申请提供了一种显示面板和电子设备，将触控电极的金属引线设置在触控区域下方以减小显示面板的非显示区的面积。下面将结合附图对本申请进行详细说明。
参见图2，本申请提供了一种显示面板，所述显示面板包括发光层110以及位于所述发光层110上方的触控结构。
所述触控结构包括多个触控区域和驱动电路210，所述触控区域包括多个触控单元310。所述多个触控单元310具有相同的形状和尺寸。本实施例中，为了保证所述触控结构的感应精度，每一个所述触控单元310的面积小于或等于1平方毫米。
参见图2，所述多个触控单元310沿第一方向排列成至少两行，每一行的多个触控单元310沿第二方向排列。所述多个触控单元310沿第二方向排列成至少两列，每一列的多个触控单元310沿第一方向排列。所述驱动电路210位于所述触控区域外侧。
本申请中，所述第一方向和第二方向垂直，所述第一走线平行于所述第一方向。本实施例中，参见图2，所述第一方向为X方向，所述第二方向为Y方向。所述触控单元沿X方向排列成行，每一行中的多个触控单元沿Y方向排列。所述触控单元沿Y方向排列成列，每一列中的多个触控单元沿X方向排列。
参见图2，位于同一行的触控单元310通过与该行对应的第一走线410电连接到所述驱动电路，所述第一走线410位于所述触控区域下方。位于同一列的触控单元310通过与该列对应的第二走线420电连接到所述驱动电路。本实施例中，每一列触控单元310包括靠近所述驱动电路的第一端和远离所述驱动电路的第二端，所述第二走线从所述第一端引出。这样设置能够缩小走线的距离，简化工艺，节约成本。
为了实现上述结构，本发明对每一个触控单元310的结构进行了优化和改进。参见图3至图8，图3至图7为本申请的一个具体实施例中的位于同一行的触控单元在不同的工艺步骤中的剖面图，图8为本申请的一个具体实施例中的一个触控单元的结构示意图。
参见图8，每一个所述触控单元310包括：第一绝缘层13、第一连接线12、第一电极141、第二电极142、第二绝缘层15、第二连接线16以及第三绝缘层17。下面将结合附图对所述触控单元310的结构和制作方法进行详细说明。
参考图3，首先在所述发光层11上形成均匀分布的多个第一连接线12。每一个第一连接线12对应一个触控结构310。之后，参见图4，形成覆盖所述第一连接线12的第一绝缘层13。所述第一绝缘层13具有开口，所述第一连接线12位于所述开口中。当然，在其他实施例中，也可以先形成第一绝缘层13，再形成第一连接线12。形成所述第一绝缘层13和第一连接线12的工艺都是本领域的常规技术，在此不再赘述。
之后，参见图5，形成第一电极141和第二电极142，所述第一电极141位于所述第一连接线12上，与所述第一连接线12电连接。所述第二电极142位于所述第一绝缘层13上，与所述第一电极141电绝缘。
参见图5，本实施例中，每一个触控单元310中的第一电极141为长条形，所述多个触控单元310中的多个第一电极141平行设置。每一个触控单元310中的第二电极142为长条形，所述第二电极142的数目为两个，所述两个第二电极142分别位于所述第一电极141的两侧。优选的，每一个触控单元310中的第一电极141和第二电极142平行设置，所述第一电极141和第二电极142的长度相等，每一个第二电极142到所述第一电极141之间的距离相等。
之后，参见图6，形成第二绝缘层15，所述第二绝缘层15覆盖所述第一电极141、第二电极142和第一绝缘层13，并且所述第二绝缘层15具有暴露出所述第二电极142的通孔151。
之后，参见图7，形成第二连接线16，所述第二连接线16位于所述第二绝缘层15上，通过所述通孔与所述第二电极142电连接。
最后，参见图8，形成第三绝缘层17，所述第三绝缘层17覆盖所述第二绝缘层15和所述第二连接线16。
本申请中，每一行的多个触控单元310的多个第一连接线12沿所述第二方向依次电连接，构成多个行连接线，每一个行连接线与和所述行连接线对应的第一走线电连接。每一列的多个触控单元310的多个第二连接线16沿所述第一方向依次电连接，构成多个列连接线，每一个列连接线与和所述列连接线对应的第二走线电连接。
本申请中，所述多条第一走线位于所述第一绝缘层13中，与所述第一连接线12电绝缘；所述多条第二走线位于所述第二绝缘层15中，与所述第二连接线16电绝缘。
通过改进触控单元310的结构，本申请将触控结构中连接各个触控单元310的金属走线设置在触控区域下方。相比于现有技术中将金属走线设置在触控区域外部的技术方案，本申请能够避免触控区的金属走线占据非显示区的面积，从而显著的减小了显示面板的非显示区的面积。相比于现有技术，本申请能够有效的提高显示面板的屏占比。
相应的，本申请还提供了一种电子设备，所述电子设备包括如前所述的显示面板。
综上所述，虽然本申请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申请，本领域的普通技术人员，在不脱离本申请的精神和范围内，均可作各种更动与润饰，因此本申请的保护范围以权利要求界定的范围为准。

Claims (20)

  1. 一种显示面板，其中，所述显示面板包括发光层以及位于所述发光层上方的触控结构；
    所述触控结构包括多个触控区域和驱动电路，所述触控区域包括多个触控单元；
    其中，所述多个触控单元沿第一方向排列成至少两行，每一行的多个触控单元沿第二方向排列；所述多个触控单元沿第二方向排列成至少两列，每一列的多个触控单元沿第一方向排列；
    所述驱动电路位于所述触控区域外侧；
    其中，位于同一行的触控单元通过与该行对应的第一走线电连接到所述驱动电路，所述多条第一走线位于所述触控区域下方；
    位于同一列的触控单元通过与该列对应的第二走线电连接到所述驱动电路。
  2. 根据权利要求1所述的显示面板，其中，所述第一方向和第二方向垂直，所述第一走线平行于所述第一方向。
  3. 根据权利要求1所述的显示面板，其中，每一列触控单元包括靠近所述驱动电路的第一端和远离所述驱动电路的第二端，所述多条第二走线从所述第一端引出。
  4. 根据权利要求3所述的显示面板，其中，每一个所述触控单元包括：
    第一绝缘层，所述第一绝缘层具有开口；
    第一连接线，所述第一连接线位于所述第一绝缘层的开口中；
    第一电极，所述第一电极位于所述第一连接线上，与所述第一连接线电连接；
    第二电极，所述第二电极位于所述第一绝缘层上，与所述第一电极电绝缘；
    第二绝缘层，所述第二绝缘层覆盖所述第一电极、第二电极和第一绝缘层，并且所述第二绝缘层具有暴露出所述第二电极的通孔；
    第二连接线，所述第二连接线位于所述第二绝缘层上，通过所述通孔与所述第二电极电连接。
  5. 根据权利要求4所述的显示面板，其中，每一行的多个触控单元的多个第一连接线沿所述第二方向依次电连接，构成多个行连接线，每一个行连接线与和所述行连接线对应的第一走线电连接。
  6. 根据权利要求5所述的显示面板，其中，每一列的多个触控单元的多个第二连接线沿所述第一方向依次电连接，构成多个列连接线，每一个列连接线与和所述列连接线对应的第二走线电连接。
  7. 根据权利要求6所述的显示面板，其中，所述多条第一走线位于所述第一绝缘层中，与所述第一连接线电绝缘；
    所述多条第二走线位于所述第二绝缘层中，与所述第二连接线电绝缘。
  8. 根据权利要求4所述的显示面板，其中，每一个触控单元中的第一电极为长条形，所述多个触控单元中的多个第一电极平行设置。
  9. 根据权利要求8所述的显示面板，其中，每一个触控单元中的第二电极为长条形，所述第二电极的数目为两个，所述两个第二电极分别位于所述第一电极的两侧。
  10. 根据权利要求9所述的显示面板，其中，每一个触控单元中的第一电极和第二电极平行设置，所述第一电极和第二电极的长度相等，每一个第二电极到所述第一电极之间的距离相等。
  11. 一种电子设备，所述电子设备包括显示面板，其中，所述显示面板包括发光层以及位于所述发光层上方的触控结构；
    所述触控结构包括多个触控区域和驱动电路，所述触控区域包括多个触控单元；
    其中，所述多个触控单元沿第一方向排列成至少两行，每一行的多个触控单元沿第二方向排列；所述多个触控单元沿第二方向排列成至少两列，每一列的多个触控单元沿第一方向排列；
    所述驱动电路位于所述触控区域外侧；
    其中，位于同一行的触控单元通过与该行对应的第一走线电连接到所述驱动电路，所述多条第一走线位于所述触控区域下方；
    位于同一列的触控单元通过与该列对应的第二走线电连接到所述驱动电路。
  12. 根据权利要求11所述的电子设备，其中，所述第一方向和第二方向垂直，所述第一走线平行于所述第一方向。
  13. 根据权利要求11所述的电子设备，其中，每一列触控单元包括靠近所述驱动电路的第一端和远离所述驱动电路的第二端，所述多条第二走线从所述第一端引出。
  14. 根据权利要求13所述的电子设备，其中，每一个所述触控单元包括：
    第一绝缘层，所述第一绝缘层具有开口；
    第一连接线，所述第一连接线位于所述第一绝缘层的开口中；
    第一电极，所述第一电极位于所述第一连接线上，与所述第一连接线电连接；
    第二电极，所述第二电极位于所述第一绝缘层上，与所述第一电极电绝缘；
    第二绝缘层，所述第二绝缘层覆盖所述第一电极、第二电极和第一绝缘层，并且所述第二绝缘层具有暴露出所述第二电极的通孔；
    第二连接线，所述第二连接线位于所述第二绝缘层上，通过所述通孔与所述第二电极电连接。
  15. 根据权利要求14所述的电子设备，其中，每一行的多个触控单元的多个第一连接线沿所述第二方向依次电连接，构成多个行连接线，每一个行连接线与和所述行连接线对应的第一走线电连接。
  16. 根据权利要求15所述的电子设备，其中，每一列的多个触控单元的多个第二连接线沿所述第一方向依次电连接，构成多个列连接线，每一个列连接线与和所述列连接线对应的第二走线电连接。
  17. 根据权利要求16所述的电子设备，其中，所述多条第一走线位于所述第一绝缘层中，与所述第一连接线电绝缘；
    所述多条第二走线位于所述第二绝缘层中，与所述第二连接线电绝缘。
  18. 根据权利要求14所述的电子设备，其中，每一个触控单元中的第一电极为长条形，所述多个触控单元中的多个第一电极平行设置。
  19. 根据权利要求18所述的电子设备，其中，每一个触控单元中的第二电极为长条形，所述第二电极的数目为两个，所述两个第二电极分别位于所述第一电极的两侧。
  20. 根据权利要求19所述的电子设备，其中，每一个触控单元中的第一电极和第二电极平行设置，所述第一电极和第二电极的长度相等，每一个第二电极到所述第一电极之间的距离相等。
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