WO2020124780A1 - 触控面板及其制作方法、电子装置 - Google Patents
触控面板及其制作方法、电子装置 Download PDFInfo
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- WO2020124780A1 WO2020124780A1 PCT/CN2019/075664 CN2019075664W WO2020124780A1 WO 2020124780 A1 WO2020124780 A1 WO 2020124780A1 CN 2019075664 W CN2019075664 W CN 2019075664W WO 2020124780 A1 WO2020124780 A1 WO 2020124780A1
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- WIPO (PCT)
- Prior art keywords
- electrode
- area
- electrode lead
- binding area
- touch
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Classifications
-
- 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
- G06F3/0412—Digitisers structurally integrated in a display
-
- 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
-
- 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
- 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
- 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
- G06F3/0446—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means using a grid-like structure of electrodes in at least two directions, e.g. using row and column electrodes
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; 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
- G06F2203/04103—Manufacturing, i.e. details related to manufacturing processes specially suited for touch sensitive devices
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; 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
- G06F2203/04112—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
Definitions
- the present application relates to the field of display, and in particular to a touch panel, its manufacturing method, and electronic device.
- the commonly used touch technology includes external touch technology and embedded touch technology.
- the external touch technology embeds the touch sensor on the display panel, that is, the touch sensor is arranged on the liquid crystal panel, which is much less difficult than the embedded touch technology.
- the existing touch sensor includes touch electrodes disposed in the touch area and touch traces located around the touch electrodes. Touch traces need to be provided with black borders on both sides of the display screen to shield the touch traces, which increases the width of the black frame of the display and cannot meet the user's demand for narrow borders.
- the present application provides a touch panel, a manufacturing method thereof, and an electronic device to solve the technical problem of large black frame spacing on both sides of the existing display screen.
- the present application provides a touch panel, wherein the touch panel includes a touch area and a binding area on one side of the touch area, the touch area is provided with:
- At least one electrode lead set including electrode leads, one of the electrode leads corresponding to one of the first electrode or one of the second electrode;
- Each of the electrode leads is drawn from the edge of the first electrode or the second electrode, and extends to the binding area through the touch area.
- the touch area includes a first area and a second area
- the first electrode is provided in the first area
- the second electrode is provided in the second area.
- the touch panel includes a first electrode lead group and a second electrode lead group;
- the first electrode lead group includes a first electrode lead electrically connected to the first electrode in the first area, the first electrode lead is led out from a corresponding edge of the first electrode, the first The electrode lead extends to the binding area through the touch area;
- the second electrode lead group includes a second electrode lead electrically connected to the second electrode in the second area, the second electrode lead is led out from a corresponding edge of the second electrode, the second The electrode lead extends through the touch area to the binding area.
- the first electrode lead and the second electrode lead include a first connection segment and a second connection segment
- One end of the first connection section is connected to the corresponding first electrode through a via, and the other end of the first connection section is connected to the second connection section;
- One end of the second connection section is vertically connected to the first connection section, and the other end of the second connection section extends to the binding area;
- the first connecting section is parallel to the first direction, and the second connecting section is perpendicular to the first direction.
- the binding area includes a first binding area and a second binding area
- the first electrode lead extends through the touch area to the first binding area
- the second electrode lead extends to the second binding area through the touch area
- the first binding region and the second binding region are located on the same side of the substrate as the first electrode layer.
- the electrode lead group is located between the substrate and the first electrode layer; or,
- the electrode lead group is located above the first electrode layer away from the substrate.
- a first insulating layer is provided between the electrode lead group and the first electrode layer.
- the touch area is also provided with:
- a second electrode layer located on a side of the substrate away from the first electrode layer, the second electrode layer including a third electrode arranged along the second direction;
- the third electrode lead group includes a third electrode lead electrically connected to the third electrode, and a third electrode lead is drawn from a side of the corresponding third electrode close to the binding area and extends to the ⁇ Binding area.
- the binding area further includes a third binding area
- the third binding area and the second electrode layer are located on the same side of the substrate;
- the third electrode lead is connected to the third binding area.
- the third electrode lead is at a first angle to the third binding area
- the first angle between the third electrode lead near the boundary of the touch panel and the third binding area is the smallest, and the third electrode lead and the third located in the middle area of the touch panel The first angle of the binding area is the largest.
- the third electrode is arranged perpendicular to the first electrode, and the third electrode is arranged perpendicular to the second electrode.
- the third electrode lead group is provided in the same layer as the second electrode layer.
- the present application also proposes an electronic device, wherein the electronic device includes a touch panel and a flexible circuit board connected to the touch panel, the touch panel includes a touch area and a The binding area on the side is provided with:
- At least one electrode lead set including electrode leads, one of the electrode leads corresponding to one of the first electrode or one of the second electrode;
- Each of the electrode leads is drawn from the edge of the first electrode or the second electrode, and extends to the binding area through the touch area.
- the touch area includes a first area and a second area
- the first electrode is provided in the first area
- the second electrode is provided in the second area
- the touch panel includes a first electrode lead group and a second electrode lead group
- the first electrode lead group includes a first electrode lead electrically connected to the first electrode in the first area, the first electrode lead is led out from a corresponding edge of the first electrode, the first The electrode lead extends to the binding area through the touch area;
- the second electrode lead group includes a second electrode lead electrically connected to the second electrode in the second area, the second electrode lead is led out from a corresponding edge of the second electrode, the second The electrode lead extends through the touch area to the binding area.
- the first electrode lead and the second electrode lead include a first connection segment and a second connection segment
- One end of the first connection section is connected to the corresponding first electrode through a via, and the other end of the first connection section is connected to the second connection section;
- One end of the second connection section is vertically connected to the first connection section, and the other end of the second connection section extends to the binding area;
- the first connecting section is parallel to the first direction, and the second connecting section is perpendicular to the first direction.
- the binding area includes a first binding area and a second binding area
- the first electrode lead extends through the touch area to the first binding area
- the second electrode lead extends to the second binding area through the touch area
- the first binding area, the second binding area and the first electrode layer are located on the same side of the substrate.
- the touch area is also provided with:
- a second electrode layer located on a side of the substrate away from the first electrode layer, the second electrode layer including a third electrode arranged along the second direction;
- the third electrode lead group includes a third electrode lead electrically connected to the third electrode, and a third electrode lead is drawn from a side of the corresponding third electrode close to the binding area and extends to the Describe the binding area;
- the binding area also includes a third binding area
- the third binding area and the second electrode layer are located on the same side of the substrate;
- the third electrode lead is connected to the third binding area.
- the flexible circuit board includes:
- the first terminal area and the second terminal area are located on one side of the touch panel, and the third terminal area is located on the other side of the touch panel.
- This application also proposes a method for manufacturing a touch panel, which includes the following steps:
- first electrode lead group and the second electrode lead group are electrically connected to the first electrode layer through the via hole;
- the method before step S40, the method further includes:
- step S40 it also includes:
- a third insulating layer is formed on the third metal layer.
- FIG. 1 is a cross-sectional view of a touch panel of this application
- FIG. 4 is a step diagram of the method for manufacturing a touch panel of the present application.
- 5A ⁇ 5D are process diagrams of the manufacturing method of the touch panel of the present application.
- FIG. 1 is a cross-sectional view of a touch panel of the present application.
- FIG. 2 is a top view of the touch panel of the present application.
- the touch panel 100 includes a touch area 200 and a binding area 300 on one side of the touch area 200.
- the touch area 200 includes a first area 210 and a second area 220.
- the touch area 200 includes:
- the substrate 10, and the raw material of the substrate 10 may be one of a glass substrate, a quartz substrate, a resin substrate, and the like.
- the first electrode layer 20 is located on one side of the substrate 10.
- the first electrode layer 20 includes a first electrode and a second electrode arranged along the first direction.
- the first electrode 201 is parallel to the second electrode 202.
- the first electrode 201 is located in the first area 210 of the touch area 200.
- the first area 210 includes a plurality of the first electrodes 201.
- the second electrode 202 is located in the second area 220 of the touch area 200.
- the second region 220 includes a plurality of second electrodes 202.
- the areas of the first area 210 and the second area 220 are equal.
- the number of the first electrodes 201 is equal to the number of the second electrodes 202.
- the first electrode 201 and the second electrode 202 have the same shape.
- the shapes of the first electrode 201 and the second electrode 202 are one of a long bar, a square, or a diamond.
- the plurality of bulk electrodes are electrically connected by metal wires to form the first electrode 201.
- the second electrode 202 is a plurality of bulk electrodes, the plurality of bulk electrodes are electrically connected by metal wires to form the second electrode 202.
- At least one electrode lead set is also disposed in the touch area 200.
- the electrode lead group includes electrode leads.
- One of the electrode leads corresponds to one of the first electrode 201 or one of the second electrode 202.
- Each of the electrode leads is drawn from the edge of the first electrode 201 or the second electrode 202 and extends to the binding area 300 through the touch area 200.
- the touch panel 100 includes a first electrode lead group 310 and a second electrode lead group 320.
- the first electrode lead group 310 includes a first electrode lead 311 electrically connected to the first electrode 201 in the first region 210, and the first electrode lead 311 starts from the corresponding edge of the first electrode 201 Leading out, the first electrode lead 311 extends through the touch area 200 to the binding area 300.
- the second electrode lead group 320 includes a second electrode lead 321 electrically connected to the second electrode 202 in the second region 220, and the second electrode lead 321 extends from a corresponding edge of the second electrode 202 Leading out, the second electrode lead 321 extends through the touch area 200 to the binding area 300.
- the first electrode lead 311 and the second electrode lead 321 include a first connection section 401 and a second connection section 402.
- One end of the first connection section 401 is connected to the corresponding first electrode 201 through the via 501, and the other end of the first connection section 401 is connected to the second connection section 402.
- the via 501 is formed on the first insulating layer 50 on the first electrode layer 20.
- the via hole 501 is located at a position where the first electrode 201 or the second electrode 202 is close to the frame of the touch panel 100.
- One end of the second connection section 402 is vertically connected to the first connection section 401, and the other end of the second connection section 402 extends to the binding area 300.
- first connecting section 401 is parallel to the first direction
- second connecting section 402 is perpendicular to the first direction
- the first direction is a vertical direction.
- the first connection section 401 is horizontal, and is located directly above or below the first electrode 201 or the second electrode 202.
- the second connection section 402 is in a vertical direction and is perpendicular to the first electrode 201 or the second electrode 202.
- the binding area 300 includes a first binding area 301 and a second binding area 302.
- the first electrode lead 311 extends through the touch area 200 to the first binding area 301.
- the second connection section 402 in the first electrode lead 311 extends to the first binding area 301 through the touch area 200.
- the second electrode lead 321 extends through the touch area 200 to the second binding area 302.
- the second connection section 402 in the second electrode lead 321 extends to the second binding area 302 through the touch area 200.
- the first binding area 301 and the second binding area 302 are arranged symmetrically with the center line of the touch panel 100 as an axis.
- the first binding area 301, the second binding area 302 and the first electrode layer 20 are located on the same side of the substrate 10.
- the first electrode lead group 310 or the second electrode lead group 320 is located between the substrate 10 and the first electrode layer 20.
- the first electrode lead group 310 or the second electrode lead group 320 is located above the first electrode layer 20 away from the substrate 10.
- the first electrode lead group 310 is located between the substrate 10 and the first electrode layer 20, and the second electrode lead group 320 is located away from the first electrode layer 20 Above the substrate 10.
- the second electrode lead group 320 is located between the substrate 10 and the first electrode layer 20, and the first electrode lead group 310 is located away from the first electrode layer 20 Above the substrate 10.
- a first insulating layer 50 is provided between the first electrode lead group 310 and the second electrode lead group 320 and the first electrode layer 20.
- a second insulating layer 60 is further provided on the first electrode lead group 310 and the second electrode lead group 320.
- the materials of the first insulating layer 50 and the second insulating layer 60 may be silicon nitride, silicon oxide, silicon oxynitride, or the like.
- FIG. 3 is a back view of the touch panel 100 of the present application.
- the touch area 200 is also provided with:
- the second electrode layer 70 is located on the side of the substrate 10 away from the first electrode layer 20.
- the second electrode layer 70 includes a plurality of third electrodes 701 arranged in the second direction, and the third electrodes 701 are arranged parallel to each other.
- the shape of the third electrode 701 is one of a long bar, a square, or a diamond.
- the third electrode 701 is a plurality of bulk electrodes, the plurality of bulk electrodes are electrically connected by metal wires to form the third electrode 701.
- the third electrode lead group 330 includes a third electrode lead 331 electrically connected to the third electrode 701.
- a third electrode lead 331 is drawn from a side of the corresponding third electrode 701 close to the binding area 300 and extends to the binding area 300.
- the second direction is a horizontal direction.
- Each of the third electrodes 701 is perpendicular to the second direction.
- the third electrode 701 is perpendicular to the first electrode 201, and the third electrode 701 is perpendicular to the second electrode 202.
- the third electrode lead group 330 is provided in the same layer as the second electrode layer 70.
- the binding area 300 further includes a third binding area 303.
- the third binding area 303 and the second electrode layer 70 are located on the same side of the substrate 10 and in the middle area of the touch panel 100.
- the third electrode lead 331 is connected to the third binding area 303.
- the third electrode lead 331 and the third binding region 303 are at a first angle.
- the first angle between the third electrode lead 331 near the boundary of the touch panel 100 and the third binding area 303 is the smallest, and the third electrode lead 331 located in the middle area of the touch panel 100 The first angle with the third binding area 303 is the largest.
- This connection method reduces the lower frame spacing required by the third lead group 330, which is beneficial to the narrow frame design of the display device.
- the first electrode 201, the second electrode 202, and the third electrode 701 are made of transparent metal.
- the material of the first electrode 201, the second electrode 202, and the third electrode 701 may be indium tin oxide (ITO).
- the first electrode 201, the second electrode 202, and the third electrode 701 may exist in the form of a metal grid. That is, a metal grid is formed by arranging horizontally and vertically staggered metal lines around each pixel unit.
- the first electrode 201 and the second electrode 202 are drive electrodes, and the third electrode 701 is an induction electrode.
- the third electrode 701 is a driving electrode, and the first electrode 201 and the second electrode 202 are sensing electrodes.
- first electrode layer 20 and the second electrode layer 70 may be located on the same side of the substrate 10.
- the touch panel 100 further includes a third insulating layer 80 on the second electrode layer 70.
- the material of the third insulating layer 80 may be the same as the material of the first insulating layer 50 and the second insulating layer 60.
- the black frame width of the touch panel 100 is reduced, and a narrow bezel design is realized Improved user experience.
- the present application also proposes an electronic device including the above-mentioned touch panel 100 and a flexible circuit board connected to the touch panel 100.
- the flexible circuit board includes a first terminal area, a second terminal area, and a third terminal area.
- the first terminal area corresponds to the first binding area 301.
- the second terminal area corresponds to the second binding area 302.
- the third terminal area corresponds to the third binding area 303.
- the first terminal area and the second terminal area are located on one side of the substrate 10 in the touch panel 100, and the third terminal area is located on the lining of the touch panel 100 The other side of bottom 10.
- the electronic device includes but is not limited to mobile phones, tablet computers, computer monitors, game consoles, televisions, display screens, wearable devices, and other household appliances or household appliances with display functions.
- FIG. 4 is a step diagram of a method for manufacturing a touch panel of the present application.
- FIGS. 5A ⁇ 5D are process drawings of the manufacturing method of the touch panel of the present application.
- the manufacturing method includes steps:
- step S10 specifically includes:
- the raw material of the substrate may be one of a glass substrate, a quartz substrate, a resin substrate, and the like.
- the first metal layer is formed into a first electrode layer.
- the first electrode layer 20 is located in the touch area 200 of the touch panel 100.
- the touch area 200 includes a first area 210 and a second area 220.
- the first electrode layer 20 includes a first electrode 201 and a second electrode 202 arranged along the first direction.
- the first electrode 201 is parallel to the second electrode 202.
- the first electrode 201 is located in the first area 210 of the touch area 200.
- the first area 210 includes a plurality of the first electrodes 201.
- the second electrode 202 is located in the second area 220 of the touch area 200.
- the second region 220 includes a plurality of second electrodes 202.
- the areas of the first area 210 and the second area 220 are equal.
- the number of the first electrodes 201 is equal to the number of the second electrodes 202.
- the first electrode 201 and the second electrode 202 have the same shape.
- the shapes of the first electrode 201 and the second electrode 202 are one of a long bar, a square, or a diamond.
- the plurality of bulk electrodes are electrically connected by metal wires to form the first electrode 201.
- the second electrode 202 is a plurality of bulk electrodes, the plurality of bulk electrodes are electrically connected by metal wires to form the second electrode 202.
- the first metal layer may be made of transparent metal.
- the first electrode 201 may exist in the form of a metal grid, forming the same pattern as the touch electrode. That is, a metal grid is formed by arranging horizontally and vertically staggered metal lines around each pixel unit.
- the material of the first metal layer may be indium tin oxide (ITO).
- the material of the first insulating layer 50 may be one or more than one of silicon nitride, silicon oxide, silicon oxynitride, or the like.
- the method further includes:
- a via 501 is formed in the first insulating layer 50 to expose part of the first electrode 201 or the second electrode 202.
- the via hole 501 corresponds to the first electrode 201 or the second electrode 202 in the first electrode layer 20.
- first electrode lead group and the second electrode lead group are electrically connected to the first electrode layer through the via hole;
- the first electrode lead group 310 includes a first electrode lead 311 electrically connected to the first electrode 201 in the first region 210, the first The electrode lead 311 is drawn from the edge of the corresponding first electrode 201, and the first electrode lead 311 extends to the binding area 300 through the touch area 200.
- the second electrode lead group 320 includes a second electrode lead 321 electrically connected to the second electrode 202 in the second region 220, and the second electrode lead 321 extends from a corresponding edge of the second electrode 202 Leading out, the second electrode lead 321 extends through the touch area 200 to the binding area 300.
- the first electrode lead 311 and the second electrode lead 321 include a first connection section 401 and a second connection section 402. One end of the first connection section 401 is connected to the corresponding first electrode 201 through the via 501, and the other end of the first connection section 401 is connected to the second connection section 402. One end of the second connection section 402 is vertically connected to the first connection section 401, and the other end of the second connection section 402 extends to the binding area 300.
- the via 501 is formed on the first insulating layer 50 on the first electrode layer 20.
- the via hole 501 is located at a position where the first electrode 201 or the second electrode 202 is close to the frame of the touch panel 100.
- first connecting section 401 is parallel to the first direction
- second connecting section 402 is perpendicular to the first direction
- the first direction is a vertical direction.
- the first connection section 401 is horizontal, and is located directly above or below the first electrode 201 or the second electrode 202.
- the second connection section 402 is in a vertical direction and is perpendicular to the first electrode 201 or the second electrode 202.
- the binding area 300 includes a first binding area 301 and a second binding area 302.
- the first electrode lead 311 extends through the touch area 200 to the first binding area 301.
- the second connection section 402 in the first electrode lead 311 extends to the first binding area 301 through the touch area 200.
- the second electrode lead 321 extends through the touch area 200 to the second binding area 302.
- the second connection section 402 in the second electrode lead 321 extends to the second binding area 302 through the touch area 200.
- the first binding area 301 and the second binding area 302 are arranged symmetrically with the center line of the touch panel 100 as an axis.
- the first binding area 301, the second binding area 302 and the first electrode layer 20 are located on the same side of the substrate 10.
- the positions of the first electrode lead group 310 and the second electrode lead group 320 may be located between the substrate 10 and the first electrode layer 20, or located in the first The electrode layer 20 is far above the substrate 10.
- the position can be set in any combination in the above areas.
- the positions of the first electrode lead group 310 and the second electrode lead group 320 are located above the first electrode layer 20 away from the substrate 10.
- a second insulating layer 60 is formed on the first electrode layer 20 so that the second insulating layer 60 covers the second electrode layer 70.
- the material of the second insulating layer 60 may be one or a combination of silicon nitride, silicon oxide, silicon oxynitride, or the like.
- the metal material of the second metal layer may be the same as the material of the first metal layer.
- step S40 includes:
- the third metal layer is formed into a second electrode layer and a third electrode lead group electrically connected to the second electrode layer.
- the second electrode layer 70 includes a plurality of third electrodes 701 arranged in the second direction, and the third electrodes 701 are arranged parallel to each other.
- the shape of the third electrode 701 may be one of a long bar, a square, or a diamond.
- the third electrode 701 is a plurality of bulk electrodes, the plurality of bulk electrodes are electrically connected by metal wires to form the third electrode 701.
- the third electrode 701 may exist in the form of a metal grid, forming the same pattern as the touch electrode. That is, a metal grid is formed by arranging horizontally and vertically staggered metal lines around each pixel unit.
- the third electrode lead group 330 includes a third electrode lead 331 electrically connected to the third electrode 701.
- a third electrode lead 331 is drawn from a side of the corresponding third electrode 701 close to the binding area 300 and extends to the binding area 300.
- the second direction is a horizontal direction.
- Each of the third electrodes 701 is perpendicular to the second direction.
- the third electrode 701 is perpendicular to the first electrode 201, and the third electrode 701 is perpendicular to the second electrode 202.
- the binding area 300 further includes a third binding area 303.
- the third binding area 303 and the second electrode layer 70 are located on the same side of the substrate 10 and in the middle area of the touch panel 100.
- the third electrode lead 331 is connected to the third binding area 303.
- the third electrode lead 331 and the third binding region 303 are at a first angle.
- the first angle between the third electrode lead 331 near the boundary of the touch panel 100 and the third binding area 303 is the smallest, and the third electrode lead 331 located in the middle area of the touch panel 100 The first angle with the third binding area 303 is the largest.
- This connection method reduces the lower frame spacing required by the third lead group 330, which is beneficial to the narrow frame design of the display device.
- the metal material of the third metal layer may be the same as the material of the first metal layer and the second metal layer.
- a third insulating layer 80 is formed on the second electrode layer 70.
- the material of the third insulating layer 80 may be one or more of silicon nitride, silicon oxide, silicon oxynitride, or the like.
- the present application proposes a touch panel, a manufacturing method thereof, and an electronic device.
- the touch panel includes a touch area and a binding area.
- the touch area is provided with: a substrate; a first electrode layer including a first electrode And a second electrode; at least one electrode lead set, including an electrode lead, one of the electrode leads corresponding to one of the first electrode or one of the second electrodes; each of the electrode leads from the first electrode or The edge of the second electrode leads out and extends to the binding area through the touch area.
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Abstract
本申请提出了一种触控面板及其制作方法、电子装置,所述触控面板包括触控区和绑定区,触控区内设置有:衬底;第一电极层,包括第一电极和第二电极;至少一电极引线组,包括电极引线,一所述电极引线与一所述第一电极或一所述第二电极对应;每一所述电极引线从所述第一电极或所述第二电极边缘引出。
Description
本申请涉及显示领域,特别涉及一种触控面板及其制作方法、电子装置。
目前比较常用的触控技术包括外挂式触控技术和内嵌式触控技术。外挂式触控技术是将触摸传感器嵌入显示面板上,即在液晶面板上配触摸传感器,相比内嵌式触控技术难度降低不少。
现有触摸传感器包括设置在触控区的触控电极以及位于触控电极外围的触控走线。触控走线需要在显示屏两侧设置黑色边框,以遮蔽该触控走线,增加了显示屏黑框宽度,无法满足用户对窄边框的需求。
本申请提供一种触控面板及其制作方法、电子装置,以解决现有显示屏两侧黑框间距较大的技术问题。
本申请提供一种触控面板,其中,所述触控面板包括触控区和位于所述触控区一侧的绑定区,所述触控区内设置有:
衬底;
第一电极层,位于所述衬底的一侧,所述第一电极层包括沿第一方向排列的第一电极和第二电极;
至少一电极引线组,包括电极引线,一所述电极引线与一所述第一电极或一所述第二电极对应;
每一所述电极引线从所述第一电极或所述第二电极边缘引出,经所述触控区延伸至所述绑定区。
在本申请的触控面板中,所述触控区包括第一区和第二区;
所述第一区内设置有所述第一电极;
所述第二区内设置有所述第二电极。
在本申请的触控面板中,所述触控面板包括第一电极引线组和第二电极引线组;
所述第一电极引线组包括与所述第一区内的所述第一电极电连接的第一电极引线,所述第一电极引线从对应的所述第一电极边缘引出,所述第一电极引线经所述触控区延伸至所述绑定区;
所述第二电极引线组包括与所述第二区内的所述第二电极电连接的第二电极引线,所述第二电极引线从对应的所述第二电极边缘引出,所述第二电极引线经所述触控区延伸至所述绑定区。
在本申请的触控面板中,所述第一电极引线与所述第二电极引线包括第一连接段和第二连接段;
所述第一连接段的一端通过过孔与对应的所述第一电极连接,所述第一连接段的另一端与所述第二连接段连接;
所述第二连接段的一端与所述第一连接段垂直连接,所述第二连接段另一端延伸至所述绑定区;
所述第一连接段与所述第一方向平行,所述第二连接段与所述第一方向垂直。
在本申请的触控面板中,所述绑定区包括第一绑定区和第二绑定区;
所述第一电极引线经所述触控区延伸至所述第一绑定区;
所述第二电极引线经所述触控区延伸至所述第二绑定区;
所述第一绑定区与所述第二绑定区与所述第一电极层位于所述衬底的同一侧。
在本申请的触控面板中,所述电极引线组位于所述衬底与所述第一电极层之间;或者,
所述电极引线组位于所述第一电极层远离所述衬底的上方。
在本申请的触控面板中,所述电极引线组与所述第一电极层之间设置有第一绝缘层。
在本申请的触控面板中,所述触控区内还设置有:
第二电极层,位于所述衬底远离所述第一电极层的一侧,所述第二电极层包括沿第二方向排列的第三电极;
第三电极引线组,包括与所述第三电极电连接的第三电极引线,一所述第三电极引线从对应的所述第三电极靠近所述绑定区的一侧引出并延伸至所述绑定区。
在本申请的触控面板中,所述绑定区还包括第三绑定区;
所述第三绑定区与所述第二电极层位于所述衬底的同一侧;
所述第三电极引线与所述第三绑定区连接。
在本申请的触控面板中,所述第三电极引线与所述第三绑定区呈第一角度;
靠近所述触控面板边界的所述第三电极引线与所述第三绑定区的所述第一角度最小,位于所述触控面板中间区域的所述第三电极引线与所述第三绑定区的所述第一角度最大。
在本申请的触控面板中,所述第三电极与所述第一电极垂直设置,所述第三电极与所述第二电极垂直设置。
在本申请的触控面板中,所述第三电极引线组与所述第二电极层同层设置。
本申请还提出了一种电子装置,其中,所述电子装置包括触控面板及与所述触控面板连接的柔性电路板,所述触控面板包括触控区和位于所述触控区一侧的绑定区,所述触控区内设置有:
衬底;
第一电极层,位于所述衬底的一侧,所述第一电极层包括沿第一方向排列的第一电极和第二电极;
至少一电极引线组,包括电极引线,一所述电极引线与一所述第一电极或一所述第二电极对应;
每一所述电极引线从所述第一电极或所述第二电极边缘引出,经所述触控区延伸至所述绑定区。
在本申请的电子装置中,所述触控区包括第一区和第二区;
所述第一区内设置有所述第一电极;
所述第二区内设置有所述第二电极;
所述触控面板包括第一电极引线组和第二电极引线组;
所述第一电极引线组包括与所述第一区内的所述第一电极电连接的第一电极引线,所述第一电极引线从对应的所述第一电极边缘引出,所述第一电极引线经所述触控区延伸至所述绑定区;
所述第二电极引线组包括与所述第二区内的所述第二电极电连接的第二电极引线,所述第二电极引线从对应的所述第二电极边缘引出,所述第二电极引线经所述触控区延伸至所述绑定区。
在本申请的电子装置中,所述第一电极引线与所述第二电极引线包括第一连接段和第二连接段;
所述第一连接段的一端通过过孔与对应的所述第一电极连接,所述第一连接段的另一端与所述第二连接段连接;
所述第二连接段的一端与所述第一连接段垂直连接,所述第二连接段另一端延伸至所述绑定区;
所述第一连接段与所述第一方向平行,所述第二连接段与所述第一方向垂直。
在本申请的电子装置中,所述绑定区包括第一绑定区和第二绑定区;
所述第一电极引线经所述触控区延伸至所述第一绑定区;
所述第二电极引线经所述触控区延伸至所述第二绑定区;
所述第一绑定区、所述第二绑定区与所述第一电极层位于所述衬底的同一侧。
在本申请的电子装置中,所述触控区内还设置有:
第二电极层,位于所述衬底远离所述第一电极层的一侧,所述第二电极层包括沿第二方向排列的第三电极;
第三电极引线组,包括与所述第三电极电连接的第三电极引线,一所述第三电极引线从对应的所述第三电极靠近所述绑定区的一侧引出并延伸至所述绑定区;
所述绑定区还包括第三绑定区;
所述第三绑定区与所述第二电极层位于所述衬底的同一侧;
所述第三电极引线与所述第三绑定区连接。
在本申请的电子装置中,所述柔性电路板包括:
与第一绑定区对应的第一端子区,与第二绑定区对应的第二端子区,与第三绑定区对应的第三端子区;
所述第一端子区与所述第二端子区位于所述触控面板的一侧,所述第三端子区位于所述触控面板的另一侧。
本申请还提出了一种触控面板的制作方法,其包括步骤:
S10、提供一衬底,在所述衬底上形成第一金属层,经第一光罩工艺,使所述第一金属层形成第一电极层;
S20、在所述第一电极层上形成第一绝缘层,经第二光罩工艺,使所述第一绝缘层上形成与所述第一电极层对应的过孔;
S30、在所述第一绝缘层上形成第二金属层,经第三光罩工艺,使所述第二金属层形成第一电极引线组和第二电极引线组,
其中,所述第一电极引线组和所述第二电极引线组通过所述过孔与所述第一电极层电连接的;
S40、在所述衬底远离所述第一电极层的一侧形成第三金属层,经第四光罩工艺,使所述第三金属层形成第二电极层及与所述第二电极层电连接的第三电极引线组。
在本申请的制作方法中,在步骤S40之前还包括:
在所述第二金属层上形成第二绝缘层;
在步骤S40之后还包括:
在所述第三金属层上形成第三绝缘层。
本申请通过将触控面板上的触控走线设置在触控区,减小了触控面板的黑框宽度,实现了窄边框设计,提升了用户体验。
为了更清楚地说明实施例或现有技术中的技术方案,下面将对实施例或现有技术描述中所需要使用的附图作简单介绍,显而易见地,下面描述中的附图仅仅是发明的一些实施例,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为本申请触控面板的剖面图;
图2为本申请触控面板的俯视图;
图3为本申请触控面板的背视图;
图4为本申请触控面板制作方法的步骤图;
图5A~5D为本申请触控面板制作方法的工艺图。
以下各实施例的说明是参考附加的图示,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,结构相似的单元是用以相同标号表示。
请参阅图1,图1为本申请触控面板的剖面图。
请参阅图2,图2为本申请触控面板的俯视图。
所述触控面板100包括触控区200和位于所述触控区200一侧的绑定区300。
所述触控区200包括第一区210和第二区220,所述触控区200内设置有:
衬底10,所述衬底10的原材料可以为玻璃基板、石英基板、树脂基板等中的一种。
第一电极层20,位于所述衬底10的一侧。
所述第一电极层20包括沿第一方向排列的第一电极和第二电极。所述第一电极201与所述第二电极202平行。
在一种实施例中,所述第一电极201位于所述触控区200的第一区210。所述第一区210内包括多个所述第一电极201。
在一种实施例中,所述第二电极202位于所述触控区200的第二区220。所述第二区220内包括多个所述第二电极202。
在一种实施例中,所述第一区210与所述第二区220的面积相等。所述第一电极201的数量与所述第二电极202的数量相等。
在一种实施例中,所述第一电极201与所述第二电极202的形状相同。
在一种实施例中,所述第一电极201和所述第二电极202的形状为长条形、正方形或者菱形中的一种。
当所述第一电极201为多个块状的电极时,多个块状电极通过金属线电连接形成所述第一电极201。当所述第二电极202为多个块状的电极时,多个块状电极通过金属线电连接形成所述第二电极202。
所述触控区200内还设置有至少一电极引线组。
所述电极引线组包括电极引线。一所述电极引线与一所述第一电极201或一所述第二电极202对应。每一所述电极引线从所述第一电极201或所述第二电极202边缘引出,经所述触控区200延伸至所述绑定区300。
所述触控面板100包括第一电极引线组310和第二电极引线组320。
所述第一电极引线组310包括与所述第一区210内的所述第一电极201电连接的第一电极引线311,所述第一电极引线311从对应的所述第一电极201边缘引出,所述第一电极引线311经所述触控区200延伸至所述绑定区300。
所述第二电极引线组320包括与所述第二区220内的所述第二电极202电连接的第二电极引线321,所述第二电极引线321从对应的所述第二电极202边缘引出,所述第二电极引线321经所述触控区200延伸至所述绑定区300。
所述第一电极引线311及所述第二电极引线321包括第一连接段401和第二连接段402。
所述第一连接段401的一端通过过孔501与对应的所述第一电极201连接,所述第一连接段401的另一端与所述第二连接段402连接。
在一种实施例中,所述过孔501形成于所述第一电极层20上的第一绝缘层50上。所述过孔501位于所述第一电极201或所述第二电极202靠近所述触控面板100边框的位置。
所述第二连接段402的一端与所述第一连接段401垂直连接,所述第二连接段402另一端延伸至所述绑定区300。
在一种实施例中,所述第一连接段401与所述第一方向平行,所述第二连接段402与所述第一方向垂直。
在一种实施例中,所述第一方向为竖直方向。
在一种实施例中,所述第一连接段401为水平方向,位于所述第一电极201或所述第二电极202的正上方或正下方。
在一种实施例中,所述第二连接段402为竖直方向,与所述第一电极201或所述第二电极202垂直。
所述绑定区300包括第一绑定区301和第二绑定区302。
所述第一电极引线311经所述触控区200延伸至所述第一绑定区301。所述第一电极引线311中的第二连接段402经所述触控区200延伸至所述第一绑定区301。
所述第二电极引线321经所述触控区200延伸至所述第二绑定区302。所述第二电极引线321中的第二连接段402经所述触控区200延伸至所述第二绑定区302。
在一种实施例中,所述第一绑定区301与所述第二绑定区302以所述触控面板100的中心线为轴呈对称设置。
在一种实施例中,所述第一绑定区301、所述第二绑定区302与所述第一电极层20位于所述衬底10的同一侧。
在一种实施例中,所述第一电极引线组310或所述第二电极引线组320位于所述衬底10与所述第一电极层20之间。
在一种实施例中,所述第一电极引线组310或所述第二电极引线组320位于所述第一电极层20远离所述衬底10的上方。
在一种实施例中,所述第一电极引线组310位于所述衬底10与所述第一电极层20之间,所述第二电极引线组320位于所述第一电极层20远离所述衬底10的上方。
在一种实施例中,所述第二电极引线组320位于所述衬底10与所述第一电极层20之间,所述第一电极引线组310位于所述第一电极层20远离所述衬底10的上方。
在一种实施例中,所述第一电极引线组310及所述第二电极引线组320与所述第一电极层20之间设置有第一绝缘层50。
在一种实施例中,所述第一电极引线组310及所述第二电极引线组320上还设置有第二绝缘层60。
在一种实施例中,所述第一绝缘层50及所述第二绝缘层60的材料可以为氮化硅、氧化硅或氮氧化硅等。
请参阅图3,图3为本申请触控面板100的背视图。
所述触控区200内还设置有:
第二电极层70,位于所述衬底10远离第一电极层20的一侧。
所述第二电极层70包括沿第二方向排列的多个第三电极701,所述第三电极701之间彼此平行设置。
在一种实施例中,所述第三电极701的形状为长条形、正方形或者菱形中的一种。当所述第三电极701为多个块状的电极时,多个块状电极通过金属线电连接形成所述第三电极701。
第三电极引线组330,包括与所述第三电极701电连接的第三电极引线331。一所述第三电极引线331从对应的所述第三电极701靠近所述绑定区300的一侧引出并延伸至所述绑定区300。
在一种实施例中,所述第二方向为水平方向。每一所述第三电极701与所述第二方向垂直。
在一种实施例中,所述第三电极701与所述第一电极201垂直设置,所述第三电极701与所述第二电极202垂直设置。
在一种实施例中,所述第三电极引线组330与所述第二电极层70同层设置。
所述绑定区300还包括第三绑定区303。
所述第三绑定区303与所述第二电极层70位于所述衬底10的同一侧,且位于所述触控面板100的中间区域。所述第三电极引线331与所述第三绑定区303连接。
所述第三电极引线331与所述第三绑定区303呈第一角度。
靠近所述触控面板100边界的所述第三电极引线331与所述第三绑定区303的所述第一角度最小,位于所述触控面板100中间区域的所述第三电极引线331与所述第三绑定区303的所述第一角度最大。此种连接方式减小了所述第三引线组330所需的下边框间距,有利于显示装置的窄边框设计。在一种实施例中,所述第一电极201、所述第二电极202及所述第三电极701由透明金属制备。
在一种实施例中,所述第一电极201、所述第二电极202及所述第三电极701的材料可以为氧化铟锡(ITO)。
在一种实施例中,所述第一电极201、所述第二电极202及所述第三电极701可以金属网格的形式存在。即通过在每一像素单元周围布置横纵交错的金属线以形成金属网格。
在一种实施例中,所述第一电极201及所述第二电极202为驱动电极,所述第三电极701为感应电极。
在一种实施例中,所述第三电极701为驱动电极,所述第一电极201及所述第二电极202为感应电极。
在一种实施例中,所述第一电极层20与所述第二电极层70可以位于所述衬底10的同一侧。
所述触控面板100还包括位于所述第二电极层70上的第三绝缘层80。所述第三绝缘层80的材料与所述第一绝缘层50及所述第二绝缘层60的材料可以相同。
本申请通过将触控面板100上的触控走线设置在触控区200内,无需占用显示装置的外围非显示区域,减小了触控面板100的黑框宽度,实现了窄边框设计,提升了用户体验。
本申请还提出了一种电子装置,所述电子装置包括上述触控面板100及与所述触控面板100连接的柔性电路板。
在本申请的电子装置中,所述柔性电路板包括第一端子区、第二端子区及第三端子区。
在一种实施例中,所述第一端子区与所述第一绑定区301对应。所述第二端子区与所述第二绑定区302对应。所述第三端子区与所述第三绑定区303对应。
在一种实施例中,所述第一端子区与所述第二端子区位于所述触控面板100中衬底10的一侧,所述第三端子区位于所述触控面板100中衬底10的另一侧。
所述电子装置包括但不限定于手机、平板电脑、计算机显示器、游戏机、电视机、显示屏幕、可穿戴设备及其他具有显示功能的生活电器或家用电器等。
请参阅图4,图4为本申请触控面板制作方法的步骤图。
请参阅图5A~5D,图5A~5D为本申请触控面板制作方法的工艺图。
所述制作方法包括步骤:
S10、提供一衬底,在所述衬底上形成第一金属层,经第一光罩工艺,使所述第一金属层形成第一电极层;
请参阅图5A,步骤S10具体包括:
S101、提供一衬底;
在本步骤中,所述衬底的原材料可以为玻璃基板、石英基板、树脂基板等中的一种。
S102、在所述衬底上形成第一金属层;
S103、经第一光罩工艺,使所述第一金属层形成第一电极层。
请参阅图2,所述第一电极层20位于所述触控面板100的触控区200。所述触控区200包括第一区210和第二区220。
所述第一电极层20包括沿第一方向排列的第一电极201和第二电极202。所述第一电极201与所述第二电极202平行。
在一种实施例中,所述第一电极201位于所述触控区200的第一区210。所述第一区210内包括多个所述第一电极201。
在一种实施例中,所述第二电极202位于所述触控区200的第二区220。所述第二区220内包括多个所述第二电极202。
在一种实施例中,所述第一区210与所述第二区220的面积相等。所述第一电极201的数量与所述第二电极202的数量相等。
在一种实施例中,所述第一电极201与所述第二电极202的形状相同。
在一种实施例中,所述第一电极201和所述第二电极202的形状为长条形、正方形或者菱形中的一种。
当所述第一电极201为多个块状的电极时,多个块状电极通过金属线电连接形成所述第一电极201。当所述第二电极202为多个块状的电极时,多个块状电极通过金属线电连接形成所述第二电极202。
在一种实施例中,所述第一金属层可以由透明金属制备。
在一种实施例中,所述第一电极201可以以金属网格的形式存在,形成与触控电极相同的图案。即通过在每一像素单元周围布置横纵交错的金属线以形成金属网格。
在一种实施例中,所述第一金属层的材料可以为氧化铟锡(ITO)。
S20、在所述第一电极层形成第一绝缘层,经第二光罩工艺,使所述第一绝缘层上形成与所述第一电极层对应的过孔;
所述第一绝缘层50的材料可以为氮化硅、氧化硅或氮氧化硅等中的一种或一种以上的组合物。
请参阅图5B,形成所述第一绝缘层50后,还包括:
使用所述第二光罩工艺,在所述第一绝缘层50上形成过孔501,使部分所述第一电极201或所述第二电极202裸露。所述过孔501与所述第一电极层20中的所述第一电极201或所述第二电极202一一对应。
S30、在所述第一绝缘层上形成第二金属层,经第三光罩工艺,使所述第二金属层形成第一电极引线组和第二电极引线组,
其中,所述第一电极引线组和所述第二电极引线组通过所述过孔与所述第一电极层电连接的;
在本步骤中,请参阅图2和图5C,所述第一电极引线组310包括与所述第一区210内的所述第一电极201电连接的第一电极引线311,所述第一电极引线311从对应的所述第一电极201边缘引出,所述第一电极引线311经所述触控区200延伸至所述绑定区300。
所述第二电极引线组320包括与所述第二区220内的所述第二电极202电连接的第二电极引线321,所述第二电极引线321从对应的所述第二电极202边缘引出,所述第二电极引线321经所述触控区200延伸至所述绑定区300。
所述第一电极引线311及所述第二电极引线321包括第一连接段401和第二连接段402。所述第一连接段401的一端通过过孔501与对应的所述第一电极201连接,所述第一连接段401的另一端与所述第二连接段402连接。所述第二连接段402的一端与所述第一连接段401垂直连接,所述第二连接段402另一端延伸至所述绑定区300。
在一种实施例中,所述过孔501形成于所述第一电极层20上的第一绝缘层50上。所述过孔501位于所述第一电极201或所述第二电极202靠近所述触控面板100边框的位置。
在一种实施例中,所述第一连接段401与所述第一方向平行,所述第二连接段402与所述第一方向垂直。
在一种实施例中,所述第一方向为竖直方向。
在一种实施例中,所述第一连接段401为水平方向,位于所述第一电极201或所述第二电极202的正上方或正下方。
在一种实施例中,所述第二连接段402为竖直方向,与所述第一电极201或所述第二电极202垂直。
在一种实施例中,所述绑定区300包括第一绑定区301和第二绑定区302。
所述第一电极引线311经所述触控区200延伸至所述第一绑定区301。所述第一电极引线311中的第二连接段402经所述触控区200延伸至所述第一绑定区301。
所述第二电极引线321经所述触控区200延伸至所述第二绑定区302。所述第二电极引线321中的第二连接段402经所述触控区200延伸至所述第二绑定区302。
在一种实施例中,所述第一绑定区301与所述第二绑定区302以所述触控面板100的中心线为轴呈对称设置。
在一种实施例中,所述第一绑定区301、所述第二绑定区302与所述第一电极层20位于所述衬底10的同一侧。
在一种实施例中,所述第一电极引线组310及所述第二电极引线组320的位置可以位于所述衬底10与所述第一电极层20之间、或位于所述第一电极层20远离所述衬底10的上方。位置可以在上述区域进行任意组合设置。
本实施例中的所述第一电极引线组310及所述第二电极引线组320的位置位于所述第一电极层20远离所述衬底10的上方。
请参阅图5C,完成电极引线组的步骤后,还包括:
在所述第一电极层20上形成第二绝缘层60,使所述第二绝缘层60覆盖所述第二电极层70。
所述第二绝缘层60的材料可以为氮化硅、氧化硅或氮氧化硅等中的一种或一种以上的组合物。
在一种实施例中,所述第二金属层的金属材料可以与所述第一金属层的材料相同。
S40、在所述衬底远离所述第一电极层的一侧形成第三金属层,经第四光罩工艺,使所述第三金属层形成第二电极层及与所述第二电极层电连接的第三电极引线组。
请参阅图3和图5D,步骤S40包括:
S401、在衬底远离所述第一电极层的一侧形成第三金属层;
S402、经第四光罩工艺,使所述第三金属层形成第二电极层及与所述第二电极层电连接的第三电极引线组。
在本步骤中,所述第二电极层70包括沿第二方向排列的多个第三电极701,所述第三电极701之间彼此平行设置。
在一种实施例中,所述第三电极701的形状可以为长条形、正方形或者菱形中的一种。当所述第三电极701为多个块状的电极时,多个块状电极通过金属线电连接形成所述第三电极701。
在一种实施例中,所述第三电极701可以以金属网格的形式存在,形成与触控电极相同的图案。即通过在每一像素单元周围布置横纵交错的金属线以形成金属网格。
所述第三电极引线组330包括与所述第三电极701电连接的第三电极引线331。一所述第三电极引线331从对应的所述第三电极701靠近所述绑定区300的一侧引出并延伸至所述绑定区300。
在一种实施例中,所述第二方向为水平方向。每一所述第三电极701与所述第二方向垂直。
在一种实施例中,所述第三电极701与所述第一电极201垂直设置,所述第三电极701与所述第二电极202垂直设置。
所述绑定区300还包括第三绑定区303。
所述第三绑定区303与所述第二电极层70位于所述衬底10的同一侧,且位于所述触控面板100的中间区域。所述第三电极引线331与所述第三绑定区303连接。
所述第三电极引线331与所述第三绑定区303呈第一角度。
靠近所述触控面板100边界的所述第三电极引线331与所述第三绑定区303的所述第一角度最小,位于所述触控面板100中间区域的所述第三电极引线331与所述第三绑定区303的所述第一角度最大。此种连接方式减小了所述第三引线组330所需的下边框间距,有利于显示装置的窄边框设计。
在一种实施例中,所述第三金属层的金属材料可以与所述第一金属层及所述第二金属层的材料相同。
请参阅图5D,形成第二电极层70后,还包括步骤:
在所述第二电极层70上形成第三绝缘层80。
所述第三绝缘层80的材料可以为氮化硅、氧化硅或氮氧化硅等中的一种或一种以上的组合物。
本申请提出了一种触控面板及其制作方法、电子装置,所述触控面板包括触控区和绑定区,触控区内设置有:衬底;第一电极层,包括第一电极和第二电极;至少一电极引线组,包括电极引线,一所述电极引线与一所述第一电极或一所述第二电极对应;每一所述电极引线从所述第一电极或所述第二电极边缘引出,经所述触控区延伸至所述绑定区。本申请通过将触控面板上的触控走线设置在触控区,减小了触控面板的黑框宽度,实现了窄边框设计,提升了用户体验。
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 (20)
- 一种触控面板,其中,包括触控区和位于所述触控区一侧的绑定区,所述触控区内设置有:衬底;第一电极层,位于所述衬底的一侧,所述第一电极层包括沿第一方向排列的第一电极和第二电极;至少一电极引线组,包括电极引线,一所述电极引线与一所述第一电极或一所述第二电极对应;每一所述电极引线从所述第一电极或所述第二电极边缘引出,经所述触控区延伸至所述绑定区。
- 根据权利要求1所述的触控面板,其中,所述触控区包括第一区和第二区;所述第一区内设置有所述第一电极;所述第二区内设置有所述第二电极。
- 根据权利要求2所述的触控面板,其中,所述触控面板包括第一电极引线组和第二电极引线组;所述第一电极引线组包括与所述第一区内的所述第一电极电连接的第一电极引线,所述第一电极引线从对应的所述第一电极边缘引出,所述第一电极引线经所述触控区延伸至所述绑定区;所述第二电极引线组包括与所述第二区内的所述第二电极电连接的第二电极引线,所述第二电极引线从对应的所述第二电极边缘引出,所述第二电极引线经所述触控区延伸至所述绑定区。
- 根据权利要求3所述的触控面板,其中,所述第一电极引线与所述第二电极引线包括第一连接段和第二连接段;所述第一连接段的一端通过过孔与对应的所述第一电极连接,所述第一连接段的另一端与所述第二连接段连接;所述第二连接段的一端与所述第一连接段垂直连接,所述第二连接段另一端延伸至所述绑定区;所述第一连接段与所述第一方向平行,所述第二连接段与所述第一方向垂直。
- 根据权利要求3所述的触控面板,其中,所述绑定区包括第一绑定区和第二绑定区;所述第一电极引线经所述触控区延伸至所述第一绑定区;所述第二电极引线经所述触控区延伸至所述第二绑定区;所述第一绑定区、所述第二绑定区与所述第一电极层位于所述衬底的同一侧。
- 根据权利要求1所述的触控面板,其中,所述电极引线组位于所述衬底与所述第一电极层之间;或者,所述电极引线组位于所述第一电极层远离所述衬底的上方。
- 根据权利要求6所述的触控面板,其中,所述电极引线组与所述第一电极层之间设置有第一绝缘层。
- 根据权利要求1所述的触控面板,其中,所述触控区内还设置有:第二电极层,位于所述衬底远离所述第一电极层的一侧,所述第二电极层包括沿第二方向排列的第三电极;第三电极引线组,包括与所述第三电极电连接的第三电极引线,一所述第三电极引线从对应的所述第三电极靠近所述绑定区的一侧引出并延伸至所述绑定区。
- 根据权利要求8所述的触控面板,其中,所述绑定区还包括第三绑定区;所述第三绑定区与所述第二电极层位于所述衬底的同一侧;所述第三电极引线与所述第三绑定区连接。
- 根据权利要求9所述的触控面板,其中,所述第三电极引线与所述第三绑定区呈第一角度;靠近所述触控面板边界的所述第三电极引线与所述第三绑定区的所述第一角度最小,位于所述触控面板中间区域的所述第三电极引线与所述第三绑定区的所述第一角度最大。
- 根据权利要求8所述的触控面板,其中,所述第三电极与所述第一电极垂直设置;所述第三电极与所述第二电极垂直设置。
- 根据权利要求8所述的触控面板,其中,所述第三电极引线组与所述第二电极层同层设置。
- 一种电子装置,其中,所述电子装置包括触控面板及与所述触控面板连接的柔性电路板,所述触控面板包括触控区和位于所述触控区一侧的绑定区,所述触控区内设置有:衬底;第一电极层,位于所述衬底的一侧,所述第一电极层包括沿第一方向排列的第一电极和第二电极;至少一电极引线组,包括电极引线,一所述电极引线与一所述第一电极或一所述第二电极对应;每一所述电极引线从所述第一电极或所述第二电极边缘引出,经所述触控区延伸至所述绑定区。
- 根据权利要求13所述的电子装置,其中,所述触控区包括第一区和第二区;所述第一区内设置有所述第一电极;所述第二区内设置有所述第二电极;所述触控面板包括第一电极引线组和第二电极引线组;所述第一电极引线组包括与所述第一区内的所述第一电极电连接的第一电极引线,所述第一电极引线从对应的所述第一电极边缘引出,所述第一电极引线经所述触控区延伸至所述绑定区;所述第二电极引线组包括与所述第二区内的所述第二电极电连接的第二电极引线,所述第二电极引线从对应的所述第二电极边缘引出,所述第二电极引线经所述触控区延伸至所述绑定区。
- 根据权利要求14所述的电子装置,其中,所述第一电极引线与所述第二电极引线包括第一连接段和第二连接段;所述第一连接段的一端通过过孔与对应的所述第一电极连接,所述第一连接段的另一端与所述第二连接段连接;所述第二连接段的一端与所述第一连接段垂直连接,所述第二连接段另一端延伸至所述绑定区;所述第一连接段与所述第一方向平行,所述第二连接段与所述第一方向垂直。
- 根据权利要求14所述的电子装置,其中,所述绑定区包括第一绑定区和第二绑定区;所述第一电极引线经所述触控区延伸至所述第一绑定区;所述第二电极引线经所述触控区延伸至所述第二绑定区;所述第一绑定区、所述第二绑定区与所述第一电极层位于所述衬底的同一侧。
- 根据权利要求13所述的电子装置,其中,所述触控区内还设置有:第二电极层,位于所述衬底远离所述第一电极层的一侧,所述第二电极层包括沿第二方向排列的第三电极;第三电极引线组,包括与所述第三电极电连接的第三电极引线,一所述第三电极引线从对应的所述第三电极靠近所述绑定区的一侧引出并延伸至所述绑定区;所述绑定区还包括第三绑定区;所述第三绑定区与所述第二电极层位于所述衬底的同一侧;所述第三电极引线与所述第三绑定区连接。
- 根据权利要求13所述的电子装置,其中,所述柔性电路板包括:与第一绑定区对应的第一端子区;与第二绑定区对应的第二端子区;与第三绑定区对应的第三端子区;所述第一端子区与所述第二端子区位于所述触控面板中衬底的一侧,所述第三端子区位于所述触控面板中所述衬底的另一侧。
- 一种触控面板的制作方法,其中,包括步骤:S10、提供一衬底,在所述衬底上形成第一金属层,经第一光罩工艺,使所述第一金属层形成第一电极层;S20、在所述第一电极层上形成第一绝缘层,经第二光罩工艺,使所述第一绝缘层上形成与所述第一电极层对应的过孔;S30、在所述第一绝缘层上形成第二金属层,经第三光罩工艺,使所述第二金属层形成第一电极引线组和第二电极引线组,其中,所述第一电极引线组和所述第二电极引线组通过所述过孔与所述第一电极层电连接的;S40、在所述衬底远离所述第一电极层的一侧形成第三金属层,经第四光罩工艺,使所述第三金属层形成第二电极层及与所述第二电极层电连接的第三电极引线组。
- 根据权利要求19所述的制作方法,其中,在步骤S40之前还包括:在所述第二金属层上形成第二绝缘层;在步骤S40之后还包括:在所述第三金属层上形成第三绝缘层。
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| CN106227386A (zh) * | 2016-07-29 | 2016-12-14 | 京东方科技集团股份有限公司 | 一种触控面板及其制备方法、显示装置 |
| CN108319398B (zh) * | 2018-02-28 | 2021-04-30 | 京东方科技集团股份有限公司 | 一种触控面板及其制备方法、触控装置 |
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