WO2020097763A1 - 触控面板、触控显示屏与终端 - Google Patents

触控面板、触控显示屏与终端 Download PDF

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Publication number
WO2020097763A1
WO2020097763A1 PCT/CN2018/115072 CN2018115072W WO2020097763A1 WO 2020097763 A1 WO2020097763 A1 WO 2020097763A1 CN 2018115072 W CN2018115072 W CN 2018115072W WO 2020097763 A1 WO2020097763 A1 WO 2020097763A1
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WO
WIPO (PCT)
Prior art keywords
section
touch panel
edge
touch
sections
Prior art date
Legal status (The legal status 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 status listed.)
Ceased
Application number
PCT/CN2018/115072
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English (en)
French (fr)
Inventor
张亚楠
李东霖
苏伟盛
林源城
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shenzhen Royole Technologies Co Ltd
Original Assignee
Shenzhen Royole Technologies Co Ltd
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 Shenzhen Royole Technologies Co Ltd filed Critical Shenzhen Royole Technologies Co Ltd
Priority to PCT/CN2018/115072 priority Critical patent/WO2020097763A1/zh
Priority to CN201880096011.0A priority patent/CN112889018A/zh
Publication of WO2020097763A1 publication Critical patent/WO2020097763A1/zh
Priority to US17/318,008 priority patent/US20210263616A1/en
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
    • 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
    • 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
    • G06F3/0448—Details of the electrode shape, e.g. for enhancing the detection of touches, for generating specific electric field shapes, for enhancing display quality
    • 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
    • G06F2203/04111—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

  • the present application relates to the field of touch technology, in particular to a touch panel, touch display screen and terminal.
  • a touch panel of a touch display screen includes a transmitting electrode and a receiving electrode that are relatively overlapped and formed with an overlapping area.
  • the transmitting electrode and the receiving electrode are disposed on different surfaces of the touch panel, and the edges of the overlapping area are perpendicular or parallel to the touch The outer edge of the panel.
  • this application provides a touch panel, a touch display and a terminal.
  • the touch panel of the embodiment of the present application includes a touch unit.
  • the touch unit includes an insulating layer, a first electrode disposed on one side of the insulating layer, and a second electrode disposed on the opposite side of the insulating layer.
  • the orthographic projection of the first electrode and the second electrode on the insulating layer forms an overlapping area
  • the first electrode includes a first section corresponding to the overlapping area
  • the second electrode includes a second section corresponding to the overlapping area
  • the first section The extending direction of, and / or the extending direction of the second section is inclined with respect to the outer edge of the touch panel.
  • the extending direction of the first section of the first electrode of the touch panel of the embodiment of the present application is inclined relative to the outer edge of the touch panel, and / or the extending direction of the second section of the second electrode is relative to the outer side of the touch panel
  • the inclined edge can effectively improve the optical effect of the touch panel and reduce the visibility of human eyes to the etched lines or grids in the touch panel, ensuring the quality of the touch display and terminal products.
  • the touch display screen includes a display panel and a touch panel, and the touch panel is used to be stacked with the display panel.
  • the terminal of the embodiment of the present application includes a casing and a touch display screen, and the touch display screen is carried in the casing.
  • FIG. 1 is a schematic plan view of a terminal according to an embodiment of the present application.
  • FIG. 2 is a schematic plan view of a touch display screen according to an embodiment of the present application.
  • FIG. 3 is a schematic cross-sectional view of the touch screen shown in FIG. 2 along the direction III-III;
  • FIG. 4 is an enlarged schematic diagram of a partial structure of a touch panel according to an embodiment of the present application.
  • FIG. 5 is a schematic plan view of a touch unit formed by a first electrode and a second electrode according to an embodiment of the present application
  • FIG. 6 is a schematic plan view of a touch panel composed of multiple touch units of the embodiment shown in FIG. 5;
  • FIG. 7 is a schematic plan view of a first unit and a second electrode forming a touch unit according to another embodiment of the present application.
  • FIG. 8 is a schematic plan view of a touch panel composed of multiple touch units of the embodiment shown in FIG. 7;
  • FIG. 9 is a schematic plan view of a first electrode and a second electrode forming a touch unit according to yet another embodiment of the present application.
  • FIG. 10 is a schematic plan view of a touch unit formed by a first electrode and a second electrode according to yet another embodiment of the present application;
  • FIG. 11 is a schematic plan view of a touch panel composed of multiple touch units of the embodiment shown in FIG. 10;
  • FIG. 12 is a schematic plan view of a first electrode and a second electrode according to yet another embodiment of this application.
  • touch screen 10 touch panel 12, touch unit 122, insulating layer 1222, first electrode 1224, first section 122a, first sub-section 122c, second electrode 1226, second Section 122b, overlapping area 124, first edge 126, second edge 128, display panel 14, third edge 142, fourth edge 144, housing 20, terminal 100.
  • first and second are used for description purposes only, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated.
  • features defined as “first” and “second” may explicitly or implicitly include one or more of the features.
  • the meaning of “plurality” is two or more, unless otherwise specifically limited.
  • the present application provides a touch panel 12, a touch display screen 10 and a terminal 100.
  • the touch panel 12 is applied to the touch display screen 10.
  • the touch display screen 10 is applied to the terminal 100.
  • the terminal 100 includes but is not limited to devices such as mobile phones, computers, smart watches, and wearable smart products.
  • the terminal 100 according to the embodiment of the present application will be described using a mobile phone as an example. Of course, the specific form of the terminal 100 may also be other, which is not limited herein.
  • the touch panel 12 is used for the touch screen 10.
  • the touch display screen 10 includes a display panel 14, and the touch panel 12 and the display panel 14 are stacked.
  • the touch panel 12 includes a touch unit 122 including an insulating layer 1222, a first electrode 1224 disposed on one side of the insulating layer 1222, and a second electrode 1226 disposed on the other side of the insulating layer 1222.
  • the orthographic projections of the first electrode 1224 and the second electrode 1226 on the insulating layer 1222 intersect to form an overlapping region 124.
  • the first electrode 1224 includes a first section 122a corresponding to the overlapping region 124
  • the second electrode 1226 includes a corresponding region corresponding to the overlapping region 124.
  • the second section 122b, the extending direction of the first section 122a, and / or the extending direction of the second section 122b are inclined with respect to the outer edge of the touch panel 12.
  • the human eye is naturally sensitive to lines, especially lines with obvious directionality. According to the visual characteristics of the human eye, the visibility of the object not only depends on the light reflected from the object into the human eye, but also is affected by the processing of the image by the human eye according to visual habits, so if the first section 122a and the second section 122b Relative to the outer edge of the touch panel 12 being parallel or vertical, the user can easily see that the first electrode 1224 and / or the second electrode 1226 appear as parallel or vertical etching patterns or grid traces, which affects the use of the touch panel 12 .
  • the extending direction of the first section 122a of the first electrode 1224 of the touch panel 12 of the embodiment of the present application is inclined with respect to the outer edge of the touch panel 12, and / or the extending direction of the second section 122b of the second electrode 1226 Relative to the outer edge of the touch panel 12, the relative angle (interaction angle) between the first section 122a and the second section 122b affects the extending direction of the edge of the first section 122a and the edge of the second section 122b
  • the direction of the extension so changing the interaction angle of the first section 122a and the second section 122b can change the inclination of the first section 122a and the second section 122b relative to the outer edge of the touch panel 12, which can improve the human eye Visual experience to improve the optical effect of the touch panel 12 and enhance the shadow elimination effect of the touch panel 12 to reduce the visibility of human eyes to the etched lines or grids in the touch panel 12 to ensure the touch screen 10 and the terminal 100 quality.
  • first electrode 1224 and the second electrode 1226 each form an electric field and the electric fields between the two affect each other, the mutual capacitance between the two electric fields affects the edge of the first electrode 1224 and the second electrode 1226 The distance between them increases and decreases rapidly, so the closer the distance (interaction distance) between the opposite edges (both sides of the two electrodes) of the first electrode 1222 and the second electrode 1224, the longer the length of the two opposite edges The higher the mutual capacitance between the two electrodes, the higher the sensitivity of the touch panel 12.
  • the edge lengths of the first section 122a and the second section 122b also increase accordingly, and the first section can be increased to a certain extent The interaction distance and the total interaction length between the opposite edges of the electrode 1222 and the second electrode 1224.
  • the basic mutual capacitance value between the first electrode 1224 and the second electrode 1226 before touch is recorded as Cm
  • the mutual capacitance value between the first electrode 1224 and the second electrode 1226 after touch is recorded as Cm ′.
  • the control IC is acquired, the better the performance of the touch panel 12.
  • the distance between the opposite edges of the inclined first section 122a and the second section 122b is relatively short and the length is long.
  • the electric field lines between the first electrode 1222 and the second electrode 1224 are dense. There are many effective electric field lines contributing, and the mutual capacitance difference ⁇ C increases more when touched, thereby increasing the value of ⁇ C / Cm to improve the performance of the touch panel 12.
  • the present application provides the first section 122a and the second section 122b inclined relative to the outer edge of the touch panel 12, the first section 122a and the second section 122b form an overlapping area 124, and the edge of the overlapping area 124 The outer edge of the touch panel 12 is inclined.
  • the routing of the touch panel 12 in the overlapping area 124 has a certain influence on the resistance value of the overall touch panel 12.
  • the overlapping area 124 of the present application has a variety of variable structures, so you can change the touch panel 12 Align the traces in the overlapping area 124 to adjust the resistance of the overall touch panel 12 to further adjust the touch performance.
  • the extending direction of the first section 122a and / or the second section 122b is inclined with respect to the outer edge of the touch panel 12 can be understood as: the extending direction of the first section 122a is inclined with respect to the outer edge of the touch panel 12, The extending direction of the two sections 122b is not inclined relative to the outer edge of the touch panel 12; the extending direction of the first section 122a is not inclined relative to the outer edge of the touch panel 12, and the extending direction of the second section 122b is relative to the touch
  • the outer edge of the control panel 12 is inclined; the extending directions of the first section 122 a and the second section 122 b are both inclined with respect to the outer edge of the touch panel 12.
  • the extending direction of at least one of the first section 122a and the second section 122b is inclined with respect to the outer edge of the touch panel 12, and at least one edge of the formed overlapping region 124 is inclined with respect to the outer edge of the touch panel 12,
  • the overlapping area 124 includes multiple edges. Preferably, all edges of the overlapping area 124 are inclined with respect to the outer edge of the touch panel 12 to enhance the extinction effect.
  • the extending direction of the first section 122a can be understood as: the extending direction of the edge of the first section 122a.
  • the extending direction of the second section 122b can be understood as: the extending direction of the edge of the second section 122b.
  • the first section 122a and the outer edge of the touch panel 12 are inclined. It can be understood that at least one edge of the first section 122a and the at least one outer edge of the touch panel 12 are inclined.
  • the second section 122b is inclined to the outer edge of the touch panel 12, which can be understood as that at least one edge of the second section 122b is inclined to at least one outer edge of the touch panel 12.
  • the inclination of the two can mean that the two are not parallel and the angle between the two is not 90 degrees.
  • the insulating layer 1222 may be made of materials such as glass, polyethylene terephthalate (PET), and polymethyl methacrylate (PMMA), and is manufactured on the insulating layer 1222 using a mask process
  • the first electrode 1224 and the second electrode 1226 are provided on different surfaces.
  • the first electrode 1224 may be a receiving electrode of the touch control unit 122, and the second electrode 1226 may be a transmitting electrode; or, the first electrode 1224 may be a transmitting electrode, and the second electrode 1226 may be a receiving electrode.
  • the first electrode 1224 is used as the receiving electrode, and the second electrode 1226 is used as the transmitting electrode as an example for description.
  • the first electrode 1224 and the second electrode 1226 in the embodiments of the present application are merely exemplary. In other embodiments, the first electrode 1224 and the second electrode 1226 may be other, which is not specifically limited herein.
  • the angle between the extending direction of the first section 122a and the outer edge of the touch panel 12 is (0 ° , 90 °) or (90 °, 180 °) or (180 °, 270 °) or (270 °, 360 °); when the extending direction of the second section 122b is inclined with respect to the outer edge of the touch panel 12, The angle between the extending direction of the second section 122b and the outer edge of the touch panel 12 is (0 °, 90 °) or (90 °, 180 °) or (180 °, 270 °) or (270 °, 360 ° ).
  • the first section 122a and the second section 122b have more extension directions and angles, which can be combined to form more overlapping regions 124, so that the touch unit 122 has more structural changes to adapt to more The demand for the touch panel 12. Furthermore, the shadow elimination effect of the touch unit 122 and the touch panel 12 can be further enhanced.
  • the overlapping area 124 formed by the first electrode 1224 and the second electrode 1226 has more adjustable range, which is convenient for adjusting the capacity of the touch unit 122 Value amount. It is also advantageous to adjust the traces of the touch panel 12 in the overlapping area 124 to adjust the resistance of the overall touch panel 12 to meet the power consumption requirements of the touch screen 10 and the terminal 100. It can be understood that the extending direction of the first section 122a, the extending direction of the second section 122b, and the outer edge of the touch panel 12 are not parallel and vertical.
  • the angle between the extending direction of the first section 122a and the outer edge of the touch panel 12 is [30 °, 60 °].
  • the angle between the extending direction of the second section 122b and the outer edge of the touch panel 12 is [30 °, 60 °].
  • the extension direction of the first section 122a and the outer edge of the touch panel 12 have a larger inclination, and the extension direction of the second section 122b and the outer edge of the touch panel 12 have a larger inclination, resulting in an overlap
  • the multiple edges of the area 124 have a greater inclination relative to the outer edge of the touch panel 12, which can better reduce the visibility of human eyes to the etched lines or grids in the touch panel 12.
  • the angle between the extending direction of the first section 122a and the outer edge of the touch panel 12 is 30 °, 37 °, 40 °, 41 °, 45 °, 50 °, 57 °, 60 °, etc .; when the extending direction of the first section 122a is inclined relative to the outer edge of the touch panel 12, the extending direction of the second section 122b is the same as
  • the included angle of the outer edge of the touch panel 12 is 30 °, 37 °, 40 °, 41 °, 45 °, 50 °, 57 °, 60 ° and other angles.
  • the extending direction of the first section 122 a is perpendicular or parallel to the extending direction of the second section 122 b.
  • the extending direction of the first section 122a and the extending direction of the second section 122b may be perpendicular to each other (as shown in FIG. 5) or parallel to each other (as shown in FIG. 12), so that a more regular overlapping area can be formed 124.
  • the outer contour of the overlapping area 124 may be rectangular, square, parallelogram, or the like.
  • the number of the touch units 122 is multiple, and the multiple touch units 122 are arranged in an array.
  • the multiple touch units 122 are arranged in an array for easy setting, which is beneficial to form a regular touch panel 12, making each touch unit 122 more compact, improving the space utilization of the touch panel 12 to set more
  • the touch unit 122 can better sense the touch operation of the outside world, and the touch sensing of the outside world is more precise and precise.
  • the touch unit 122 is formed with a plurality of overlapping regions 124, the touch unit 122 includes a plurality of first sections 122a and a plurality of second sections 122b, at least one The extending direction of the first section 122a is inclined with respect to the outer edge of the touch panel 12; and / or the extending direction of the at least one second section 122b is inclined with respect to the outer edge of the touch panel 12.
  • the plurality of first sections 122a and the plurality of second sections 122b respectively overlap and overlap to form a plurality of overlapping regions 124.
  • the extending direction of the at least one first section 122a is inclined relative to the outer edge of the touch panel 12 and / or the extending direction of the at least one second section 122b is inclined relative to the outer edge of the touch panel 12, which can be understood as: at least one The extending direction of the first section 122a is inclined with respect to the outer edge of the touch panel 12, and the extending direction of the at least one second section 122b is inclined with respect to the outer edge of the touch panel 12; or, at least one of the first section 122a
  • the extending direction is inclined relative to the outer edge of the touch panel 12, the extending direction of the second section 122b may be inclined or not inclined relative to the outer edge of the touch panel 12, or the extending direction of the first section 122a is relative to the touch
  • the outer edge of the panel 12 may be inclined or not, and the extending direction of the at least one second section 122b is inclined with respect to the outer edge of the touch panel 12.
  • the plurality of first sections 122a and the plurality of second sections 122b can form a variety of overlapping regions 124 inclined with respect to the outer edge of the touch panel 12 to further form the touch panel 12 with variations and combinations to suit More different requirements of the touch panel 12 further improve the extinction effect of the touch panel 12 to improve the display quality of the touch display 10.
  • the shapes of the plurality of first sections 122a are the same or different; and / or the shapes of the plurality of second sections 122b are the same or different.
  • the shapes of the plurality of first sections 122a are the same or different and / or the shapes of the plurality of second sections 122b are the same or different. It can be understood that the shapes of the plurality of first sections 122a are the same, The shapes of the two sections 122b are the same; or, the shapes of the plurality of first sections 122a are different, and the shapes of the plurality of second sections 122b are the same; or, the shapes of the plurality of first sections 122a are different, the plurality of first sections The shapes of the two sections 122b are different; or, the shapes of the plurality of first sections 122a are the same, and the shapes of the plurality of second sections 122b are different.
  • first sections 122a and multiple second sections 122b of the same shape or different shapes have more combinations, and more overlapping regions 124 can be formed to further form a touch with multiple internal shapes Unit 122 to meet the different needs of more touch panels 12.
  • the material of the first electrode 1224 and / or the second electrode 1226 includes a metal conductive material
  • the metal conductive material includes Indium Tin Oxide (ITO), Nano-Ag, Titanium Aluminum At least one of titanium or molybdenum aluminum molybdenum.
  • ITO Indium Tin Oxide
  • Nano-Ag Titanium Aluminum At least one of titanium or molybdenum aluminum molybdenum.
  • first electrode 1224 and the second electrode 1226 have a variety of optional materials and a combination of materials, which is beneficial to forming more types of touch panels 12 to meet different needs.
  • indium tin oxide has good conductivity and transparency, can reduce harmful electronic radiation and ultraviolet, infrared, etc., can be sprayed on glass, plastic and electronic display screens as a transparent conductive film.
  • Nano silver has good conductivity, and can be coated on the substrate to form a conductive film.
  • Titanium, aluminum, titanium, molybdenum, aluminum, and molybdenum materials can be made into a metal grid shape by Metal-Mesh technology. For example, a single-layer metal grid can be made and applied to the touch unit 122, or multiple layers of metal grids can be superimposed together for touch control. Unit 122.
  • Metal-Mesh technology can form conductive metal materials on different insulating substrates, such as glass substrates, polyethylene terephthalate (Polyethylene terephthalate (PET), polymethyl methacrylate (PMMA)
  • PET Polyethylene terephthalate
  • PMMA polymethyl methacrylate
  • the metal grid made of Metal-Mesh technology has a smaller square resistance, and the wiring resistance in the touch display 10 is smaller, which can increase the size of the touch display 10 and reduce power consumption.
  • the first electrode 1224 and the second electrode 1226 are made of a transparent metal conductive material, which can further eliminate the reflection of the ambient light and the light inside the touch display screen 10 by the touch unit 122, thereby enhancing the shadow elimination effect.
  • both the first electrode 1224 and the second electrode 1226 are made of indium tin oxide materials
  • processes such as magnetron sputtering, chemical vapor deposition, or sol-gel can be used to form the indium tin oxide film layer And using a mask process to fabricate the first electrode 1224 and the second electrode 1226 on opposite sides of the insulating layer 1222.
  • the touch unit 122 includes a single first section 122a and a single second section 122b, the extending direction of the first section 122a and the extending of the second section 122b The directions are perpendicular to each other.
  • the extending direction of the first section 122a and the extending direction of the second section 122b are perpendicular to each other, and the distance and the included angle between the first electrode 1224 and the second electrode 1226 can be easily adjusted, which is beneficial to change the first electrode 1224
  • the basic mutual capacitance value and the post-touch mutual capacitance value with the second electrode 1226 are used to adjust the capacitance value of the touch unit 122, so that the touch sensing of the touch panel 12 is more rapid and accurate. More often, the overlapping area 124 is generally a regular square shape.
  • the outer edge of the touch panel 12 includes a first edge 126 extending in the first direction and a second edge 128 extending in the second direction.
  • the first edge 126 and the second edge The edge 128 is perpendicular, the angle between the first section 122a and the first edge 126 is 45 °, and the angle between the second section 122b and the second edge 128 is 45 °.
  • the angle between the first section 122a and the first edge 126 is 45 °
  • the angle between the second section 122b and the second edge 128 is 45 °
  • the first edge 126 is perpendicular to the second edge 128, so the first area
  • the segment 122a and the second section 122b can be perpendicular to each other to form a regular and compact overlapping area 124 to further form a regularly compact touch unit 122, touch panel 12 and touch display screen 10, and further enhance Shadow effect.
  • the display panel 14 may have a rectangular shape, a rounded rectangle shape, etc., which conforms to the user's usage habits and facilitates the production of the display panel 14.
  • the display panel 14 is not limited to a rectangular shape, a rounded rectangle shape, etc. There are no restrictions.
  • the touch unit 122 includes a single first section 122a and a single second section 122b.
  • the first section 122a includes a plurality of first sub-sections 122c extending in different directions .
  • the first section 122a includes a plurality of first sub-sections 122c extending in different directions, and can be combined with a single second section 122b to form an overlapping region 124 with more varied structures to form a touch unit 122 with various structures.
  • the number of the first sub-segments 122c is two, there is a certain combination change between the first segment 122a and the second segment 122b, and the structure is relatively simple;
  • the number of the first sub-sections 122c may be three, four, five, etc., to form more structural combinations with the second section 122b, so that the overlapping area 124 has more
  • the structure changes, at the same time can further enhance the effect of erasure.
  • the touch unit 122 includes a single first section 122a and a single second section 122b.
  • the second section 122b includes a plurality of second sub-sections (not shown) extending in different directions.
  • the outer edge of the touch panel 12 includes a first edge 126 extending in the first direction and a second edge 128 extending in the second direction, a plurality of first sub The extending direction of the section 122c is inclined with respect to the second edge 128.
  • the extension direction of the plurality of first sub-sections 122c is inclined with respect to the second edge 128 to increase the area of the first section 122a to increase the area of the first electrode 1224, which can refract or reflect light from the edge of the first electrode 1224 It plays the role of dispersion and absorption, and further enhances the effect of eliminating shadows.
  • the first edge 126 is perpendicular to the second edge 128, and the extending direction of the second section 122 b is parallel to the first edge 126.
  • the extension direction of the second section 122b is parallel to the first edge 126.
  • the second section 122b cooperates with the first sub-section 122c whose extension direction is inclined with respect to the second edge 128, the shadow elimination effect of the touch unit 122 can be satisfied. Ensure the display quality of the touch screen 10.
  • the extending direction of the second section 122b may not be parallel to the first edge 126, which is not limited herein.
  • the first electrode 1224 includes a plurality of first sections 122a, the extension directions of the plurality of first sections 122a are parallel to each other, and the second electrode 1226 includes a plurality of second sections 122b The extending directions of the plurality of second sections 122b are parallel to each other.
  • the extension directions of the plurality of first sections 122a are parallel to each other, and the extension directions of the plurality of second sections 122b are parallel to each other, so that overlapping regions 124 with relatively regular edges, such as diamond shapes, parallelograms, and the like, can be formed.
  • the first electrodes 1224 and The second electrode 1226 is also easy to manufacture.
  • the number of the first section 122a and the second section 122b are two, the first section 122a and the second section 122b are easy to be combined and arranged with each other, and have a certain structure Variations; in more embodiments, the number of the first section 122a and the second section 122b can be more, such as three, four, five, etc., to further enhance the first electrode 1224 and the second electrode The combination of 1226 can further enhance the extinction effect of the touch panel 12.
  • the outer edge of the touch panel 12 includes a first edge 126 extending in a first direction and a second edge 128 extending in a second direction, and a plurality of first sections 122a The extending direction is inclined relative to the first edge 126 and / or the extending direction of the plurality of second sections 122 b is inclined relative to the second edge 128.
  • the extension directions of the plurality of first sections 122a are inclined relative to the first edge 126, and the extension directions of the plurality of second sections 122b are inclined relative to the second edge 128 to further enhance the touch unit 122 and the touch panel 12
  • the anti-shadowing effect is helpful for adjusting the capacitance of the touch unit 122, and for adjusting the routing of the touch panel 12 in the overlapping area 124 to adjust the resistance value of the overall touch panel 12 to satisfy the touch display 10 and the terminal Power consumption requirement of 100.
  • the extending direction of the plurality of first sections 122a is inclined relative to the first edge 126 and / or the extending direction of the plurality of second sections 122b is inclined relative to the second edge 128, which can be understood as:
  • the extension direction is inclined with respect to the first edge 126 and the extension directions of the plurality of second sections 122b are inclined with respect to the second edge 128; or, the extension directions of the plurality of first sections 122a are inclined with respect to the first edge 126, at least one The extension direction of the second section 122b is not inclined with respect to the second edge 128; or, the extension direction of at least one first section 122a is not inclined with respect to the first edge 126, and the extension direction of the plurality of second sections 122b is relative to The second edge 128 is inclined.
  • the first electrode 1224 includes a plurality of first sections 122a, at least two first sections 122a have different shapes, and the second electrode 1226 includes a plurality of second sections In the segment 122b, the extending directions of the plurality of second segments 122b are parallel to each other.
  • the extending directions of the plurality of second sections 122b are parallel to each other, so that the structure of the second electrode 1226 is relatively regular, which facilitates the fabrication of the second electrode 1226.
  • a plurality of first sections 122a with different shapes can be combined with a plurality of second electrodes 1226 to form a plurality of overlapping regions 124 with different shapes to improve the shape change of the touch unit 122 to meet more needs and enhance touch Control the adaptability of the display screen 10.
  • the outer edge of the touch panel 12 includes a first edge 126 extending in a first direction and a second edge 128 extending in a second direction, and a plurality of second sections 122b
  • the extending direction is inclined with respect to the first edge 126
  • the extending direction of at least one first section 122a is inclined with respect to the second edge 128.
  • the at least one first section 122a includes a plurality of first sub-sections 122c extending in different directions.
  • the first section 122a and the second section 122b have more structural combinations and changes, and can form more shapes of overlapping regions 124, which is helpful for adjusting the capacitance of the touch unit 122 and for adjusting the touch panel 12
  • the resistance of the overall touch panel 12 is adjusted by the wiring in the overlapping area 124 to meet the power consumption requirements of the touch screen 10 and the terminal 100.
  • the first direction may be a horizontal direction
  • the second direction may be a vertical direction
  • the first direction and the second direction are perpendicular to each other, so that the structure of the display panel 14 is more regular, and is also convenient for production.
  • At least one first section 122a includes three first sub-sections 122c extending in different directions, the three first sub-sections 122c are connected in a zigzag shape, one of them
  • the extension direction of the first sub-section 122c is the same as the extension direction of the second section 122b.
  • the three first sub-sections 122c are connected to form a zigzag first section 122a.
  • the zigzag shape makes the first section 122a and the second section 122b have more structural combinations to form more overlapping regions 124 with different shapes
  • the overlapping area 124 may have regular or irregular shapes such as squares, rectangles, rhombuses, and parallelograms to improve the shape change of the touch unit 122.
  • the touch screen 10 can adapt to more needs and further enhance touch The shadow elimination effect of the control unit 122 and the touch panel 12.
  • the overlapping area 124 formed by the combination of different first sub-segments 122c is helpful for adjusting the capacitance of the touch unit 122, and for adjusting the routing of the touch panel 12 in the overlapping area 124 to adjust the resistance of the overall touch panel 12 To meet the power consumption requirements of the touch screen 10 and the terminal 100.
  • the first section 122a formed by the three first sub-sections 122c is not limited to the zigzag mentioned above, and may be specifically set in a specific embodiment.
  • the shapes of the plurality of first sections 122a are the same, and the shapes of the plurality of second sections 122b are different.
  • the touch display screen 10 includes a display panel 14 and a touch panel 12.
  • the touch panel 12 is disposed under the display panel 14 or on the display panel 14 and is used for combining with the display panel 14. .
  • the touch panel 12 may be adhered to the display panel 14 through a medium such as optical glue.
  • the optical glue not only adheres and fixes the touch panel 12 and the display panel 14 but also transmits light emitted from the touch panel 12.
  • the touch panel 12 may use a material with a visible light transmittance greater than 90%, which is beneficial to the touch display screen 10 to better display the content effect.
  • the touch panel 12 can receive the action of the user touching the touch display screen 10 and generate an input signal.
  • the input signal can be further transmitted to a processor (not shown) for data processing, thereby obtaining the user touching the touch display screen 10 Specific location.
  • the touch panel includes an operation area (Active Area, AA), the display panel includes a display area (View Area, VA), and the edges of the operation area and the display area are parallel to each other, so the overlapping area 124 At least one edge is inclined with respect to the edge of the display area.
  • the display panel 14 includes third and fourth edges 142 and 144 that are perpendicular to each other. The third edge 142 of the display panel 14 is parallel to the first edge 126 of the touch panel 12 and the fourth edge 144 is parallel to the second edge 128.
  • the third edge 142 and the fourth edge 144 of the display panel 14 and the first edge 126 and the second edge 128 of the touch panel 12 are not all parallel to each other, or none of them are parallel to each other.
  • the display panel 14 includes an organic light-emitting diode (Organic Light-Emitting Diode, OLED) display screen or a liquid crystal display (Liquid Crystal Display) (LCD).
  • OLED Organic Light-Emitting Diode
  • LCD Liquid Crystal Display
  • the OLED display has advantages such as self-luminousness, large viewing angle, high contrast, low power consumption, high reaction rate, full colorization, and simple manufacturing process.
  • LCD has the advantages of low operating voltage, low power consumption, small size, no glare, no eye irritation, large amount of displayed information, easy colorization, no electromagnetic radiation, and long service life. OLED and LCD are widely used, which is beneficial to the touch panel 12 and the touch screen 10 to meet different needs.
  • the packaging technology of the touch display screen 10 includes an external touch screen packaging technology and a film packaging technology.
  • the plug-in form of the touch screen display 10 includes a G / G structure, a G / F / F structure, a GF or GTM structure, an OGS structure, etc., wherein the ITO carrier such as glass, substrate film, etc. is formed That is, the touch panel 12.
  • Thin film packaging technology Thin Film Encapsulation, TFE
  • TFE Thin Film Encapsulation
  • the structure made by TFE technology is formed by stacking inorganic and organic materials, and the encapsulated touch display screen 10 has a high integrity, which is beneficial to isolate external interference such as moisture and impurities, and can improve the touch panel 12 The quality guarantees the service life of the touch panel 12.
  • the terminal 100 includes a housing 20 and a touch display screen 10.
  • the touch display screen 10 is carried in the housing 20.
  • an accommodating space (not shown) for accommodating the touch display screen 10 may be formed in the housing 20.
  • the housing 20 may be provided with a bearing structure to fix the touch display screen 10.
  • the glue adheres to the inner wall of the housing 20 or the corresponding structure to be fixed in the housing 20.
  • the housing 20 may be made of materials such as glass, metal, ceramic, sapphire, or plastic. The above materials not only have high strength, but also are easy to obtain and produce.

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Abstract

一种触控面板(12)、触控显示屏(10)与终端(100)。触控面板(12)包括触控单元(122)，触控单元(122)包括绝缘层(1222)、设置在绝缘层(1222)的一侧的第一电极(1224)及设置在绝缘层(1222)的相对另一侧的第二电极(1226)。第一电极(1224)与第二电极(1226)在绝缘层(1222)上的正投影形成重叠区(124)，第一电极(1224)包括与重叠区(124)对应的第一区段(122a)，第二电极(1226)包括与重叠区(124)对应的第二区段(122b)，第一区段(122a)的延伸方向，及/或第二区段(122b)的延伸方向相对于触控面板(12)的外侧边缘倾斜。

Description

触控面板、触控显示屏与终端 技术领域
本申请涉及触控技术领域，尤其涉及一种触控面板、触控显示屏与终端。
背景技术
通常，触控显示屏的触摸面板包括相对重叠设置并形成有重叠区的发射电极与接收电极，发射电极与接收电极设置在触控面板的不同面上，重叠区的边缘垂直或平行于触控面板的外侧边缘。当触控显示屏发光时，人眼视觉对重叠区的水平或竖直构造的感知较为敏感，容易看到电极上的蚀刻纹或网格，影响用户的使用。
发明内容
有鉴于此，本申请提供一种触控面板、触控显示屏与终端。
本申请实施方式的触控面板包括触控单元，触控单元包括绝缘层、设置在绝缘层的一侧的第一电极及设置在绝缘层的相对另一侧的第二电极。第一电极与第二电极在绝缘层上的正投影形成重叠区，第一电极包括与重叠区对应的第一区段，第二电极包括与重叠区对应的第二区段，第一区段的延伸方向，及/或第二区段的延伸方向相对于触控面板的外侧边缘倾斜。
本申请实施方式的触控面板的第一电极的第一区段的延伸方向相对于触控面板的外侧边缘倾斜，及/或第二电极第二区段的延伸方向相对于触控面板的外侧边缘倾斜，可有效改善触控面板的光学效果，并降低人眼视觉对触控面板中的蚀刻纹或网格的可见度，保证了触控显示屏与终端的产品质量。
本申请实施方式的触控显示屏包括显示面板及触控面板，触控面板用于与显示面板层叠设置。
本申请实施方式的终端包括壳体及触控显示屏，触控显示屏承载于壳体内。
本申请的附加方面和优点将在下面的描述中部分给出，部分将从下面的描述中变得明显，或通过本申请的实践了解到。
附图说明
本申请的上述和/或附加的方面和优点从结合下面附图对实施方式的描述中将变得明显和容易理解，其中：
图1是本申请实施方式的终端的平面示意图；
图2是本申请实施方式的触控显示屏的平面示意图；
图3是图2所示的触控显示屏沿III-III方向的截面示意图；
图4是本申请实施方式的触控面板部分结构的放大示意图；
图5是本申请一个实施例的第一电极与第二电极形成触控单元的平面示意图；
图6是多个图5所示的实施例的触控单元组成的触控面板的平面示意图；
图7是本申请另一实施例的第一电极与第二电极形成触控单元的平面示意图；
图8是多个图7所示的实施例的触控单元组成的触控面板的平面示意图；
图9是本申请又一实施例的第一电极与第二电极形成触控单元的平面示意图；
图10是本申请再一实施例的第一电极与第二电极形成触控单元的平面示意图；
图11是多个图10所示的实施例的触控单元组成的触控面板的平面示意图；
图12是本申请另又一实施例的第一电极与第二电极的平面示意图。
主要元件符号说明：触控显示屏10，触控面板12，触控单元122，绝缘层1222，第一电极1224，第一区段122a，第一子区段122c，第二电极1226，第二区段122b，重叠区124，第一边缘126，第二边缘128，显示面板14，第三边缘142，第四边缘144，壳体20，终端100。
具体实施方式
下面详细描述本申请的实施方式，所述实施方式的示例在附图中示出，其中自始至终相同或类似的标号表示相同或类似的元件或具有相同或类似功能的元件。下面通过参考附图描述的实施方式是示例性的，仅用于解释本申请，而不能理解为对本申请的限制。
在本申请的描述中，需要理解的是，术语“中心”、“纵向”、“横向”、“长度”、“宽度”、“厚度”、“上”、“下”、“前”、“后”、“左”、“右”、“竖直”、“水平”、“顶”、“底”、“内”、“外”、“顺时针”、“逆时针”等指示的方位或位置关系为基于附图所示的方位或位置关系，仅是为了便于描述本申请和简化描述，而不是指示或暗示所指的装置或元件必须具有特定的方位、以特定的方位构造和操作，因此不能理解为对本申请的限制。此外，术语“第一”、“第二”仅用于描述目的，而不能理解为指示或暗示相对重要性或者隐含指明所指示的技术特征的数量。由此，限定有“第一”、“第二”的特征可以明示或者隐含地包括一个或者更多个所述特征。在本申请的描述中，“多个”的含义是两个或两个以上，除非另有明确具体的限定。
下文的公开提供了许多不同的实施方式或例子用来实现本申请的不同结构。为了简化本 申请的公开，下文中对特定例子的部件和设置进行描述。当然，它们仅仅为示例，并且目的不在于限制本申请。此外，本申请可以在不同例子中重复参考数字和/或参考字母，这种重复是为了简化和清楚的目的，其本身不指示所讨论各种实施方式和/或设置之间的关系。此外，本申请提供了的各种特定的工艺和材料的例子，但是本领域普通技术人员可以意识到其他工艺的应用和/或其他材料的使用。
请参阅图1与图2，本申请提供一种触控面板12、触控显示屏10与终端100。触控面板12应用于触控显示屏10。触控显示屏10应用于终端100。终端100包括但不限于手机、电脑、智能手表、可穿戴式智能产品等设备。本申请实施方式的终端100以手机为例进行说明。当然，终端100的具体形式也可以是其它，在此不做限制。
请一并参阅图3至图5，本申请实施方式的触控面板12用于触控显示屏10。触控显示屏10包括显示面板14，触控面板12与显示面板14层叠设置。触控面板12包括触控单元122，触控单元122包括绝缘层1222、设置在绝缘层1222的一侧的第一电极1224及设置在绝缘层1222的另一侧的第二电极1226。第一电极1224与第二电极1226在绝缘层1222上的正投影交叉形成重叠区124，第一电极1224包括与重叠区124对应的第一区段122a，第二电极1226包括与重叠区124对应的第二区段122b，第一区段122a的延伸方向，及/或第二区段122b的延伸方向相对于触控面板12的外侧边缘倾斜。
由于人眼对线条有着天生的敏感，尤其是具有明显方向性的线条。根据人眼的视觉特性，物体的明显度不仅取决于从物体反射进入人眼的光，还受人眼根据视觉习惯对图像的处理的影响，因此如果第一区段122a与第二区段122b相对触控面板12的外侧边缘平行或垂直，用户容易看到第一电极1224和/或第二电极1226上呈现为平行或垂直的蚀刻纹或网格走线，而影响触控面板12的使用。
本申请实施方式的触控面板12的第一电极1224的第一区段122a的延伸方向相对于触控面板12的外侧边缘倾斜，及/或第二电极1226的第二区段122b的延伸方向相对于触控面板12的外侧边缘倾斜，第一区段122a与第二区段122b之间的相对角度(交互角度)影响第一区段122a的边缘的延伸方向与第二区段122b的边缘的延伸方向，因此改变第一区段122a与第二区段122b的交互角度即可改变第一区段122a与第二区段122b相对触控面板12的外侧边缘的倾斜度，可以改善人眼视觉体验，以改善触控面板12的光学效果，增强触控面板12的消影效果，降低人眼视觉对触控面板12中的蚀刻纹或网格的可见度，保证触控显示屏10与终端100的质量。
另外，由于第一电极1224与第二电极1226各形成有电场并且两者之间的电场互相影响，两个电场之间互相影响的互容系数随第一电极1224与第二电极1226相对的边缘之间的距离 的增加而快速地减小，因此第一电极1222与第二电极1224相对的边缘(两电极的两侧)之间的距离(交互距离)越近、两相对边缘的长度越长，两个电极之间的互容越高，触控面板12的灵敏度越高。
当第一区段122a与第二区段122b相对于触控面板12的外侧边缘倾斜时，第一区段122a与第二区段122b的边缘长度也相应增加，可在一定程度上增加第一电极1222与第二电极1224的相对的边缘之间的交互距离与交互总长度。
触摸前第一电极1224与第二电极1226之间的基础互容值记为Cm，触摸后第一电极1224与第二电极1226之间的触摸后互容值记为Cm′，触摸前后第一电极1224与第二电极1226的互容值差值ΔC＝Cm-Cm′，以ΔC/Cm值作为评估触控面板12性能的参考值，ΔC/Cm值越大，触摸信号就更容易被触控集成电路获取，触控面板12的性能越好。倾斜的第一区段122a与第二区段122b的相对的边缘之间的距离较近、长度较长，第一电极1222与第二电极1224之间的电场线密集，对于改变互容值有贡献的有效电场线较多，触摸时互容值差值ΔC增大得较多，从而提升ΔC/Cm的值，以改善触控面板12的性能。
综上，本申请设置相对于触控面板12的外侧边缘倾斜的第一区段122a与第二区段122b，第一区段122a与第二区段122b形成重叠区124，重叠区124的边缘相对于触控面板12的外侧边缘倾斜，通过改变第一区段122a及第二区段122b的倾斜度，可改善第一电极1224和第二电极1226相对的边缘之间的交互距离以及第一区段122a与第二区段122b之间的交互角度，从而改善触控面板12的性能。
更多的，触控面板12在重叠区124的走线对整体触控面板12的阻值有着一定的影响，本申请的重叠区124有着多种可变化的结构，因此可通过改变触控面板12在重叠区124的走线来调整整体触控面板12的阻值，进而调整触控性能。
第一区段122a及/或第二区段122b的延伸方向相对于触控面板12的外侧边缘倾斜可以理解为：第一区段122a的延伸方向相对于触控面板12的外侧边缘倾斜，第二区段122b的延伸方向相对于触控面板12的外侧边缘不倾斜；第一区段122a的延伸方向相对于触控面板12的外侧边缘不倾斜，第二区段122b的延伸方向相对于触控面板12的外侧边缘倾斜；第一区段122a及第二区段122b的延伸方向均相对于触控面板12的外侧边缘倾斜。即，第一区段122a及第二区段122b中至少一个的延伸方向相对于触控面板12的外侧边缘倾斜，所形成的重叠区124的至少一条边缘相对触控面板12的外侧边缘倾斜，重叠区124包括多条边缘，优选地，重叠区124的所有边缘都相对于触控面板12的外侧边缘倾斜，以增强消影效果。
第一区段122a的延伸方向可以理解为：第一区段122a的边缘的延伸方向。第二区段 122b的延伸方向可以理解为：第二区段122b的边缘的延伸方向。第一区段122a与触控面板12的外侧边缘倾斜，可以理解为，第一区段122a的至少一条边缘与触控面板12的至少一条外侧边缘倾斜。第二区段122b与触控面板12的外侧边缘倾斜，可以理解为，第二区段122b的至少一条边缘与触控面板12的至少一条外侧边缘倾斜。其中，二者倾斜可以指二者之间不平行且二者之间的夹角不为90度。
绝缘层1222可采用如玻璃、聚对苯二甲酸乙二醇酯(Polyethylene terephthalate，PET)、聚甲基丙烯酸甲酯(Polymethyl methacrylate，PMMA)材料制成，采用掩模工艺在绝缘层1222上制作第一电极1224与第二电极1226，第一电极1224与第二电极1226设置于不同的面上。
第一电极1224如可以为触控单元122的接收电极，第二电极1226可以为发射电极；或，第一电极1224为发射电极，第二电极1226为接收电极。在本申请的实施方式中，以第一电极1224为接收电极，第二电极1226为发射电极为例进行说明。本申请实施方式的第一电极1224与第二电极1226仅为示例性的，在其他的实施方式中，第一电极1224与第二电极1226可以为其他，在此不做具体限制。
在某些实施方式中，第一区段122a的延伸方向相对于触控面板12的外侧边缘倾斜时，第一区段122a的延伸方向与触控面板12的外侧边缘的夹角为(0°，90°)或(90°，180°)或(180°，270°)或(270°，360°)；在第二区段122b的延伸方向相对于触控面板12的外侧边缘倾斜时，第二区段122b的延伸方向与触控面板12的外侧边缘的夹角为(0°，90°)或(90°，180°)或(180°，270°)或(270°，360°)。
如此，第一区段122a与第二区段122b具备较多的延伸方向和角度，可以组合形成更多形状的重叠区124，使触控单元122具备更多的结构变化以适配更多的触控面板12的需求。并可进一步的增强触控单元122与触控面板12的消影效果，第一电极1224与第二电极1226所形成的重叠区124有更多的可调范围，便于调整触控单元122的容值量。还有利于调整触控面板12在重叠区124的走线来调整整体触控面板12的阻值，以满足触控显示屏10和终端100的功耗要求。可以理解，第一区段122a的延伸方向、第二区段122b的延伸方向和触控面板12的外侧边缘均不平行且不垂直。
在某些实施方式中，在第一区段122a的延伸方向相对于触控面板12的外侧边缘倾斜时，第一区段122a的延伸方向与触控面板12的外侧边缘的夹角为[30°,60°]。在第二区段122b的延伸方向相对于触控面板12的外侧边缘倾斜时，第二区段122b的延伸方向与触控面板12的外侧边缘的夹角为[30°，60°]。
上述第一区段122a的延伸方向与触控面板12的外侧边缘的倾斜度较大，以及第二区段 122b的延伸方向与触控面板12的外侧边缘的倾斜度较大，所形成的重叠区124的多条边缘相对与触控面板12的外侧边缘的倾斜度较大，能较好降低人眼视觉对触控面板12中的蚀刻纹或网格的可见度。
优选地，在第一区段122a的延伸方向相对于触控面板12的外侧边缘倾斜时，第一区段122a的延伸方向与触控面板12的外侧边缘的夹角为30°、37°、40°、41°、45°、50°、57°、60°等角度；在第一区段122a的延伸方向相对于触控面板12的外侧边缘倾斜时，第二区段122b的延伸方向与触控面板12的外侧边缘的夹角为30°、37°、40°、41°、45°、50°、57°、60°等角度。
请参阅图5与图12，在某些实施方式中，第一区段122a的延伸方向与第二区段122b的延伸方向垂直或平行。
可以理解，第一区段122a的延伸方向与第二区段122b的延伸方向可以互相垂直(如图5所示)或互相平行(如图12所示)，如此可形成结构较为规则的重叠区124，如重叠区124的外部轮廓可以为矩形、正方形、平行四边形等。
请参阅图4，在某些实施方式中，触控单元122的数量为多个，多个触控单元122呈阵列排布。
多个触控单元122呈阵列排布便于设置，有利于形成规则的触控面板12，使得每个触控单元122之间更为紧凑，提高触控面板12的空间利用率以设置更多的触控单元122，可以更好的感应外界的触控操作，对外界的触控感应更为精细与精确。
请参阅图2及图10，在某些实施方式中，触控单元122形成有多个重叠区124，触控单元122包括多个第一区段122a及多个第二区段122b，至少一个第一区段122a的延伸方向相对于触控面板12的外侧边缘倾斜；及/或至少一个第二区段122b的延伸方向相对于触控面板12的外侧边缘倾斜。多个第一区段122a与多个第二区段122b分别对应交叉重叠，形成多个重叠区124。
至少一个第一区段122a的延伸方向相对于触控面板12的外侧边缘倾斜及/或至少一个第二区段122b的延伸方向相对于触控面板12的外侧边缘倾斜，可以理解为：至少一个第一区段122a的延伸方向相对于触控面板12的外侧边缘倾斜，至少一个第二区段122b的延伸方向相对于触控面板12的外侧边缘倾斜；或，至少一个第一区段122a的延伸方向相对于触控面板12的外侧边缘倾斜，第二区段122b的延伸方向相对于触控面板12的外侧边缘可以倾斜或不倾斜；或，第一区段122a的延伸方向相对于触控面板12的外侧边缘可以倾斜或不倾斜，至少一个第二区段122b的延伸方向相对于触控面板12的外侧边缘倾斜。
如此，多个第一区段122a、多个第二区段122b可组成多种相对于触控面板12的外侧 边缘倾斜的重叠区124，进一步形成具备变化和组合的触控面板12，以适应更多的触控面板12的不同需求，进一步的提高触控面板12的消影效果以提升触控显示屏10的显示质量。
在某些实施方式中，多个第一区段122a的形状相同或不相同；及/或多个第二区段122b的形状相同或不相同。
具体地，多个第一区段122a的形状相同或不相同及/或多个第二区段122b的形状相同或不相同可以理解为：多个第一区段122a的形状相同，多个第二区段122b的形状相同；或，多个第一区段122a的形状不相同，多个第二区段122b的形状相同；或，多个第一区段122a的形状不相同，多个第二区段122b的形状不相同；或，多个第一区段122a的形状相同，多个第二区段122b的形状不相同。
如此，相同形状或不相同形状的多个第一区段122a与多个第二区段122b有着更多的组合，可以形成更多形状的重叠区124，进一步形成有着多种内部形状的触控单元122，以适应更多的触控面板12的不同需求。
在某些实施方式中，第一电极1224及/或第二电极1226的材料包括金属导电材料，金属导电材料包括氧化铟锡(Indium tin oxide，ITO)、纳米银(Nano-Ag)、钛铝钛或钼铝钼中的至少一种。
如此，第一电极1224与第二电极1226有着多种可选材料和多种材料的组合，有利于形成更多种类的触摸面板12，以适应不同的需求。
具体地，氧化铟锡具有较好的导电性和透明性，能减少对人体有害的电子辐射及紫外线、红外线等，可喷涂在玻璃、塑料及电子显示屏上用作透明导电薄膜。纳米银具备良好的导电性，可将涂覆于基板上形成导电薄膜。钛铝钛、钼铝钼材料可由Metal-Mesh技术制作成金属网格形状，例如可制成单层金属网格应用至触控单元122中，或多层金属网格叠加在一起应用于触控单元122。Metal-Mesh技术可以将导电金属材料形成于不同的绝缘基材上，如玻璃基板、聚对苯二甲酸乙二醇酯(Polyethylene terephthalate，PET)、聚甲基丙烯酸甲酯(Polymethyl methacrylate，PMMA)等，Metal-Mesh技术所制成的金属网格的方阻较小，在触控显示屏10中的走线电阻较小，可提升触控显示屏10的尺寸和降低功耗。
优选的，第一电极1224与第二电极1226采用透明金属导电材料，能够进一步消除触控单元122对环境光和触控显示屏10内部光线的反射，从而增强消影效果。
在一个实施例中，当第一电极1224与第二电极1226均采用氧化铟锡材料制作时，可以使用如磁控溅射、化学气相沉积或溶胶-凝胶的工艺来形成氧化铟锡膜层，并利用掩模工艺来制作第一电极1224与第二电极1226在绝缘层1222相背的两侧。
请参阅图5与图6，在某些实施方式中，触控单元122包括单个第一区段122a及单个 第二区段122b，第一区段122a的延伸方向与第二区段122b的延伸方向互相垂直。
具体地，第一区段122a的延伸方向与第二区段122b的延伸方向互相垂直，第一电极1224和第二电极1226的之间的距离和夹角容易调节，有利于改变第一电极1224与第二电极1226的基础互容值和触摸后互容值，以调整触控单元122的容值量，使触控面板12的触控感应更为迅速精准。更多的，重叠区124大致呈较为规则的正方形状。
请进一步结合图2，在某些实施方式中，触控面板12的外侧边缘包括沿第一方向延伸的第一边缘126及沿第二方向延伸的第二边缘128，第一边缘126与第二边缘128垂直，第一区段122a与第一边缘126的夹角为45°，第二区段122b与第二边缘128的夹角为45°。
第一区段122a与第一边缘126的夹角为45°，第二区段122b与第二边缘128的夹角为45°，又第一边缘126与第二边缘128垂直，因此第一区段122a与第二区段122b可互相垂直以形成规则与紧凑的重叠区124，以进一步的形成规则紧凑的触控单元122、触控面板12与触控显示屏10，并且可进一步的增强消影效果。
显示面板14可以呈矩形、圆角矩形等形状，符合用户的使用习惯，并且便于显示面板14的生产，当然，在其他的实施例中，显示面板14不限于矩形、圆角矩形等形状，在此不做限制。
请参阅图7，在某些实施方式中，触控单元122包括单个第一区段122a及单个第二区段122b，第一区段122a包括多个沿不同方向延伸的第一子区段122c。
第一区段122a包括多个沿不同方向延伸的第一子区段122c，可与单个第二区段122b组合成结构更多变化的重叠区124，以形成多种结构的触控单元122。在图7所示的实施例中，第一子区段122c的数量为两个，第一区段122a与第二区段122b之间具备一定的组合变化，结构也相对简单；在更多的实施例中，第一子区段122c的数量可以为三个、四个、五个等更多的数量，以与第二区段122b形成更多的结构组合，使重叠区124具备更多的结构变化，同时可进一步增强消影效果。
在另一个实施例中，触控单元122包括单个第一区段122a及单个第二区段122b，第二区段122b包括多个沿不同方向延伸的第二子区段(图未示)。
请结合图2及图7，在某些实施方式中，触控面板12的外侧边缘包括沿第一方向延伸的第一边缘126及沿第二方向延伸的第二边缘128，多个第一子区段122c的延伸方向相对于第二边缘128倾斜。
多个第一子区段122c的延伸方向相对于第二边缘128倾斜可以提升第一区段122a的面积，以提升第一电极1224的面积，可对从第一电极1224边缘折射或反射的光线起到分散和吸收作用，进一步的增强消影效果。
请继续参考图2及图7，在某些实施方式中，第一边缘126与第二边缘128垂直，第二区段122b的延伸方向与第一边缘126平行。
第二区段122b的延伸方向与第一边缘126平行，第二区段122b与延伸方向相对于第二边缘128倾斜的第一子区段122c配合时，可满足触控单元122消影效果，确保触控显示屏10的显示质量。当然，在更多的实施方式中，第二区段122b的延伸方向与第一边缘126可不平行，在此不做限制。
请参阅图9，在某些实施方式中，第一电极1224包括多个第一区段122a，多个第一区段122a的延伸方向互相平行，第二电极1226包括多个第二区段122b，多个第二区段122b的延伸方向互相平行。
多个第一区段122a的延伸方向互相平行，多个第二区段122b的延伸方向互相平行，如此可形成边缘较为规则的重叠区124，如菱形、平行四边形等形状，第一电极1224与第二电极1226也便于制作。
在图9所示的实施方式中，第一区段122a与第二区段122b的数量均为两个，第一区段122a与第二区段122b便于互相组合和设置，并且具备一定的结构变化；在更多的实施方式中，第一区段122a与第二区段122b的数量可为更多，如三个、四个、五个等，以进一步提升第一电极1224与第二电极1226的组合，如此可进一步增强触控面板12的消影效果。
请结合图2，在某些实施方式中，触控面板12的外侧边缘包括沿第一方向延伸的第一边缘126及沿第二方向延伸的第二边缘128，多个第一区段122a的延伸方向相对于第一边缘126倾斜及/或多个第二区段122b的延伸方向相对于第二边缘128倾斜。
多个第一区段122a的延伸方向相对于第一边缘126倾斜、并且多个第二区段122b的延伸方向相对于第二边缘128倾斜可以进一步的增强触控单元122与触控面板12的消影效果，有利于调整触控单元122的容值量，并有利于调整触控面板12在重叠区124走线来调整整体触控面板12的阻值，以满足触控显示屏10和终端100的功耗要求。
多个第一区段122a的延伸方向相对于第一边缘126倾斜及/或多个第二区段122b的延伸方向相对于第二边缘128倾斜，可以理解为：多个第一区段122a的延伸方向相对于第一边缘126倾斜及多个第二区段122b的延伸方向相对于第二边缘128倾斜；或，多个第一区段122a的延伸方向相对于第一边缘126倾斜，至少一个第二区段122b的延伸方向未相对于第二边缘128倾斜；或，至少一个第一区段122a的延伸方向未相对于第一边缘126倾斜，多个第二区段122b的延伸方向相对于第二边缘128倾斜。
请参阅图10与图11，在某些实施方式中，第一电极1224包括多个第一区段122a，至少两个第一区段122a的形状不相同，第二电极1226包括多个第二区段122b，多个第二区 段122b的延伸方向互相平行。
多个第二区段122b的延伸方向互相平行使得第二电极1226的结构较为规则，便于第二电极1226的制作。多个形状不同的第一区段122a可与多个第二电极1226相互组合，以形成多个形状不同的重叠区124，提高触控单元122的形状变化，以适应更多的需求，提升触控显示屏10的适应性。
请结合图2，在某些实施方式中，触控面板12的外侧边缘包括沿第一方向延伸的第一边缘126及沿第二方向延伸的第二边缘128，多个第二区段122b的延伸方向相对于第一边缘126倾斜，至少一个第一区段122a的延伸方向相对于第二边缘128倾斜，至少一个第一区段122a包括多个沿不同方向延伸的第一子区段122c。
如此，可进一步的增强触控面板12的消影效果，确保触控显示屏10的显示质量。第一区段122a与第二区段122b有着更多的结构组合和变化，可形成更多形状的重叠区124，有利于调整触控单元122的容值量，以及有利于调整触控面板12在重叠区124的走线来调整整体触控面板12的阻值，以满足触控显示屏10和终端100的功耗要求。
第一方向可以为水平方向，第二方向可以为竖直方向，第一方向与第二方向互相垂直，如此显示面板14的结构更为规则，也便于生产制作。
请继续结合图10，在某些实施方式中，至少一个第一区段122a包括三个沿不同方向延伸的第一子区段122c，三个第一子区段122c连接呈Z字形，其中一个第一子区段122c的延伸方向与第二区段122b的延伸方向相同。
三个第一子区段122c连接形成Z字形的第一区段122a，Z字形使第一区段122a与第二区段122b有着更多的结构组合，以形成更多形状不同的重叠区124，重叠区124如可呈正方形、长方形、菱形和平行四边形等规则或不规则的形状，提高触控单元122的形状变化，触控显示屏10可适应更多的需求，也可进一步的增强触控单元122与触控面板12的消影效果。并且不同第一子区段122c组合所形成的重叠区124有利于调整触控单元122的容值量，有利于调整触控面板12在重叠区124走线来调整整体触控面板12的阻值，以满足触控显示屏10和终端100的功耗要求。当然，三个第一子区段122c所形成的第一区段122a不限于上述提到的Z字形，在具体的实施方式中具体设置即可。
在一个实施例中，多个第一区段122a的形状相同，多个第二区段122b的形状不相同。
请参阅图2，本申请实施方式的触控显示屏10包括显示面板14及触控面板12，触控面板12设置于显示面板14下或者设置于显示面板14上，并用于与显示面板14结合。
触控面板12可通过介质如光学胶来与显示面板14粘合在一起，光学胶不仅粘接固定触控面板12及显示面板14，还可以透过触控面板12发出的光线。触控面板12可选用对可见 光的透光率大于90％的材料，有利于触控显示屏10较好地展现内容效果。触控面板12可接收用户在触碰触控显示屏10的动作并产生输入信号，输入信号可进一步被传送到处理器(图未示)进行数据处理，从而获得用户触碰触控显示屏10的具体位置。
在图2所示的实施方式中，触控面板包括操作区(Active Area，AA)，显示面板包括显示区(View Area，VA)，操作区与显示区的边缘互相平行，因此，重叠区124的至少一条边缘相对于显示区的边缘倾斜。显示面板14包括相互垂直的第三边缘142与第四边缘144，显示面板14的第三边缘142与触控面板12的第一边缘126平行，第四边缘144与第二边缘128平行。
在其他实施方式中，显示面板14的第三边缘142与第四边缘144与触控面板12的第一边缘126与第二边缘128不全相互平行，或均不相互平行。
在某些实施方式中，显示面板14包括有机发光二极管(Organic Light-Emitting Diode,OLED)显示屏或液晶显示屏(Liquid Crystal Display，LCD)。
具体地，OLED显示屏具有自发光性、视角较大、对比度较高、耗电较低、反应速率较高、全彩化及制程简单等优点。LCD有着使用电压较低、功耗较低、体积较小、无眩光、不刺激人眼、显示信息量大、易于彩色化、无电磁辐射、使用长寿命较长等优点。OLED与LCD的应用较为广泛，有利于触控面板12及触控显示屏10满足不同需求。
在某些实施方式中，触控显示屏10的封装技术包括外挂式触控屏封装技术与薄膜封装技术。
具体地，触控显示屏10的外挂形式包括G/G结构、G/F/F结构、GF或GTM结构和OGS结构等，其中设有ITO的载体如玻璃、基材薄膜等所形成的结构即触控面板12。薄膜封装技术(Thin Film Encapsulation，TFE)可将触控面板12直接设置于触控显示屏10的封装层上(Touch on TFE)呈一体结构，以提高触摸显示屏10的质量。TFE技术所制成的结构是通过无机与有机材料的层叠设置形成，所封装的触控显示屏10有着较高的一体性，有利于隔绝水气杂质等外界干扰，可提升触控面板12的质量，保证触控面板12的使用寿命。
请参阅图1，本申请实施方式的终端100包括壳体20及触控显示屏10，触控显示屏10承载于壳体20内。
具体地，壳体20内可形成有容置触控显示屏10的容置空间(图未示)，壳体20可设置承载结构以固定触控显示屏10，触控显示屏10还通过光学胶粘附于壳体20的内壁或对应的结构上，以固定于壳体20内。壳体20可采用玻璃、金属、陶瓷、蓝宝石或塑料等材料制成，以上材料既具备较高的强度，也便于获取和生产制作。
在本说明书的描述中，参考术语“一个实施方式”、“某些实施方式”、“示意性实施 方式”、“示例”、“具体示例”、或“一些示例”等的描述意指结合所述实施方式或示例描述的具体特征、结构、材料或者特点包含于本申请的至少一个实施方式或示例中。在本说明书中，对上述术语的示意性表述不一定指的是相同的实施方式或示例。而且，描述的具体特征、结构、材料或者特点可以在任何的一个或多个实施方式或示例中以合适的方式结合。
尽管已经示出和描述了本申请的实施方式，本领域的普通技术人员可以理解：在不脱离本申请的原理和宗旨的情况下可以对这些实施方式进行多种变化、修改、替换和变型，本申请的范围由权利要求及其等同物限定。

Claims (21)

  1. 一种触控面板，其特征在于，所述触控面板包括触控单元，所述触控单元包括：
    绝缘层；
    设置在所述绝缘层的一侧的第一电极；及
    设置在所述绝缘层的相对另一侧的第二电极，所述第一电极与所述第二电极在所述绝缘层上的正投影形成重叠区，所述第一电极包括与所述重叠区对应的第一区段，所述第二电极包括与所述重叠区对应的第二区段，所述第一区段的延伸方向，及/或所述第二区段的延伸方向相对于所述触控面板的外侧边缘倾斜。
  2. 根据权利要求1所述的触控面板，其特征在于，在所述第一区段的延伸方向相对于所述触控面板的外侧边缘倾斜时，所述第一区段的延伸方向与所述触控面板的外侧边缘的夹角为(0°，90°)或(90°，180°)或(180°，270°)或(270°，360°)；
    在所述第二区段的延伸方向相对于所述触控面板的外侧边缘倾斜时，所述第二区段的延伸方向与所述触控面板的外侧边缘的夹角为(0°，90°)或(90°，180°)或(180°，270°)或(270°，360°)。
  3. 根据权利要求1所述的触控面板，其特征在于，在所述第一区段的延伸方向相对于所述触控面板的外侧边缘倾斜时，所述第一区段的延伸方向与所述触控面板的外侧边缘的夹角为[30°，60°]；
    在所述第二区段的延伸方向相对于所述触控面板的外侧边缘倾斜时，所述第二区段的延伸方向与所述触控面板的外侧边缘的夹角为[30°，60°]。
  4. 根据权利要求1所述的触控面板，其特征在于，所述重叠区的至少一条边缘相对于所述触控面板的外侧边缘倾斜。
  5. 根据权利要求1所述的触控面板，其特征在于，所述第一区段的延伸方向与所述第二区段的延伸方向垂直或平行。
  6. 根据权利要求1所述的触控面板，其特征在于，所述触控单元的数量为多个，多个所述触控单元呈阵列排布。
  7. 根据权利要求1所述的触控面板，其特征在于，所述触控单元形成有多个重叠区，所述触控单元包括多个所述第一区段及多个所述第二区段，至少一个所述第一区段的延伸方向相对于所述触控面板的外侧边缘倾斜；及/或至少一个所述第二区段的延伸方向相对于所述触控面板的外侧边缘倾斜。
  8. 根据权利要求7所述的触控面板，其特征在于，多个所述第一区段的形状相同或不相同；及/或多个所述第二区段的形状相同或不相同。
  9. 根据权利要求1所述的触控面板，其特征在于，所述触控单元包括单个所述第一区段及单个所述第二区段，所述第一区段的延伸方向与所述第二区段的延伸方向互相垂直。
  10. 根据权利要求9所述的触控面板，其特征在于，所述触控面板的外侧边缘包括沿第一方向延伸的第一边缘及沿第二方向延伸的第二边缘，所述第一边缘与所述第二边缘垂直，所述第一区段与所述第一边缘的夹角为45°，所述第二区段与所述第二边缘的夹角为45°。
  11. 根据权利要求1所述的触控面板，其特征在于，所述触控单元包括单个所述第一区段及单个所述第二区段，所述第一区段包括多个沿不同方向延伸的第一子区段。
  12. 根据权利要求11所述的触控面板，其特征在于，所述触控面板的外侧边缘包括沿第一方向延伸的第一边缘及沿第二方向延伸的第二边缘，多个所述第一子区段的延伸方向相对于所述第二边缘倾斜。
  13. 根据权利要求12所述的触控面板，其特征在于，所述第一边缘与所述第二边缘垂直，所述第二区段的延伸方向与所述第一边缘平行。
  14. 根据权利要求1所述的触控面板，其特征在于，所述第一电极包括多个所述第一区段，多个所述第一区段的延伸方向互相平行，所述第二电极包括多个所述第二区段，多个所 述第二区段的延伸方向互相平行。
  15. 根据权利要求14所述的触控面板，其特征在于，所述触控面板的外侧边缘包括沿第一方向延伸的第一边缘及沿第二方向延伸的第二边缘，多个所述第一区段的延伸方向相对于所述第一边缘倾斜；
    及/或，多个所述第二区段的延伸方向相对于所述第二边缘倾斜。
  16. 根据权利要求1所述的触控面板，其特征在于，所述第一电极包括多个所述第一区段，至少两个所述第一区段的形状不相同，所述第二电极包括多个所述第二区段，多个所述第二区段的延伸方向互相平行。
  17. 根据权利要求16所述的触控面板，其特征在于，所述触控面板的外侧边缘包括沿第一方向延伸的第一边缘及沿第二方向延伸的第二边缘，多个所述第二区段的延伸方向相对于所述第一边缘倾斜，至少一个所述第一区段的延伸方向相对于所述第二边缘倾斜，至少一个所述第一区段包括多个沿不同方向延伸的第一子区段。
  18. 根据权利要求17所述的触控面板，其特征在于，至少一个所述第一区段包括三个沿不同方向延伸的第一子区段，三个所述第一子区段呈Z字形，至少一个所述第一子区段的延伸方向与所述第二区段的延伸方向相同。
  19. 一种触控显示屏，其特征在于，包括：
    显示面板；及
    权利要求1-18任一项所述的触控面板，所述触控面板与所述显示面板层叠设置。
  20. 根据权利要求19所述的触控显示屏，其特征在于，所述显示面板包括显示区，所述重叠区的至少一条边缘相对于所述显示区的边缘倾斜。
  21. 一种终端，其特征在于，包括：
    壳体；及
    权利要求19-20任一项所述的触控显示屏，所述触控显示屏承载于所述壳体内。
PCT/CN2018/115072 2018-11-12 2018-11-12 触控面板、触控显示屏与终端 Ceased WO2020097763A1 (zh)

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