WO2020124791A1 - Panneau tactile et son procédé de fabrication - Google Patents

Panneau tactile et son procédé de fabrication Download PDF

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Publication number
WO2020124791A1
WO2020124791A1 PCT/CN2019/076705 CN2019076705W WO2020124791A1 WO 2020124791 A1 WO2020124791 A1 WO 2020124791A1 CN 2019076705 W CN2019076705 W CN 2019076705W WO 2020124791 A1 WO2020124791 A1 WO 2020124791A1
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WO
WIPO (PCT)
Prior art keywords
electrodes
electrode
prismatic
touch panel
panel according
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Application number
PCT/CN2019/076705
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English (en)
Chinese (zh)
Inventor
冯校亮
Original Assignee
武汉华星光电半导体显示技术有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Application filed by 武汉华星光电半导体显示技术有限公司 filed Critical 武汉华星光电半导体显示技术有限公司
Priority to US16/468,677 priority Critical patent/US20200201486A1/en
Publication of WO2020124791A1 publication Critical patent/WO2020124791A1/fr

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Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
    • G06F3/044—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2203/00—Indexing scheme relating to G06F3/00 - G06F3/048
    • G06F2203/041—Indexing scheme relating to G06F3/041 - G06F3/045
    • G06F2203/04103—Manufacturing, i.e. details related to manufacturing processes specially suited for touch sensitive devices

Definitions

  • the present application relates to the field of touch technology, in particular to a touch panel and a manufacturing method thereof.
  • the touch electrodes all choose to use a metal grid structure, and their flexibility and electrical conductivity meet the needs of the flexible display screen.
  • the metal wire due to the opacity of the metal, when making the metal grid, the metal wire must be placed in the non-display area or the metal wire should be made very thin. Both methods will place high requirements on the process and equipment, making equipment investment Huge, indirectly caused the increase in product costs.
  • Indium tin oxide Indium Tin Oxide (ITO) is a common choice as a touch electrode for non-flexible screens.
  • ITO Indium Tin Oxide
  • ITO Indium Tin Oxide
  • using indium tin oxide as a touch electrode has the problem of high brittleness. The indium tin oxide electrode cannot adapt to the flexibility of the flexible screen to the touch electrode Claim.
  • the purpose of the present application is to provide a touch panel and a manufacturing method thereof.
  • the touch unit of the touch panel has good flexibility.
  • a touch panel, the touch panel includes:
  • a plurality of first electrodes, the first electrodes are formed on the substrate;
  • a plurality of second electrodes, the second electrodes are formed on the insulating layer, and the second electrodes are alternately connected in series with the first electrodes through the via holes to form a touch unit.
  • the touch unit is a prismatic electrode.
  • the shape of the first electrode constituting the prismatic electrode is at least one of square, rectangular, prismatic, circular, trapezoidal, and triangular
  • the shape of the second electrode is at least one of square, rectangular, prismatic, trapezoidal, circular, and triangular.
  • the prismatic electrode includes a first prismatic pattern composed of a plurality of the first electrodes and a second prismatic pattern formed by the plurality of second electrodes.
  • the portion where the vertical projection on the substrate coincides with the vertical projections of the plurality of first electrodes constituting the first prismatic pattern and the plurality of second electrodes constituting the second prismatic pattern on the substrate Completely coincide.
  • two adjacent prismatic electrodes in the same row are electrically connected by a first bridge line, and two adjacent prismatic electrodes in the same row are electrically connected by a second bridge line.
  • the first bridge line and the first electrode are manufactured through the same process and in the same layer
  • the second bridge line and the second electrode are manufactured through the same process and in the same layer
  • the first Two ends of a bridge line are respectively connected to the second electrodes in the two adjacent prismatic electrodes in the same row through the via holes to electrically connect the two adjacent prismatic electrodes in the same row
  • the two ends of the second bridge line are respectively connected to the first electrodes in the two adjacent prismatic electrodes in the same row through the via holes to make the two adjacent prismatic in the same row
  • the electrodes are electrically connected.
  • the insulating layer is an organic insulating layer.
  • the size of the first electrode is 1-40,000 square microns
  • the size of the second electrode is 1-40,000 square microns.
  • the preparation material of the first electrode is metal oxide or metal
  • the preparation material of the second electrode is metal oxide or metal
  • the metal oxide is indium tin oxide.
  • a method for manufacturing a touch panel includes the following steps:
  • a plurality of second electrodes are formed on the insulating layer, and the second electrodes are alternately connected in series with the first electrodes through the via holes to form a touch unit.
  • the touch unit includes a prismatic electrode.
  • the shape of the first electrode constituting the prismatic electrode is at least one of square, rectangular, prismatic, circular, trapezoidal, and triangular, constituting the prismatic electrode
  • the shape of the second electrode is at least one of square, rectangle, prism, trapezoid, circle and triangle.
  • the prismatic electrode includes a first prismatic pattern composed of a plurality of the first electrodes and a second prismatic pattern formed by the plurality of second electrodes, and the via A vertical projection on the substrate and a vertical projection of the plurality of first electrodes constituting the first prism pattern and the plurality of second electrodes constituting the second prism pattern on the substrate The parts that overlap coincide completely.
  • two adjacent prismatic electrodes in the same row are electrically connected by a first bridge line, and two adjacent prismatic electrodes in the same row are electrically connected by a second bridge line connection.
  • the first bridge line and the first electrode are manufactured in the same layer and the same layer
  • the second bridge line and the second electrode are manufactured in the same layer and the same layer
  • Both ends of the first bridge line are respectively connected to the second electrodes in the two adjacent prismatic electrodes in the same row through the via holes, so that the two adjacent prismatic electrodes in the same row Electrically connected
  • the two ends of the second bridge line are respectively connected to the first electrodes in the two adjacent prismatic electrodes in the same column through the via holes, so that the two adjacent electrodes in the same column
  • the prismatic electrodes are electrically connected.
  • the insulating layer is an organic insulating layer.
  • the size of the first electrode is 1-40,000 square microns
  • the size of the second electrode is 1-40,000 square microns
  • the first electrode is made of metal oxide or metal
  • the second electrode is made of metal oxide or metal
  • the metal oxide is indium tin oxide.
  • the present application provides a touch panel and a method for manufacturing the same.
  • a plurality of first electrodes and a plurality of second electrodes in small layers and located in different layers are alternately connected in series through via holes to form a touch unit, so that the touch of the touch panel
  • the control unit is flexible.
  • FIG. 1 is a schematic diagram of a touch unit on a conventional touch panel
  • FIG. 2 is a flowchart of a first embodiment of a method for manufacturing a touch panel of the present application
  • 3A-3E are schematic diagrams during the manufacturing process of the touch panel in FIG. 2.
  • Substrate 22 First electrode 23, 102 First bridge line 24 Insulation layer 25 Via 26 Second electrode 27, 103 Second bridge line 10 Touch unit 100 Transmitter electrode 101 Receive electrode
  • FIG. 1 it is a schematic diagram of a touch unit 10 on a conventional touch panel.
  • the touch unit 10 is a double-layer mutual-capacity touch electrode, which includes a transmitting electrode 100 and a receiving electrode 101.
  • the transmitting electrode 100 is a prismatic electrode
  • the two adjacent transmitting electrodes 100 are connected by a first bridge line 102
  • the receiving electrode 101 is a prismatic electrode
  • the two adjacent receiving electrodes 101 are connected by a second bridge line 103
  • the first bridge line 102 and the second bridge line 103 An insulating layer (not shown) is provided therebetween to insulate the transmitting electrode 100 and the receiving electrode 101.
  • the preparation materials of the transmitting electrode 100 and the receiving electrode 101 are indium tin oxide or a material that is easily bent and broken many times, the flexibility of the touch unit 10 is poor, which makes the touch unit 10 unsuitable for a flexible screen.
  • FIG. 2 is a flowchart of a first embodiment of a method for manufacturing a touch panel of the present application.
  • the manufacturing method includes the following steps:
  • the substrate 21 may be a flexible substrate or a rigid substrate.
  • Flexible substrates include but are not limited to polyimide (Polyimide, PI) substrate, cycloolefin polymer (Cyclo Olefin Polymer (COP) substrate, polyethylene terephthalate (PET) substrate, flexible organic light-emitting diode display (Organic Light-Emitting Display (OLED); rigid substrates include but are not limited to glass substrates, thin film transistor array substrates, liquid crystal panels and rigid OLEDs.
  • the first electrodes 22 are arranged on the substrate 21 in an array.
  • the first electrode 22 may be formed on the substrate 21 through a yellow photolithography process, a screen printing process, or other processes.
  • the first electrode 22 may be an indium tin oxide (Indium Tin Oxide) electrode, a metal mesh (Matal mesh), or other electrodes, that is, the first electrode 22 is made of metal oxide, metal, or other materials.
  • the shape of the first electrode 22 includes a square, a rectangle, a prism, a trapezoid, a circle, a triangle, or other irregular shapes, which is not specifically limited in this application.
  • the present application takes the first electrode 22 as a square indium tin oxide electrode.
  • the first electrodes 22 arranged in a plurality of arrays form a plurality of first prisms arranged in a row array and a column array Pattern, the size of the first prism pattern arranged in the column array is larger than that of the first prism pattern arranged in the row array, and the first bridge line 23 is arranged between two adjacent first prism patterns arranged in the row array,
  • the first bridge line 23 and the first electrode 22 are manufactured in the same process and in the same layer, as shown in FIG. 3A.
  • an ITO film layer is formed on the substrate 21 by a sputtering deposition process, and then a photoresist layer is formed on the ITO film layer, after the photoresist layer is exposed to light through the first mask plate, the exposure is treated with a developing solution After the photoresist layer, part of the photoresist layer is removed, the remaining photoresist layer covers the ITO film layer, the ITO film layer not covered by the photoresist layer is removed by an etching process, and then the remaining photoresist layer is removed to form A plurality of first electrodes 22 and first bridge lines 23 arranged in an array.
  • the size of the first electrode 22 is 1-200 microns square, that is, the size of the first electrode 22 is 1 to 40,000 square microns; the size of the first electrode 22 can be smaller to improve bending resistance, and the size of the first electrode 22 is 10-150 microns square, for example, the size of the first electrode 22 is 20 microns square, 50 microns square, 80 microns square or 120 microns square.
  • the small size of the first electrode 22 is beneficial to avoid cracks when the first electrode 22 is bent, that is, to improve the flexibility of the first electrode 22.
  • An insulating layer 24 provided with a plurality of vias 25 is formed on the plurality of first electrodes 22 and the substrate 21, and the vias 25 are provided above the first electrode 22.
  • Plasma enhanced chemical vapor deposition Plasma enhanced chemical vapor deposition (Plasma Enhanced Chemical Vapor) Deposition, PECVD), Chemical Vapor Deposition (Chemical Vapor Deposition, CVD), Atom Layer Deposit (ALD), sputter deposition, vacuum evaporation, inkjet printing (Ink-Jet Printing) or one of spin coating to form a full-surface insulating layer 24 on the first electrode 22 and the substrate 21;
  • a yellow photolithography process is used to form a plurality of vias 25 on the insulating layer 24.
  • the vias 25 are located above each first electrode 22.
  • the yellow photolithography process is the same as that in step S11 and will not be described in detail here.
  • the number and position of the vias 25 above each first electrode 22 depend on the shape of the first electrode 22, the position of the first electrode 22 in the first prismatic pattern, the shape of the second electrode formed later, and so on.
  • the first electrode 22 is located between two adjacent first prismatic patterns, and there is a via 25 above the corner of the first electrode 22 at the other two opposite top corners of the first prismatic pattern; There are two vias 25 above the first electrode 22 located on the edge of the first prismatic pattern, this via 25 is located above the corner of the adjacent first electrode 25; the first electrode inside the first prismatic pattern There are four vias 25 above the 22, and the vias 25 are located at the four corners of the first electrode 25, respectively.
  • the size of the via hole 25 is smaller than the size of the first electrode 22, which is not limited in this application.
  • the insulating layer 24 is an organic insulating layer, an inorganic insulating layer, or an overlapping layer of the organic insulating layer and the inorganic insulating layer.
  • Materials for preparing the organic insulating layer include but are not limited to polyimide and polyacrylate; materials for preparing the inorganic insulating layer include but are not limited to silicon nitride, silicon oxide or silicon oxynitride.
  • a plurality of second electrodes 26 are formed on the insulating layer 24.
  • the second electrodes 26 are alternately connected in series with the first electrodes 22 through the via holes 25 to form a touch unit.
  • the touch unit is one of a double-layer mutual capacitance electrode, a single-layer mutual capacitance electrode, and a single-layer self-capacitance electrode.
  • the touch unit is a double-layer mutual capacitance electrode.
  • the second electrodes 26 are arranged on the insulating layer 24 in an array.
  • the second electrode 26 may be an indium tin oxide (Indium Tin Oxide) electrode, a metal mesh (Matal mesh), or other electrodes, that is, the preparation material of the second electrode 26 is metal oxide, metal, or other materials.
  • the second electrode 26 may be formed on the insulating layer 24 through a yellow photolithography process, a screen printing process, or other processes and alternately serially connected with the first electrode 22 through a via 25 to form a touch unit.
  • the shape of the second electrode 26 includes a square, a rectangle, a prism, a circle, a trapezoid, a triangle, or other irregular shapes, which is not specifically limited in this application.
  • the shape of the second electrode 26 may be the same as or different from the shape of the first electrode 22, and the preparation material of the second electrode 26 may be the same as or different from the preparation material of the first electrode 22.
  • the second electrode is a square indium tin oxide electrode.
  • an entire ITO film layer is formed on the insulating layer 24, and the ITO film layer is processed through a yellow photolithography process to form a plurality of arrayed second electrodes 26 and second bridge lines 27, and a plurality of second electrodes 26
  • Forming a second prism pattern arranged in a row array and a column array the size of the second prism pattern arranged in a row array is larger than the size of the second prism pattern arranged in a column array, the second prism arranged in a row
  • the first prism pattern arranged in columns have the same size and the arrangement of the second electrodes 26 in the second prism pattern arranged in rows is the same as the arrangement of the first electrodes 22 in the first prism pattern arranged in columns
  • the arrangement is the same, the second prismatic pattern arranged in a column array has the same size as the first prism pattern in a row array, and the arrangement of the second electrodes 26 in the second pris
  • the second prismatic pattern composed of the plurality of second electrodes 26 is located above the first prismatic pattern formed by the plurality of first electrodes 22, and a second The second bridge connection 27, the second bridge connection 27 and the second electrode 26 are manufactured in the same process and on the same layer.
  • the second bridge connection 27 is located above the first bridge connection 23 and the two lines are perpendicular to each other, as shown in FIG. 3B .
  • the size of the second electrode 26 is 1-200 microns square, that is, the size of the second electrode 26 is 1-40,000 square microns; the size of the second electrode 26 can be smaller to improve bending resistance, and the size of the second electrode 26 is 10-150 microns square, for example, the size of the second electrode 26 is 20 microns square, 50 microns square, 80 microns square or 120 microns square.
  • the small size of the second electrode 26 is beneficial to avoid cracks when the second electrode 26 is bent, that is, to improve the flexibility of the second electrode 26.
  • FIG. 3C is a partial schematic view of the first electrode 22 and the second electrode 26 alternately connected in series on the touch panel to form a touch unit.
  • the first prismatic pattern composed of a plurality of first electrodes 22 and a plurality of The second prismatic pattern composed of the second electrode 26 constitutes a plurality of prismatic electrodes arranged in a row array and arranged in a row array.
  • the prismatic electrodes constitute a double-layer mutual-capacity touch unit, and the via 25 is perpendicular to the substrate 21
  • the portion where the projection coincides with the vertical projections of the plurality of first electrodes 22 constituting the first prismatic pattern and the plurality of second electrodes 26 constituting the second prismatic pattern on the substrate 21 completely overlaps.
  • FIG. 3D is a cross-sectional view of FIG. 3C along the A-A tangent direction
  • FIG. 3E is a cross-sectional view of FIG. 3C along the B-B tangent direction.
  • Both ends of the first bridge line 23 are respectively connected to the second electrode 26 in the two adjacent prismatic electrodes in the same row through a via 25 to electrically connect the two adjacent prismatic electrodes in the same row.
  • the two ends of the wiring 27 are respectively connected to the first electrodes 22 in the two adjacent prismatic electrodes in the same column through the via holes 25 to electrically connect the two adjacent prismatic electrodes in the same column, that is, the adjacent ones in the same row
  • the two prismatic electrodes are electrically connected through the first bridge line 23, and the two adjacent prismatic electrodes in the same row are electrically connected through the second bridge line 27.
  • the interaction force between the first electrode 22 and the second electrode 26 alternately connected in series is small, and the stress generated by the touch unit during bending is dispersed in multiple The first electrode 22 and the plurality of second electrodes 26, and the size of the first electrode 22 and the second electrode 26 is significantly reduced relative to the size of the receiving electrode 100 and the transmitting electrode 101 constituting the conventional touch unit, making the first The electrode 22 and the second electrode 26 have increased bending resistance, so the touch unit composed of the first electrode 22 and the second electrode 26 has flexibility and can avoid cracks during the bending process.
  • a plurality of first electrodes and a plurality of second electrodes located in different layers are connected in series alternately to form a touch unit, so that the touch unit constituting the touch panel has flexibility.
  • the present application also provides a touch panel manufactured by the above manufacturing method, the touch panel includes:
  • a plurality of first electrodes, the first electrodes are formed on the substrate;
  • An insulating layer is formed on the plurality of first electrodes and the substrate, the insulating layer is provided with a plurality of vias, the vias are located above the first electrode;
  • a plurality of second electrodes are formed on the insulating layer.
  • the second electrodes are alternately connected in series with the first electrodes through the via holes to form a touch unit.
  • the touch unit includes prismatic electrodes, and the prismatic electrodes are arranged in an array in rows and columns.
  • the touch unit may also be a square electrode, a rectangular electrode, or another shape of electrode.
  • the shape of the first electrode constituting the prismatic electrode is at least one of square, rectangular, prismatic, circular, trapezoidal and triangular
  • the shape of the second electrode constituting the prismatic electrode is square or rectangular , At least one of prismatic, trapezoidal, circular and triangular.
  • the prismatic electrode includes a first prismatic pattern composed of a plurality of first electrodes and a second prismatic pattern formed by a plurality of second electrodes.
  • the vertical projection of the via hole on the substrate is composed of the first prismatic shape
  • the first prismatic pattern composed of a plurality of first electrodes is arranged in an array in rows and columns
  • the second prismatic pattern composed of a plurality of second electrodes is arranged in an array in rows and columns, the second prism The pattern is located directly above the first prismatic pattern.
  • two adjacent prismatic electrodes in the same row are electrically connected by a first bridge line
  • two adjacent prismatic electrodes in the same column are electrically connected by a second bridge line.
  • the first bridge line and the first electrode are manufactured through the same process and in the same layer
  • the second bridge line and the second electrode are manufactured through the same process and in the same layer
  • the first bridge line and the two adjacent in the same row The second electrode in the prismatic electrode is connected through a via hole to electrically connect two adjacent prismatic electrodes in the same row
  • the second bridge line passes through the first electrode in the two adjacent prismatic electrodes in the same column
  • the holes are connected to electrically connect two adjacent prismatic electrodes in the same row.
  • the first electrode when the shape of the first electrode is square and the shape of the second electrode is square, the first electrode located on the edge of the first prismatic pattern and between the top corners of two adjacent first prismatic patterns Two vias are provided above, four vias are provided above the first electrode inside the first prismatic pattern, and one via is provided above the first electrode at the other vertex of the first prismatic pattern.
  • the first electrode is made of metal oxide or metal
  • the second electrode is made of metal oxide or metal.
  • the metal oxide is indium tin oxide.
  • the size of the first electrode and the second electrode is small, and the first electrode and the second electrode of different sizes and different layers are alternately connected in series to form a touch unit, so that the touch unit has flexibility.
  • the size of the first electrode is 1-200 microns square; the size of the first electrode can be smaller to improve bending resistance, the size of the first electrode is 10-150 microns square, for example, the first electrode
  • the size is 20 microns square, 50 microns square, 80 microns square or 120 microns square.
  • the size of the second electrode is 1-200 microns square; the size of the second electrode 26 can be smaller to improve bending resistance, the size of the second electrode is 10-150 microns square, for example, the size of the second electrode is 20 microns Square, 50 micron square, 80 micron square or 120 micron square.
  • the insulating layer is an organic insulating layer, an inorganic insulating layer, or an overlapping layer of the organic insulating layer and the inorganic insulating layer.
  • Materials for preparing the organic insulating layer include but are not limited to polyimide and polyacrylate; materials for preparing the inorganic insulating layer include but are not limited to silicon nitride, silicon oxide or silicon oxynitride.
  • the insulating layer is an organic insulating layer. While the organic insulating layer isolates the first electrode and the second electrode, when the touch panel is applied to a flexible screen, the foldability of the first electrode and the second electrode is further improved, that is, the first The flexibility of the touch unit composed of the electrode and the second electrode is further improved.
  • the insulating layer is composed of two organic insulating layers and an inorganic insulating layer between the two intermediate layers.
  • the insulation between the first electrode and the second electrode is further improved; on the other hand, the flexibility of the touch unit composed of the first electrode and the second electrode is further improved.
  • the touch panel further includes a second insulating layer, and the second insulating layer is formed on the plurality of second electrodes.
  • the second insulating layer is an organic insulating layer, an inorganic insulating layer, or an overlapping layer of the organic insulating layer and the inorganic insulating layer.
  • Materials for preparing the organic insulating layer include but are not limited to polyimide and polyacrylate; materials for preparing the inorganic insulating layer include but are not limited to silicon nitride, silicon oxide or silicon oxynitride.
  • the second insulating layer is an organic insulating layer.
  • the above-mentioned touch panel has a plurality of first electrodes and a plurality of second electrodes that are small in size and located in different layers alternately connected in series to form a touch unit, so that the touch unit constituting the touch panel has flexibility.
  • the plurality of first electrodes and the plurality of second electrodes on different layers are alternately connected in series to form a touch unit so that the thickness and area of the touch unit are increased, thereby reducing the resistance of the touch unit and improving the touch signal Sensitivity, which helps reduce touch energy consumption;
  • multiple first electrodes and multiple second electrodes are made of different layers and are provided with insulating layer intervals between each other, with better insulation effect, and there will be no electrode short circuit phenomenon, thereby improving Process stability, reduce the difficulty of process production.

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

Abstract

L'invention concerne un panneau tactile et son procédé de fabrication. Une pluralité de premières électrodes et une pluralité de secondes électrodes, qui sont de petite taille et situées à des couches différentes, sont alternativement connectées en série par des trous d'interconnexion pour former une unité tactile, de façon que l'unité tactile du panneau tactile soit flexible.
PCT/CN2019/076705 2018-12-19 2019-03-01 Panneau tactile et son procédé de fabrication WO2020124791A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US16/468,677 US20200201486A1 (en) 2018-12-19 2019-03-01 Touch panel and method of fabricating same

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201811559886.8 2018-12-19
CN201811559886.8A CN109508117B (zh) 2018-12-19 2018-12-19 触控面板

Publications (1)

Publication Number Publication Date
WO2020124791A1 true WO2020124791A1 (fr) 2020-06-25

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CN (1) CN109508117B (fr)
WO (1) WO2020124791A1 (fr)

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CN209417707U (zh) * 2019-04-02 2019-09-20 京东方科技集团股份有限公司 一种触控结构及触控显示装置
CN110377180B (zh) * 2019-07-22 2021-11-12 京东方科技集团股份有限公司 触控电极、触控结构、触控显示面板及触控显示装置
KR20230098448A (ko) 2021-12-24 2023-07-04 삼성디스플레이 주식회사 표시 장치

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