WO2016019636A1 - 导电薄膜、触摸面板及其制作方法、显示装置 - Google Patents
导电薄膜、触摸面板及其制作方法、显示装置 Download PDFInfo
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/044—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
- G06F3/0445—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
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/0412—Digitisers structurally integrated in a display
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/044—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
- G06F3/0446—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
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- 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
- G06F3/045—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means using resistive elements, e.g. a single continuous surface or two parallel surfaces put in contact
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/133345—Insulating layers
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/13338—Input devices, e.g. touch panels
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1343—Electrodes
- G02F1/13439—Electrodes characterised by their electrical, optical, physical properties; materials therefor; method of making
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F2202/00—Materials and properties
- G02F2202/28—Adhesive materials or arrangements
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- 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
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- 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
- G06F2203/04112—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
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
- H10K59/40—OLEDs integrated with touch screens
Definitions
- Embodiments of the present invention relate to a conductive film, a touch panel, a method of fabricating the same, and a display device.
- Touch screen also known as “touch screen” is the most simple, convenient and natural way of human-computer interaction. It gives multimedia a new look and is an attractive new multimedia interactive device.
- the touch screen includes a touch panel and a display panel, and the touch panel and the display panel are separately formed, and then the touch panel is integrated on an LCD (Liquid Crystal Display) panel to form an LCD touch screen, and the touch panel can also be integrated in an OLED (Organic Light- An OLED touch screen is formed on the display panel of the Emitting Diode (organic light emitting diode).
- LCD Liquid Crystal Display
- OLED Organic Light- An OLED touch screen is formed on the display panel of the Emitting Diode (organic light emitting diode).
- Embodiments of the present invention provide a conductive film, a touch panel, a method of fabricating the same, and a display device.
- a conductive film comprising a topological insulator, the conductive film being a two-dimensional nanostructure.
- Embodiments of the present invention provide a touch panel including a substrate substrate and driving electrodes and sensing electrodes formed on the substrate substrate that are not in contact with each other, wherein the driving electrodes and the sensing electrodes are adhered by an adhesive layer On the base substrate; the driving electrode and/or the sensing electrode are formed by the conductive film provided by the embodiment of the invention.
- the embodiment of the invention provides a method for manufacturing a touch panel, including:
- the sensing electrode pattern is adhered to the sensing electrode region on the base substrate through the second adhesive layer, wherein the sensing electrode pattern and the driving electrode pattern not in contact.
- the embodiment of the invention provides a display device, which comprises a display panel and the touch panel provided by the embodiment of the invention.
- FIG. 1 is a schematic diagram of a touch panel driving electrode and a sensing electrode
- FIG. 2 is a schematic cross-sectional view of a touch panel
- FIG. 3 is a schematic diagram of a touch principle of a capacitive touch panel
- FIG. 4 is a schematic diagram of a two-dimensional diamond structure of a conductive film according to an embodiment of the present invention.
- FIG. 5 is a schematic diagram of a touch panel according to an embodiment of the present invention.
- FIG. 6 is a schematic diagram of another touch panel according to an embodiment of the present disclosure.
- FIG. 7 is a schematic diagram of a method for fabricating a touch panel according to an embodiment of the present invention.
- FIG. 8 is a schematic diagram of a method for fabricating an electrode pattern of a topological insulator forming a two-dimensional nanostructure according to an embodiment of the present invention
- FIG. 9 is a schematic diagram of another method for fabricating a touch panel according to an embodiment of the present invention.
- the touch panel includes a plurality of driving electrodes 11 arranged along the first direction 101 and a plurality of sensing electrodes 21 arranged along the second direction 102.
- an insulating layer 12 is further disposed between the driving electrode 11 and the sensing electrode 21 for insulating the driving electrode 11 and the sensing electrode 21.
- FIG. 3 taking the capacitive touch panel as an example, when the finger 30 touches the screen, the capacitances of the driving electrode 11 and the sensing electrode 21 at the touch position may change, so that the touch position can be detected and the touch function can be realized.
- the driving and sensing electrodes of the touch panel are generally formed by a transparent conductive oxide (TOC), such as ITO (Indium tin oxide) to form a driving electrode and a sensing electrode.
- TOC transparent conductive oxide
- ITO Indium tin oxide
- the ITO film has a large resistance value, so the touch response rate is slow and it is easy to generate heat, and the power consumption is large.
- Embodiments of the present invention provide a conductive film.
- the material for forming the conductive film includes a topological insulator, and the conductive film is a two-dimensional nano structure.
- Topological insulators are a new form of matter that has recently been recognized.
- the physical energy band structure of the topological insulator has the same energy gap at the Fermi level as the ordinary insulator, but at its boundary or surface, it is a band-free Dirac type spin non-degenerate conduction.
- the edge state which is the most unique property that distinguishes it from ordinary insulators. Such a conductive edge state is stable, in which information can be transmitted through electron spins instead of passing charges like conventional materials. Therefore, the topological insulator has better electrical conductivity and does not cause dissipation or heat generation.
- the material for forming the conductive film comprises a topological insulator, and the conductive film is a two-dimensional nanostructure, that is, the conductive film is a two-dimensional nanostructure topological insulator, that is, a nano-sized thickness film formed by a topological insulator.
- the conductive film may be a two-dimensional nano film formed of a topological insulator, a two-dimensional nanosheet, a two-dimensional nanobelt, or the like.
- the topological insulator of two-dimensional nanostructure has the ultra-high specific surface area and the controllability of the energy band structure, which can significantly reduce the proportion of bulk carriers and highlight the topological surface state, and thus the conductivity is better.
- the topological insulator of the two-dimensional nanostructure is more suitable for the display device because of its high flexibility similar to the graphene structure and the high transmittance which is invisible to the naked eye.
- Embodiments of the present invention provide a conductive film which is a two-dimensional nanostructure topological insulator. Such a conductive film has excellent electrical conductivity and does not even have a long electrical conduction time. heat.
- the conductive film is a two-dimensional strip-shaped nanostructure or a two-dimensional diamond-shaped nanostructure, and the two-dimensional diamond-shaped nanostructure can be as shown in FIG.
- the conductive film can also be a two-dimensional network nanostructure.
- the two-dimensional network nanostructure has a plurality of meshes arranged in an array.
- the mesh may be a diamond, a regular quadrangle, or a regular hexagon.
- the topological insulator comprises HgTe, Bi x Sb 1-x , Sb 2 Te 3 , Bi 2 Te 3 , Bi 2 Se 3 , T l BiTe 2 , T l BiSe 2 , Ge 1 Bi 4 Te 7 , Ge 2 At least one of Bi 2 Te 5 , Ge 1 Bi 2 Te 4 , AmN, PuTe, a single layer of tin, and a single layer of tin variant material.
- Ge 1 Bi 4 Te 7 , Ge 2 Bi 2 Te 5 and Ge 1 Bi 2 Te 4 are chalcogenides.
- AmN and PuTe belong to topological insulators with strong interactions.
- the topological insulator can also be other materials such as a ternary Hessler compound.
- Topological insulators include HgTe, Bi x Sb 1-x , Sb 2 Te 3 , Bi 2 Te 3 , Bi 2 Se 3 , T l BiTe 2 , T l BiSe 2 , Ge 1 Bi 4 Te 7 , Ge 2 Bi 2 Te 5 At least one of Ge 1 Bi 2 Te 4 , AmN, PuTe, a single layer of tin, and a single layer of tin variant material, ie, the topological insulator may be HgTe or Bi x Sb 1-x or Sb 2 Te 3 or Bi 2 Te 3 or Bi 2 Se 3 or T l BiTe 2 or T l BiSe 2 or Ge 1 Bi 4 Te 7 or Ge 2 Bi 2 Te 5 or Ge 1 Bi 2 Te 4 or AmN or PuTe or a single layer of tin or a single layer of tin
- the variant material may also be a mixed material formed of two or more of the above materials, and may be, for example, a mixed material formed of two of the above materials.
- the topological insulator is a single layer of tin or a single layer of tin of a variant material.
- a single layer of tin is a two-dimensional material with only one tin atom thickness, and the atomic layer thickness makes it have a good light transmittance. Similar to graphene, the single-layer tin topological insulator also has good toughness and high transmittance.
- Single-layer tin atoms can reach nearly 100% conductivity at room temperature and may become a superconductor material.
- a single layer of tin variant material is formed by surface modification or magnetic doping of a single layer of tin.
- Surface modification of a single layer of tin may be accomplished by adding functional groups such as -F, -Cl, -Br, -I and -OH to a single layer of tin.
- a single-layer tin variant material is a tin-fluoride compound formed by surface-modifying a single layer of tin with a fluorine atom.
- F atoms are added to a single-layer tin atom structure, the conductivity of a single layer of tin can reach 100% at temperatures up to 100 ° C, and the properties are still stable.
- Embodiments of the present invention provide a touch panel including a substrate and a substrate a driving electrode and a sensing electrode that are not in contact with each other on the substrate, wherein the driving electrode and the sensing electrode are adhered to the substrate by an adhesive layer; the driving electrode and/or the sensing electrode are electrically conductive provided by the embodiment of the present invention Film formation.
- the capacitive touch screen determines whether there is a finger touch by calculating a change amount of the capacitance of the sensing electrode and the driving electrode before and after the finger touch. To achieve touch functionality.
- the driving electrode and the sensing electrode are not in contact, and the driving electrode and the sensing electrode may be disposed in the same layer, and the driving electrode is disconnected at a position corresponding to the sensing electrode so as not to be in contact with the sensing electrode. It is also possible that the driving electrode and the sensing electrode are located in different layers, and an insulating layer is formed between the driving electrode and the sensing electrode so that the driving electrode and the sensing electrode are not in contact. In the embodiment of the present invention, an insulating layer is further included between the driving electrode and the sensing electrode, and the insulating layer makes the driving electrode and the sensing electrode not contact as an example for detailed description.
- the driving electrode and/or the sensing electrode are topological insulators of two-dimensional nanostructures, that is, topological insulators in which only the driving electrodes are two-dimensional nanostructures; or, the sensing electrodes are only two-dimensional nanostructures topological insulators; And the sensing electrodes are topological insulators of two-dimensional nanostructures.
- a topological insulator in which the driving electrode and the sensing electrode are both two-dimensional nano structures is taken as an example for detailed description.
- the touch panel includes a base substrate 10 and drive electrodes 11 and sensing electrodes 21 formed on the base substrate 10 that are not in contact with each other, wherein the drive electrodes 21 and the sense electrodes 22 are topological insulators of two-dimensional nanostructures.
- the driving electrode 11 is adhered to the base substrate 10 through the first adhesive layer 13; the sensing electrode 21 is adhered to the film (ie, the insulating layer 12) of the base substrate through the second adhesive layer 14, wherein the driving electrode 11 and the sensing electrode 21
- the insulating layers 12 are not in contact with each other to be insulated.
- the drive electrode 11 and/or the sense electrode 21 are topological insulators having a two-dimensional nanostructure.
- the touch panel provided by the embodiment of the invention has a driving electrode and/or a sensing electrode as a two-dimensional nanostructure top insulator, which greatly reduces the resistance of the electrode and improves the touch response rate with respect to the electrode formed of ITO or metal. . Moreover, the electrode formed by the topological insulator of the two-dimensional nanostructure does not generate heat even when used for a long period of time, not only can reduce power consumption, but also avoid the problem that high temperature affects the performance of other devices.
- the touch panel further includes an insulating layer having an adhesive property, the insulating layer having an adhesive property being located between the driving electrode and the sensing electrode such that the driving electrode and the sensing electrode are not in contact and are located above the insulating layer The electrodes are adhered to the base substrate through the insulating layer.
- the "upper” and “lower” in the embodiments of the present invention are based on the order in which the film or layer structure is manufactured.
- the upper pattern refers to the pattern formed later, and the lower pattern refers to the relative formation. picture of.
- the insulating layer 12 has an adhesive property, and the sensing electrode 21 can be adhered to the insulating layer 12 and not in contact with the driving electrode 11 to be insulated. That is, the sensing electrode does not need to be adhered to the substrate by the second adhesive layer.
- the touch panel includes a driving electrode and a sensing electrode, and the driving electrode and the sensing electrode may be formed on the substrate substrate in a plurality of ways.
- the invention is not limited to the illustrated embodiments.
- the embodiment of the invention further provides a display device, which comprises a display panel and the touch panel provided by the embodiment of the invention.
- the display device may be a display device such as a liquid crystal display, an electronic paper, an OLED (Organic Light-Emitting Diode) display, and any display and touch functions of a television, a digital camera, a mobile phone, a tablet computer, and the like including the display device.
- Product or component may be a display device such as a liquid crystal display, an electronic paper, an OLED (Organic Light-Emitting Diode) display, and any display and touch functions of a television, a digital camera, a mobile phone, a tablet computer, and the like including the display device.
- a third adhesive layer is further included between the display panel and the touch panel, and the display panel and the touch panel are adhered together by the third adhesive layer.
- the third adhesive layer may be a double-sided tape or the like.
- the embodiment of the invention provides a method for manufacturing a touch panel. As shown in FIG. 7, the method includes:
- Step 101 Form a driving electrode pattern and/or a sensing electrode pattern of a two-dimensional nanostructured topological insulator.
- the OLED display device has only a topological insulator with a driving electrode as a two-dimensional nanostructure, it is only necessary to form a driving electrode pattern of a two-dimensional nanostructure using a topological insulator.
- the OLED display device only has a topological insulator with a two-dimensional nanostructure as the sensing electrode, it is only necessary to form a two-dimensional nanostructured sensing electrode pattern using the topological insulator.
- the driving electrode and the sensing electrode of the OLED display device are both topological insulators of two-dimensional nanostructures, the driving electrode pattern and the sensing electrode pattern of the two-dimensional nanostructure are formed by using the topological insulator.
- the manufacturing method of the above step 101 is illustrated, as shown in FIG.
- Step 1011 Perform pattern etching on the substrate to form a pattern corresponding to the driving electrode.
- the substrate may be mica, may also be SrTiO 3 (111), and other substrates on which the topological insulator film can be grown by molecular beam epitaxy.
- the base is taken as a mica as an example for detailed description.
- the substrate is patterned and etched to form a pattern corresponding to the driving electrode, and the same mask plate as the driving electrode pattern may be used, and the mica substrate is plasma-etched under the mask of the mask to obtain the same pattern as the driving electrode. Patterned mica substrate.
- Step 1012 forming a thin film of a topological insulator on the surface of the patterned substrate.
- a Bi2Se3 film was grown by molecular beam epitaxy.
- Other topological insulator films can also be grown.
- the topological insulator is Bi2Se3 as an example for detailed description.
- a thin film of a two-dimensional nanostructured topological insulator is formed on the surface of the patterned substrate.
- Step 1013 removing the substrate to obtain a driving electrode pattern.
- the mica substrate is dissolved to obtain a driving electrode pattern of a two-dimensional nanostructured topological insulator.
- the pattern of the driving electrodes of the topological insulators of the two-dimensional nanostructures is taken as an example, and the pattern of the sensing electrodes forming the two-dimensional nanostructures may be referred to the specific description of the pattern of the driving electrodes, which will not be described in detail in the embodiments of the present invention.
- Step 102 forming a first adhesive layer, and bonding the driving electrode pattern to the driving electrode region on the base substrate through the first adhesive layer.
- Forming the first adhesive layer includes forming a first adhesive layer on one side surface of the driving electrode.
- the driving electrode region in which the driving electrode pattern is adhered to the base substrate through the first adhesive layer includes a driving electrode region on which the driving electrode pattern on which the first adhesive layer is formed is attached.
- forming the first adhesive layer includes forming a first adhesive layer on a driving electrode region of the base substrate. Attaching the drive electrode pattern to the drive electrode region on the base substrate through the first adhesive layer includes attaching the drive electrode pattern to the first adhesive layer.
- Step 103 Form a second adhesive layer, and adhere the sensing electrode pattern to the sensing electrode region on the base substrate through the second adhesive layer, wherein the sensing electrode is not in contact with the driving electrode.
- Forming the second adhesive layer includes forming a second adhesive layer on one side surface of the sensing electrode.
- the sensing electrode region in which the sensing electrode pattern is adhered to the base substrate through the second adhesive layer includes: a sensing electrode pattern in which the sensing electrode pattern formed with the second adhesive layer is attached on the base substrate.
- forming the second adhesive layer includes forming a second adhesive layer on the sensing electrode region of the base substrate. Attaching the sensing electrode pattern to the sensing electrode region on the base substrate through the second adhesive layer includes: attaching the sensing electrode pattern to the second adhesive layer.
- step 103 includes:
- Step 1031 forming an insulating layer having an adhesive property on the base substrate.
- an insulating layer having adhesive properties is formed on the base substrate, and the insulating layer is adhered to the driving electrode.
- Step 1032 attaching the sensing electrode pattern to the insulating layer.
- the insulating layer not only makes the driving electrode and the sensing electrode not in contact, but also serves to adhere the sensing electrode.
- Embodiments of the present invention provide a conductive film, a touch panel, a manufacturing method thereof, and a display device.
- the conductive film is a two-dimensional nanostructure topological insulator, and the conductive film has excellent electrical conductivity even if the conductive time is long. It will not heat up. Applying such a conductive film to the driving electrode and/or the sensing electrode of the touch panel greatly reduces the resistance of the driving electrode and/or the sensing electrode, improves the touch response rate, reduces power consumption, and avoids high temperature influence. A problem with the performance of the device.
Abstract
Description
Claims (14)
- 一种导电薄膜,其中所述导电薄膜的材料包括拓扑绝缘体,所述导电薄膜为二维纳米结构。
- 根据权利要求1所述的导电薄膜,其中所述导电薄膜为二维条带状纳米结构、二维菱形纳米结构或二维网状纳米结构。
- 根据权利要求2所述的导电薄膜,其中所述二维网状纳米结构具有多个阵列排布的网孔。
- 根据权利要求3所述的导电薄膜,其中所述网孔为菱形或正四边形或正六边形。
- 根据权利要求1-4任一项所述的导电薄膜,其中所述拓扑绝缘体包括HgTe、BixSb1-x、Sb2Te3、Bi2Te3、Bi2Se3、TlBiTe2、TlBiSe2、Ge1Bi4Te7、Ge2Bi2Te5、Ge1Bi2Te4、AmN、PuTe、单层锡以及单层锡变体材料中的至少一种。
- 根据权利要求5所述的导电薄膜,其中所述单层锡的变体材料通过对单层锡进行表面修饰或磁性掺杂形成。
- 根据权利要求5或6所述的导电薄膜,其中单层锡的变体材料为对单层锡进行氟原子的表面修饰,形成的锡氟化合物。
- 一种触摸面板,包括衬底基板以及形成在所述衬底基板上互不接触的驱动电极和感应电极,其中所述驱动电极和所述感应电极通过粘着层粘附在所述衬底基板上;并且所述驱动电极和/或所述感应电极由权利要求1-7任一项所述的导电薄膜形成。
- 根据权利要求8所述的触摸面板,其中所述触摸面板还包括具有粘附特性的绝缘层,所述具有粘附特性的绝缘层位于所述驱动电极和所述感应电极之间,配置来使得驱动电极和感应电极不接触,且位于所述绝缘层上面的电极通过所述绝缘层粘附在所述衬底基板上。
- 一种触摸面板的制作方法,包括:形成具有二维纳米结构的拓扑绝缘体的驱动电极图案和/或感应电极图案;形成第一粘着层,将所述驱动电极图案通过所述第一粘着层粘附在衬底 基板上的驱动电极区;以及形成第二粘着层,将所述感应电极图案通过所述第二粘着层粘附在所述衬底基板上的感应电极区,其中所述感应电极图案与所述驱动电极图案不接触。
- 根据权利要求10所述的制作方法,其中所述形成第二粘着层包括:在所述衬底基板上形成具有粘附特性的绝缘层。
- 根据权利要求10或11所述的制作方法,其中所述形成具有二维纳米结构的拓扑绝缘体的驱动电极图案和/或感应电极图案包括:对基底进行图案化刻蚀,形成对应驱动电极的图案或感应电极的图案;在图案化的基底表面形成具有二维纳米结构的拓扑绝缘体的薄膜;以及将所述基底去除,得到驱动电极图案或感应电极图案。
- 一种显示装置,包括显示面板以及权利要求8或9所述的触摸面板。
- 根据权利要求13所述的显示装置,其中所述显示面板与触摸面板之间还包括第三粘着层,所述显示面板和所述触摸面板通过所述第三粘着层粘附在一起。
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