CN111984148A - Touch panel, touch display device and preparation method of touch panel - Google Patents
Touch panel, touch display device and preparation method of touch panel Download PDFInfo
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- CN111984148A CN111984148A CN202010794068.7A CN202010794068A CN111984148A CN 111984148 A CN111984148 A CN 111984148A CN 202010794068 A CN202010794068 A CN 202010794068A CN 111984148 A CN111984148 A CN 111984148A
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- 238000002360 preparation method Methods 0.000 title abstract description 6
- 239000010410 layer Substances 0.000 claims abstract description 138
- 239000000758 substrate Substances 0.000 claims abstract description 54
- 239000012790 adhesive layer Substances 0.000 claims abstract description 40
- 229910052751 metal Inorganic materials 0.000 claims description 65
- 239000002184 metal Substances 0.000 claims description 65
- 229910044991 metal oxide Inorganic materials 0.000 claims description 11
- 150000004706 metal oxides Chemical class 0.000 claims description 11
- 239000011241 protective layer Substances 0.000 claims description 11
- 239000011521 glass Substances 0.000 claims description 10
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 6
- 239000011810 insulating material Substances 0.000 claims description 6
- AMGQUBHHOARCQH-UHFFFAOYSA-N indium;oxotin Chemical compound [In].[Sn]=O AMGQUBHHOARCQH-UHFFFAOYSA-N 0.000 claims description 5
- YVTHLONGBIQYBO-UHFFFAOYSA-N zinc indium(3+) oxygen(2-) Chemical compound [O--].[Zn++].[In+3] YVTHLONGBIQYBO-UHFFFAOYSA-N 0.000 claims description 5
- JAONJTDQXUSBGG-UHFFFAOYSA-N dialuminum;dizinc;oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[O-2].[O-2].[Al+3].[Al+3].[Zn+2].[Zn+2] JAONJTDQXUSBGG-UHFFFAOYSA-N 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 4
- 229910052581 Si3N4 Inorganic materials 0.000 claims description 3
- ZKATWMILCYLAPD-UHFFFAOYSA-N niobium pentoxide Inorganic materials O=[Nb](=O)O[Nb](=O)=O ZKATWMILCYLAPD-UHFFFAOYSA-N 0.000 claims description 3
- URLJKFSTXLNXLG-UHFFFAOYSA-N niobium(5+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[O-2].[O-2].[Nb+5].[Nb+5] URLJKFSTXLNXLG-UHFFFAOYSA-N 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 235000012239 silicon dioxide Nutrition 0.000 claims description 3
- 239000000377 silicon dioxide Substances 0.000 claims description 3
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 claims description 3
- 238000000034 method Methods 0.000 claims 1
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- 229920000297 Rayon Polymers 0.000 description 8
- 230000000007 visual effect Effects 0.000 description 7
- 230000003287 optical effect Effects 0.000 description 5
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- 238000010586 diagram Methods 0.000 description 3
- 230000002349 favourable effect Effects 0.000 description 3
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- JYMITAMFTJDTAE-UHFFFAOYSA-N aluminum zinc oxygen(2-) Chemical compound [O-2].[Al+3].[Zn+2] JYMITAMFTJDTAE-UHFFFAOYSA-N 0.000 description 1
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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
-
- 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
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K9/00—Screening of apparatus or components against electric or magnetic fields
- H05K9/0064—Earth or grounding circuit
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K9/00—Screening of apparatus or components against electric or magnetic fields
- H05K9/0067—Devices for protecting against damage from electrostatic discharge
-
- 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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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Position Input By Displaying (AREA)
Abstract
The invention discloses a touch panel, a touch display device and a preparation method of the touch panel, wherein the touch panel comprises a display module and an anti-static device, the display module comprises a substrate and a sensing module, a touch sensing area is arranged on the top surface of the substrate, the sensing module is arranged in the touch sensing area and comprises a first vanishing layer, a first adhesive layer, a circuit board, a second adhesive layer, a second vanishing layer and a touch panel, the first vanishing layer is arranged on the touch sensing area on the top surface of the substrate, the first adhesive layer is arranged on the top surface of the first vanishing layer, the circuit board is arranged on the top surface of the first adhesive layer, the second adhesive layer is arranged on the top surface of the circuit board, the second vanishing layer is arranged on the top surface of the second adhesive layer, the touch panel is arranged on the top surface of the second vanishing layer, and the anti-static device is arranged at the top end of the display module. The device for guiding the surface charges of the screen body can be used on the touch screen body, so that the problems that the quality of the screen body is reduced and the touch insensitive effect is poor when the screen body is used due to the charges on the screen body are avoided.
Description
Technical Field
The invention relates to the technical field of touch panel preparation, in particular to a touch panel, a touch display device and a preparation method of the touch panel.
Background
A touch panel is an input device that senses a position touched by a user's finger or a tool, and is classified into a resistive type, a capacitive type, an Infrared Ray (IR) type, a Surface Acoustic Wave (SAW) type, an Electromagnetic (EM) type, and an electromagnetic resonance (EMR) type according to its operation principle, and generally, the touch panel includes a sensor layer that senses a touch of an input tool and is connected to a controller through a wiring electrode, and the controller senses a change in an output of the touch panel according to the touch of the input tool and determines the position of the touch on the touch panel, and the capacitive type is widely used on small electronic appliances.
The existing touch screen body is usually installed on a small display device, the screen body often rubs with clothes and the like, so that static charges are carried on the surface of the screen body, and the capacitive touch screen realizes a touch function through an electric effect, so that the capacitive touch screen is sensitive to the electric effect on the surface of the screen body.
Therefore, a device capable of guiding charges on the surface of the screen body is needed to be used on the touch screen body, so that the problems that the quality of the screen body is reduced and the touch insensitive effect is poor when the touch screen body is used due to the charges on the screen body are avoided.
Disclosure of Invention
The invention aims to provide a touch panel, a touch display device and a preparation method of the touch panel, and aims to solve the problem that the conventional screen body is usually rubbed with clothes and the like in use, so that the surface of the screen body is electrostatically charged to reduce the production quality and cause poor touch effect.
The invention is realized by the following steps:
the utility model provides a touch panel, including display module assembly and antistatic device, display module assembly includes base plate and sensing module assembly, and be provided with touch sensing area on the base plate top surface, be provided with sensing module assembly in the touch sensing area, and sensing module assembly includes first vanishing layer, first viscose layer, the circuit board, the second viscose layer, second vanishing layer and touch panel, be provided with first vanishing layer on the touch sensing area of base plate top surface, and be provided with first viscose layer on the top surface on first vanishing layer, be provided with the circuit board on the top surface on first viscose layer, and be provided with the second viscose layer on the top surface of circuit board, be provided with the second vanishing layer on the top surface on second viscose layer, and be provided with touch panel on the top surface on second vanishing layer, display module assembly's top is provided with antistatic device.
Furthermore, the top surface of the circuit board is evenly connected with electrode wires, and the periphery of the top surface of the circuit board vertically penetrates through the bottom surface and is connected with a grounding wire.
And then, the top surface of the circuit board is uniformly connected with electrode wires, the circuit board is communicated with the touch panel through the electrode wires, and then the periphery of the top surface of the circuit board vertically penetrates through the bottom surface and is connected with a grounding wire, so that static charges are conducted away, and the touch sensitivity is improved.
Furthermore, the electrode wire is vertically and upwards connected with a wiring terminal, and the wiring terminal penetrates through the second adhesive layer and the second vanishing layer to be connected with the touch panel.
And then be connected with binding post through vertical upwards on the electrode line, and binding post runs through second viscose layer and second vanishing layer and is connected with touch panel to control touch panel intercommunication circuit board carries out the water conservancy diversion control.
Furthermore, the bottom end of the grounding wire is vertically and downwards connected with a grounding terminal, and the bottom end of the grounding terminal penetrates through the bottom surface of the substrate.
And then be connected with ground terminal through vertical downwards on the earth connection bottom, and ground terminal bottom runs through the base plate bottom surface setting to conveniently lead the static charge and send a base plate beyond.
Furthermore, the substrate is a glass substrate, and a metal layer is bonded on the bottom surface of the substrate.
And then adopt the glass substrate through the base plate, improve touch-sensitive screen's permeability, improve visual effect, then it has the metal level to bond on the bottom surface of base plate for absorb the static charge that the earth connection was led and is sent, thereby the touch-control is more sensitive when using and is better.
Further, the metal layer is formed of a transparent metal oxide, and the transparent metal oxide in the metal layer is at least one of indium tin oxide, aluminum zinc oxide, and indium zinc oxide.
And then through the metal level by transparent metal oxide formation, utilize indium tin oxide, aluminium zinc oxide and indium zinc oxide all have its good electricity conduction and optical transparency, be favorable to improving visual effect and display effect.
Furthermore, the anti-static device comprises an anti-static metal layer and an insulating protective layer, the insulating protective layer is bonded on the inner end face of the anti-static metal layer, and the bottom end of the anti-static metal layer is bonded on the substrate.
And then bond on the interior terminal surface through antistatic metal layer and have the insulating protection layer, utilize antistatic metal layer and insulating protection layer isolated outside static to get into, improve the protectiveness to display module assembly, then the bottom of antistatic metal layer bonds at the base plate to spacing bonding base plate and antistatic metal layer.
Furthermore, the anti-static metal layer is connected with the circuit board, the anti-static metal layer is made of transparent metal oxide, and the insulating protective layer is made of glass.
And then through preventing the static metal level to link to each other it and circuit board, can discharge static fast, avoid the electrode damage, can not increase the width in walking the line district again, both can improve touch panel's antistatic ability, be favorable to narrowing frame again, promote the visual effect of the product of using this touch panel, insulating layer adopts the glass material simultaneously, improves display module's permeability and optical property.
A touch display device comprising a touch panel as claimed in any preceding claim.
A method of manufacturing a touch panel, comprising the steps of:
s1, forming a touch sensor area on the surface of the substrate made of the insulating material, and forming a first vanishing layer;
s2, forming a first adhesive layer on the first shadow eliminating layer, arranging a circuit board on the top surface of the first adhesive layer, and arranging a second adhesive layer and a second shadow eliminating layer on the top surface of the circuit board;
s3, connecting terminals on electrode wires on the circuit board are connected with the touch panel, and the bottom ends of grounding terminals on grounding wires on the circuit board penetrate through the substrate to be connected with the metal layer;
s4, arranging an antistatic device on the top end of the substrate, protecting the display module by bonding an insulating protection layer on the inner end face of the antistatic metal layer, and bonding the bottom end of the antistatic metal layer on the antistatic metal layer of the substrate to be connected with the circuit board.
Compared with the prior art, the invention has the beneficial effects that: the invention forms a touch sensor area on the surface of a substrate made of insulating material, and forms a first vanishing layer, forming a first adhesive layer on the first shadow eliminating layer, arranging a circuit board on the top surface of the first adhesive layer, a second adhesive layer and a second vanishing layer are arranged on the top surface of the circuit board, a wiring terminal on an electrode wire on the circuit board is connected with the touch panel, the bottom end of a grounding terminal on a grounding wire on the circuit board penetrates through the substrate to be connected with the metal layer, an antistatic device is arranged at the top end of the substrate, the display module is protected by adhering an insulating protective layer on the inner end surface of the anti-static metal layer, the bottom end of the anti-static metal layer is adhered on the anti-static metal layer of the substrate and connected with the circuit board, therefore, the device for guiding the surface charges of the screen body can be used on the touch screen body, so that the problems that the quality of the screen body is reduced and the touch insensitive effect is poor when the screen body is used due to the charges on the screen body are avoided.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of an exploded structure of the present invention;
FIG. 3 is a schematic view of a connection structure of a substrate and a metal layer according to an embodiment of the present invention;
FIG. 4 is a schematic structural diagram of a substrate according to an embodiment of the present invention;
FIG. 5 is an exploded view of a sensor module according to an embodiment of the present invention;
FIG. 6 is a schematic diagram of a circuit board according to an embodiment of the present invention;
fig. 7 is a schematic structural diagram of an antistatic device in an embodiment of the invention.
In the figure: 1. a display module; 11. a substrate; 111. a touch-sensitive area; 12. a sensing module; 121. a first shadow eliminating layer; 122. a first adhesive layer; 123. a circuit board; 1231. an electrode wire; 1232. a wiring terminal; 1233. a ground line; 1234. a ground terminal; 124. a second adhesive layer; 125. a second shadow eliminating layer; 126. a touch panel; 13. a metal layer; 2. an antistatic device; 21. an anti-static metal layer; 22. and an insulating protective layer.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings of the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention. Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
Referring to fig. 1, 2, 3, 4, 5, 6 and 7, a touch panel includes a display module 1 and an anti-static device 2, the display module 1 includes a substrate 11 and a sensor module 12, a touch sensing area 111 is disposed on a top surface of the substrate 11, the sensor module 12 is disposed in the touch sensing area 111, the sensor module 12 includes a first vanishing layer 121, a first adhesive layer 122, a circuit board 123, a second adhesive layer 124, a second vanishing layer 125 and a touch panel 126, the first vanishing layer 121 is disposed on the touch sensing area 111 on the top surface of the substrate 11, the first vanishing layer 121 is disposed on a top surface of the first vanishing layer 121, the circuit board 123 is disposed on a top surface of the first adhesive layer 122, the second adhesive layer 124 is disposed on a top surface of the circuit board 123, the second vanishing layer 125 is disposed on a top surface of the second adhesive layer 124, and the touch panel 126 is disposed on a top surface of the second vanishing layer 125, the top end of the display module 1 is provided with an antistatic device 2.
Furthermore, by forming the touch sensor area on the surface of the substrate made of insulating material and forming the first vanishing layer, forming a first adhesive layer on the first shadow eliminating layer, arranging a circuit board on the top surface of the first adhesive layer, a second adhesive layer and a second vanishing layer are arranged on the top surface of the circuit board, a wiring terminal on an electrode wire on the circuit board is connected with the touch panel, the bottom end of a grounding terminal on a grounding wire on the circuit board penetrates through the substrate to be connected with the metal layer, an antistatic device is arranged at the top end of the substrate, the display module is protected by adhering an insulating protective layer on the inner end surface of the anti-static metal layer, the bottom end of the anti-static metal layer is adhered on the anti-static metal layer of the substrate and connected with the circuit board, therefore, the device for guiding the surface charges of the screen body can be used on the touch screen body, so that the problems that the quality of the screen body is reduced and the touch insensitive effect is poor when the screen body is used due to the charges on the screen body are avoided.
Referring to fig. 6, electrode wires 1231 are uniformly connected to the top surface of the circuit board 123, and a ground wire 1233 is connected to the bottom surface of the circuit board 123 vertically penetrating the top surface.
Further, the circuit board 123 is uniformly connected with the electrode lines 1231 on the top surface, and is connected to the touch panel 126 through the electrode lines 1231, and then the circuit board 123 is vertically connected with the ground line 1233 penetrating the bottom surface around the top surface, so as to conduct the static charge away, thereby improving the touch sensitivity.
Referring to fig. 5 and 6, the electrode wire 1231 is vertically and upwardly connected to the connection terminal 1232, and the connection terminal 1232 penetrates through the second adhesive layer 124 and the second vanishing layer 125 to be connected to the touch panel 126.
And then be connected with binding post 1232 through vertical upwards on the electrode line 1231, and binding post 1232 runs through second viscose layer 124 and second vanishing layer 125 and is connected with touch panel 126 to control touch panel 126 and communicate circuit board 123 and carry out the water conservancy diversion control.
Referring to fig. 5 and 6, a ground terminal 1234 is vertically connected to the bottom end of the ground line 1233, and the bottom end of the ground terminal 1234 penetrates through the bottom surface of the substrate 11.
Furthermore, the bottom end of the grounding wire 1233 is connected with the grounding terminal 1234 vertically downward, and the bottom end of the grounding terminal 1234 penetrates through the bottom surface of the substrate 11, so that the electrostatic charge is conveniently conducted to the outside of the substrate 11.
Referring to fig. 3 and 4, the substrate 11 is a glass substrate, and a metal layer 13 is adhered to the bottom surface of the substrate 11.
And then adopt the glass substrate through base plate 11, improve touch-sensitive screen's permeability, improve visual effect, then it has metal level 13 to bond on the bottom surface of base plate 11 for absorb the static charge that earth connection 1233 led and send, thereby touch-control is more sensitive when using and is better effect.
Referring to fig. 3 and 4, the metal layer 13 is formed of a transparent metal oxide, and the transparent metal oxide in the metal layer 13 is at least one of indium tin oxide, aluminum zinc oxide, and indium zinc oxide.
Further, the metal layer 13 is formed of a transparent metal oxide, and indium tin oxide, aluminum zinc oxide and indium zinc oxide have excellent electrical conductivity and optical transparency, which is beneficial to improvement of visual effect and display effect.
Referring to fig. 5, the first and second vanishing layers 121 and 125 are made of the same material, and the first and second vanishing layers 121 and 125 at least include a silicon nitride layer or a stack of silicon dioxide and niobium pentoxide.
Furthermore, the first and second vanishing layers 121 and 125 at least comprise a silicon dioxide and niobium pentoxide laminate or a silicon nitride layer, so that the optical property and the light transmittance are good, and the visual effect and the display effect are improved.
Referring to fig. 7, the anti-static device 2 includes an anti-static metal layer 21 and an insulating protection layer 22, the insulating protection layer 22 is adhered to the inner end surface of the anti-static metal layer 21, and the bottom end of the anti-static metal layer 21 is adhered to the substrate 11.
And then there is insulating protection layer 22 through bonding on the interior terminal surface of antistatic metal layer 21, utilizes antistatic metal layer 21 and insulating protection layer 22 to completely cut off outside static and gets into, improves the protectiveness to display module 1, then the bottom of antistatic metal layer 21 bonds in base plate 11 to spacing bonding base plate 11 and antistatic metal layer 21.
Referring to fig. 1 and 7, the anti-static metal layer 21 is connected to the circuit board 123, the anti-static metal layer 21 is made of transparent metal oxide, and the insulating protection layer 22 is made of glass.
And then through preventing static metal level 21 to link to each other it with circuit board 123, can discharge static fast, avoid electrode damage, can not increase the width in line area again, both can improve touch panel 126's antistatic effect, be favorable to narrowing the frame again, promote the visual effect of the product that uses this touch panel 126, insulating protective layer 22 adopts the glass material simultaneously, improves the permeability and the optical property of display module assembly 1.
A touch display device comprising a touch panel as claimed in any preceding claim.
A method of manufacturing a touch panel, comprising the steps of:
s1, forming a touch sensor area on the surface of the substrate made of the insulating material, and forming a first vanishing layer;
s2, forming a first adhesive layer on the first shadow eliminating layer, arranging a circuit board on the top surface of the first adhesive layer, and arranging a second adhesive layer and a second shadow eliminating layer on the top surface of the circuit board;
s3, connecting terminals on electrode wires on the circuit board are connected with the touch panel, and the bottom ends of grounding terminals on grounding wires on the circuit board penetrate through the substrate to be connected with the metal layer;
s4, arranging an antistatic device on the top end of the substrate, protecting the display module by bonding an insulating protection layer on the inner end face of the antistatic metal layer, and bonding the bottom end of the antistatic metal layer on the antistatic metal layer of the substrate to be connected with the circuit board.
The working principle is as follows: forming a touch sensor region on the surface of the substrate made of insulating material, and forming a first vanishing layer, forming a first adhesive layer on the first shadow eliminating layer, arranging a circuit board on the top surface of the first adhesive layer, a second adhesive layer and a second vanishing layer are arranged on the top surface of the circuit board, a wiring terminal on an electrode wire on the circuit board is connected with the touch panel, the bottom end of a grounding terminal on a grounding wire on the circuit board penetrates through the substrate to be connected with the metal layer, an antistatic device is arranged at the top end of the substrate, the display module is protected by adhering an insulating protective layer on the inner end surface of the anti-static metal layer, the bottom end of the anti-static metal layer is adhered on the anti-static metal layer of the substrate and connected with the circuit board, therefore, the device for guiding the surface charges of the screen body can be used on the touch screen body, so that the problems that the quality of the screen body is reduced and the touch insensitive effect is poor when the screen body is used due to the charges on the screen body are avoided.
The device obtained by the design can basically meet the requirements of avoiding the quality reduction of the screen body due to the existence of electric charges on the screen body and the use of a device which has poor touch insensitive effect and can guide the surface electric charges of the screen body when in use, but the designer further improves the device by aiming at further improving the function.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides a touch panel, includes display module assembly (1) and antistatic device (2), its characterized in that: the display module (1) comprises a substrate (11) and a sensing module (12), a touch sensing area (111) is arranged on the top surface of the substrate (11), the sensing module (12) is arranged in the touch sensing area (111), the sensing module (12) comprises a first vanishing layer (121), a first adhesive layer (122), a circuit board (123), a second adhesive layer (124), a second vanishing layer (125) and a touch panel (126), the first vanishing layer (121) is arranged on the touch sensing area (111) on the top surface of the substrate (11), the first adhesive layer (122) is arranged on the top surface of the first vanishing layer (121), the circuit board (123) is arranged on the top surface of the circuit board (123), the second adhesive layer (124) is arranged on the top surface of the second adhesive layer (124), the second vanishing layer (125) is arranged on the top surface of the second adhesive layer (124), and a touch panel (126) is arranged on the top surface of the second shadow eliminating layer (125), and an anti-static device (2) is arranged at the top end of the display module (1).
2. The touch panel according to claim 1, wherein the circuit board (123) has electrode wires (1231) uniformly connected to its top surface, and a ground wire (1233) is connected to the top surface of the circuit board (123) vertically penetrating its bottom surface.
3. A touch panel according to claim 2, wherein the electrode wires (1231) are connected with the connecting terminal (1232) vertically upward, and the connecting terminal (1232) penetrates through the second adhesive layer (124) and the second vanishing layer (125) to be connected with the touch panel (126).
4. The touch panel according to claim 1, wherein the substrate (11) is a glass substrate, and the metal layer (13) is adhered to the bottom surface of the substrate (11).
5. The touch panel according to claim 4, wherein the metal layer (13) is formed of a transparent metal oxide, and the transparent metal oxide in the metal layer (13) is at least one of indium tin oxide, aluminum zinc oxide, and indium zinc oxide.
6. A touch panel according to claim 1, characterized in that the first (121) and second (125) vanishing layers are of the same material and that the first (121) and second (125) vanishing layers comprise at least a stack of silicon dioxide and niobium pentoxide or a silicon nitride layer.
7. The touch panel according to claim 1, wherein the antistatic device (2) comprises an antistatic metal layer (21) and an insulating protective layer (22), the insulating protective layer (22) is adhered to an inner end surface of the antistatic metal layer (21), and a bottom end of the antistatic metal layer (21) is adhered to the substrate (11).
8. The touch panel touch of claim 7, wherein the anti-static metal layer (21) is connected to a circuit board (123), the anti-static metal layer (21) is a transparent metal oxide, and the insulating protective layer (22) is made of glass.
9. A touch display device characterized by comprising a touch panel according to any one of claims 1 to 8.
10. A method for manufacturing a touch panel, comprising the steps of:
s1, forming a touch sensor area on the surface of the substrate made of the insulating material, and forming a first vanishing layer;
s2, forming a first adhesive layer on the first shadow eliminating layer, arranging a circuit board on the top surface of the first adhesive layer, and arranging a second adhesive layer and a second shadow eliminating layer on the top surface of the circuit board;
s3, connecting terminals on electrode wires on the circuit board are connected with the touch panel, and the bottom ends of grounding terminals on grounding wires on the circuit board penetrate through the substrate to be connected with the metal layer;
s4, arranging an antistatic device on the top end of the substrate, protecting the display module by bonding an insulating protection layer on the inner end face of the antistatic metal layer, and bonding the bottom end of the antistatic metal layer on the antistatic metal layer of the substrate to be connected with the circuit board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010794068.7A CN111984148B (en) | 2020-08-10 | 2020-08-10 | Touch panel, touch display device and preparation method of touch panel |
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| CN204143400U (en) * | 2014-08-20 | 2015-02-04 | 山东华芯富创电子科技有限公司 | A kind of touch panel structure provided |
| CN204537091U (en) * | 2015-03-11 | 2015-08-05 | 合肥鑫晟光电科技有限公司 | One disappears shadow structure, touch-screen and display device |
| CN205665677U (en) * | 2016-05-12 | 2016-10-26 | 厦门天马微电子有限公司 | Display panel |
| CN106354305A (en) * | 2016-08-25 | 2017-01-25 | 京东方科技集团股份有限公司 | Touch display module, preparing method and display device thereof |
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| CN109947305A (en) * | 2019-03-27 | 2019-06-28 | 京东方科技集团股份有限公司 | Touch panel and preparation method thereof, touch display unit |
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| CN204143400U (en) * | 2014-08-20 | 2015-02-04 | 山东华芯富创电子科技有限公司 | A kind of touch panel structure provided |
| CN204537091U (en) * | 2015-03-11 | 2015-08-05 | 合肥鑫晟光电科技有限公司 | One disappears shadow structure, touch-screen and display device |
| CN205665677U (en) * | 2016-05-12 | 2016-10-26 | 厦门天马微电子有限公司 | Display panel |
| CN106354305A (en) * | 2016-08-25 | 2017-01-25 | 京东方科技集团股份有限公司 | Touch display module, preparing method and display device thereof |
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