CN110489017A - Touch screen, touching display screen and intelligent terminal - Google Patents
Touch screen, touching display screen and intelligent terminal Download PDFInfo
- Publication number
- CN110489017A CN110489017A CN201910923485.4A CN201910923485A CN110489017A CN 110489017 A CN110489017 A CN 110489017A CN 201910923485 A CN201910923485 A CN 201910923485A CN 110489017 A CN110489017 A CN 110489017A
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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
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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
- G06F3/0416—Control or interface arrangements specially adapted for digitisers
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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
The present invention relates to a kind of touch screen, touching display screen and intelligent terminals; the touch screen includes substrate, conductive pattern layer, insulation glue-line and protective film layer; substrate has Touch Zone and the non-touch area around Touch Zone setting; non-touch area includes first area and second area; first area deviates from the side of Touch Zone to the distance of touch-control area edge, greater than the distance of the side that second area deviates from Touch Zone to touch-control area edge；Conductive pattern layer includes touch pattern and lead pattern, and touch pattern is set to Touch Zone, and lead pattern is set to first area, and lead pattern and touch pattern are electrically connected；Insulation glue-line is set to first area and covers lead pattern；Protective film layer includes body layer and sealing layer, and body layer connect and cover non-touch area and Touch Zone with insulation glue-line, and sealing layer is set between body layer and second area.The present invention can avoid the risk that corrosive gas spreads and corrode touch pattern towards Touch Zone by second area, improve the service life of touch screen.
Description
Technical field
The present invention relates to fields of communication technology, more particularly to a kind of touch screen, touching display screen and intelligent terminal.
Background technique
The touch screen of the intelligent terminals such as mobile phone, tablet computer in the related technology includes substrate, touch pattern and lead
Pattern, substrate have Touch Zone and the non-touch area positioned at Touch Zone periphery, and touch pattern is formed in Touch Zone, lead pattern
It is formed in non-touch area, lead pattern is electrically connected with touch pattern, to receive and transmit the touch-control letter from Touch Zone
Number, to realize the touch function of Touch Zone.
In use, the lead pattern of non-touch area is easy to appear the wind being corroded in the environment of high temperature and humidity
Danger, this will affect the electrical connection properties of lead pattern and touch pattern, and then will lead to Touch Zone and cannot achieve its touch function.
Based on this, the relevant technologies use the insulation glue-line that lead pattern is covered at one layer of non-touch area wire mark, and deviate from insulation glue-line
Layer protecting film is sticked in substrate side, the risk for avoiding lead pattern from being corroded with this.However, the planarization of insulation film surface
It is poor and there are many hollows (especially with screen printing processing wire marks in the insulation glue-line of non-touch area), when protective film is attached at
When insulation glue-line, hollow is easy accumulation corrosive gas, which is easy closer apart from substrate edges by Touch Zone
Side is spread towards Touch Zone, and then corrodes the touch pattern in Touch Zone, and Touch Zone is caused to cannot achieve its touch function.
Summary of the invention
Based on this, it is necessary to be easy by Touch Zone apart from the closer side of substrate edges for corrosive gas towards touch-control
Area's diffusion, and the problem of corrode the touch pattern of Touch Zone, provide a kind of touch screen, the touching display screen including the touch screen with
And the intelligent terminal including the touching display screen.
A kind of touch screen, comprising:
Substrate, with Touch Zone and around the non-touch area of Touch Zone setting, the non-touch area includes first
Region and second area, the first area deviate from the side of the Touch Zone to the distance of the touch-control area edge, are greater than institute
It states second area and deviates from the side of the Touch Zone to the distance of the touch-control area edge；
Conductive pattern layer, including touch pattern and lead pattern, the touch pattern are set to the Touch Zone, the lead
Pattern is set to the first area, and the lead pattern and the touch pattern are electrically connected；
Insulate glue-line, is set to the first area and covers the lead pattern；And
Protective film layer, including body layer and sealing layer, the body layer connect and cover described non-with the insulation glue-line
Touch Zone and the Touch Zone, the sealing layer are set between the body layer and the second area.
The end of the sealing layer is connected to the end interval and being formed of the insulation glue-line in one of the embodiments,
The end in the channel on the inside of the substrate, the insulation glue-line is extended with multiple protrusions, and multiple bulge clearances are set to
In the channel.
The both ends of the second area extend to the edge of the substrate, firstth area in one of the embodiments,
The both ends in domain are connect with the inside of the second area.
The substrate is provided with the auxiliary patterns in the channel, the auxiliary figure in one of the embodiments,
Case with corrosive gas for reacting.
A part of the auxiliary patterns is set between the protrusion and the substrate in one of the embodiments,
Another part exposes to the protrusion and is set between the protrusion and the sealing layer, exposes to the part institute of the protrusion
Auxiliary patterns are stated for reacting with corrosive gas.
The length value for exposing to the part auxiliary patterns of the protrusion in one of the embodiments, is greater than or waits
In 0.3mm.
In one of the embodiments, the lead pattern include driving route and induction route, the driving route with
The induction route is set to the same side of the substrate；Alternatively, the driving route and the induction route be set to it is described
The opposite two sides of substrate.
The touch screen offers the window through the protective film layer and the insulation glue-line in one of the embodiments,
Mouthful, the driving route and the induction route all have binding portion, and the binding portion exposes to the window.
A kind of touching display screen, comprising:
Above-mentioned touch screen；And
Display screen is connect with the touch screen.
A kind of intelligent terminal, comprising:
Mainboard；And
Above-mentioned touching display screen, the touching display screen include flexible circuit board, the flexible circuit board and the mainboard
It is electrically connected with the lead pattern.
Touch screen, touching display screen and intelligent terminal provided by the invention, due in the outside to first area of first area
The distance of side, greater than second area outside to the distance on the inside of second area, so that the corrosive gas for being located at second area has
Have and diffuse to the shorter path in Touch Zone, is easier to corrode the touch pattern of Touch Zone positioned at the corrosive gas of second area.
On this basis, insulation glue-line only is set without insulation glue-line is arranged in second area, when being sticked on substrate in first area
After protective film layer, protective film layer can be flat and fit with the second area of substrate, so as to avoid corrosive gas by second
Region is spread towards Touch Zone, so can to avoid or reduce the risk that is corroded of touch pattern of Touch Zone, improve touch-control
The service life of screen.
Detailed description of the invention
In order to illustrate the technical solutions in the embodiments of the present application or in the prior art more clearly, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of application for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is the structural schematic diagram of the intelligent terminal of one embodiment of the invention；
Fig. 2 is the diagrammatic cross-section of the touching display screen along Fig. 1 section line II-II；
Fig. 3 is the structural schematic diagram that conductive pattern layer is arranged in Fig. 2 on substrate；
Fig. 4 is the structural schematic diagram of setting insulation glue-line in first area in Fig. 3；
Fig. 5 is the structural schematic diagram that protective film layer is arranged in insulation glue-line in Fig. 4；
Fig. 6 is the partial cutaway schematic in Fig. 5 at A.
Specific embodiment
In order to make the foregoing objectives, features and advantages of the present invention clearer and more comprehensible, with reference to the accompanying drawing to the present invention
Specific embodiment be described in detail.Many details are explained in the following description in order to fully understand this hair
It is bright.But the invention can be embodied in many other ways as described herein, those skilled in the art can be not
Similar improvement is done in the case where violating intension of the present invention, therefore the present invention is not limited to the specific embodiments disclosed below.
It should be noted that it can directly on the other element when element is referred to as " being fixed on " another element
Or there may also be elements placed in the middle.When an element is considered as " connection " another element, it, which can be, is directly connected to
To another element or it may be simultaneously present centering elements.
Unless otherwise defined, all technical and scientific terms used herein and belong to technical field of the invention
The normally understood meaning of technical staff is identical.Term as used herein in the specification of the present invention is intended merely to description tool
Body embodiment purpose, it is not intended that in limitation the present invention.Term " and or " used herein includes one or more phases
Any and all combinations of the listed item of pass.
Refering to what is shown in Fig. 1, the touching display screen 10c of one embodiment of the invention, is applied to intelligent terminal 10.In an embodiment
In, intelligent terminal 10 includes terminal body 10a, mainboard 10b and touching display screen 10c.Mainboard 10b is set to terminal body 10a
Internal (only using dotted line frame as illustrating in Fig. 1), touching display screen 10c are set on the outside of terminal body 10a and electric with mainboard 10b
Property connection.Wherein, intelligent terminal 10 can for smart phone, laptop, tablet computer, portable telephone, visual telephone,
Digital still camera, electronic book readers, portable multimedia player (PMP), portable medical device, wearable device
Deng.
In one embodiment, refering to what is shown in Fig. 2, touching display screen 10c includes touch screen 100 and display screen 200.Touch screen
100 are stacked with display screen 200, are equipped with conductive pattern layer 120 (namely touch-control sensing layer) in touch screen 100, conductive pattern layer 120
For being electrically connected with the mainboard 10b in intelligent terminal 10, to can be touched when user implements touch on touch screen 100
It sends out conductive pattern layer 120 and generates touching signals, and then shown content indicated by touching signals by display screen 200.
It should be noted that display screen 200 can be shielded using LCD (Liquid Crystal Display, liquid crystal display)
For showing that information, LCD screen can be TFT (Thin Film Transistor, thin film transistor (TFT)) screen or IPS (In-
Plane Switching, plane conversion) (Splice Liquid Crystal Display, splices dedicated liquid by screen or SLCD
Crystalline substance display) screen.Display screen 200 can also (Organic Light-Emitting Diode, organic electric laser be aobvious using OLED
Show) shield for showing that information, OLED screen can be AMOLED (Active Matrix Organic Light Emitting
Diode, active matrix organic light-emitting diode) screen or Super AMOLED (Super Active Matrix Organic
Light Emitting Diode, super active-drive type organic light emitting diode) screen or Super AMOLED Plus
(Super Active Matrix Organic Light Emitting Diode Plus, the beautiful screen of evil spirit) screen.
In one embodiment, refering to what is shown in Fig. 3, touch screen 100 is including substrate 110 and is formed in leading on substrate 110
Electrograph layer 120.Substrate 110 is the supporting body of conductive pattern layer 120, and substrate 110 has Touch Zone 111 and around Touch Zone 111
The non-touch area 112 of periphery setting.In one embodiment, non-touch area 112 includes first area 112a and second area 112b,
First area 112a is greater than second area 112b away from touching away from the distance d1 at 111 edge of side to Touch Zone of Touch Zone 111
Control the distance d2 at 111 edge of side to Touch Zone in area 111, it is understood that for the outside first area 112a to first area
Distance d1 on the inside of 112a, greater than the outside second area 112b to the distance d2 on the inside of second area 112b.
In one embodiment, conductive pattern layer 120 is used to generate touching signals in Touch Zone 111 and passes through non-touch area 112
Touching signals are output to extraneous (such as by the flexible circuit board 150 of touching display screen 100 by conductive pattern layer 120 and intelligence
The mainboard 10b of terminal 10 is electrically connected).Conductive pattern layer 120 includes being formed in the touch pattern 121 of Touch Zone 111 and being formed
In the lead pattern 122 for the first area 112a for being located at non-touch area 112, lead pattern 122 electrically connects with touch pattern 121
It connects.In one embodiment, lead pattern 122 includes driving route 122a and induction route 122b, drives route 122a and induction
Route 122b is set to the same side of substrate 110.It is appreciated that in other embodiments, driving route 122a and induction route
The two sides opposite in substrate 110 also can be set in 122b.In one embodiment, driving route 122a and induction route 122b have
(binding portion 1221 has the golden finger being electrically connected with flexible circuit board 150, and golden finger has line interface figure in binding portion 1221
Case), binding portion 1221 can be electrically connected by flexible circuit board 150 and mainboard 10b, to realize the touch-control of intelligent terminal 10
Inducing function.
Wherein, aforesaid substrate 110 can with but be not limited to polycarbonate (PC) panel, polyethylene terephthalate
(PET) panel, any one in glass (GLASS) panel.The material of above-mentioned touch pattern 121 includes following a kind of or more
The combination of kind: indium tin oxide, zinc tin oxide, indium-zinc oxide, metal grill, conductive metal nano wire, carbon nanotube, stone
Black alkene or organic transparent conductive material.The material of lead pattern 122 includes the combination of following one or more: metallic silver or gold
Belong to copper.
Since the lead pattern 122 of non-touch area 112 is easy to appear the risk being corroded in the environment of high temperature and humidity, this
It will affect the electrical connection properties of lead pattern 122 Yu touch pattern 121, and then will lead to Touch Zone 111 and cannot achieve its touch-control
Function.Based on this, the relevant technologies are used at one layer of wire mark of non-touch area 112 (including first area 112a and second area 112b)
The insulation glue-line of lead pattern 122 is covered, and sticks layer protecting film away from 110 side of substrate in insulation glue-line, is avoided with this
The risk that lead pattern 122 is corroded.However, the planarization of insulation film surface is poor and there are many hollows (especially to adopt
With screen printing processing wire mark in the insulation glue-line of non-touch area 112), when protective film is attached at insulation glue-line, hollow is easy accumulation
Corrosive gas.Due to, to the distance on the inside of the 112a of first area, being greater than on the outside of second area 112b on the outside of the 112a of first area
Distance to second area 112b, so that the corrosive gas for being located at second area 112b, which has, diffuses to Touch Zone 111
Shorter path is gathered in the corrosive gas at second area 112b hollow and is easier to spread towards Touch Zone 111, and then rotten
The touch pattern 121 in Touch Zone 111 is lost, Touch Zone 111 is caused to cannot achieve its touch function.To solve the above-mentioned problems,
The present invention has done following improvement.
In one embodiment, with reference to shown in Fig. 4 and Fig. 5, touch screen 100 includes insulation glue-line 130 and protective film layer 140.
Insulation glue-line 130 is set to first area 112a and covers lead pattern 122, and insulation glue-line 130 can, isolation closeer by quality
The preferable colloid of steam effect can not only play lead pattern 122 by printing, coated and cured formation, insulation glue-line 130
To effect is dielectrically separated from, can also play the role of completely cutting off steam, the risk for avoiding lead pattern 122 from occurring being corroded.With reference to
Shown in Fig. 5 and Fig. 6, protective film layer 140 includes body layer 141 and sealing layer 142, and body layer 141 is connect simultaneously with insulation glue-line 130
Covering Touch Zone 111 and non-touch area 112, sealing layer 142 are set between body layer 141 and second area 112b.It is real one
It applies in example, protective film layer 140 can be polypropylene layer or layer of polyethylene terephthalate.
In one embodiment, with reference to Fig. 4 and Fig. 5, touch screen 100 is offered through protective film layer 140 and insulation glue-line 130
Window 101, binding portion 1221 exposes to window 101.The installation space of flexible circuit board 150 has been reserved in the setting of window 101,
To realize the electric connection of flexible circuit board 150 Yu binding portion 1221.
In above-mentioned touch screen 100, since insulation glue-line 130 only is arranged without in second area in first area 112a
112b setting insulation glue-line 130, when be sticked on substrate 110 protective film layer 140 after, protective film layer 140 can be with substrate 110
Second area 112b is flat and fit, so as to avoid protective film layer 140 and insulation glue-line 130 positioned at second area 112b from pasting
The corrosive gas being gathered at hollow is generated after conjunction, and then can avoid or reduce the risk that touch pattern 121 is corroded, and is mentioned
The service life of high touch screen 100.
Due to installation error, there may be gap to be difficult to keep away between the end of sealing layer 142 and the end for the glue-line 130 that insulate
Exempt from, extraneous corrosive gas has the risk for entering from the gap and on the inside of substrate 110 and corroding touch pattern 121.It is real one
Apply in example, refering to what is shown in Fig. 6, the end of sealing layer 142 and insulation glue-line 130 end interval and formed in connecting substrate 110
The channel 111 of side.In conjunction with shown in Fig. 4 and Fig. 6, the end of insulation glue-line 130 is extended with multiple raised 131, raised 131 and insulation
Glue-line 130 is integrally formed, and multiple raised 131 are arranged at intervals in channel 111.It should be noted that in the description of the present application,
Unless otherwise specifically defined, the meaning at least two of " multiple ", such as two, three and with first-class.
In above-mentioned touch screen 100, since multiple raised 131 are arranged at intervals in channel 111, extraneous corrosivity is extended
Gas enters the path of 110 inside of substrate, so that the touch pattern 121 of 110 inside of substrate is not easy to be corroded.In an embodiment
In, refering to what is shown in Fig. 3, the both ends of second area 112b extend to the edge of substrate 110, the both ends of first area 112a and second
The inside of region 112b connects.So set, can further extending channel 111 depth, the depth in channel 111 is close to the
The distance d1 of outside to the inside of one region 112a can extend extraneous corrosive gas by channel 111 and enter 110 inside of substrate
Path.
In one embodiment, substrate 110 is provided with the auxiliary patterns 112 in channel 111, the material of auxiliary patterns 112
Material includes the combination of following one or more: metallic silver or metallic copper.Auxiliary patterns 112 can be used for anti-with corrosive gas
It answers (such as hydrogen sulfide, sulfidation corrosion occurs), auxiliary patterns 112 can be as sacrifice part to reduce or delay by channel 111
The corrosive gas for entering to 110 inside of substrate, to extend the service life of touch screen 100.In one embodiment, auxiliary figure
A part of case 112 is set between protrusion 131 and substrate 110, and another part exposes to protrusion 131 and is set to protrusion 131
Between sealing layer 142, the part auxiliary patterns 112 for exposing to protrusion 131 can be used in reacting with corrosive gas.It is real one
It applies in example, the length value for exposing to the part auxiliary patterns 112 of protrusion 131 is more than or equal to 0.3mm.
Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, all should be considered as described in this specification.
The embodiments described above only express several embodiments of the present invention, and the description thereof is more specific and detailed, but simultaneously
It cannot therefore be construed as limiting the scope of the patent.It should be pointed out that coming for those of ordinary skill in the art
It says, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to protection of the invention
Range.Therefore, the scope of protection of the patent of the invention shall be subject to the appended claims.
Claims (10)
1. a kind of touch screen characterized by comprising
Substrate, with Touch Zone and around the non-touch area of Touch Zone setting, the non-touch area includes first area
And second area, the first area away from the Touch Zone side to the distance of the touch-control area edge, be greater than described the
Two regions deviate from the side of the Touch Zone to the distance of the touch-control area edge；
Conductive pattern layer, including touch pattern and lead pattern, the touch pattern are set to the Touch Zone, the lead pattern
It is set to the first area, and the lead pattern and the touch pattern are electrically connected；
Insulate glue-line, is set to the first area and covers the lead pattern；And
Protective film layer, including body layer and sealing layer, the body layer connect with the insulation glue-line and cover the non-touch-control
Area and the Touch Zone, the sealing layer are set between the body layer and the second area.
2. touch screen according to claim 1, which is characterized in that the end of the end of the sealing layer and the insulation glue-line
Portion interval simultaneously forms the channel being connected on the inside of the substrate, and the end of the insulation glue-line is extended with multiple protrusions, and multiple institutes
Bulge clearance is stated to be set in the channel.
3. touch screen according to claim 2, which is characterized in that the both ends of the second area extend to the substrate
Edge, the both ends of the first area are connect with the inside of the second area.
4. touch screen according to claim 2, which is characterized in that the substrate is provided with the auxiliary in the channel
Pattern, the auxiliary patterns with corrosive gas for reacting.
5. touch screen according to claim 4, which is characterized in that a part of the auxiliary patterns is set to the protrusion
Between the substrate, another part exposes to the protrusion and is set between the protrusion and the sealing layer, exposes to
The part auxiliary patterns of the protrusion with corrosive gas for reacting.
6. touch screen according to claim 5, which is characterized in that expose to the part auxiliary patterns of the protrusion
Length value is more than or equal to 0.3mm.
7. touch screen according to claim 1, which is characterized in that the lead pattern includes driving route and induction road
Line, the driving route and the induction route are set to the same side of the substrate；Alternatively, the driving route and the sense
Route is answered to be set to the opposite two sides of the substrate.
8. touch screen according to claim 7, which is characterized in that the touch screen offer through the protective film layer and
The window of the insulation glue-line, the driving route and the induction route all have binding portion, and the binding portion exposes to institute
State window.
9. a kind of touching display screen characterized by comprising
Touch screen as claimed in any of claims 1 to 8 in one of claims；And
Display screen is connect with the touch screen.
10. a kind of intelligent terminal characterized by comprising
Mainboard；And
Touching display screen as claimed in claim 9, the touching display screen include flexible circuit board, the flexible circuit board with
The mainboard and the lead pattern are electrically connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910923485.4A CN110489017B (en) | 2019-09-27 | 2019-09-27 | Touch screen, touch display screen and intelligent terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910923485.4A CN110489017B (en) | 2019-09-27 | 2019-09-27 | Touch screen, touch display screen and intelligent terminal |
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| Publication Number | Publication Date |
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| CN110489017A true CN110489017A (en) | 2019-11-22 |
| CN110489017B CN110489017B (en) | 2022-08-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910923485.4A Active CN110489017B (en) | 2019-09-27 | 2019-09-27 | Touch screen, touch display screen and intelligent terminal |
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Cited By (6)
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| CN112328110A (en) * | 2020-10-30 | 2021-02-05 | 江西慧光微电子有限公司 | Touch control assembly, touch control screen and electronic equipment |
| CN112346600A (en) * | 2020-12-03 | 2021-02-09 | 业成科技（成都）有限公司 | Touch structure and device with same |
| CN112363640A (en) * | 2020-11-12 | 2021-02-12 | 业成科技（成都）有限公司 | Touch sensing module and method for forming the same |
| CN112416163A (en) * | 2020-10-26 | 2021-02-26 | 京东方科技集团股份有限公司 | Display panel, touch substrate and preparation method thereof |
| CN112462976A (en) * | 2020-12-09 | 2021-03-09 | 业成光电(无锡)有限公司 | Touch control film and manufacturing method thereof |
| CN112732123A (en) * | 2021-02-26 | 2021-04-30 | 业成科技（成都）有限公司 | Touch panel and touch display device using same |
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