CN104484067B - Contact panel and preparation method thereof, display panel and touch control display apparatus - Google Patents
Contact panel and preparation method thereof, display panel and touch control display apparatus Download PDFInfo
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- CN104484067B CN104484067B CN201410736460.0A CN201410736460A CN104484067B CN 104484067 B CN104484067 B CN 104484067B CN 201410736460 A CN201410736460 A CN 201410736460A CN 104484067 B CN104484067 B CN 104484067B
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- electrode pattern
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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
Abstract
The present invention is contact panel and preparation method thereof, display panel and touch control display apparatus, suitable for technical field of touch control, there is provided a kind of contact panel, it at least includes a substrate and is formed at the electrode pattern of substrate surface, electrode pattern includes the main electrode pattern and auxiliary electrode pattern that lamination is set, auxiliary electrode pattern is arranged on main electrode pattern, projection of the auxiliary electrode pattern on substrate at least partly covers the projection of main electrode pattern, electrode pattern is kept continuous in the position that opening a way occur in main electrode pattern or auxiliary electrode pattern.The present invention is by being above-mentioned double-decker by electrode pattern design, auxiliary electrode pattern is arranged on main electrode pattern, and can be compensated when main electrode pattern or auxiliary electrode pattern are opened a way, keep circuit continuous, and then improve the reliability and yield of contact panel, and because the electrode pattern or signal wire have double shield, ensure it without open circuit, therefore what circuit can be done is narrower, improve touch accuracy, the setting of dual electrode advantageously reduces the resistance of electrode pattern, and then improves touch-control sensitivity.
Description
Technical field
The invention belongs to technical field of touch control, more particularly to a kind of contact panel and preparation method thereof, display panel and touch
Control display device.
Background technology
Contact panel typically at least includes substrate and the electrode pattern being arranged on substrate, for recognizing touch action, bag
The contact panel of tft array substrate is included, in addition to for driving the electrode pattern of liquid crystal molecule, electrode pattern is typically led by one
Electric layer is formed through photoetching process.At present, some have the high-end electronic product of touch controllable function to touch-control sensitivity requirements increasingly
It is high, it is therefore desirable to which that tactile membrane electrode pattern is made sufficiently narrow.However, electrode pattern is narrower, photoetching difficulty is bigger, and often makes
Into the open circuit of electrode pattern, product yield is caused to decline, it is therefore desirable to provide a kind of new technical scheme to solve the above problems.
The content of the invention
It is an object of the invention to provide a kind of contact panel, it is intended to improves touch-control sensitivity and lifts product yield.
The present invention is achieved in that a kind of contact panel, and it at least includes a substrate and is formed at the substrate table
The electrode pattern in face, the electrode pattern includes the main electrode pattern and auxiliary electrode pattern that lamination is set, the auxiliary electrode pattern
It is arranged on the main electrode pattern, the projection of the auxiliary electrode pattern on the substrate at least partly covers the main electricity
The projection of pole figure case on the substrate, makes the electrode pattern occur what is opened a way in the main electrode pattern or auxiliary electrode pattern
Position keeps continuous.
Another object of the present invention is to provide a kind of preparation method of contact panel, at least including making electrode pattern
The step of step, making electrode pattern, includes：
The first conductive layer is formed on a substrate；
First conductive layer is carried out to be lithographically formed main electrode pattern；
The second conductive layer is formed on the surface of the main electrode pattern；
Second conductive layer is carried out to be lithographically formed auxiliary electrode pattern, the throwing of the auxiliary electrode pattern on the substrate
Shadow at least partly covers the main electrode pattern, it is ensured that the position for occurring opening a way in the main electrode pattern or auxiliary electrode pattern is protected
Hold continuous.
Another object of the present invention is to provide a kind of display panel, at least including a TFT substrate and formation described
Signal wire on TFT substrate, the signal wire includes the main signal line and auxiliary signal wire that lamination is set, and the auxiliary signal wire is set
It is placed on the main signal line, the projection of the auxiliary signal wire on the substrate at least partly covers the main signal line and existed
Projection on the substrate, and the signal wire keeps company in the position that opening a way occur in the main signal line or auxiliary signal wire
It is continuous.
Another object of the present invention is to provide a kind of touch control display apparatus, including tft array substrate, colored filter and
Cover plate, signal wire is provided with the surface of the tft array substrate, on the surface of the colored filter or cover plate provided with touch-control electricity
Pole, the signal wire and/or touch control electrode include main electrode layer and auxiliary electrode layer, and the auxiliary electrode layer is arranged at the main electrode
On layer, the projection of the auxiliary electrode layer on the substrate at least partly covers the throwing of the main electrode layer on the substrate
Shadow, the signal wire and/or touch control electrode keep continuous in the position that opening a way occur in the main electrode layer or auxiliary electrode layer.
The present invention by electrode pattern (signal wire or touch control electrode etc.) by being designed as above-mentioned double-decker, auxiliary electrode pattern
It is arranged on main electrode pattern, and can be compensated when main electrode pattern or auxiliary electrode pattern are opened a way, keeps line
Road is continuous, such as when unexpected disconnect occurs in main electrode pattern, auxiliary electrode pattern can make up the defect, and then improve touch surface
The reliability and yield of plate, and because the electrode pattern has double shield, it is ensured that it can do circuit without open circuit
It is narrower, touch accuracy is further improved, and the setting of dual electrode advantageously reduces the resistance of electrode pattern, and then improve touch-control
Sensitivity.
Brief description of the drawings
Fig. 1 is the first planar structure schematic diagram of contact panel provided in an embodiment of the present invention；
Fig. 2 is the A-A of contact panel shown in Fig. 1 to sectional view；
Fig. 3 is the partial sectional view when main electrode pattern of contact panel provided in an embodiment of the present invention is opened a way；
Fig. 4 is second of planar structure schematic diagram of contact panel provided in an embodiment of the present invention；
Fig. 5 is the preparation method flow chart of contact panel provided in an embodiment of the present invention.
Fig. 6 is the side structure schematic view of touch control display apparatus provided in an embodiment of the present invention.
Embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, it is right below in conjunction with drawings and Examples
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
Implementing for the present invention is described in detail below in conjunction with specific embodiment：
It refer to Fig. 1~Fig. 3, the embodiment of the present invention provides a kind of contact panel, at least including substrate 1 and be formed at base
The electrode pattern 2 on the surface of plate 1, the electrode pattern 2 includes lamination and set and line construction identical main electrode pattern 21 and auxiliary electricity
Pole figure case 22, the auxiliary electrode pattern 22 is arranged on main electrode pattern 21, and the projection of auxiliary electrode pattern 22 on substrate 1 is at least
Part covering main electrode pattern 21, makes electrode pattern be kept in the position that opening a way occur in main electrode pattern 21 or auxiliary electrode pattern 22
Continuously, such as Fig. 2 and Fig. 3.The substrate 1 can be used for carrying the medium of the electrode pattern 2, and it can be exclusively used in carrying electrode
Pattern 2 or for carrying electrode pattern 2 while also serving as the medium of other functions, for example cover sheet on the one hand use
In protection device, electrode pattern on the other hand can be carried, therefore the substrate 1 described in the present embodiment includes owning in contactor control device
Can for carry electrode pattern 2 medium.The electrode pattern 2 is double-decker, in main electrode pattern 21 or auxiliary electrode pattern
22 positions for occurring opening a way keep continuously being meant that：For the electrode pattern 2 completed, main electrode pattern 21 has two kinds
May, the first is that non-default open circuit do not occur, and second is to occur in that non-default open circuit, i.e., somewhere unexpected disconnected
Open.In the latter case, auxiliary electrode pattern 22 is to maintain continuously in the position that opening a way occurs in main electrode pattern 21, main electrode
The open circuit of pattern 21 is compensated by auxiliary electrode pattern 22, it is ensured that electrode pattern 2 is overall not to open a way, and auxiliary electrode pattern 22 exists
The continuous position of main electrode pattern 21 is not excluded for the possibility of open circuit, then in the position of the open circuit, main electrode pattern 21 is also given
Give corresponding compensation；For the first situation, even if auxiliary electrode pattern 22 has open circuit defect, to the continuous of overall electrode pattern 2
Property does not influence still, and therefore, in the case that main electrode pattern 21 is not opened a way, being also not excluded for auxiliary electrode pattern 22 has open circuit
Possibility, and it is this open circuit equally compensated by main electrode pattern 21.And be used as preferred embodiment, auxiliary electrode pattern 22 is in office
What is all continuous without open circuit in the case of.Also, during making, it is also difficult to judge the open circuit of main electrode pattern 21 in time
Situation, therefore auxiliary electrode pattern 22 is preferably without open circuit.
In the present embodiment, contact panel also includes cover plate, and it, which covers substrate 1, has the one side of electrode pattern 2, and cover plate is remote
One side from electrode pattern 2 is touch surface.Or, substrate 1 is cover plate, and electrode pattern 2 is formed on cover plate, and cover plate is away from electricity
The one side of pole figure case is touch surface.
It is auxiliary when unexpected disconnect occurs in main electrode pattern 21 by the way that electrode pattern 2 is designed as into above-mentioned major-minor electrode structure
Electrode pattern 22 can make up the defect, it is ensured that electrode pattern 2 is continuous, and then improve the reliability and yield of contact panel, and
And because the electrode pattern 2 has double shield, it is ensured that its without open circuit, therefore circuit can be done it is narrower, further improve touch
Precision is controlled, and the setting of dual electrode advantageously reduces the resistance of electrode pattern, and then improve touch-control sensitivity.
In the present embodiment, auxiliary electrode pattern 22 is as the auxiliary electrode of main electrode pattern 21, and its width and thickness need not
Excessive, the projection width of auxiliary electrode pattern 22 on substrate 1 can be less than or equal to the projection of main electrode pattern 21 on substrate 1
Width, and the projection of auxiliary electrode pattern 22 on substrate 1 fallen among the projection of main electrode pattern 21 on substrate 1, it is preferably auxiliary
The projection width of electrode pattern on substrate 1 is less than the projection width of main electrode pattern 21 on substrate 1, and this set-up mode can be with
Step is produced on electrode pattern, the probability of bubble is produced when being conducive to reducing follow-up laminating.
In addition, the thickness of auxiliary electrode pattern 22 is less than the thickness of main electrode pattern 21, the preferably thickness of main electrode pattern 21
1/2nd, on the one hand consider function realization and material usage control, on the other hand prevent in photoetching auxiliary electrode pattern
To the damage of main electrode pattern 21 when 22, therefore main electrode pattern 21 is thicker to play a protective role.
In the present embodiment, the concrete structure of main electrode pattern 21 and auxiliary electrode pattern 22 can have a variety of, the present embodiment
There is provided following two, such as Fig. 1, electrode pattern 2 includes the multiple row electrodes 23 and row electrode 24 of orthogonal arrangement, each row electrode 23
A contact conductor is respectively connected with row electrode 24, each row electrode 23 and row electrode 24 include multiple rectangular conductive blocks 25 and connected
Connect the connect band 26 of adjacent conductive block 25, the connect band 26 of row electrode 23 and row electrode 24 intersects and insulated from each other one by one, shape
Into array structure.Above-mentioned conducting block 25 and connect band 26 are double-decker.Also, each row electrode 23 and row electrode 24 connect
Contact conductor is connected to, the line bonding portion on contact panel periphery is connected to, the contact conductor can also use above-mentioned major-minor bilayer
Structure, i.e., including main electrode lead and auxiliary electrode lead, it is ensured that electrode lead portion occurs without open circuit.
It is preferred that, main electrode lead is made in the lump with main electrode pattern 21 in same processing procedure, auxiliary electrode lead and auxiliary electricity
Pole figure case 22 is made in the lump in same processing procedure.The projection width of auxiliary electrode pattern 22 on substrate 1 can be more than main electrode figure
The projection width of case 21 on substrate 1.Its benefit is that main electrode pattern can be completely covered, it is ensured that main electrode pattern it is complete with
And line resistance is uniform.
Main electrode lead and main electrode pattern 21 all by same conductive layer through exposure and development, the gold-tinted technique such as photoetching or
Radium art is made；Auxiliary electrode lead and auxiliary electrode pattern 22 all by another conductive layer through exposure and development, the gold-tinted technique such as photoetching
Or Radium art is made.
As another electrode pattern, such as Fig. 4, the multiple row electrodes 23 and row of the electrode pattern 2 also including orthogonal arrangement
Electrode 24, each row electrode 23 and row electrode 24 include the conducting block of multiple conducting blocks 27 of word order, colleague or same column
The 27 same contact conductors of connection, or 27 points of the conducting block of colleague or same column is some groups, every group of conducting block 27 connects same electricity
The conducting block 27 of pole lead, the conducting block of multiple row electrodes and multiple row electrodes forms matrix structure in pairs.Such as Fig. 4 institutes
Show, each row electrode 24 includes a straight wire 28 and the multiple branch lines 29 connected along straight wire interval, each branch line 29 is connected
One triangle conducting block 27, the conducting block 27 of row electrode 23 is then connected to lead electrode, row electrode by the branch line of different length
23 conducting block 27 and the conducting block 27 of row electrode 24 in pairs, form matrix structure.Similarly, the electrode pattern 2 also has
Some contact conductors, its contact conductor can also use the structure of major-minor contact conductor.In other embodiments, conducting block is also
The shapes such as rectangular, V-shaped, polygon or hollow out can be set.
The present invention further provides the method for making above-mentioned contact panel, this method at least includes making the electrode pattern
Step, specific such as Fig. 5,
In step S101, the first conductive layer is formed on a substrate；
In step s 102, the first conductive layer is carried out being lithographically formed main electrode pattern；
In step s 103, the second conductive layer is formed on the surface of main electrode pattern；
In step S104, the second conductive layer is carried out to be lithographically formed auxiliary electrode pattern, auxiliary electrode pattern is on substrate
Projection at least partly covering main electrode pattern, it is ensured that the position for occurring opening a way in main electrode pattern or auxiliary electrode pattern keeps connecting
It is continuous.
It is appreciated that the preparation method is also comprising other schemes for realizing above-mentioned electrode pattern structure, such as by auxiliary electrode
The thickness of pattern 22 is made as more than 1/2nd of the thickness of main electrode pattern 21, and electrode pattern 2 is designed as into above two
Structure, and the contact conductor that electrode pattern 2 is drawn are set to above-mentioned double-decker etc., and the present embodiment is repeated no more.
This method is to use to form conductive layer-photoetching, exposure, figure etc.-formation conductive layer-photoetching, exposure, figure
Deng mode make main electrode pattern 21 and auxiliary electrode pattern 22, after main electrode pattern 21 has been made make auxiliary electrode pattern
22, when there is unexpected open circuit when making main electrode pattern 21, it can be compensated when making auxiliary electrode pattern 22, it is ensured that electricity
Pole figure case is without open circuit；And compared to the thicker mode for disposably doing electrode pattern, there is the probability opened a way in this mode
It is obviously reduced, and material usage will not be increased, product yield is high, is adapted to widely used.
The present invention further provides a kind of display panel, at least including a TFT substrate and formation on TFT substrate
Signal wire, the signal wire includes the main signal line and auxiliary signal wire that lamination is set, and the auxiliary signal wire is arranged on main signal line,
Projection of the auxiliary signal wire on substrate at least partly covers main signal line, and the signal wire goes out in main signal line or auxiliary signal wire
The position now opened a way keeps continuous, and signal wire is data wire and/or scan line.The structure of the signal wire and above-mentioned electrode pattern
Structure is similar, solves signal wire open circuit problem again by double-decker, improves a figure yield of product.
With further reference to Fig. 6, the present invention further provides a kind of touch control display apparatus, including tft array substrate 601, coloured silk
Colo(u)r filter 602, cover plate 603 and backlight module 604, signal wire 605 is provided with the surface of tft array substrate 601, in colour filter
The surface of mating plate 602 or cover plate 603 is provided with touch control electrode 606, and signal wire 605 can be used and above-mentioned electrode pattern or signal wire
Similar double-decker, touch control electrode 606 can also use the double-decker similar to above-mentioned signal wire, i.e., including main electrode layer
With auxiliary electrode layer, auxiliary electrode layer is arranged on main electrode layer, and projection of the auxiliary electrode layer on substrate at least partly covers main electricity
Pole layer, and signal wire and (or) there is the position opened a way in main electrode layer or auxiliary electrode layer and keeps continuous in touch control electrode.
In the present embodiment, touch control electrode can be set on cover plate 603, while being set on colored filter 602 public
Electrode is not provided with common electrode, or cover plate 603, touch control electrode is set on colored filter 602.
The touch control electrode 606 and signal wire 605 of the touch control display apparatus use above-mentioned double-decker, it is ensured that whole electricity
Its product yield is improved in pole without open circuit, and further improves resolution ratio.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
Any modifications, equivalent substitutions and improvements made within refreshing and principle etc., should be included in the scope of the protection.
Claims (8)
1. a kind of contact panel, it at least includes a substrate and is formed at the electrode pattern of the substrate surface, and its feature exists
In the electrode pattern includes the main electrode pattern and auxiliary electrode pattern that lamination is set, and the auxiliary electrode pattern is arranged at described
On main electrode pattern, the projection of the auxiliary electrode pattern on the substrate at least partly covers the main electrode pattern in institute
The projection on substrate is stated, makes the electrode pattern keep connecting in the position that opening a way occur in the main electrode pattern or auxiliary electrode pattern
It is continuous；The projection of the auxiliary electrode pattern on the substrate is fallen among the projection of the main electrode pattern on the substrate,
The projection width of the auxiliary electrode pattern on the substrate is less than the projection width of the main electrode pattern on the substrate；
The thickness of the auxiliary electrode pattern is less than the thickness of the main electrode pattern.
2. contact panel as claimed in claim 1, it is characterised in that the electrode pattern includes multiple rows electricity of orthogonal arrangement
Pole and row electrode, each row or column electrode connect a contact conductor, and each the row electrode and row electrode include many
The connect band of individual conducting block and connection adjacent conductive block, the connect band of the row electrode and row electrode intersects and exhausted each other one by one
Edge.
3. contact panel as claimed in claim 2, it is characterised in that the main electrode that the contact conductor includes lamination setting is drawn
Line and auxiliary electrode lead, the main electrode lead are made in the lump with the main electrode pattern in same processing procedure, the auxiliary electrode
Lead is made in the lump with the auxiliary electrode pattern in same processing procedure.
4. the contact panel as described in any one of claims 1 to 3, it is characterised in that the contact panel also includes cover plate, its
Covering the substrate has the one side of the electrode pattern, and one side of the cover plate away from the electrode pattern is touch surface.
5. the contact panel as described in any one of claims 1 to 3, it is characterised in that the substrate is cover plate, the electrode figure
Case is formed on the cover plate, and one side of the cover plate away from the electrode pattern is touch surface.
6. a kind of preparation method of contact panel, it is characterised in that at least including making electrode pattern the step of, the making electricity
The step of pole figure case, includes：
The first conductive layer is formed on a substrate；
First conductive layer is carried out to be lithographically formed main electrode pattern；
The second conductive layer is formed on the surface of the main electrode pattern；
Second conductive layer is carried out to be lithographically formed auxiliary electrode pattern, the projection of the auxiliary electrode pattern on the substrate is extremely
Small part covers the projection of the main electrode pattern on the substrate, it is ensured that go out in the main electrode pattern or auxiliary electrode pattern
The position now opened a way keeps continuous；The projection of the auxiliary electrode pattern on the substrate falls into the main electrode pattern described
Among projection on substrate, the projection width of the auxiliary electrode pattern on the substrate is less than the main electrode pattern described
Projection width on substrate；The thickness of the auxiliary electrode pattern is less than the thickness of the main electrode pattern.
7. a kind of display panel, at least including a TFT substrate and the signal wire formed on the TFT substrate, its feature
It is, the signal wire includes the main signal line and auxiliary signal wire that lamination is set, the auxiliary signal wire is arranged at the main signal
On line, the projection of the auxiliary signal wire on the substrate at least partly covers the throwing of the main signal line on the substrate
Shadow, and the signal wire keeps continuous in the position that opening a way occur in the main signal line or auxiliary signal wire；The auxiliary signal wire
Projection in the TFT substrate is fallen among projection of the main signal line in the TFT substrate, and the auxiliary signal wire exists
Projection width in the TFT substrate is less than projection width of the main signal line in the TFT substrate；The auxiliary signal wire
Thickness be less than the main signal line thickness.
8. a kind of touch control display apparatus, it is characterised in that including tft array substrate, colored filter and cover plate, its feature exists
In, signal wire is provided with the surface of the tft array substrate, it is electric provided with touch-control on the surface of the colored filter or cover plate
Pole, the signal wire and/or touch control electrode include main electrode layer and auxiliary electrode layer, and the auxiliary electrode layer is arranged at the main electrode
On layer, the projection of the auxiliary electrode layer on the substrate at least partly covers the throwing of the main electrode layer on the substrate
Shadow, the signal wire and/or touch control electrode keep continuous in the position that opening a way occur in the main electrode layer or auxiliary electrode layer；Institute
State projection of the auxiliary electrode layer on the tft array substrate and fall into projection of the main electrode layer on the tft array substrate
Among, projection width of the auxiliary electrode layer on the tft array substrate is less than the main electrode layer in the tft array base
Projection width on plate；The thickness of the auxiliary electrode layer is less than the thickness of the main electrode layer.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410736460.0A CN104484067B (en) | 2014-12-05 | 2014-12-05 | Contact panel and preparation method thereof, display panel and touch control display apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410736460.0A CN104484067B (en) | 2014-12-05 | 2014-12-05 | Contact panel and preparation method thereof, display panel and touch control display apparatus |
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| CN104484067A CN104484067A (en) | 2015-04-01 |
| CN104484067B true CN104484067B (en) | 2017-10-27 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107340941A (en) * | 2017-06-28 | 2017-11-10 | 昆山国显光电有限公司 | A kind of capacitive touch screen and preparation method thereof |
| CN107342370B (en) * | 2017-07-06 | 2019-05-07 | 武汉天马微电子有限公司 | Display panel and display device |
| CN108369472B (en) * | 2018-01-10 | 2021-07-20 | 深圳市汇顶科技股份有限公司 | Electrode abnormity processing method and device, touch screen and electronic terminal |
| CN112732119B (en) * | 2021-01-06 | 2023-07-25 | 武汉华星光电半导体显示技术有限公司 | Touch display panel |
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| CN1705225A (en) * | 2004-05-31 | 2005-12-07 | 富士通媒体部品株式会社 | Surface acoustic wave device |
| CN103472616A (en) * | 2013-09-24 | 2013-12-25 | 京东方科技集团股份有限公司 | Touch display panel, display device and manufacturing method of color film substrate |
| CN203909747U (en) * | 2014-05-15 | 2014-10-29 | 宸鸿科技(厦门)有限公司 | Touch panel |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20140062916A1 (en) * | 2012-08-28 | 2014-03-06 | Lg Display Co., Ltd. | Touch panel and method of manufacturing the same and display device using the same |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1705225A (en) * | 2004-05-31 | 2005-12-07 | 富士通媒体部品株式会社 | Surface acoustic wave device |
| CN103472616A (en) * | 2013-09-24 | 2013-12-25 | 京东方科技集团股份有限公司 | Touch display panel, display device and manufacturing method of color film substrate |
| CN203909747U (en) * | 2014-05-15 | 2014-10-29 | 宸鸿科技(厦门)有限公司 | Touch panel |
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