CN104867404A - Polaroid structure with touch electrode - Google Patents
Polaroid structure with touch electrode Download PDFInfo
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- CN104867404A CN104867404A CN201410057894.8A CN201410057894A CN104867404A CN 104867404 A CN104867404 A CN 104867404A CN 201410057894 A CN201410057894 A CN 201410057894A CN 104867404 A CN104867404 A CN 104867404A
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Abstract
The invention relates to a polaroid structure with a touch electrode. The polaroid structure comprises a bonding layer, a first protection layer, a light polarization layer, a second protection layer and a touch electrode layer. The first protection layer is formed on the surface of the bonding layer and comprises a first surface bonded with the bonding layer and a second surface opposite to the first surface; the light polarization layer is formed on the second surface; the second protection layer is formed on the surface of the light polarization layer and comprises a third surface close to the light polarization layer and a fourth surface opposite to the third surface; and the touch electrode layer is at least formed on one surface of the first protection layer and the second protection layer. As the polaroid structure directly has the touch function, the thinned development tendency of products can be met, and the aims of making the manufacturing process simple and effectively reducing the production cost can be achieved.
Description
Technical field
The present invention relates to a kind of polaroid structure, particularly relate to a kind of polaroid structure with touch control electrode.
Background technology
Along with the epoch are progressive, sci-tech product is more and more towards human oriented design, and novel generation has just been started in the birth of touch technology now, also flourish due to high-tech electronic information industry, consumption electronic products have become the necessity in people's daily life, and all stride forward towards the trend of slimming, particularly combine display and the touch control display device of input two kinds of functions, more significantly can promote the Practical Performance of all types of consumption electronic products.
The production method of general touch control display device is numerous, wherein one is by a display panel and a contact panel, frame glue is utilized to combine in the mode of laminating, and touch controllable function and Presentation Function are combined, but, this production method, frame glue only can be coated around this display panel or this contact panel, and make have gap to exist between this contact panel and display panel, when light passes, easily because of the refractive index difference between different medium, and display panel is made to produce the problem of light leak or the decline of light penetration rate.
For improving this problem, just the mode using optical cement to replace frame glue is had to paste, optical cement coats between this display panel and contact panel all sidedly, therefore, the situation that this display panel does not just have light leak produces and has good display effect, but the cost needed for optical cement is higher and after a long time use, easily produce the not good problem of reliability.
In addition, utilize the production method that contact panel and display panel are fitted, the problem that when also easily facing excessive glue or laminating in the process made, bubble produces, glue coating material often also needs through tight calculating, the height of such as glue material, thickness and aperture position etc., just can avoid excessive glue, but the height of glue material and thickness wayward, produce bubble between the two when therefore also easily causing contact panel to fit in display panel, and then affect the yield of touch control display device.Moreover above-mentioned touch control display device, is fitted after need making contact panel and display panel respectively again, therefore not only volume is large and thickness is also thicker, and cannot meet the demand of market for slimming.
Aforementionedly caused thickness problem is made respectively because of contact panel and display panel in order to reduce, therefore have at present and the touch-control sensing electrode with touch controllable function is integrated in display panel, display panel is made inherently to have touch controllable function, therefore do not need additionally to carry out the laminating of contact panel and the demand of slimming can be reached, but this production method institute problems faced is increase and the programming of loaded down with trivial details processing procedure of cost of manufacture, because display panel is different from the processing procedure mode of touch-control sensing electrode, so the manufacturing process of the two is quite loaded down with trivial details, and because of this touch-control sensing electrode be arranged in display panel, so when display panel detects in manufacture process, if this touch-control sensing electrode damage or loose contact detected, and cannot carry out safeguarding or changing for this touch-control sensing electrode, and cause the reduction of process rate, and then cause the raising of production cost.
Based on the development and apply of above-mentioned touch control display device, how meeting the development trend of electronic product slimming, and effectively can reduce production cost, is for the present invention studies the important goal of improvement.
Summary of the invention
The object of the present invention is to provide and a kind ofly can reduce product thickness and reduce the polaroid structure with touch control electrode of cost of manufacture.
The polaroid structure with touch control electrode of the present invention, comprises one deck adhesive coating, one deck first protective seam, one deck polarizing layer, one deck second protective seam, and one deck touch control electrode layer.
This first protective seam is formed at the surface of this adhesive coating, comprises a first surface bonding with this adhesive coating, and a second surface relative to this first surface; This polarizing layer is formed at this second surface; This second protective seam is formed at the surface of this polarizing layer, comprises the 3rd surface of this polarizing layer of vicinity, and the 4th surface relative to the 3rd surface; This touch control electrode layer is at least formed at a wherein surface of this first protective seam and the second protective seam.
The polaroid structure with touch control electrode of the present invention, wherein, this touch control electrode layer is formed at this second surface or the 3rd surface.
The polaroid structure with touch control electrode of the present invention, wherein, this touch control electrode layer is formed at the 3rd surface.
The polaroid structure with touch control electrode of the present invention, wherein, this touch control electrode layer comprises many along a first direction arrangement and each other without the first induction electrode of electrical connection, and many to arrange with the angled second direction of this first direction and each other without the second induction electrode be electrically connected along one, and described first induction electrode and the second induction electrode are each other without being electrically connected.
The polaroid structure with touch control electrode of the present invention, wherein, described first induction electrode is formed at this first surface or second surface, and described second induction electrode is formed at the 3rd surface or the 4th surface.
The polaroid structure with touch control electrode of the present invention, wherein, described first induction electrode is formed at this first surface, and described second induction electrode is formed at the 3rd surface.
The polaroid structure with touch control electrode of the present invention; wherein; this touch control electrode layer comprises many and is spaced along a first direction; and each other without the first induction electrode of electrical connection; and many to be staggered with described first induction electrode and each other without the second induction electrode be electrically connected along this first direction; described first induction electrode and described second induction electrode each other without being electrically connected, and are formed at a wherein surface of this first protective seam and the second protective seam simultaneously.
The polaroid structure with touch control electrode of the present invention, wherein, the material of this touch control electrode layer is selected from indium tin oxide, development, CNT, conducting polymer and metal grill (metal mesh), and an aforementioned wherein combination.
The polaroid structure with touch control electrode of the present invention, also comprises one deck and is formed at the separating layer of this adhesive coating away from the surface of this first protective seam removedly.
The polaroid structure with touch control electrode of the present invention, also comprises the sealer that one deck is formed at the 4th surface removedly.
Beneficial effect of the present invention is: utilize this touch control electrode layer to arrange and be integrated in the polaroid structure of display panel, do not need to make a contact panel in addition again, just display panel can be made to have the function of display and touch-control simultaneously, and the development trend of product slimming can be met, not only processing procedure is simple and easy also can reduce production cost effectively.
Accompanying drawing explanation
Fig. 1 illustrates that the present invention has a three-dimensional exploded view of the first preferred embodiment of the polaroid structure of touch control electrode;
Fig. 2 is the schematic diagram that the mode of this first preferred embodiment of the present invention when reality uses is described;
Fig. 3 illustrates that the present invention has a three-dimensional exploded view of the second preferred embodiment of the polaroid structure of touch control electrode;
Fig. 4 illustrates that the present invention has a three-dimensional exploded view of the 3rd preferred embodiment of the polaroid structure of touch control electrode.
Embodiment
Before the present invention is described in detail, should note in the following description content, similar element represents with identical numbering.
Consult Fig. 1; the present invention has the first preferred embodiment of the polaroid structure of touch control electrode; comprise one deck separating layer 2, one deck adhesive coating 3, one deck first protective seam 4, one deck polarizing layer 5, one deck second protective seam 6, one deck touch control electrode layer 7, and layer of surface protective seam 8.
This separating layer 2 can select tygon, polypropylene, or polyethylene terephthalate etc. has the macromolecular material of release effect.
This adhesive coating 3 is formed at the surface of this separating layer 2, and this separating layer 2 can be used for preventing this adhesive coating 3 from losing stickiness, and this separating layer 2 be removedly with this adhesive coating 3 gluing.
This first protective seam 4 is formed at the surface of this adhesive coating 3, comprises the first surface 41 of this adhesive coating 3 of vicinity, and a second surface 42 relative to this first surface 41.This first protective seam 4 can select tygon, Polyvinylchloride, poly-Triafol T, or the macromolecular material such as polyethylene terephthalate.
This polarizing layer 5 is formed at this second surface 42, is mainly made up of polyvinyl alcohol (PVA), has and is carried out screening by light and make the characteristic that particular polarity light passes through.
This second protective seam 6 is formed at the surface of this polarizing layer 5, comprises the 3rd surface 61 of this polarizing layer 5 of vicinity, and the 4th surface 62 relative to the 3rd surface 61.This second protective seam 6 can select tygon, Polyvinylchloride, poly-Triafol T equally, or the macromolecular material such as polyethylene terephthalate, and can be identical or different with this first protective seam 4.
This touch control electrode layer 7 is formed at wherein arbitrary surface on this second surface 42 or the 3rd surface 61, comprise many along a first direction X be spaced and each other without electrical connection the first induction electrode 71, many to arrange with the angled second direction Y of this first direction X and each other without the second induction electrode 72 be electrically connected along one, and multi-disc is arranged at the insulation course (not shown) of described first induction electrode 71 and the second induction electrode 72 junction, this first direction X is perpendiculared to one another with second direction Y, described first induction electrode 71 and the second induction electrode 72 are at an angle to each other and without being electrically connected.Preferably, described first induction electrode 71 and the second induction electrode 72 are formed at the 3rd surface 61, and constituent material is selected from indium tin oxide, development, CNT, conducting polymer, metal grill and an aforementioned wherein combination.Be noted that, described first induction electrode 71 and the second induction electrode 72 arrange according to this first direction X and second direction Y, just a uniform electric field can be formed after providing electric current to described first induction electrode 71 and the second induction electrode 72, when being subject to touching, touch points can cause the change of electric capacity, and produce relative induced current to detect the coordinate of this touch points, and then calculate the position of this touch points.Whereby, user just can the content shown by visual display panel operate simultaneously.
Specifically, in the first preferred embodiment, the making of this touch control electrode layer 7 can utilize printing technology to form many articles along spaced first induction electrode 71 of this first direction X prior to the 3rd surface 61 printing, then the position making a reservation in the surface of described first induction electrode 71 join with described second induction electrode 72 forms insulation course, and then printing formation many is spaced and second induction electrode 72 angled with described first induction electrode 71 along this second direction Y.Wherein, printing technology can adopt intaglio printing to arrange in pairs or groups silver slurry as transfer printing electrically conductive ink, or use screen painting collocation poly-3,4-ethene dioxythiophene (PEDOT) conducting polymer composite, and described first induction electrode 71 of predetermined formation and the second induction electrode 72 pattern are printed to the 3rd surface 61 respectively, then obtain with the heating temperatures baking-curing of 80 DEG C to 100 DEG C.
This sealer 8 is formed at the 4th surface 62 removedly, can select tygon, Polyvinylchloride equally, or the macromolecular material such as polyethylene terephthalate.
Coordinate and consult Fig. 2, this first preferred embodiment of the present invention is when reality uses, after this separating layer 2 is removed, just the viscosity of this adhesive coating 3 can be utilized to be attached at the surface of a display panel 100, again the electrode circuit that this touch control electrode layer 7 is formed is electrically connected with a flexible circuit board (not shown) subsequently, be connected with an external control circuit (not shown) via this flexible circuit board again, just this display panel 100 can be made to have the function of touch-control, known owing to the electrode circuit of this touch control electrode layer 7 and flexible circuit board to be electrically connected as the art institute, and be not emphasis of the present invention, therefore no longer add to repeat.
The present invention is by being integrated in polaroid structure by this touch control electrode layer 7, and make display panel 100 reach the effect of touch-control display, utilize in addition in conjunction with the production method of a contact panel compared to general touch control display device, its thickness obviously declines, and also without the problem that light leak or penetrance decline; In addition, compared to the general method for making be integrated in by touch-control sensing electrode in display panel, the present invention not only processing procedure is simple and easy, and then effectively can improve process rate, reaches the effect reduced costs along with the lifting of process rate; Moreover, when manufacturing process detects, if find, described first induction electrode 71 and the second induction electrode 72 occur damaging or the problem of loose contact, the polaroid that only need more renew or polaroid dismounting is carried out keeping in repair just can, and the display panel without the need to more renewing.
Consult Fig. 3, the second preferred embodiment that the present invention has the polaroid structure of touch control electrode is roughly the same with the first preferred embodiment, difference is in this second preferred embodiment, described first induction electrode 71 of this touch control electrode layer 7 is the wherein arbitrary surfaces being formed at this first surface 41 or second surface 42, and described second induction electrode 72 is the wherein arbitrary surface being formed at the 3rd surface 61 or the 4th surface 62.Preferably, described first induction electrode 71 is formed at this first surface 41, and described second induction electrode 72 is formed at the 3rd surface 61.In this second preferred embodiment, because described first induction electrode 71 and the second induction electrode 72 are arranged at this first surface 41 and the 3rd surface 61 respectively, therefore do not need additionally to increase by an insulation course again, processing procedure can be made more to simplify, can also cost of manufacture be saved.
Consult Fig. 4; the 3rd preferred embodiment that the present invention has the polaroid structure of touch control electrode is roughly the same with this first preferred embodiment; difference is in the 3rd preferred embodiment, and the first induction electrode 71 of this touch control electrode layer 7 and the second induction electrode 72 are the wherein surfaces being formed at this first protective seam 4 and the second protective seam 6.Specifically; this touch control electrode layer 7 have many along this first direction X be spaced and each other without electrical connection the first induction electrode 71; and many to be staggered with described first induction electrode 71 and each other without the second induction electrode 72 be electrically connected along this first direction X; described first induction electrode 71 and the second induction electrode 72 each other without being electrically connected, and are formed at a wherein surface of this this first protective seam 4 and the second protective seam 6 simultaneously.Preferably, described first induction electrode 71 and the second induction electrode 72 are formed at the 3rd surface 61, and all in pectination and ground complimentary to one another close-packed arrays.
In the present invention the 3rd preferred embodiment, though described first induction electrode 71 and the second induction electrode 72 are formed at the 3rd surface 61 simultaneously, but it is not angled also without electrical connection to be only close-packed arrays each other, so do not need increase by insulation course, the advantage simplifying processing procedure and save cost of manufacture therefore also can be had.
In sum, the present invention utilizes this touch control electrode layer 7 to arrange and is integrated in the polaroid structure of display panel, therefore, does not need to make a contact panel in addition again, just display panel can be made simultaneously to have the function of display and touch-control, and the development trend of product slimming can be met; In addition, described first induction electrode 71 and the second induction electrode 72 utilize printing technology just can be formed at the surface of this first protective seam 4 and the second protective seam 6, and not only processing procedure is simple and easy also can reduce production cost, effectively so really can reach object of the present invention.
Claims (10)
1. there is a polaroid structure for touch control electrode, comprise one deck adhesive coating, one deck first protective seam, one deck polarizing layer, one deck second protective seam, and one deck touch control electrode layer; It is characterized in that: this first protective seam is formed at the surface of this adhesive coating, comprise a first surface bonding with this adhesive coating, and a second surface relative to this first surface; This polarizing layer is formed at this second surface; This second protective seam is formed at the surface of this polarizing layer, comprises the 3rd surface of this polarizing layer of vicinity, and the 4th surface relative to the 3rd surface; This touch control electrode layer is at least formed at a wherein surface of this first protective seam and this second protective seam.
2. there is the polaroid structure of touch control electrode as claimed in claim 1, it is characterized in that: this touch control electrode layer is formed at this second surface or the 3rd surface.
3. there is the polaroid structure of touch control electrode as claimed in claim 2, it is characterized in that: this touch control electrode layer is formed at the 3rd surface.
4. there is the polaroid structure of touch control electrode as claimed in claim 1, it is characterized in that: this touch control electrode layer comprises many along a first direction arrangement and each other without the first induction electrode of electrical connection, and many to arrange with the angled second direction of this first direction and each other without the second induction electrode be electrically connected along one, and described first induction electrode and this second induction electrode are each other without being electrically connected.
5. there is the polaroid structure of touch control electrode as claimed in claim 4, it is characterized in that: described first induction electrode is formed at this first surface or second surface, and described second induction electrode is formed at the 3rd surface or the 4th surface.
6. there is the polaroid structure of touch control electrode as claimed in claim 5, it is characterized in that: described first induction electrode is formed at this first surface, and described second induction electrode is formed at the 3rd surface.
7. there is the polaroid structure of touch control electrode as claimed in claim 1; it is characterized in that: this touch control electrode layer comprises many and is spaced along a first direction; and each other without the first induction electrode of electrical connection; and many to be staggered with described first induction electrode and each other without the second induction electrode be electrically connected along this first direction; described first induction electrode and this second induction electrode each other without being electrically connected, and are formed at a wherein surface of this first protective seam and this second protective seam simultaneously.
8. there is the polaroid structure of touch control electrode as claimed in claim 1, it is characterized in that: the material of this touch control electrode layer is selected from indium tin oxide, development, CNT, conducting polymer, metal grill, and an aforementioned wherein combination.
9. there is the polaroid structure of touch control electrode as claimed in claim 1, it is characterized in that: also comprise one deck and be formed at the separating layer of this adhesive coating away from the surface of this first protective seam removedly.
10. there is the polaroid structure of touch control electrode as claimed in claim 1, it is characterized in that: also comprise the sealer that one deck is formed at the 4th surface removedly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410057894.8A CN104867404A (en) | 2014-02-20 | 2014-02-20 | Polaroid structure with touch electrode |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410057894.8A CN104867404A (en) | 2014-02-20 | 2014-02-20 | Polaroid structure with touch electrode |
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| Publication Number | Publication Date |
|---|---|
| CN104867404A true CN104867404A (en) | 2015-08-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410057894.8A Pending CN104867404A (en) | 2014-02-20 | 2014-02-20 | Polaroid structure with touch electrode |
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| CN (1) | CN104867404A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106354338A (en) * | 2016-10-25 | 2017-01-25 | 上海天马微电子有限公司 | Touch display panel and touch display device |
| CN107065273A (en) * | 2017-06-08 | 2017-08-18 | 深圳秋田微电子有限公司 | A kind of display module for carrying touch function |
| CN107980155A (en) * | 2016-11-28 | 2018-05-01 | 深圳市柔宇科技有限公司 | touch screen and flexible display |
| CN110471138A (en) * | 2019-09-16 | 2019-11-19 | 安徽方兴光电新材料科技有限公司 | A kind of polaroid with capacitance touching control function |
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| CN102645772A (en) * | 2011-12-30 | 2012-08-22 | 友达光电股份有限公司 | Touch control display panel |
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| CN104423677A (en) * | 2013-09-10 | 2015-03-18 | 宸鸿光电科技股份有限公司 | Touch control display and manufacturing method thereof |
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Patent Citations (5)
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| JP2003228059A (en) * | 2002-02-06 | 2003-08-15 | Seiko Epson Corp | Liquid crystal display device and electronic equipment |
| CN102645772A (en) * | 2011-12-30 | 2012-08-22 | 友达光电股份有限公司 | Touch control display panel |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106354338A (en) * | 2016-10-25 | 2017-01-25 | 上海天马微电子有限公司 | Touch display panel and touch display device |
| CN106354338B (en) * | 2016-10-25 | 2020-04-21 | 上海天马微电子有限公司 | Touch display panel and touch display device |
| CN107980155A (en) * | 2016-11-28 | 2018-05-01 | 深圳市柔宇科技有限公司 | touch screen and flexible display |
| CN107980155B (en) * | 2016-11-28 | 2020-10-27 | 深圳市柔宇科技有限公司 | Touch screen and flexible display |
| CN107065273A (en) * | 2017-06-08 | 2017-08-18 | 深圳秋田微电子有限公司 | A kind of display module for carrying touch function |
| CN110471138A (en) * | 2019-09-16 | 2019-11-19 | 安徽方兴光电新材料科技有限公司 | A kind of polaroid with capacitance touching control function |
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