CN102707838A - Touch panel structure - Google Patents
Touch panel structure Download PDFInfo
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- CN102707838A CN102707838A CN2012101386185A CN201210138618A CN102707838A CN 102707838 A CN102707838 A CN 102707838A CN 2012101386185 A CN2012101386185 A CN 2012101386185A CN 201210138618 A CN201210138618 A CN 201210138618A CN 102707838 A CN102707838 A CN 102707838A
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- ink
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- ink lay
- touch panel
- protective seam
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Abstract
The invention discloses a touch panel structure which comprises a protective layer, a touch sensing layer, and a rubber layer placed between the protective layer and the touch sensing layer, wherein inks are coated on the periphery of the edges on one face of the protective layer attached to the touch sensing layer; the inks are divided into at least two ink layers with each ink layer comprising a first ink layer and a second ink layer, wherein the first ink layer is placed on the protective layer, while the second ink layer is placed on the first ink layer; the internal edge of the second ink layer is contracted toward the edge of the protective layer so as to form a step with the first ink layer. With the adoption of the touch panel structure provided by the invention, the space size of an angle step clearance formed between the ink and the protective layer is reduced, the air content in the angle step clearance is greatly reduced, the generation of bubbles at the internal edge of the oil inks is prevented, the success rate of the production of the touch panel is improved, and the requirements of a user on the appearance quality of the touch panel attached to a module are met.
Description
Technical field
The present invention relates to technical field of electronic products, the edge that being specifically related to prevents to fit when a kind of contact panel is fitted makes printing ink produces the structure of bubble.
Background technology
In the prior art, in the contact panel assembly process, the touch-control sensing layer of contact panel and protective seam generally use the glue-line applying to be one; Because protective seam is printed on printing ink, and formed the angle step of one 90 degree between printing ink and the protective seam, the space that occurs during applying is prone to retain gas; And cause that the inward flange at printing ink has bubble to exist all the time; Influence outward appearance, and can not eliminate, be difficult to satisfy the requirement of client the contact panel presentation quality.
The alveolate mode of inward flange of taking at present to solve printing ink usually is to adopt huge pressure pressing touch-control sensing layer and protective seam; As shown in Figure 1; Reduce the content that appears at gas in the step space 6, angle when fitting to greatest extent; Though the inward flange of the solution printing ink that this mode can be to a certain degree has this situation of bubble, but still there is following shortcoming in pressure direction when arrow is pressing:
1) content in contact panel placement a period of time relief angle step void gas can increase gradually, causes that the printing ink inward flange produces bubble;
2) with big pressure pressing touch-control sensing layer and protective seam, increased cost, taken the working time of work board, and influenced work efficiency.
Summary of the invention
The objective of the invention is for overcome the cost increase that causes when the printing ink inward flange that in touch-control sensing layer and protective seam applying process, causes produces bubble and uses big pressure pressing touch-control sensing layer and protective seam, the printing ink inward flange also can produce the problem of bubble after a period of time.The space size in the step space, angle that the present invention has reduced to form between printing ink and the protective seam has significantly reduced step space, angle air content, need not big pressure pressing working procedure, can satisfy the requirement of client to the contact panel presentation quality.
In order to solve the problems of the technologies described above, the technical scheme that the present invention adopted is:
A kind of touch panel structure provided; Comprise protective seam, touch-control sensing layer and the glue-line between protective seam and touch-control sensing layer; Scribble ink lay around the edge on the one side that said protective seam and said touch-control sensing layer are fitted, the zone that said protective seam does not scribble printing ink is the viewing area, it is characterized in that: said printing ink is two-layer at least ink lay; Said ink lay comprises first ink lay and second ink lay; Said first ink lay is positioned at the top of said protective seam, and said second ink lay is positioned at the top of said first ink lay, and the inward flange of said second ink lay forms step-like to indentation of said protective seam edge direction and said first ink lay.
Aforesaid touch panel structure provided, it is characterized in that: the gross thickness of said ink lay is not less than 12um, and the ink film thickness of said protective seam top ground floor is between the 6um-8um, and other each layer ink film thickness is between the 3um-4um.
Aforesaid touch panel structure provided, it is characterized in that: the thickness of the ink lay of said protective seam top ground floor is 7um.
Aforesaid touch panel structure provided, it is characterized in that: the ink lay inward flange of said protective seam top ground floor covers the edge of said viewing area.
Aforesaid touch panel structure provided, it is characterized in that: said ink lay is three layers or more than three layers.Aforesaid touch panel structure provided, it is characterized in that: said each layer ink lay is closed square shape structure.
Aforesaid touch panel structure provided, it is characterized in that: the non-closed square shape structure of said each layer ink lay for combining by L shaped or in-line ink lay.
Aforesaid touch panel structure provided, it is characterized in that: said glue-line covers top layer ink lay, and the distance of said glue-line edge inward flange of the ink lay of ground floor to said protective seam top is between the 1mm-3mm.
Aforesaid touch panel structure provided, it is characterized in that: said glue-line is an OCA glue.
Aforesaid touch panel structure provided, it is characterized in that: said protective seam is the cover glass layer.
The invention has the beneficial effects as follows: printing ink of the present invention is two-layer at least ink lay; And the inward flange of said second ink lay forms step-like to indentation of said protective seam edge direction and said first ink lay; The space size in the step space, angle that has reduced to form between printing ink and the protective seam; Greatly reduced step space, angle air content, need not big pressure pressing working procedure, prevented that the bubble of printing ink inward flange from producing; Improved the power that produces of contact panel, satisfied the requirement of client the contact panel presentation quality.
Description of drawings
Fig. 1 is existing touch panel structure provided synoptic diagram.
Fig. 2 is the synoptic diagram of contact panel printing ink part of the present invention.
Fig. 3 is a touch panel structure provided synoptic diagram of the present invention.
Fig. 4 is a touch panel structure provided vertical view of the present invention.
The Reference numeral implication is:
1: the touch-control sensing layer; 2: protective seam; 3: glue-line; 4: printing ink; 5: the viewing area; 6: step space, angle; 401: the ink lay of ground floor; 402: the ink lay of the second layer; 403: the ink laies of three layers; 404: top layer ink lay; 411: first step; 412: second step; 413: last step.
Embodiment
Below in conjunction with accompanying drawing the present invention is further described.Following examples only are used for technical scheme of the present invention more clearly is described, and can not limit protection scope of the present invention with this.
To shown in Figure 4, wherein Fig. 2 is the A-A of Fig. 4 like Fig. 2
1Sectional view, a kind of touch panel structure provided, comprise touch-control sensing layer 1, protective seam 2 and the glue-line 3 between touch-control sensing layer 1 and protective seam 2; Protective seam 2 is the cover glass layer; Glue-line 3 can adopt OCA (Optical Clear Adhesive, optical lens gelatin) glue, scribbles printing ink 4 around the edge on the binding face of protective seam 2 and touch-control sensing layer 1; The zone that does not scribble printing ink 4 is viewing area 5, from the A-A of Fig. 2
1Sectional view can find out that printing ink 4 is two-layer at least ink lay; And each layer ink lay inward flange on the ink lay 401 of ground floor forms step-like to protective seam 2 edge direction indentations; The ink lay 401 that is ground floor is positioned at the bottom; And covering the edge of viewing area 5, the ink lay 402 of the second layer is positioned at first layer ink lay 401 tops, the ink lay 401 formation first steps 411 of inner edges and ground floor; The 3rd layer ink lay 403 is positioned at ink lay 402 tops of the second layer; The ink lay 402 of the inner edges and the second layer forms second steps 412, and said top layer ink lay 404 is positioned at the top of ink lay, last step 413 of ink lay formation of inner edges and lower floor.
The number of plies of printing ink 4 is three layers or more than three layers, can find out that in Fig. 4 each ink lay can be designed to closed square shape structure, its A-A
1Sectional view be Fig. 2; Can also design the non-closed square shape structure that combines by L shaped or in-line ink lay; The ink lay gross thickness is not less than 12um; Ink lay 401 thickness of ground floor are between the 6um-8um, and other each layer ink film thickness is between the 3um-4um, and the concrete number of plies of printing ink 4 is confirmed the thickness requirement of each layer of requirement combination printing ink of ink thickness according to the client; Make the number of plies of printing ink 4 many as far as possible; The quantity of step is increased, and the air content that is reserved in the step space is just few more, prevents that better the bubble at printing ink edge from producing; The thickness of ink lay 401 thickness each layer than other of ground floor of the present invention is slightly thick to be thin partially and cause that light leak causes inaesthetic problem for the ink thickness that overcomes first step 411 places, and the preferred 7um of ink lay 401 thickness of ground floor can reach lighttight best size.
Top layer ink lay 404 is close to glue-line 3, and glue-line 3 covers top layer ink lay 404, and its edge is between the 1mm-3mm to the distance of the inward flange of the ink lay 401 of ground floor, makes things convenient for the air in the step space, emptying angle.
Touch panel structure provided manufacture craft of the present invention is:
1. according to the requirement of client, calculate the most reasonably the printing ink number of plies, the thickness of every layer of printing ink and the width of every layer of step to ink thickness;
2. according to result calculated, at the upper surface of protective seam 2, promptly with the binding face of touch-control sensing layer 1, the ink lay 401 of wire mark ground floor, and other each layer ink lay of wire mark successively make the inward flange of printing ink form a step-like pitch angle;
3. adopt the roller mode to paste a pair OCA glue-line, can make step space, angle reach best exhaust effect, need not big pressure pressing at the upper surface of printing ink 4;
4. touch-control sensing layer 1 is fitted in OCA glue-line 3 upper surfaces, makes touch-control sensing layer 1 and protective seam 2 glued together, accomplish the making of contact panel.
In sum; Printing ink 4 of the present invention is two-layer at least ink lay, and each layer ink lay is positioned at the binding face top of protective seam 2, and each layer ink lay inward flange on the ink lay 401 of ground floor forms step-like to protective seam 2 edge direction indentations; Reduce to have formed between printing ink 4 and the protective seam 2 the space size in step space, angle; Greatly reduced step space, angle air content, need not big pressure pressing working procedure, prevented that the bubble of the inward flange of printing ink 4 from producing; Improved the power that produces of contact panel, satisfied the requirement of client the contact panel presentation quality.
More than show and described ultimate principle of the present invention, principal character and advantage.The technician of the industry should understand; The present invention is not restricted to the described embodiments; That describes in the foregoing description and the instructions just explains principle of the present invention; Under the prerequisite that does not break away from spirit and scope of the invention, the present invention also has various changes and modifications, and these variations and improvement all fall in the scope of the invention that requires protection.The present invention requires protection domain to be defined by appending claims and equivalent thereof.
Claims (10)
1. touch panel structure provided; Comprise protective seam, touch-control sensing layer and the glue-line between protective seam and touch-control sensing layer; Scribble printing ink around the edge on the one side that said protective seam and said touch-control sensing layer are fitted, the zone that said protective seam does not scribble printing ink is the viewing area, it is characterized in that: said printing ink is two-layer at least ink lay; Said ink lay comprises first ink lay and second ink lay; Said first ink lay is positioned at the top of said protective seam, and said second ink lay is positioned at the top of said first ink lay, and the inward flange of said second ink lay forms step-like to indentation of said protective seam edge direction and said first ink lay.
2. according to claim 1 touch panel structure provided, it is characterized in that: the gross thickness of said ink lay is not less than 12um, and the ink film thickness of said protective seam top ground floor is between the 6um-8um, and other each layer ink film thickness is between the 3um-4um.
3. according to claim 1 touch panel structure provided, it is characterized in that: the thickness of the ink lay of said protective seam top ground floor is 7um.
4. according to claim 1 touch panel structure provided, it is characterized in that: the ink lay inward flange of said protective seam top ground floor covers the edge of said viewing area.
5. according to claim 1 touch panel structure provided, it is characterized in that: said ink lay is three layers or more than three layers.
6. each is described touch panel structure provided according to claim 1-5, it is characterized in that: said each layer ink lay is closed square shape structure.
7. each is described touch panel structure provided according to claim 1-5, it is characterized in that: the non-closed square shape structure of said each layer ink lay for being combined by L shaped or in-line ink lay.
8. according to claim 1 touch panel structure provided, it is characterized in that: said glue-line covers top layer ink lay, and the distance of said glue-line edge inward flange of the ink lay of ground floor to said protective seam top is between the 1mm-3mm.
9. according to claim 1 or 8 described touch panel structure provided, it is characterized in that: said glue-line is an OCA glue.
10. according to claim 1 touch panel structure provided, it is characterized in that: said protective seam is the cover glass layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101386185A CN102707838A (en) | 2012-05-08 | 2012-05-08 | Touch panel structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101386185A CN102707838A (en) | 2012-05-08 | 2012-05-08 | Touch panel structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102707838A true CN102707838A (en) | 2012-10-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012101386185A Pending CN102707838A (en) | 2012-05-08 | 2012-05-08 | Touch panel structure |
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| CN (1) | CN102707838A (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103279242A (en) * | 2013-06-04 | 2013-09-04 | 深圳市宇顺电子股份有限公司 | Capacitive touch screen fitting method |
| WO2013127318A1 (en) * | 2012-03-01 | 2013-09-06 | 祥达光学（厦门）有限公司 | Touch control device and manufacturing method |
| CN103331984A (en) * | 2013-06-14 | 2013-10-02 | 业成光电（深圳）有限公司 | Cover plate, and electronic equipment using same |
| CN103331986A (en) * | 2013-06-14 | 2013-10-02 | 业成光电（深圳）有限公司 | Electronic device with protection layer |
| CN104216577A (en) * | 2013-05-29 | 2014-12-17 | 比亚迪股份有限公司 | Method for manufacturing capacitive screen |
| CN104238801A (en) * | 2013-06-06 | 2014-12-24 | 胜华科技股份有限公司 | Substrate structure and touch panel comprising same |
| CN110739409A (en) * | 2019-09-29 | 2020-01-31 | 武汉华星光电半导体显示技术有限公司 | kinds of display device |
| CN111223392A (en) * | 2018-11-26 | 2020-06-02 | 三星显示有限公司 | Window panel for display device and method for manufacturing display device |
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| JP2011007830A (en) * | 2009-06-23 | 2011-01-13 | Hitachi Displays Ltd | Display device |
| CN101976149A (en) * | 2010-11-05 | 2011-02-16 | 牧东光电（苏州）有限公司 | Hardening structure touch panel and manufacturing method thereof |
| CN102063235A (en) * | 2010-12-28 | 2011-05-18 | 苏州超联光电有限公司 | Capacitive screen assembly and preparation method thereof |
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Patent Citations (4)
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| US20090286186A1 (en) * | 2008-05-15 | 2009-11-19 | Fujitsu Component Limited | Method of manufacturing a coordinate detector |
| JP2011007830A (en) * | 2009-06-23 | 2011-01-13 | Hitachi Displays Ltd | Display device |
| CN101976149A (en) * | 2010-11-05 | 2011-02-16 | 牧东光电（苏州）有限公司 | Hardening structure touch panel and manufacturing method thereof |
| CN102063235A (en) * | 2010-12-28 | 2011-05-18 | 苏州超联光电有限公司 | Capacitive screen assembly and preparation method thereof |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013127318A1 (en) * | 2012-03-01 | 2013-09-06 | 祥达光学（厦门）有限公司 | Touch control device and manufacturing method |
| CN104216577A (en) * | 2013-05-29 | 2014-12-17 | 比亚迪股份有限公司 | Method for manufacturing capacitive screen |
| CN103279242A (en) * | 2013-06-04 | 2013-09-04 | 深圳市宇顺电子股份有限公司 | Capacitive touch screen fitting method |
| CN104238801A (en) * | 2013-06-06 | 2014-12-24 | 胜华科技股份有限公司 | Substrate structure and touch panel comprising same |
| CN103331984A (en) * | 2013-06-14 | 2013-10-02 | 业成光电（深圳）有限公司 | Cover plate, and electronic equipment using same |
| CN103331986A (en) * | 2013-06-14 | 2013-10-02 | 业成光电（深圳）有限公司 | Electronic device with protection layer |
| CN103331984B (en) * | 2013-06-14 | 2015-10-14 | 业成光电（深圳）有限公司 | Cover plate and use the electronic equipment of this cover plate |
| TWI560068B (en) * | 2013-06-14 | 2016-12-01 | Interface Optoelectronic Shenzhen Co Ltd | Cover and electronic device using same |
| TWI634013B (en) * | 2013-06-14 | 2018-09-01 | 業成光電（深圳）有限公司 | Electronic device having protective layer |
| CN111223392A (en) * | 2018-11-26 | 2020-06-02 | 三星显示有限公司 | Window panel for display device and method for manufacturing display device |
| CN111223392B (en) * | 2018-11-26 | 2023-10-31 | 三星显示有限公司 | Window panel for display device and method for manufacturing display device |
| CN110739409A (en) * | 2019-09-29 | 2020-01-31 | 武汉华星光电半导体显示技术有限公司 | kinds of display device |
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Application publication date: 20121003 |