CN100365479C - Touch screen coated with protective film and producing method thereof - Google Patents
Touch screen coated with protective film and producing method thereof Download PDFInfo
- Publication number
- CN100365479C CN100365479C CNB2005100937621A CN200510093762A CN100365479C CN 100365479 C CN100365479 C CN 100365479C CN B2005100937621 A CNB2005100937621 A CN B2005100937621A CN 200510093762 A CN200510093762 A CN 200510093762A CN 100365479 C CN100365479 C CN 100365479C
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- touch
- screen
- film
- protective film
- coated
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Abstract
To provide a touch panel with a protection sheet which can be easily peeled off and a method for manufacturing the touch panel with the protection sheet. The protection sheet 10 obtained by sticking a lower sheet 21 with width (b) to the center part of an upper sheet 11 with width (a) which has an adhesive layer 13 on the whole lower surface so that the adhesive layer 13 are exposed from both ends of the upper sheet 11 is stuck to both ends of the upper surface of the touch panel 1 to constitute the touch panel with the protection sheet.
Description
Technical field
The present invention relates to be mainly used in the touch-screen and the manufacture method thereof of the coated with protective film of various electronic equipment input operations.
Background technology
In recent years, be accompanied by the multifunction and the variation of various electronic equipments such as mobile phone or portable terminal, the equipment that touch-screen is housed grows with each passing day.In the front of display elements such as liquid crystal, the touch-screen of printing opacity is installed.See the demonstration of display element behind by this touch-screen, push the operation of touch-screen simultaneously by finger or nib etc., carry out the switching of the various functions of equipment.
At the upper surface (hereinafter referred to as operating surface) of such touch-screen, in order to prevent in the process of making, perhaps when circulation, be stained with dust or fingerprint, to stick diaphragm usually.
Use Fig. 3 that the touch-screen of existing coated with protective film is described.
Fig. 3 is the sectional view of the touch-screen of existing coated with protective film.On this figure, touch-screen 1 comprises upper substrate 31 and infrabasal plate 32.Upper substrate 31 is the glass etc. that forms the first conductive layer 31a of printing opacity below.Infrabasal plate 32 is the glass etc. that forms the second conductive layer 32a of the same printing opacity that is provided with across the predetermined gap subtend with the first conductive layer 31a in the above.
In addition, at the upper surface of the second conductive layer 32a, interval according to the rules forms a plurality of somes distance pieces (not shown) by insulating resin.Form a pair of top electrode (not shown) respectively at the two ends of the first conductive layer 31a, form a pair of bottom electrode vertical (not shown) at the two ends of the second conductive layer 32a with electrode.
Moreover outside framework 33 is square frame shapes, by apply the outer periphery of tack coat (not shown) the applying upper substrate 31 that forms and the outer periphery of infrabasal plate 32 on the top and bottom of outside framework 33.The first conductive layer 31a and the second conductive layer 32a are provided with across the predetermined gap subtend, form operational zone W in the inboard of outside framework 33 simultaneously.As mentioned above, constituted touch-screen 1.
On the other hand, diaphragm 61 is in order to prevent in manufacturing process or during circulation on dust or the operating surface of fingerprint attached to touch-screen 1.Diaphragm 61 comprises film 62 and adhesive coating 63.Film 62 is made of the ethylene-vinyl acetate materials such as (EVA) of softness.Adhesive coating 63 is coated in film 62 whole lower surfaces.Thus, stick the touch-screen that diaphragm 61 just constitutes coated with protective film on the whole operation face on touch-screen 1.
In electronic equipments such as mobile phone, when touch-screen 1 and liquid crystal display cells etc. are assembled into one, peel diaphragm 61 off and use.Peeled off the touch-screen 1 of diaphragm 61, on the electronic equipment of liquid crystal display cells front that has been installed in former configuration, a pair of top electrode has been connected with bottom electrode with the circuit (not shown) of equipment.
In above structure, when the liquid crystal display cells of observing touch-screen 1 back side shows, when pushing the operational zone of upper substrate 31 with finger or nib etc., the part bending that upper substrate 31 is pressed makes the first conductive layer 31a herein contact with the second conductive layer 32a.Apply voltage successively on top electrode and bottom electrode by circuit, circuit detects the position that is pressed by the voltage ratio between each electrode.Detect thus and carry out the switching of the various functions of equipment.
For example, open 2000-305064 the spy, the spy opens and discloses the LCD panel that diaphragm similarly is housed with the touch-screen of above-mentioned existing coated with protective film in 2002-296558 number.
But the touch-screen of above-mentioned existing coated with protective film when peeling off diaphragm 61, because adhesive coating 63 is attached on the whole operation face of touch-screen 1, is difficult to peel off.
Summary of the invention
The invention provides the touch-screen and the manufacture method thereof of the coated with protective film that a kind of diaphragm peels off easily.
The touch-screen of coated with protective film of the present invention comprises touch screen portion and diaphragm part.Touch-screen is by touching the input data.On whole the center section of the lower surface adhesive coating of film fit than on the narrow following film formed diaphragm of film width constituted the diaphragm part.The diaphragm that adhesive coating is exposed to the film two ends is sticked at two ends on touch screen portion.
Such structure is compared with the diaphragm that has adhesive coating on the face of whole film, owing to just form the adhesion part at two ends, just can reduce the part of adhering, and makes to peel off to become easy.
The touch-screen of coated with protective film of the present invention, be included on the touch-screen lower surface upper substrate that forms first conductive layer and at upper surface to form the infrabasal plate of second conductive layer across the mode of predetermined gap subtend setting with first conductive layer.Just can finish the touch-screen of coated with protective film at an easy rate by such structure.
The manufacture method of the touch-screen of coated with protective film of the present invention is the banded following film of fitting on the lower surface of film on the band shape that forms adhesive coating on the whole lower surface.Then, at the two ends of touch screen upper surface, fitting is exposed to the adhesive coating at film two ends.Then diaphragm is cut off.Therefore this manufacture method need not be used staff in a series of manufacturing process, can prevent to stay dust or fingerprint on the operating surface of touch-screen etc.
Description of drawings
Fig. 1 is the sectional view of the touch-screen of coated with protective film in an embodiment of the present invention.
Fig. 2 is the stereographic map that is illustrated in the manufacture method of the touch-screen of coated with protective film among the same embodiment.
Fig. 3 is the sectional view of the touch-screen of existing coated with protective film.
Embodiment
Use accompanying drawing that embodiments of the invention are described below.
Fig. 1 is the sectional view of the touch-screen of coated with protective film in an embodiment of the present invention.In Fig. 1, used identical symbol and omitted its explanation with the formation that Fig. 3 is same.Among Fig. 1, touch-screen 1 comprises upper substrate 31 and infrabasal plate 32.Upper substrate 31 is glass or the films that formed light transmissions such as the tin indium oxide first conductive layer 31a on lower surface.Infrabasal plate 32 is that go up to have formed glass or the film with same light transmission second conductive layer 32a with the first conductive layer 31a across the mode of predetermined gap subtend setting on the surface thereon.
At the upper surface of the second conductive layer 32a, interval according to the rules forms a plurality of somes distance pieces (not shown) by insulating resin.Form a pair of top electrode (not shown) respectively at the two ends of the first conductive layer 31a, form a pair of bottom electrode vertical (not shown) at the two ends of the second conductive layer 32a with top electrode.
On the other hand, diaphragm 10 comprises film 11, adhesive coating 13 and following film 21.Last film 11 is that width is the film by flexibility ethylene-vinyl acetate materials such as (EVA) formation of a, on its whole lower surface adhesive coating 13 is set.Following film 21 is that the film of b constitutes by width.The width of following film 21 is fitted in the center section of the adhesive coating 13 of film 11 less than the width of last film 11, exposes the adhesive segment 13a of adhesive coating 13 at the two ends of last film 11.
The touch-screen of coated with protective film is diaphragm 10 to be attached on the outer outside framework part 33 of the operational zone W of touch-screen 1 by the adhesion part 13a at its two ends constitute.Diaphragm 10 is used for preventing in manufacturing process or when circulation on dust or the operating surface of fingerprint attached to touch-screen 1.
When electronic equipments such as mobile phone and liquid crystal display cells are assembled into one, diaphragm 10 are stripped down from touch-screen 1 and re-use.When touch-screen 1 is peeled off diaphragm 10, on the operational zone of touch-screen 1 W, there is not adhesive segment 13a, so this structure can be peeled off at an easy rate.Then, disposed in front when touch-screen 1 is installed on the electronic equipment of liquid crystal display cells etc., a pair of top electrode has been connected with the circuit (not shown) of equipment with bottom electrode.
In as above structure, when the liquid crystal display cells of seeing touch-screen 1 back side shows, with pointing or nib carries out pressing operation to the operational zone of upper substrate 31.Thus, the part bending that upper substrate 31 is pressed contacts at this locational first conductive layer 31a and the second conductive layer 32a.Be applied with voltage successively by circuit on top electrode and bottom electrode, by each interelectrode voltage ratio, circuit can detect the position that is pressed, and detects the result thus the various functions of equipment are switched.
Fig. 2 represents the stereographic map of the touch-screen manufacture method of coated with protective film in an embodiment of the present invention.
In the figure, at first will be at the touch-screen 1 that does not have under the diaphragm state, travelling belt (not shown) etc. go up from face of the position carry to the direction of arrow S1.When arriving preposition, clamp by the holding device 51 that moves up and down.
Then, in the left side of touch-screen 1, be configured in film 41 and width on the band shape that the width that has adhesive coating 43 on the whole lower surface is a and be film 42 under the band shape of b.By laminating apparatus 52 film 41,42 applyings up and down, form continuous banded diaphragm 40.The width a of last film 41 is set at the longitudinal size that approximates touch-screen 1, and the width b of film 42 is set at the longitudinal size that is slightly less than touch-screen 1 operational zone W down.
Then, the conveying device 53 of hollow tube-shape attracts diaphragm 40 to carry to the dextrad of arrow S2, and 40b moves on on the position of touch-screen 1 right part 1b with its front end.Being transferred the diaphragm 40 that device 53 is transported to assigned position is attached on the touch-screen 1 by laminating apparatus 54.Laminating apparatus 54 double as are conveying device 53.Laminating apparatus 54, for example, the attraction when stopping to carry, the adhesion part 43a that is pushed down diaphragm 40 by the front end of its hollow tube-shape moves it, be fitted in touch-screen 1 above.
The position of fitting is that an adhesive part 43a with diaphragm 40 two ends is fitted in outside the operational zone W of touch-screen 1.Outside the operational zone W of so-called touch-screen 1, promptly the outside framework part 33.Then, the diaphragm 40 with touch-screen 1 is fitted cuts off (cut-out operation) by shearing devices such as swing pinion or cutter 55 from its left end 41c.Make the touch-screen of coated with protective film by above operation.
After this, the touch-screen of this coated with protective film has been removed the clamp position that is held device 51, and the direction towards the place ahead arrow S3 on not shown travelling belt etc. is carried.A series of thus action can be made the touch-screen of coated with protective film continuously.
As mentioned above,, only stick diaphragm, and compare the touch-screen and the manufacture method thereof of the coated with protective film that the film that can be protected is peeled off easily at the touch-screen of entire upper surface applying diaphragm at the two ends of touch-screen according to present embodiment.According to the present invention,, when press...withing one's finger the pressure touch-screen, there is not uncomfortable feeling owing to after peeling off diaphragm, in the operational zone of touch-screen W, do not have the sticker of residual adhesion part.
When making the touch-screen of coated with protective film, in a series of operation, do not use staff, therefore can prevent from the operating surface of touch-screen etc., to leave dust or fingerprint.
As mentioned above, the touch-screen of coated with protective film of the present invention and manufacture method thereof can be carried out peeling off of diaphragm at an easy rate, use on the touch-screen that can use when the input operation of various electronic equipments etc.
Claims (3)
1. the touch-screen of a coated with protective film; have by touching the touch screen portion of input data; diaphragm with the center section of the whole lower surface adhesive coating that will the following film narrower be fitted in film than last film width; it is characterized in that; be at described touch screen upper surface two ends, the described adhesive coating of fitting is exposed to the described diaphragm of going up the film two ends.
2. the touch-screen of the coated with protective film described in claim 1; it is characterized in that; described touch screen portion have on its lower surface the upper substrate that forms first conductive layer and thereon the surface go up to form the infrabasal plate of second conductive layer across the mode of predetermined gap subtend setting with described first conductive layer.
3. as the manufacture method of the touch-screen of the coated with protective film of claim 1 or 2; it is characterized in that; the lower surface of film on the band shape that forms adhesive coating on the whole lower surface; behind the following film of the band shape of fitting; fit at the touch screen upper surface two ends and to be exposed to the described adhesive coating at film two ends, the end of tripping protection film then.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2004248049A JP4517777B2 (en) | 2004-08-27 | 2004-08-27 | Touch panel with protective sheet |
| JP2004248049 | 2004-08-27 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1740860A CN1740860A (en) | 2006-03-01 |
| CN100365479C true CN100365479C (en) | 2008-01-30 |
Family
ID=36093292
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2005100937621A Expired - Fee Related CN100365479C (en) | 2004-08-27 | 2005-08-29 | Touch screen coated with protective film and producing method thereof |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP4517777B2 (en) |
| CN (1) | CN100365479C (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101639593B (en) * | 2008-07-30 | 2011-11-16 | 比亚迪股份有限公司 | Method for protecting ITO conducting layer in technology for manufacturing touch screen |
| WO2017029831A1 (en) * | 2015-08-17 | 2017-02-23 | 富士フイルム株式会社 | Touch panel layered body |
| JP7141215B2 (en) * | 2018-01-10 | 2022-09-22 | 株式会社デンソーテン | Operation input device and touch panel |
| JP2019137555A (en) * | 2018-02-14 | 2019-08-22 | 住友化学株式会社 | Film roll |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1031431A (en) * | 1996-07-17 | 1998-02-03 | Toyo Commun Equip Co Ltd | Protective device for touch panel and the like |
| JPH10307668A (en) * | 1997-05-07 | 1998-11-17 | Canon Inc | Protection film for panel member and method for protecting panel member |
| US6247768B1 (en) * | 1998-02-06 | 2001-06-19 | Matsushita Electric Industrial Co., Ltd. | Protective sheet mount structure for display |
| JP2001321732A (en) * | 2000-05-16 | 2001-11-20 | Funai Electric Co Ltd | Cleaning mechanism of touch panel, cleaning method therefor and display device |
| JP2002073277A (en) * | 2000-08-31 | 2002-03-12 | Nippon Seiki Co Ltd | Touch panel and structure for positioning protective sheet for touch panel |
| CN1591466A (en) * | 2003-08-26 | 2005-03-09 | 松下电器产业株式会社 | Touch panel and electronic device using the same |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02308883A (en) * | 1989-05-25 | 1990-12-21 | Nippon Carbide Ind Co Inc | Surface-protection tape |
| JPH08207979A (en) * | 1995-02-02 | 1996-08-13 | Nichiban Co Ltd | Magnetic disc container |
| JPH08234891A (en) * | 1995-02-28 | 1996-09-13 | Fujitsu Ltd | Display surface protection sheet for information processing equipment |
| JPH08329767A (en) * | 1995-06-06 | 1996-12-13 | Sekisui Chem Co Ltd | Structure of touch panel |
| JP3118431B2 (en) * | 1997-02-10 | 2000-12-18 | 日本写真印刷株式会社 | Mounting structure of transparent touch panel |
| JP2002197940A (en) * | 2000-12-25 | 2002-07-12 | Bridgestone Corp | Touch panel |
| JP2002304254A (en) * | 2001-04-05 | 2002-10-18 | Ricoh Co Ltd | Protective member for touch panel |
| JP2004094798A (en) * | 2002-09-03 | 2004-03-25 | Gunze Ltd | Touch panel |
| JP4737915B2 (en) * | 2002-10-30 | 2011-08-03 | 株式会社きもと | Touch panel manufacturing method and touch panel |
-
2004
- 2004-08-27 JP JP2004248049A patent/JP4517777B2/en not_active Expired - Fee Related
-
2005
- 2005-08-29 CN CNB2005100937621A patent/CN100365479C/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1031431A (en) * | 1996-07-17 | 1998-02-03 | Toyo Commun Equip Co Ltd | Protective device for touch panel and the like |
| JPH10307668A (en) * | 1997-05-07 | 1998-11-17 | Canon Inc | Protection film for panel member and method for protecting panel member |
| US6247768B1 (en) * | 1998-02-06 | 2001-06-19 | Matsushita Electric Industrial Co., Ltd. | Protective sheet mount structure for display |
| JP2001321732A (en) * | 2000-05-16 | 2001-11-20 | Funai Electric Co Ltd | Cleaning mechanism of touch panel, cleaning method therefor and display device |
| JP2002073277A (en) * | 2000-08-31 | 2002-03-12 | Nippon Seiki Co Ltd | Touch panel and structure for positioning protective sheet for touch panel |
| CN1591466A (en) * | 2003-08-26 | 2005-03-09 | 松下电器产业株式会社 | Touch panel and electronic device using the same |
Also Published As
| Publication number | Publication date |
|---|---|
| JP4517777B2 (en) | 2010-08-04 |
| CN1740860A (en) | 2006-03-01 |
| JP2006065610A (en) | 2006-03-09 |
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| C14 | Grant of patent or utility model | ||
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Granted publication date: 20080130 Termination date: 20140829 |
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| EXPY | Termination of patent right or utility model |