CN101493737B - Display touch screen structure and method for producing the same - Google Patents
Display touch screen structure and method for producing the same Download PDFInfo
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- CN101493737B CN101493737B CN200910105659A CN200910105659A CN101493737B CN 101493737 B CN101493737 B CN 101493737B CN 200910105659 A CN200910105659 A CN 200910105659A CN 200910105659 A CN200910105659 A CN 200910105659A CN 101493737 B CN101493737 B CN 101493737B
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- reinforced glass
- ito
- conductive layer
- screen structure
- touch screen
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Abstract
The invention provides a display touch-screen structure and a manufacturing method thereof. The touch-screen structure comprises base chemically-reinforced glass, an upper conductive layer and a lower conductive layer; the upper conductive layer comprises a PET film and an ITO film coated on the surface of the PET film; the lower conductive layer is formed by the ITO film which is directly manufactured on the surface of the base chemically-reinforced glass; and isolating points are arranged between two ITO films. The manufacturing method comprises the following steps: a continuous magnetron sputtering coating machine and an ITO ceramic target are adopted to coat the ITO film on the chemically-reinforced glass; the work gas is Ar and the pressure is between 0.1 and 1 Pa; the coating temperature is between 100 and 390 DEG C; and the coating pace is between 1.5 and 6 minutes. The invention not only simplifies the manufacturing process of the touch-screen, enhances the yield of products and reduces the manufacturing cost but guarantees that the intensity of the chemically-reinforced glass cannot be changed.
Description
Technical field
The present invention relates to a kind of method for making of display touch screen structure.
Background technology
ITO (Indium Tin Oxides, nano indium tin metal oxide) has the good electric conductivity and the transparency, can cut off harmful electron irradiation, ultraviolet ray and far infrared.Therefore, be commonly used to be sprayed on the electronic display after, when strengthening electric conductivity and the transparency, cut off harmful electron irradiation and ultraviolet, infrared.
PET (Polythylene terephthalate, polyethylene terephthalate) is the polymkeric substance of milky or preceding yellow highly crystalline property, surface smoothing and glossy.Anti-creep, fatigue resistence, rub resistance and dimensional stability are good, wear and tear little and hardness is high, have toughness maximum in the thermoplastics; Electrical insulation capability is good, the little improvement of temperature influence through nucleator and crystallizing agent and spun glass enhancing, so PET is usually used in making the mobile phone surface film.
Fig. 1 has shown a kind of existing display touch screen structure, comprises basic unit's chemically reinforced glass 1, goes up conductive layer 2 and lower conductiving layer 3.Last conductive layer 2 is made up of PET film 21 and the ito thin film 22 that is coated on PET film 21 surfaces; Lower conductiving layer 3 is made up of PET film 31 and the ito thin films 32 that are coated on PET film 31 surface; The PET film 31 of lower conductiving layer is adhered on chemically reinforced glass 1 surface; Last conductive layer PET film 21 surfaces are provided with plastics and add hard formation 5, the ito thin film 22 of last conductive layer 2 and lower conductiving layer 3, are provided with isolating points 4 between 32.Isolating points 4 separates insulation to two conductive layers 2,3; When the finger touch screen, two conductive layers 2,3 has just had contact in the position, touch point, and resistance changes; On X and Y both direction, produce signal; Send the touch screen controller controller to detect this contact then and calculate that (X, position Y) is again according to the most basic principle of the mode of the analog mouse resistive technologies touch-screen that operates that Here it is.Because lower conductiving layer 3 adopts and above-mentioned ito thin film 32 is coated on PET film 31 surfaces in the above-mentioned existing display touch screen structure; Adopt optical cement (OCA) PET film 31 to be adhered to the double-layer structure on chemically reinforced glass 1 surface PET film 31 again; Not only cost is high for the display touch screen of making like this, complex process, and yield is not high.
Summary of the invention
The purpose of the embodiment of the invention is to provide a kind of method for making of display touch screen structure, be intended to solve existing display touch screen structure complex manufacturing technology, cost height, and yield is not high, the problem that the intensity of chemically reinforced glass changes.
The method for making of the display touch screen structure of the embodiment of the invention, this display touch screen structure comprise basic unit's chemically reinforced glass, go up conductive layer and lower conductiving layer, and last conductive layer comprises PET film and the ito thin film that is coated on PET film surface; Lower conductiving layer is made up of the ito thin film that directly is made in basic unit chemically reinforced glass surface, is provided with isolating points between two ito thin films, the method for making of this display touch screen structure; Through the continuous magnetron sputtering coating machine, adopt the ITO ceramic target, at chemically reinforced glass surface plating ito thin film; Working gas is Ar; Pressure is 0.1-1Pa, and coating temperature is 100-390 ℃, and the plated film beat is 1.5-6 minute.
Compared with prior art, technique scheme adopts the ITO ceramic target through the continuous magnetron sputtering coating machine; At working gas is Ar, and pressure is 0.1-1Pa, and coating temperature is 100-390 ℃; The plated film beat is under 1.5-6 minute the condition, directly ito thin film to be made in the chemically reinforced glass surface, and the touch-screen manufacture technology is simplified; The yield of product improves, and production cost reduces, and guarantees that simultaneously the intensity of chemically reinforced glass does not change.
Description of drawings
Fig. 1 is the display touch screen structure that prior art provides;
Fig. 2 is the display touch screen structure that the embodiment of the invention provides.
Embodiment
In order to make the object of the invention, technical scheme and advantage clearer,, the present invention is further elaborated below in conjunction with embodiment.Should be appreciated that specific embodiment described herein only in order to explanation the present invention, and be not used in qualification the present invention.
It is compared with prior art a kind of that the present invention provides; Manufacture technology is simple; The yield of product improves, and production cost reduces, and guarantees the display touch screen structure that the intensity of chemically reinforced glass does not change simultaneously; For this reason, the display touch screen structure lower conductiving layer of the embodiment of the invention is made up of the ito thin film that directly is made in basic unit chemically reinforced glass surface.
Specifically; Fig. 2 has shown a kind of display touch screen structure of the embodiment of the invention; Comprise basic unit's chemically reinforced glass 1, go up conductive layer 2 and lower conductiving layer 3; Last conductive layer 2 comprises PET film 21 and the ito thin film 22 that is coated on PET film 21 surfaces, and lower conductiving layer 3 is made up of the ito thin film that directly is made in basic unit's chemically reinforced glass 1 surface, two ito thin films 22, is provided with isolating points 4 between 3.Because lower conductiving layer 3 directly is made up of ito thin film, has reduced cost.
In the present embodiment, last conductive layer PET film surface is provided with and adds hard formation 5, and is in use impaired with the protection touch-screen.Add hard formation 5 and process, for example plastics by this area common used material.
The aforementioned display device touch screen structure adopts the ITO ceramic target through the continuous magnetron sputtering coating machine, is Ar at working gas; Be 0.1-1Pa; Coating temperature is 100-390 ℃, and the plated film beat is under 1.5-6 minute the condition, directly ito thin film to be made on the chemically reinforced glass.Like this, the touch-screen manufacture technology is simplified, the yield of product improves, and production cost reduces, and guarantees that simultaneously the intensity of chemically reinforced glass does not change.
Be the further product yield that improves, above-mentioned condition of work, pressure is preferably 0.3-0.8Pa, and coating temperature is preferably 160-390 ℃, and the plated film beat is preferably 2-5 minute.
The above is merely preferred embodiment of the present invention, not in order to restriction the present invention, all any modifications of within spirit of the present invention and principle, being done, is equal to and replaces and improvement etc., all should be included within protection scope of the present invention.
Claims (3)
1. the method for making of a display touch screen structure, said display touch screen structure comprise basic unit's chemically reinforced glass, go up conductive layer and lower conductiving layer, and last conductive layer comprises the ito thin film that the PET film is surperficial with being coated on the PET film; Said lower conductiving layer is made up of the ito thin film that directly is made in basic unit chemically reinforced glass surface, is provided with isolating points between said two ito thin films, it is characterized in that; Through the continuous magnetron sputtering coating machine, adopt the ITO ceramic target, at chemically reinforced glass surface plating ito thin film; Working gas is Ar; Pressure is 0.1-1Pa, and coating temperature is 100-390 ℃, and the plated film beat is 1.5-6 minute.
2. method for making according to claim 1 is characterized in that said pressure is 0.3-0.8Pa, and coating temperature is 160-390 ℃, and the plated film beat is 2-5 minute.
3. method for making according to claim 1 or claim 2 is characterized in that said ITO ceramic target purity 99.99%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910105659A CN101493737B (en) | 2009-02-27 | 2009-02-27 | Display touch screen structure and method for producing the same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910105659A CN101493737B (en) | 2009-02-27 | 2009-02-27 | Display touch screen structure and method for producing the same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101493737A CN101493737A (en) | 2009-07-29 |
| CN101493737B true CN101493737B (en) | 2012-09-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN200910105659A Active CN101493737B (en) | 2009-02-27 | 2009-02-27 | Display touch screen structure and method for producing the same |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103019422B (en) * | 2011-09-23 | 2016-02-10 | 浪潮乐金数字移动通信有限公司 | There is terminal touch panel and charging system, the method for solar battery thin film |
| CN102312208B (en) * | 2011-09-30 | 2012-12-19 | 芜湖长信科技股份有限公司 | Method for preparing indium tin oxide (ITO) film on resin substrate by using magnetron sputtering |
| CN103970317B (en) * | 2013-01-28 | 2017-09-12 | 宸鸿科技(厦门)有限公司 | Touch-control sensor and contact panel |
| CN106864111B (en) * | 2017-02-14 | 2018-08-03 | 江苏秀强玻璃工艺股份有限公司 | A kind of glass board and preparation method thereof |
| CN108845704A (en) | 2018-06-30 | 2018-11-20 | 云谷（固安）科技有限公司 | Touch panel and preparation method thereof, display device |
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2009
- 2009-02-27 CN CN200910105659A patent/CN101493737B/en active Active
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| CN101493737A (en) | 2009-07-29 |
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Address after: 518000 Guangdong, Shenzhen, Nanshan District Xili street, Technology north 2 Road, Howe tower Patentee after: Shenzhen Howell Display Technology Co. Ltd. Address before: 518057 first floor, Howe tower, two Langshan Road, North Nanshan District science and Technology Park, Shenzhen, Guangdong Patentee before: Shenzhen Hivac Film Technology Co.,Ltd. |
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