CN203070255U - Infrared touch screen - Google Patents
Infrared touch screen Download PDFInfo
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- CN203070255U CN203070255U CN 201220662075 CN201220662075U CN203070255U CN 203070255 U CN203070255 U CN 203070255U CN 201220662075 CN201220662075 CN 201220662075 CN 201220662075 U CN201220662075 U CN 201220662075U CN 203070255 U CN203070255 U CN 203070255U
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- touch panel
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Abstract
The utility model relates to an infrared touch screen which comprises light guide columns, a touch screen body and circuit boards. The infrared touch screen is characterized in that a section of the touch screen body is T-shaped, the touch surface of the touch screen body is formed on the upper portion of the touch screen body which is T-shaped, a boss is formed in the middle of the lower portion of the touch screen body in a protruding mode, the lower portions of two sides of the touch screen body are placed on supporting platforms of the light guide columns, and each circuit board is arranged inside a cavity formed between the inner side of each supporting platform and the side wall of the boss on the lower portion of the touch screen body. The thickness of a frame of a traditional infrared screen is reduced, an ultralow ultra-narrow frame can be formed, a specific light beam control lens can be designed according to a light source, and requirements of touch scanning detection for the light source can be satisfied.
Description
Technical field
The utility model relates to a kind of touch-screen, relates in particular to a kind of infrared touch panel.
Background technology
Existing infrared touch product, it adopts mode all is by by being installed in X, Y-direction arrange uniform infrared transmitting tube and infrared receiving tube around along the touch area, control and driving circuit drive infrared transmitting tube and infrared receiving tube under the control of MCU run time version, the infrared ray matrix that corresponding scanning formation directions X and Y-direction are intersected anyhow.When touching, finger or other object will block the infrared ray anyhow through this point, judge the position of touch point on touch-screen by control system.
At present in the infrared touch panel field, be 200820109789.4 " a kind of catoptron that is applied on the touch-screen " as the patent No., this utility model fundamental purpose is: utilize principle of reflection will, the element number that transmits and receives that reduces on the infrared touch panel reduces by half; The cardinal principle that as the patent No. is " a kind of multi-point touch panel of pure flat structure " this utility model of 201020271758.6 is: increased a light guide plate on the basis of common infrared touch panel, be used for to fill common touch and touch the touch-screen body (panel of being formed by glass or transparent plastic material, down together) touch face (makes the plane of its response by the touching touch-screen, cavity down together), thus reaching the surface seems pure flat effect; As 200710028616.X " a kind of infrared touch panel and multi-point touch locating method thereof " etc.No matter be single-point or multiple spot infrared touch panel in existing infrared touch panel patented technology or the product, the basic assembling mode of its infrared touch panel all is that infrared tube is put on the touch face of touch-screen, in this structure, all has following problem:
1, anti-high light interference capability is poor.Existing infrared touch panel, because infrared tube is to be placed on the touch face, light from outside is easy to be mapped to infrared receiver, thereby influences the operate as normal of touch-screen, and therefore general touch touch-screen body all can not be in operate as normal under the high light (as sunlight or stronger incandescent lamp).
2, all there is wideer and higher edge projection in four limits of infrared touch panel touch face.In existing infrared touch panel field; infrared tube generally all is installed in the top that the touch-screen body touches face; add infrared tube protection thickness of structure; thereby the quadrilateral at the touch-screen body becomes higher and wideer edge projection; installation and touch apparatus appearance design to touch-screen produce very big restriction, are not easy for the manufacture of real integrated infrared touch product.
At the problems referred to above, US Patent No. 2007/0165008 A1 " a kind of small-sized infrared screen touch panel device ", reduce touch-screen border width and cost of products.This device " comprises a touch-screen that is installed in the framework, a circuit board that is installed in back, display screen rear portion, infrared transmitting tube and an infrared receiving tube that is installed on the circuit board that is installed on the circuit board.First reflection unit and infrared transmitting tube carry out optical communication, and described first reflection unit can change the direction of the infrared beam that display screen rear portion infrared transmitting tube produces, and makes it through the front area of described display screen.Second reflection unit and first reflection unit carry out optical communication, and second reflection unit can will change the direction of the infrared beam of described display screen front end, makes it arrive display screen rear portion infrared detecting device." but also there is following deficiency in this technology in application:
Since infrared transmitting tube and infrared receiving tube be installed on the circuit board, and circuit board is installed in the back side of display screen, reflection unit and display screen are again separate, in infrared light path emission dress and the difficult affirmation of the relative position of reflection unit and fixing reliably.Everybody knows infrared transmitting tube and infrared receiving tube needs corresponding one by one, will certainly bring very big trouble to Installation and Debugging like this, display screen back side out-of-flatness simultaneously and display screen and reflective structure relative position change all can have influence on installation accuracy, and installation accuracy can directly have influence on the performance that touches product again.
2. because the circuit board of infrared transmitting tube and the circuit board of infrared receiving tube are installed, all be arranged on the back side of display screen, and reflection unit exceeds the front of display screen, there is certain thickness in display screen, this will cause the infrared light of the emission of infrared transmitting tube to pass to the infrared receiving tube reception needs pass by path length in reflection unit, and the light intensity that causes infrared receiving tube to receive is very weak.Make this infrared screen installation cost height, poor reliability is a little less than the antijamming capability.
3. touch face is the display screen outside surface, and long-time use meeting makes a big impact to display screen, and hoverheight also can not solve simultaneously, i.e. in the use process also not " in the point " touch-screen just respond, so very easily cause various maloperations.
Other has the patent No. is 200420117952.3 " a kind of light path systems that use the infrared touch panel of reflective mirror ", " by uprightly be installed in circuit board that display surface parallels on infrared emission and receiving tube array and the place ahead thereof, become the reflective mirror of miter angle to constitute with display surface.After the infrared ray that infrared transmitting tube is launched was reflected by reflective mirror, the reflective mirror that arrives receiving tube the place ahead by display surface the place ahead was reflected to receiving tube.This structure is particularly suitable for touch display, and reflective mirror is installed between display surface and the front panel and constitutes light-path, transmits and receives pipe and is installed on the display element circuit board, has reduced thickness or the height of touch-screen at the width of cloth." but there is following deficiency in this technology in application:
1. when the circuit board that infrared transmitting tube and receiving tube are installed places the back side that shows screen, and the front that exceeds display screen of reflective mirror, all there is certain thickness in display screen, the path length that this will cause the infrared light of infrared transmitting tube need pass by to infrared receiving tube, and the light intensity that causes infrared receiving tube to receive is very weak.Make this infrared screen installation cost height, poor reliability is a little less than the antijamming capability.
2. the infrared light reflection face becomes miter angle with display surface, causes the decline of reflecting properties to be directed at the decline of signal quality if entering of adopting that mirror construction will cause that stray light disturbs and dust enter reflecting surface, makes the reliability decrease of work.If when adopting 45 of right angle prism to spend inclined-planes as reflective surface, the rim effect of infrared touch panel can be apparent in view, this will have a strong impact on the touch performance.
3. when being installed on the display screen front as if this system, can not reach the effect that reduces touch-screen thickness or height.If circuit board is installed in the back side of display screen, and the circuit board top that infrared transmitting tube and infrared receiving tube are installed, mirror apparatus and display screen are again separate, the relative position of power valve and reflection unit is difficult for confirming and is fixing reliably on the infrared light path, and infrared transmitting tube and infrared receiving tube need correspondence one by one, will certainly bring very big trouble to Installation and Debugging like this, display screen back side out-of-flatness simultaneously and display screen and reflective structure relative position change all can have influence on installation accuracy, and installation accuracy can directly have influence on the performance that touches product again.Circuit board is installed in the back side of display screen, and reflex reflector and display screen are again separate, and both position relations are extremely unstable.
4. touch face is the display screen outside surface, and long-time use meeting makes a big impact to display screen, and hoverheight also can not solve simultaneously, i.e. in the use process also not " in the point " touch-screen just respond, so very easily cause various maloperations.
The utility model content
In order to solve the above-mentioned defective that existing infrared touch panel exists, the purpose of this utility model provides a kind of infrared touch panel, this infrared touch panel is on the basis with leaded light rod structure infrared touch panel principle, use step touching medium (glass or clear plastic) and superthin PCB plate, the location-plate structure is installed.Make touch-screen thickness ultra-thin, super narrow frame, dustproof and waterproof is very easily installed, and has both simplified the infrared touch panel structure, improves again to touch performance, increases aesthetics simultaneously greatly.
In order to solve the problems of the technologies described above, the technical solution adopted in the utility model is:
A kind of infrared touch panel, comprise leaded light post, touch-screen body, circuit board, it is characterized in that: described touch-screen body section is inverted " protruding " font, touch-screen body touch-surface is formed at " protruding " shape touch-screen body top, the bottom center section protrudes and forms boss, the bottom of touch-screen body both sides is placed on the cushion cap of leaded light post, and described circuit board places the inboard cavity that forms with touch-screen body lower boss sidewall of cushion cap.
Described circuit board is bonded in down the bottom of " protruding " shape touch-screen body both sides.
Described infrared touch panel also comprises a backplate, and described backplate is positioned at the bottom of touch-screen body middle part boss and cushion cap, and bonding with the bottom of touch-screen body middle part boss and cushion cap.
Described backplate is sheet metal, and metal casing is provided with the threaded hole of fixing metal backplate.
Described backplate is mylar sheet.
Described touch-screen body, leaded light post, metal casing surround a relative confined space, and circuit board is positioned at described confined space.Front or the back side around described " protruding " shape touch-screen body scribble opaque layer.
Front or the back side around described " protruding " shape touch-screen body scribble the black non transparent layer.
Described touch-screen body is by double glazing or the bonding integral body that forms of clear plastic.
Described touch-screen body is formed by a glass or clear plastic cutting.
The utlity model has following advantage:
1, the touch-screen body is inverted " protruding " font in the utility model, the bottom of touch-screen body both sides is placed on the cushion cap of leaded light post, described circuit board places the inboard cavity that forms with boss inboard, touch-screen body middle part of cushion cap, change by circuit board position, also just change the position of infrared emission, receiving element, reduce the seal ring thickness of traditional infrared screen, can accomplish ultralow super narrow frame; On the other hand, can become specific Beam Control lens according to light source design again, satisfy touching the scanning detection to the requirement of light source.
2, the circuit board described in the utility model is bonded in down the bottom of " protruding " shape touch-screen body both sides, adopt this structure infrared tube at touch-screen body ground floor back, can effectively reduce the touch-screen integral thickness, simultaneously owing to adopt light-guide device to reach ultra-thin frame, ultralow frame, and ultralow hoverheight.
3, in the relative confined space that circuit board is surrounded by touch-screen body, leaded light post, metal casing in the utility model, can effectively avoid dust, other material such as water guarantees the normal use of touch screen under the mal-condition to the influence of infrared light transmission, has improved the protective of product simultaneously.
4, front or the back side around the utility model touch-screen body scribbles the black non transparent layer, prevents that ambient light from shining possibility of infrared tube, reduces the influence of light interference greatly, and covers electronic component such as circuit board and reach effect attractive in appearance.
5, the utility model touch-screen body forms wholely by double glazing or clear plastic are bonding, or is formed by a glass or clear plastic cutting, and multiple production method is provided, and is conducive to product enforcement and large batch of production.
6, the technical solution of the utility model is reduced to frame about 3MM by traditional 20MM, and the frame height is reduced to about 1.5MM by 5MM, and hoverheight is reduced in the 0.3MM by 3-5MM.
7, in the utility model, owing to be provided with barrier bed at front or the back side of touching medium non-display area, therefore extraneous high light is difficult to penetrate barrier bed and shines infrared transmitting tube and infrared receiving tube, reduced extraneous high light to the interference of infrared transmitting tube and infrared receiving tube, strengthened the signal intensity that signal transmits and receives, simultaneously circuit board, infrared transmitting tube and the infrared receiving tube that is arranged on the touch-screen body back side worked the effect of blocking, make more create an aesthetic feeling of product appearance, be conducive to enlarge the market competitiveness; Overcome the shortcoming of the anti-high light ability of touch-screen, product shortage aesthetic feeling in the prior art.
Description of drawings
Fig. 1 is the structural representation of the utility model band metal casing;
Fig. 2 is the structural representation of the utility model band mylar sheet backplate;
Fig. 3 is the utility model embodiment 3 structural representations;
Fig. 4 is the main TV structure synoptic diagram of the utility model embodiment 4;
Fig. 5 is the sectional structure synoptic diagram of the utility model embodiment 4;
Embodiment
As shown in Figure 1, a kind of infrared touch panel, it comprises leaded light post 2, touch-screen body 1, circuit board 3, described touch-screen body 1 cross section is inverted " protruding " font, touch-screen body touch-surface is formed at " protruding " shape touch-screen body 1 top, the bottom center section protrudes and forms boss, and the bottom of touch-screen body both sides is placed on the cushion cap 4 of leaded light post, and described circuit board 3 places the cushion cap 4 inboard cavitys that form with touch-screen body lower boss sidewall.Circuit board 3 is bonded in down the bottom of " protruding " shape touch-screen body 1 both sides.
Described infrared touch panel also comprises a backplate 5, and backplate 5 is positioned at the bottom of touch-screen body middle part boss and cushion cap 4, and bonding with the bottom of touch-screen body middle part boss and cushion cap 4.Described backplate is selected sheet metal for use, and metal casing is provided with the threaded hole of fixing metal backplate.Can be connected with circuit board 3 by threaded hole, also can pass through threaded hole (6) and be connected with display screen (12).
Above-mentioned touch-screen body 1, leaded light post 2, metal casing 5 surround a relative confined space, and circuit board 3 is positioned at described confined space.Front or the back side around " protruding " shape touch-screen body scribbles opaque layer, as the black non transparent layer.
Above-mentioned touch-screen body 1 is by double glazing or the bonding integral body that forms of clear plastic, and the superiors are touch faces 15.
This structure infrared tube is at touch-screen body ground floor back, can effectively reduce touch-screen body integral thickness, simultaneously owing to adopt light-guide device to reach ultra-thin frame, ultralow frame, and ultralow hoverheight, the opaque setting in the touch-screen body ground floor back side (print or be sprayed on the touch visible area the opaque material of one deck is set outward) reaches effect attractive in appearance to reach electronic components such as covering circuit board.Light-guide device and the touching medium back side arrange one and location-plate are installed with convenient, the installation of touch-screen and display device (display, all-in-one, panel computer etc.) simultaneously.
As shown in Figure 2, a kind of infrared touch panel, it comprises leaded light post 2, touch-screen body 1, circuit board 3, described touch-screen body 1 cross section is inverted " protruding " font, " protruding " shape touch-screen body 1 top formation touch-screen body that falls touches face 15, the bottom center section protrudes and forms boss, and the bottom of touch-screen body both sides is placed on the cushion cap 4 of leaded light post, and described circuit board 3 places the cushion cap 4 inboard cavitys that form with touch-screen body lower boss sidewall.Circuit board 3 is bonded in down the bottom of " protruding " shape touch-screen body 1 both sides.
Described infrared touch panel also comprises a backplate 5, and backplate 5 is positioned at the bottom of touch-screen body middle part boss and cushion cap 4, and with bonding in the bottom of touch-screen body middle part boss and cushion cap 4.Described backplate is mylar sheet, can effectively reduce the touch-screen integral thickness, owing to adopt light-guide device to reach ultra-thin frame, ultralow frame reaches ultralow hoverheight simultaneously.
Above-mentioned touch-screen body 1, leaded light post 2, mylar sheet backplate 5 surround a relative confined space, and circuit board 3 is positioned at described confined space.Front or the back side around " protruding " shape touch-screen body scribbles opaque layer, as the black non transparent layer.
Above-mentioned touch-screen body 1 is formed by a glass or clear plastic cutting.
This structure infrared tube is at touch-screen body ground floor back, can effectively reduce touch-screen body integral thickness, simultaneously owing to adopt light-guide device to reach ultra-thin frame, ultralow frame, and ultralow hoverheight, the opaque setting in the touch-screen body ground floor back side (print or be sprayed on the touch visible area the opaque material of one deck is set outward) reaches effect attractive in appearance to reach electronic components such as covering circuit board.Effects such as simultaneously light-guide device and the touching medium back side arrange rubber belt sealing reaching waterproof, and is dustproof easily make things convenient for device maintenance and replacings such as circuit board simultaneously with replacing.
As shown in Figure 3, a kind of infrared touch panel, comprise touch-screen body 1, leaded light post 2, circuit board 3, be installed with infrared transmitting tube 8 and infrared receiving tube 9 on the circuit board 3, described touch-screen body 1 is positioned on the cushion cap 4 of leaded light post 2, described circuit board 3 is positioned at cushion cap 4 belows of leaded light post 2, and the infrared transmitting tube on the circuit board 38 and infrared receiving tube 9 all are positioned at cushion cap 4 inboards.
The preferred implementation of present embodiment is, described cushion cap 4, circuit board 3 and touch-screen body 1 three are combined to form a U-shaped cavity, this U-shaped cavity forms airtight cavity by dustproof foam 7 and fluid sealant, infrared transmitting tube 8 and infrared receiving tube 9 on circuit board component face and the circuit board 3 all are positioned at this cavity, wherein, described fluid sealant comprises dustproof glue, marine glue, rubber, silica gel goods, preferably uses flexible entity fitted seal such as EVI bubble silk floss, dust excluder, EPE in sealing.
In the present embodiment, described touch-screen body 1 is parallel with the upper surface of cushion cap 4, and described circuit board 3 is parallel with the lower surface of cushion cap 4, and upper surface, lower surface and the circuit board 3 of preferred touch-screen body 1, cushion cap 4 all be arranged in parallel, be convenient to reduce touch-screen thickness, improve the touch precision.
Among this real embodiment, preferred circuit plate 3 is connected with cushion cap 4 lower surface bonds of leaded light post 2, but also can be by bolt connection or bolt and bonding being connected.
The preferred implementation of present embodiment is that described touch-screen body 1 is connected with the upper surface of cushion cap 4 is bonding.
Described touch-screen body 1 is connected with the inside surface of leaded light post 2 is chimeric, in the time of preferred chimeric connection between touch-screen body and leaded light post again by dustproof glue or marine glue sealing.
In the utility model, the cushion cap 4 of institute's art leaded light post 2 is support portions that are used for supports touchscreen touch-screen body 1 that leaded light post 2 medial surface levels stretch out and form.
As Fig. 4, shown in Figure 5, a kind of infrared touch panel, comprise touch-screen body 1, leaded light post 2, contain the circuit board of infrared transmitting tube 8 and infrared receiving tube 9, fixedly connected with the cushion cap 4 of leaded light post 2 in the back side of touch-screen body 1, the front of described touch-screen body 1 or the back side are provided with one deck barrier bed 14 at least, and described barrier bed 14 is positioned at touching medium non-display area 11.
The preferred implementation of present embodiment is that the barrier bed 14 that is arranged on touch-screen body 1 front or the back side flushes with the frame 13 of the display screen 12 that is arranged on touch-screen body 1 below.
Further, preferably around described touch-screen body 1, barrier bed 14 is set equally also, cooperates with the barrier bed 14 at touch-screen body 1 front or the back side, to 1 general protection of touch-screen body, improve the anti-high light ability of touch-screen body 1.
In the present embodiment, described barrier bed 14 is thin slices of being made by adhesive tape, light-shielding sheet, trnaslucent materials, plastic foil or sheet metal, described thin slice and 1 bonding connection of touch-screen body, but be not limited to aforesaid way, also can adopt other light screening material commonly known in the art.
In the present embodiment, described barrier bed 14 can be painting layer or the ink coating that is coated on the touch-screen body 1;
Further, described barrier bed 14 can form by the printing silk screen printing process, the i.e. regional process black that blocks at needs or the pattern with decorative pattern etc., can also form by corrosion or texture technology, i.e. zonal corrosion or the texture that blocks at needs, reach atomized surface effect, to block the metal edge frame 13 of infrared transmitting tube 8, infrared receiving tube 9 and display screen 12, play shading and beautify effect.
The another preferred implementation of present embodiment is that the thickness of described barrier bed is 0.003-0.1mm.
Obviously; those of ordinary skill in the art is according to the technical know-how of grasping and customary means; according to above said content, can also make the various ways that does not break away from the utility model basic fundamental thought, these pro forma conversion are all within protection domain of the present utility model.
Claims (10)
1. infrared touch panel, comprise leaded light post (2), touch-screen body (1), circuit board (3), it is characterized in that: described touch-screen body (1) cross section is inverted " protruding " font, touch-screen body touch-surface is formed at " protruding " shape touch-screen body (1) top, the bottom center section protrudes and forms boss, the bottom of touch-screen body (1) both sides is placed on the cushion cap (4) of leaded light post, and described circuit board (3) places the inboard cavity that forms with touch-screen body (1) lower boss sidewall of cushion cap (4).
2. infrared touch panel according to claim 1, it is characterized in that: described circuit board is bonded in down the bottom of " protruding " shape touch-screen body both sides.
3. infrared touch panel according to claim 2 is characterized in that: also comprise a backplate (5), described backplate (5) is positioned at the bottom of touch-screen body middle part boss and cushion cap (4), and bonding with the bottom of touch-screen body middle part boss and cushion cap (4).
4. infrared touch panel according to claim 3, it is characterized in that: described backplate is sheet metal, metal casing is provided with the threaded hole (6) of fixing metal backplate.
5. infrared touch panel according to claim 3, it is characterized in that: described backplate is mylar sheet.
6. infrared touch panel according to claim 3, it is characterized in that: described touch-screen body (1), leaded light post (2), metal casing (5) surround a relative confined space, and circuit board (3) is positioned at described confined space.
7. infrared touch panel according to claim 6 is characterized in that: described front or the back side of falling around " protruding " shape touch-screen body scribbles opaque layer.
8. infrared touch panel according to claim 7 is characterized in that: described front or the back side of falling around " protruding " shape touch-screen body scribbles the black non transparent layer.
9. infrared touch panel according to claim 8 is characterized in that: described touch-screen body by double glazing or clear plastic bonding form whole.
10. infrared touch panel according to claim 8 is characterized in that: described touch-screen body is formed by a glass or clear plastic cutting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220662075 CN203070255U (en) | 2012-12-05 | 2012-12-05 | Infrared touch screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220662075 CN203070255U (en) | 2012-12-05 | 2012-12-05 | Infrared touch screen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203070255U true CN203070255U (en) | 2013-07-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220662075 Expired - Fee Related CN203070255U (en) | 2012-12-05 | 2012-12-05 | Infrared touch screen |
Country Status (1)
| Country | Link |
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| CN (1) | CN203070255U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20150193103A1 (en) * | 2014-01-06 | 2015-07-09 | Samsung Electronics Co., Ltd. | User terminal apparatus and control method thereof |
| CN108600460A (en) * | 2018-05-07 | 2018-09-28 | 维沃移动通信有限公司 | A kind of mobile terminal |
| WO2023056765A1 (en) * | 2021-10-08 | 2023-04-13 | 深圳市华胜软件技术有限公司 | Infrared touch screen and display apparatus |
-
2012
- 2012-12-05 CN CN 201220662075 patent/CN203070255U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20150193103A1 (en) * | 2014-01-06 | 2015-07-09 | Samsung Electronics Co., Ltd. | User terminal apparatus and control method thereof |
| CN108600460A (en) * | 2018-05-07 | 2018-09-28 | 维沃移动通信有限公司 | A kind of mobile terminal |
| WO2023056765A1 (en) * | 2021-10-08 | 2023-04-13 | 深圳市华胜软件技术有限公司 | Infrared touch screen and display apparatus |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 610000 CHENGDU, SICHUAN PROVINCE TO: 610041 CHENGDU, SICHUAN PROVINCE |
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| TR01 | Transfer of patent right |
Effective date of registration: 20150210 Address after: 610041 floor, building 6, No. 1, South Garden Road, high tech Zone, Chengdu, Sichuan, China Patentee after: GENERAL TOUCH Co.,Ltd. Address before: 610000 Chengdu high tech Zone, Sichuan Province Branch Park Road, No. 6 Patentee before: CHENGDU GENERAL TOUCH TECHNOLOGY Co.,Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130717 Termination date: 20211205 |