CN202976033U - Infrared touch screen and flat-panel display thereof - Google Patents
Infrared touch screen and flat-panel display thereof Download PDFInfo
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- CN202976033U CN202976033U CN 201220640264 CN201220640264U CN202976033U CN 202976033 U CN202976033 U CN 202976033U CN 201220640264 CN201220640264 CN 201220640264 CN 201220640264 U CN201220640264 U CN 201220640264U CN 202976033 U CN202976033 U CN 202976033U
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- infrared
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- touch panel
- touch
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Abstract
The utility model relates to the field of infrared touch screens and provides an infrared touch screen. An infrared transmitting tube and an infrared receiving tube are respectively arranged on two sides of the touch screen. The infrared touch screen further comprises an infrared light guide shell which is fixedly arranged on the periphery of the touch screen and used for guiding infrared rays emitted by the infrared transmitting tube to the infrared receiving tube. According to the infrared touch screen, the infrared transmitting tube and the infrared receiving tube are arranged on the sides of the touch screen, so that the height and the width of the edge of the touch screen are lowered. In addition, the infrared light guide shell arranged outside the touch screen is utilized, a light guide mechanism is arranged on the infrared light guide shell, and the mechanism is utilized to guide the infrared rays emitted by the infrared transmitting tube to the infrared receiving tube. Meanwhile, the infrared light guide shell is further provided with a lens structure, so that the transmitting range of the infrared rays is expanded and the touch accuracy of the touch screen is improved.
Description
Technical field
The utility model relates to a kind of infrared touch panel, especially a kind of infrared touch panel and flat-panel monitor thereof that utilizes the shell leaded light.
Background technology
The principle of work of existing infrared touch panel is: the surrounding at touch-screen is covered with infrared receiving tube and infrared transmitting tube, these infrared tubes are Rankine-Hugoniot relations one to one in touch screen surface, form a light net that is become by infrared ray cloth, when having object (finger, band gloves or any touch object) to enter the infrared light net to stop the infrared ray transmitter and receiver in somewhere, this puts the ultrared power that the receiving tube of both direction anyhow receives and will change, and equipment just can know where touch by the variation of understanding ultrared reception condition.
The infrared touch panel that uses on the market at present is provided with relative one by one power valve 3 ' and receiving tube 4 ' as shown in Figure 1 on the touch-screen 2 ' surface of infrared touch frame.But because the locus of power valve 3 ' and receiving tube 4 ' makes the front meeting of screen increase the width of display bezel and the degree of depth of indent, thereby the quadrilateral at screen becomes higher and wider edge projection, to installation and the very large restriction of touch apparatus appearance design generation of touch-screen.
The utility model content
The screen quadrilateral that the purpose of this utility model is to solve existing infrared touch screen equipment becomes the shortcoming of higher and wider edge projection, and a kind of infrared touch panel and flat-panel monitor thereof are provided.
The technical scheme that its technical matters that solves the utility model adopts is: a kind of infrared touch panel, comprise infrared transmitting tube, infrared receiving tube and display screen and touch-screen bonded to each other, described infrared transmitting tube and described infrared receiving tube are located at respectively the both sides of described touch-screen, and described infrared touch panel comprises that also being fixedly arranged on described touch-screen surrounding is directed to the infrared leaded light shell of described infrared receiver tube for the infrared ray that described infrared transmitting tube is sent.
Particularly, described infrared leaded light shell is provided with that the infrared ray that described infrared transmitting tube is sent is parallel to that described touch panel direction penetrates or the infrared ray that will be parallel to described touch panel direction incident is directed to light guide structure on described infrared receiving tube.
Particularly, described light guide structure is reflective mirror.
Further, described infrared leaded light shell comprises orthogonal the first light-strip, the second light-strip and is connected the convergence part of described the first light-strip and described the second light-strip, the light that infrared transmitting tube sends enters into described convergence part from described the first light-strip, be directed to the second light-strip of described infrared receiving tube by described convergence part from described the second light-strip with the direction of parallel touch-screen, and then with opposite route guidance to described infrared receiving tube.
Further, described convergence part is L-shaped, and the two ends of described convergence part vertically are connected to respectively described the first light-strip and are connected the second light-strip connection.
Further, also be provided with the lens arrangement that can increase described infrared transmitting tube transmitting boundary on the surface of described convergence part with respect to described infrared transmitting tube one side.
Further, described lens arrangement is the matrix diffusing structure.
Further, described spill diffusing structure is corresponding one by one with described infrared transmitting tube.
Further, described convergence part is wedge shape, and two ends, described convergence part are respectively described the first light-strip of being connected directly to of an oblique angle and the second light-strip.
Another purpose of the present utility model is in order to solve the four higher and wider shortcomings in edge, limit of existing its touch-screen of flat-panel monitor, a kind of flat-panel monitor to be provided, comprising above-mentioned a kind of infrared touch panel.
The beneficial effect of a kind of infrared touch panel that the utility model provides is: infrared touch panel provided by the utility model is arranged at infrared transmitting tube and infrared receiving tube the side of touch-screen, thereby height and the width at touch-screen edge have been reduced, utilize simultaneously the infrared leaded light shell in the touch-screen outside, on infrared leaded light shell, light guide structure is set, the infrared ray guiding receiving tube that utilizes this structure that power valve is sent; Simultaneously, also be provided with lens arrangement on infrared leaded light shell, enlarged the scope of infrared emitting, thereby improved the touch precision of touch-screen.
The beneficial effect of a kind of flat-panel monitor provided by the utility model is: adopted infrared touch screen provided by the utility model, because this infrared touch screen is arranged at touch screen two sides with infrared transmitting tube and infrared receiving tube, thereby height and the width at touch-screen edge have been reduced, to being conducive to the design of this flat-panel monitor outward appearance, make this flat-panel monitor can realize super narrow hem width and the very little indent degree of depth of shell, outward appearance can fashion more attractive in appearance.
Description of drawings
Fig. 1 is the structural representation of existing infrared touch panel;
Fig. 2 is the structural representation of the infrared touch panel that provides of the utility model the first embodiment;
Fig. 3 is the perspective view of infrared transmitting tube one side of the infrared touch panel that provides of the utility model the first embodiment;
Fig. 4 is the structural representation of infrared receiving tube one side of the infrared touch panel that provides of the utility model the second embodiment;
In figure: the convergence part of the convergence part of 2 '-touch-screen, 3 '-infrared transmitting tube, 4 '-infrared receiving tube, 1-display screen, 2-touch-screen, 3-infrared transmitting tube, 31-infrared emission device, 4-infrared receiving tube, the infrared leaded light shell of 5-, 51-the first light-strip, 52-the second light-strip, 5211-spill diffusing structure, 53-light guide structure, 54-the first embodiment, 541-translucent construction, 55-the second embodiment.
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explaining the utility model, and be not used in restriction the utility model.
Referring to Fig. 2-3, be a kind of infrared touch panel that the utility model the first embodiment provides, comprise infrared transmitting tube 3, infrared receiving tube 4 and display screen 1 and touch-screen 2 bonded to each other.Infrared transmitting tube 3 and infrared receiving tube 4 are located at respectively the both sides of display screen bonded to each other 1 and touch-screen 2, with traditional infrared touch panel, infrared transmitting tube 3 is compared with the surface that infrared receiving tube 4 is positioned over touch-screen 2, can be effectively reduced height and the width at the edge of touch-screen 2.Simultaneously, infrared touch panel also comprises and is fixedly arranged on the infrared leaded light shell 5 that touch-screen 2 surroundings are used for guiding infrared emitting route.This infrared leaded light shell 5 not only can play the effect of sealing infrared touch panel internal component, can also use as the light-guide device of infrared transmitting tube 3 simultaneously.In the utility model the first embodiment, the infrared ray that infrared transmitting tube 3 sends can be directed on the infrared leaded light shell 5 that is positioned at infrared receiving tube 4 one sides by the infrared leaded light shell 5 that is positioned at infrared transmitting tube 3 one sides, and by the infrared leaded light shell 5 that is positioned at described infrared receiving tube 4, infrared ray is directed on infrared receiving tube 4.
Particularly, the infrared leaded light shell 5 that is positioned at infrared transmitting tube 3 one sides is provided with the infrared ray that infrared transmitting tube 3 is sent and is parallel to the light guide structure 53 that described touch-screen 2 directions penetrate and the infrared leaded light shell 5 that is positioned at infrared receiving tube 4 one sides and is provided with the infrared ray that will be parallel to touch-screen 2 direction incidents and is directed to light guide structure 53 on infrared receiving tube 4.Particularly, in the present embodiment, light guide structure 53 is reflective mirror.Reflective mirror 53 is 45 ° with the angle of touch-screen 2.The infrared ray that infrared transmitting tube 3 is launched is injected infrared leaded light shell 5 and is positioned at infrared transmitting tube 3 one sides, and when arriving on described catoptron 53, form total reflection by reflective mirror 53, infrared ray penetrates along parallel direction with touch-screen 2 by catoptron 53, the vertical trend of purchasing is positioned on the infrared leaded light shell 5 of infrared receiving tube 4 one sides, by the catoptron 53 that is positioned at infrared receiving tube 4 one sides, infrared ray is being directed on infrared receiving tube 4 fully, is forming a complete emission receiving course.
Particularly, please again referring to Fig. 2, in the utility model the first embodiment, described infrared leaded light shell 5 comprises orthogonal the first light-strip 51, the second light-strip 52 and the convergence part 54 that connects the first light-strip 51 and the second light-strip 52.The first light-strip 51 and the second light-strip 52 are all rectangular, and the first light-strip 51 fits in the surface of contact of described touch-screen 2, and the second light-strip 52 is fitted in infrared transmitting tube 3 and infrared receiving tube 4 side of touch-screen 2 and display screen 1 closely.The cross section of convergence part 54 is L-shaped, and its two ends vertically are connected to respectively the first light-strip 51 and the second light-strip 52, makes infrared transmitting tube 3 or infrared receiving tube 4 all can aim at convergence part 54.And light guide structure 53 is located at the junction of the first light-strip 51 and convergence part 54.The infrared ray that infrared transmitting tube 3 sends is vertically injected convergence part 54, and when infrared ray arrives on light guide structure 53, be touch-screen 2 by this light guide structure 53 to be parallel to the first light-strip 51() direction penetrate to the infrared leaded light shell 5 that is positioned at infrared receiving tube 4 one sides, then, vertically injecting the light of this infrared leaded light shell 5 will be according to the route guidance of idea to infrared receiving tube 4.Simultaneously, also be provided with the lens arrangement 541 that can increase infrared transmitting tube 3 transmitting boundaries on the surface of convergence part 54 with respect to a side of infrared transmitting tube 3.Specifically in the utility model the first embodiment, lens arrangement 541 is the spill diffusing structure, be provided with a plurality of connected grooves on the surface of infrared transmitting tube 3 in convergence part 54, each groove is corresponding one by one with infrared transmitting tube 3, be that each groove is corresponding one by one with each infrared emission device 31, thereby make on infrared emission device 31 infrared ray of emission can be along spill cambered surface distributing of wide-angle more.Therefore, the spill diffusing structure has enlarged the ultrared angle of divergence of launching from infrared transmitter 3, thereby has enlarged the scope of infrared emitting.The scope that enlarges emission can make the touch precision on surface of touch-screen 2 higher, perhaps can reduce the quantity of infrared emission device 31 in infrared transmitting tube 3, thereby save the cost of product.
See also Fig. 4, be the second embodiment provided by the utility model, this embodiment is from the different of the first embodiment, 55 cross section is wedge shape in the convergence part, and two ends be respectively an oblique angle be connected directly to the first light-strip 51 and the second light-strip 52, and on convergence part 55, lens arrangement is not set.Same, the infrared ray that infrared transmitting tube 3 sends still can lead out through the light guide structure 53 of infrared leaded light shell 5 and be parallel to the infrared ray of touch-screen 2, and the infrared ray that is parallel on touch-screen 2 is directed to the complete process that transmits and receives of the interior formation of light guide structure infrared receiving tube 4 by infrared leaded light shell 5.Therefore, light guide structure 54 is not limited only to 45 ° with the angle of touch-screen 2, can also any energy will inject infrared leaded light shell 5 interior infrared lights and be directed to the angle of infrared receiving tube 4, thereby realize the effect that 5 pairs of infrared rays of infrared leaded light shell lead.
The utility model also provides a kind of flat-panel monitor, comprises a kind of infrared touch panel of above-mentioned the first embodiment or the second embodiment.This flat-panel monitor can be the flat-panel devices that flat panel TV, display, monitor, intelligent television, Pad etc. need touch.Because this infrared touch screen is arranged at touch-screen 2 two sides with infrared transmitting tube 3 and infrared receiving tube 4, thereby height and the width at touch-screen 2 edges have been reduced, to being conducive to the design of this flat-panel monitor outward appearance, make this flat-panel monitor can realize super narrow hem width and the very little indent degree of depth of shell, outward appearance can fashion more attractive in appearance.
These are only preferred embodiment of the present utility model, not in order to limiting the utility model, all any modifications of doing within spirit of the present utility model and principle, be equal to and replace and improvement etc., within all should being included in protection domain of the present utility model.
Claims (10)
1. infrared touch panel, comprise infrared transmitting tube, infrared receiving tube and display screen and touch-screen bonded to each other, it is characterized in that, described infrared transmitting tube and described infrared receiving tube are located at respectively the both sides of described touch-screen, and described infrared touch panel comprises that also being fixedly arranged on described touch-screen surrounding is directed to the infrared leaded light shell of described infrared receiver tube for the infrared ray that described infrared transmitting tube is sent.
2. a kind of infrared touch panel as claimed in claim 1, it is characterized in that, described infrared leaded light shell is provided with that the infrared ray that described infrared transmitting tube is sent is parallel to that described touch panel direction penetrates or the infrared ray that will be parallel to described touch panel direction incident is directed to light guide structure on described infrared receiving tube.
3. a kind of infrared touch panel as claimed in claim 2, is characterized in that, described light guide structure is reflective mirror.
4. a kind of infrared touch panel as claimed in claim 1, it is characterized in that, described infrared leaded light shell comprises orthogonal the first light-strip and is connected light-strip and the convergence part that is connected described the first light-strip and described the second light-strip, the light that infrared transmitting tube sends enters into described convergence part from described the first light-strip, be directed to the second light-strip of described infrared receiving tube by described convergence part from described the second light-strip with the direction of parallel described touch-screen, and then with opposite route guidance to described infrared receiving tube.
5. a kind of infrared touch panel as claimed in claim 4, is characterized in that, described convergence part is L-shaped, and the two ends of described convergence part vertically are connected to respectively described the first light-strip and are connected the second light-strip connection.
6. a kind of infrared touch panel as claimed in claim 5, is characterized in that, described convergence part also is provided with the lens arrangement that can increase described infrared transmitting tube transmitting boundary on the surface with respect to described infrared transmitting tube one side.
7. a kind of infrared touch panel as claimed in claim 6, is characterized in that, described lens arrangement is the matrix diffusing structure.
8. a kind of infrared touch panel as claimed in claim 7, is characterized in that, described spill diffusing structure is corresponding one by one with described infrared transmitting tube.
9. a kind of infrared touch panel as claimed in claim 4, is characterized in that, described convergence part is wedge shape, and two ends, described convergence part are respectively described the first light-strip of being connected directly to of an oblique angle and the second light-strip.
10. a flat-panel monitor, is characterized in that, comprises a kind of infrared touch panel as described in claim 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220640264 CN202976033U (en) | 2012-11-28 | 2012-11-28 | Infrared touch screen and flat-panel display thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220640264 CN202976033U (en) | 2012-11-28 | 2012-11-28 | Infrared touch screen and flat-panel display thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202976033U true CN202976033U (en) | 2013-06-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220640264 Expired - Fee Related CN202976033U (en) | 2012-11-28 | 2012-11-28 | Infrared touch screen and flat-panel display thereof |
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| CN (1) | CN202976033U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108399028A (en) * | 2018-04-09 | 2018-08-14 | 欧浦登（福州）光学有限公司 | Dustproof and waterproof infrared touch control module is thinned |
-
2012
- 2012-11-28 CN CN 201220640264 patent/CN202976033U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108399028A (en) * | 2018-04-09 | 2018-08-14 | 欧浦登（福州）光学有限公司 | Dustproof and waterproof infrared touch control module is thinned |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130605 Termination date: 20181128 |
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| CF01 | Termination of patent right due to non-payment of annual fee |