CN201535901U - Touch screen - Google Patents
Touch screen Download PDFInfo
- Publication number
- CN201535901U CN201535901U CN2009201640067U CN200920164006U CN201535901U CN 201535901 U CN201535901 U CN 201535901U CN 2009201640067 U CN2009201640067 U CN 2009201640067U CN 200920164006 U CN200920164006 U CN 200920164006U CN 201535901 U CN201535901 U CN 201535901U
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- touch
- screen according
- photosensitive layer
- touch interface
- glass plate
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Abstract
The utility model discloses a touch screen, which comprises a frame and a touch interface, and also comprises an area light detector which is coupled to the touch interface and is configured to detect invisible light reflected from the touch interface or objects adjacent to the touch interface, a flat light guide plate coupled to the area light detector, and an invisible light source arranged at the side of the flat light guide plate. The touch screen does not belong to any existing types of touch screens, and belongs to a novel touch screen, which has high detection accuracy and broad market development prospect.
Description
Technical field
The utility model belongs to human-computer interaction technique field, is specifically related to a kind of novel touch screen.
Background technology
Touch-screen as a kind of convenient, the human-computer interaction device is approved by masses intuitively, touch-screen on the market is varied, as resistance screen, capacitance plate, infrared screen, ultrasound wave screen etc.Dissimilar touch-screens all have advantage and shortcoming separately, are applicable to different field.Touch screen technology is in the high speed development stage, needs how novel touch-screen to enrich touch-screen family.
The utility model content
Be different from the touch-screen of existing kind, the utility model proposes a kind of novel touch-screen, this touch-screen comprises framework, touch interface, and described touch-screen also comprises: be coupled to described touch interface, be disposed for detecting from being positioned on the described touch interface or the area light detector of the invisible light of the object that is adjacent reflection; Be coupled to the plane light guide plate of described area light detector; And the invisible light source that is arranged at light guide plate side, described plane.
Further, the astigmatic face of described plane light guide plate is towards described touch interface.
Further, described invisible light source is infrared tubular light source or infrared spotlight.
Further, described area light detector is a photosensitive layer.
Further, described photosensitive layer is a photo-transistor arrays.
Further, described touch interface is that substratum transparent and described substratum transparent are identical with the refractive index of described photosensitive layer.
Further, described touch interface is the AG glass plate, has below the described AG glass plate layer of transparent glue-line and described AG glass plate identical or close with the refractive index of described substratum transparent and described photosensitive layer.
Further, described substratum transparent is the acrylic glue-line.
Further, described touch interface is that difference between the refractive index of substratum transparent and described substratum transparent and described photosensitive layer is no more than 10%.
Further, described touch interface is the AG glass plate, has below the described AG glass plate difference between the refractive index of layer of transparent glue-line and described AG glass plate and described substratum transparent and described photosensitive layer to be no more than 10%.
The utility model also provides another kind of touch-screen, comprises framework, touch interface, and described touch-screen also comprises: the plane light guide plate that is coupled to described touch interface; Be arranged at the invisible light source of light guide plate side, described plane; And be coupled to described touch interface, be disposed for detecting from being positioned on the described touch interface or the area light detector of the invisible light of the object that is adjacent reflection.
Further, the astigmatic face of described plane light guide plate is towards described touch interface.
Further, described invisible light source is infrared tubular light source or infrared spotlight.
Further, described area light detector is a photosensitive layer.
Further, described photosensitive layer is a photo-transistor arrays.
Further, described touch interface is that substratum transparent and described substratum transparent are identical or close with the refractive index of described photosensitive layer.
Further, described touch interface is the AG glass plate, has below the described AG glass plate layer of transparent glue-line and described AG glass plate identical or close with the refractive index of described substratum transparent and described photosensitive layer.
Further, described substratum transparent is the acrylic glue-line.
Further, described touch interface is that difference between the refractive index of substratum transparent and described substratum transparent and described photosensitive layer is no more than 10%.
Further, described touch interface is the AG glass plate, has below the described AG glass plate difference between the refractive index of layer of transparent glue-line and described AG glass plate and described substratum transparent and described photosensitive layer to be no more than 10%.
The utility model also provides the third touch-screen, comprising:
A. framework;
B. touch interface, described touch interface are virtual or entity;
C. be disposed for detecting from being positioned on the described touch interface or the area light detector of the invisible light of the object that is adjacent reflection; And
D. luminophor.
Further, described area light detector is installed on the described framework and is positioned at the below of described touch interface.
Further, described luminophor is made up of invisible light source and plane light guide plate, and the side of described plane light guide plate is provided with the below that invisible light source and described plane light guide plate are arranged at described area light detector.
Further, described luminophor is made up of invisible light source and plane light guide plate, and the side of described plane light guide plate is provided with the top that invisible light source and described plane light guide plate are arranged at described area light detector.
Further, described luminophor is arranged at the below of described area light detector.
Further, described luminophor is one of infrared scan light source, infrared spotlight, infrared tubular light source.
Further, described area light detector is a photosensitive layer.
Further, described photosensitive layer is a photo-transistor arrays.
Further, described touch interface is that substratum transparent and described substratum transparent are identical or close with the refractive index of described photosensitive layer.
Further, described touch interface is the AG glass plate, has below the described AG glass plate layer of transparent glue-line and described AG glass plate identical or close with the refractive index of described substratum transparent and described photosensitive layer.
Further, described substratum transparent is the acrylic glue-line.
Further, described touch interface is that difference between the refractive index of substratum transparent and described substratum transparent and described photosensitive layer is no more than 10%.
Further, described touch interface is the AG glass plate, has below the described AG glass plate difference between the refractive index of layer of transparent glue-line and described AG glass plate and described substratum transparent and described photosensitive layer to be no more than 10%.
Further, described invisible light source is infrared tubular light source or infrared spotlight.
Further, the astigmatic face of described plane light guide plate is towards described touch interface.
The infrared light that invisible light source sent in this touch-screen described in the utility model is by reflection, the refraction back directive touch interface of plane light guide plate, when touch objects in touching or during near touch interface, the invisible light that invisible light source is launched will be reflected back, the invisible light that the thing that is touched reflects back will be received by area detector, by analysis, handle and to obtain the touch objects position and to make default operation response.This touch-screen accuracy of detection height has market development prospect widely.
Description of drawings
Fig. 1 is the schematic cross section of a kind of embodiment of touch-screen;
Fig. 2 is the schematic cross section of the another kind of embodiment of touch-screen;
Fig. 3 is the schematic cross section of the third embodiment of touch-screen;
Fig. 4 is a kind of schematic cross section of prioritization scheme of a kind of embodiment of touch-screen;
Fig. 5 is a kind of schematic cross section of prioritization scheme of the another kind of embodiment of touch-screen.
Embodiment
The utility model will be further described below in conjunction with specification drawings and specific embodiments.
With reference to Fig. 1, schematic cross section for a kind of embodiment of a kind of touch-screen of the utility model, this touch-screen comprises framework 101, touch interface 102, and this touch-screen also comprises: be coupled to touch interface 102, be disposed for detecting from being positioned on the touch interface 102 or the area light detector 103 of the invisible light of the object that is adjacent reflection; Be coupled to the plane light guide plate 104 of area light detector 103; And the invisible light source 105 that is arranged at plane light guide plate 104 sides.Wherein, touch interface 102 can be virtual or entity; Invisible light source 105 is infrared tubular light source or infrared spotlight; Invisible light is an infrared light; Area light detector 103 is a photosensitive layer, preferably transparent photosensitive layer, and photosensitive layer also can be photo-transistor arrays; The astigmatic face of plane light guide plate 104 is towards touch interface 102.This photosensitive layer can be easily sees through the light in the infra-red range that incides on its lower surface, but can detect the light in the same wavelength ranges of touch interface top reflection, and does not influence the quality of the image that shows in visible wavelength region.Pass through the reflection of plane light guide plate 104 from the infrared light that infrared light supply sent, refraction back directive touch interface 102, when touch objects 106 in touching or during near touch interface 102, the Infrared 107 that infrared light supply will be launched reflects back, the Infrared 108 that the thing 106 that is touched reflects back will be received by photosensitive layer, the analysis of the PC system (not shown) that the received light signal process of photosensitive layer is connected with photosensitive layer, processing obtains the position of touch objects 106, and the touch objects positional information that obtains is transferred in the equipment (not shown) that is attached thereto.
With reference to Fig. 2, be the schematic cross section of the another kind of embodiment of a kind of touch-screen of the utility model, this touch-screen comprises framework 101, touch interface 102, this touch-screen also comprises: the plane light guide plate 104 that is coupled to touch interface 102; Be arranged at the invisible light source 105 of plane light guide plate 104 sides; And be coupled to plane light guide plate 104, be disposed for detecting from being positioned on the touch interface 102 or the area light detector 103 of the invisible light of the object that is adjacent reflection; Wherein, touch interface 102 can be virtual or entity; Invisible light source 105 is infrared tubular light source or infrared spotlight; Invisible light is an infrared light; Area light detector 103 is a photosensitive layer, preferably transparent photosensitive layer, and photosensitive layer also can be photo-transistor arrays; The astigmatic face of plane light guide plate 104 is towards touch interface 102.It is that plane light guide plate 104 is different with the installation site of area light detector 103 that this touch-screen is compared with touch-screen shown in Fig. 1, and principle of work between the two is identical.This touch-screen is applicable to the special circumstances that inner mounting structure had specific demand.
With reference to Fig. 3, schematic cross section for the third embodiment of a kind of touch-screen of the utility model, this touch-screen comprises framework 101, touch interface 102, be disposed for detecting from being positioned on the touch interface 102 or the area light detector 103 and the luminophor 301 of the invisible light of the object that is adjacent reflection, wherein, touch interface 102 can be virtual or entity; Area light detector 103 is a photosensitive layer, preferably transparent photosensitive layer, and photosensitive layer also can be photo-transistor arrays; Luminophor 301 can be one of infrared scan light source, infrared spotlight, infrared tubular light source.In actual applications, luminophor 301 is installed in the inside of the electronic equipment 302 that is connected with touch-screen, the Infrared 303 that luminophor 301 is launched illuminates whole touch interface 102, when touch objects 106 during near touch interface 102, the infrared ray 303 that luminophor 301 the is launched thing 106 that can be touched reflects back, the infrared ray 304 that is reflected back can be received by photosensitive layer, the analysis of the PC system (not shown) that the received light signal process of photosensitive layer is connected with photosensitive layer, processing obtains the position of touch objects 106, and the touch objects positional information that obtains is transferred in the equipment (not shown) that is attached thereto.
With reference to Fig. 4, schematic cross section for a kind of prioritization scheme of a kind of embodiment of a kind of touch-screen of the utility model, this prioritization scheme is to Fig. 1, a kind of structural optimization embodiment illustrated in fig. 2, shown in Figure 4 is to optimization embodiment illustrated in fig. 1, in this prioritization scheme, touch interface 102 is an AG glass plate 401, layer of transparent glue-line 402 is arranged below AG glass plate 401, substratum transparent, area detector, the AG glass plate is all identical with the refractive index of display panel, certainly this is optimal state, in the practical application, substratum transparent, area detector, the refractive index of AG glass plate and display panel is close to get final product, and the difference between their refractive index generally is no more than 10%.Pass through the reflection of plane light guide plate 104 from the infrared light that infrared light supply sent, refraction back directive touch interface 102, when touch objects 106 in touching or during near touch interface 102, the Infrared 107 that infrared light supply will be launched reflects back, the Infrared 108 that the thing 106 that is touched reflects back will be received by photosensitive layer, the analysis of the PC system (not shown) that the received light signal process of photosensitive layer is connected with photosensitive layer, processing obtains the position of touch objects 106, and the touch objects positional information that obtains is transferred in the equipment (not shown) that is attached thereto.In actual applications, the AG glass in the present embodiment can not installed, and substratum transparent can be the acrylic glue-line, also can be the substratum transparent of other type.
With reference to Fig. 5, schematic cross section for a kind of prioritization scheme of the another kind of embodiment of a kind of touch-screen of the utility model, this prioritization scheme is to a kind of structural optimization embodiment illustrated in fig. 3, in this prioritization scheme, touch interface 102 is an AG glass plate 401, layer of transparent glue-line 402 is arranged below AG glass plate 401, substratum transparent, area detector, the AG glass plate is all identical with the refractive index of display panel, certainly this is optimal state, in the practical application, substratum transparent, area detector, the refractive index of AG glass plate and display panel is close to get final product, and the difference between their refractive index generally is no more than 10%.When touch objects 106 in touching or during near touch interface 102, the Infrared 303 that luminophor 301 is launched will be reflected back, the Infrared 304 that the thing 106 that is touched reflects back will be received by photosensitive layer, the received light signal of photosensitive layer passes through the analysis of the PC system (not shown) that is connected with photosensitive layer, the position that processing obtains touch objects 106, and the touch objects positional information that obtains is transferred in the equipment (not shown) that is attached thereto.In actual applications, the AG glass in the present embodiment can not installed, and substratum transparent can be the acrylic glue-line, also can be the substratum transparent of other type.
Method described in the utility model is not limited to the embodiment described in the embodiment, and those skilled in the art draw other embodiment according to the technical solution of the utility model, belong to technological innovation scope of the present utility model equally.
Claims (35)
1. touch-screen, comprise framework, touch interface, it is characterized in that described touch-screen also comprises: be coupled to described touch interface, be disposed for detecting from being positioned on the described touch interface or the area light detector of the invisible light of the object that is adjacent reflection; Be coupled to the plane light guide plate of described area light detector; And the invisible light source that is arranged at light guide plate side, described plane.
2. a kind of touch-screen according to claim 1 is characterized in that: the astigmatic face of described plane light guide plate is towards described touch interface.
3. a kind of touch-screen according to claim 2 is characterized in that: described invisible light source is infrared tubular light source or infrared spotlight.
4. according to the described a kind of touch-screen of one of claim 1 to 3, it is characterized in that: described area light detector is a photosensitive layer.
5. a kind of touch-screen according to claim 4 is characterized in that: described photosensitive layer is a photo-transistor arrays.
6. a kind of touch-screen according to claim 4 is characterized in that: described touch interface is that substratum transparent and described substratum transparent are identical with the refractive index of described photosensitive layer.
7. a kind of touch-screen according to claim 4 is characterized in that: described touch interface is the AG glass plate, has below the described AG glass plate layer of transparent glue-line and described AG glass plate identical with the refractive index of described substratum transparent and described photosensitive layer.
8. a kind of touch-screen according to claim 6 is characterized in that: described substratum transparent is the acrylic glue-line.
9. a kind of touch-screen according to claim 4 is characterized in that: described touch interface is that the difference between the refractive index of substratum transparent and described substratum transparent and described photosensitive layer is no more than 10%.
10. a kind of touch-screen according to claim 4, it is characterized in that: described touch interface is the AG glass plate, has below the described AG glass plate difference between the refractive index of layer of transparent glue-line and described AG glass plate and described substratum transparent and described photosensitive layer to be no more than 10%.
11. a touch-screen comprises framework, touch interface, it is characterized in that, described touch-screen also comprises: the plane light guide plate that is coupled to described touch interface; Be arranged at the invisible light source of light guide plate side, described plane; And be coupled to described touch interface, be disposed for detecting from being positioned on the described touch interface or the area light detector of the invisible light of the object that is adjacent reflection.
12. a kind of touch-screen according to claim 11 is characterized in that: the astigmatic face of described plane light guide plate is towards described touch interface.
13. a kind of touch-screen according to claim 12 is characterized in that: described invisible light source is infrared tubular light source or infrared spotlight.
14. according to the described a kind of touch-screen of one of claim 11 to 13, it is characterized in that: described area light detector is a photosensitive layer.
15. a kind of touch-screen according to claim 14 is characterized in that: described photosensitive layer is a photo-transistor arrays.
16. a kind of touch-screen according to claim 14 is characterized in that: described touch interface is that substratum transparent and described substratum transparent are identical with the refractive index of described photosensitive layer.
17. a kind of touch-screen according to claim 14 is characterized in that: described touch interface is the AG glass plate, has below the described AG glass plate layer of transparent glue-line and described AG glass plate identical with the refractive index of described substratum transparent and described photosensitive layer.
18. a kind of touch-screen according to claim 16 is characterized in that: described substratum transparent is the acrylic glue-line.
19. a kind of touch-screen according to claim 14 is characterized in that: described touch interface is that the difference between the refractive index of substratum transparent and described substratum transparent and described photosensitive layer is no more than 10%.
20. a kind of touch-screen according to claim 14, it is characterized in that: described touch interface is the AG glass plate, has below the described AG glass plate difference between the refractive index of layer of transparent glue-line and described AG glass plate and described substratum transparent and described photosensitive layer to be no more than 10%.
21. a touch-screen is characterized in that, comprising:
A. framework;
B. touch interface, described touch interface are virtual or entity;
C. be disposed for detecting from being positioned on the described touch interface or the area light detector of the invisible light of the object that is adjacent reflection; And
D. luminophor.
22. a kind of touch-screen according to claim 21 is characterized in that: described area light detector is installed on the described framework and is positioned at the below of described touch interface.
23. a kind of touch-screen according to claim 22, it is characterized in that: described luminophor is made up of invisible light source and plane light guide plate, and the side of described plane light guide plate is provided with the below that invisible light source and described plane light guide plate are arranged at described area light detector.
24. a kind of touch-screen according to claim 22, it is characterized in that: described luminophor is made up of invisible light source and plane light guide plate, and the side of described plane light guide plate is provided with the top that invisible light source and described plane light guide plate are arranged at described area light detector.
25. a kind of touch-screen according to claim 22 is characterized in that: described luminophor is arranged at the below of described area light detector.
26. a kind of touch-screen according to claim 25 is characterized in that: described luminophor is one of infrared scan light source, infrared spotlight, infrared tubular light source.
27. according to the described a kind of touch-screen of one of claim 21 to 26, it is characterized in that: described area light detector is a photosensitive layer.
28. a kind of touch-screen according to claim 27 is characterized in that: described photosensitive layer is a photo-transistor arrays.
29. a kind of touch-screen according to claim 27 is characterized in that: described touch interface is that substratum transparent and described substratum transparent are identical with the refractive index of described photosensitive layer.
30. a kind of touch-screen according to claim 27 is characterized in that: described touch interface is the AG glass plate, has below the described AG glass plate layer of transparent glue-line and described AG glass plate identical with the refractive index of described substratum transparent and described photosensitive layer.
31. a kind of touch-screen according to claim 29 is characterized in that: described substratum transparent is the acrylic glue-line.
32. a kind of touch-screen according to claim 27 is characterized in that: described touch interface is that the difference between the refractive index of substratum transparent and described substratum transparent and described photosensitive layer is no more than 10%.
33. a kind of touch-screen according to claim 27, it is characterized in that: described touch interface is the AG glass plate, has below the described AG glass plate difference between the refractive index of layer of transparent glue-line and described AG glass plate and described substratum transparent and described photosensitive layer to be no more than 10%.
34. according to claim 23 or 24 described a kind of touch-screens, it is characterized in that: described invisible light source is infrared tubular light source or infrared spotlight.
35. according to claim 23 or 24 described a kind of touch-screens, it is characterized in that: the astigmatic face of described plane light guide plate is towards described touch interface.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN2009201640067U CN201535901U (en) | 2009-07-03 | 2009-07-14 | Touch screen |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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CN200920109707.0 | 2009-07-03 | ||
CN2009201640067U CN201535901U (en) | 2009-07-03 | 2009-07-14 | Touch screen |
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CN201535901U true CN201535901U (en) | 2010-07-28 |
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CN2009201640067U Expired - Fee Related CN201535901U (en) | 2009-07-03 | 2009-07-14 | Touch screen |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2011000328A1 (en) * | 2009-07-03 | 2011-01-06 | 北京汇冠新技术股份有限公司 | Interactive display device |
CN103605437A (en) * | 2013-11-07 | 2014-02-26 | 广东威创视讯科技股份有限公司 | Led display screen |
CN103885651A (en) * | 2012-12-21 | 2014-06-25 | 苏州市健邦触摸屏技术有限公司 | Modified capacitive touch screen |
CN106788543A (en) * | 2017-01-12 | 2017-05-31 | 佛山职业技术学院 | A kind of radio communication device with novel touch screen |
-
2009
- 2009-07-14 CN CN2009201640067U patent/CN201535901U/en not_active Expired - Fee Related
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2011000328A1 (en) * | 2009-07-03 | 2011-01-06 | 北京汇冠新技术股份有限公司 | Interactive display device |
CN103885651A (en) * | 2012-12-21 | 2014-06-25 | 苏州市健邦触摸屏技术有限公司 | Modified capacitive touch screen |
CN103605437A (en) * | 2013-11-07 | 2014-02-26 | 广东威创视讯科技股份有限公司 | Led display screen |
CN103605437B (en) * | 2013-11-07 | 2017-04-12 | 广东威创视讯科技股份有限公司 | Led display screen |
CN106788543A (en) * | 2017-01-12 | 2017-05-31 | 佛山职业技术学院 | A kind of radio communication device with novel touch screen |
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