CN103365484A - Optical touch control device - Google Patents
Optical touch control device Download PDFInfo
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- CN103365484A CN103365484A CN2012101037184A CN201210103718A CN103365484A CN 103365484 A CN103365484 A CN 103365484A CN 2012101037184 A CN2012101037184 A CN 2012101037184A CN 201210103718 A CN201210103718 A CN 201210103718A CN 103365484 A CN103365484 A CN 103365484A
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- control device
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Abstract
The invention discloses an optical touch control device which comprises a base, a light source and a light sensing element, wherein the base is provided with a bottom wall, a plurality of side walls and at least one bearing part; the side walls are connected with the bottom wall; an accommodating space is formed between the side walls and the bottom wall; the bearing part is at least connected with one of the side walls, and extends out of the side wall in a direction far away from the accommodating space; the light source is arranged on the bearing part; and the light sensing element is arranged on the bearing part. According to the optical touch control device, the base is provided with the bearing part for bearing elements of an optical touch control module, such as the light source and the light sensing element, so that positioning of the light source, the light sensing element or other elements of the optical touch control module is facilitated, and the assembly efficiency of the optical touch control device is improved.
Description
Technical field
The invention relates to a kind of contactor control device, and particularly relevant for a kind of optical touch-control device.
Background technology
Contactor control device has the advantage of processing ease, thus be widely used in recent years multiple electronic product, such as mobile phone, digital camera, music player, flat computer, Satellite Navigation Set, Touch Screen etc.Common contactor control device has resistance type touch control device, capacitive touch device and optical touch-control device etc. at present, and wherein optical touch-control device is because having the better and lower-cost advantage of durability, so more and more come into one's own.
Fig. 1 is the structural representation of existing a kind of optical touch-control device.Please refer to Fig. 1, existing optical touch-control device 100 comprises display panel 110, glass substrate 120, optical touch module 130 and pedestal 140.Display panel 110 is arranged in the accommodation space 142 of pedestal 140, and glass substrate 120 is fixed on the display panel 110, and optical touch module 130 is fixed on the glass substrate 120.
Prior art is that each element (such as Photosensing Units, light source etc.) with optical touch module 130 directly is fixed on the glass substrate 120.Yet the glass substrate 120 that is arranged on the display panel 110 can reduce the light transmittance of display panel 110 or produce the phenomenons such as reflective.
Summary of the invention
The invention provides a kind of optical touch-control device, to carry the element of the optical touch modules such as light source and Photosensing Units by pedestal.
The present invention proposes a kind of optical touch-control device, comprises pedestal, light source and Photosensing Units; Described pedestal has diapire, a plurality of sidewall and at least one supporting part, described sidewall is connected in described diapire, form an accommodation space between described a plurality of sidewall and the described diapire, described supporting part is connected with one of them of described a plurality of sidewalls at least and extends with the direction away from described accommodation space from described sidewall; Described light source is configured on the described supporting part; Described Photosensing Units is configured on the described supporting part.
In one embodiment of the invention, described supporting part comprise the first wall of connecting with described sidewall, second wall relative with described the first wall and be connected in described the first wall and described the second wall between the 3rd wall, form accepting groove between described the first wall, described the second wall and described the 3rd wall.
In one embodiment of the invention, described optical touch-control device more comprises the light-strip that is configured in the described accepting groove, described light-strip has adjacent incidence surface and exiting surface, and described exiting surface is towards described accommodation space, and described light source is configured in by the described incidence surface.
In one embodiment of the invention, described optical touch-control device more comprises the optical filtering part, and described optical filtering part is configured on the described exiting surface of described light-strip.
In one embodiment of the invention, described optical touch-control device more comprises the optical filtering part, and described optical filtering part covers described the second wall and hides the described exiting surface of described light-strip.
In one embodiment of the invention, described optical touch-control device more comprises reflecting strips, and described reflecting strips is configured in the described accepting groove, and described reflecting strips has the reflective surface towards described accommodation space.
In one embodiment of the invention, described optical touch-control device more comprises the optical filtering part, and described optical filtering part is configured on the described reflective surface.
In one embodiment of the invention, described optical touch-control device more comprises the optical filtering part, and described optical filtering part covers described the second wall and hides described reflective surface.
In one embodiment of the invention, described optical touch-control device more comprises the reflection horizon, and described reflection horizon is configured in described the first wall, described the second wall and described the 3rd wall on the surface of described accepting groove.
In one embodiment of the invention, described supporting part is a flat board.
In one embodiment of the invention, described optical touch-control device more comprises the reflecting piece that is configured on the described flat board, described reflecting piece comprises the wall that is configured on the described flat board, five wall relative with described wall and the 6th wall that connects described wall and described the 5th wall, forms accepting groove between described wall, described the 5th wall and described the 6th wall.
In one embodiment of the invention, described optical touch-control device more comprises the light-strip that is configured in the described accepting groove, described light-strip has adjacent incidence surface and exiting surface, and described exiting surface is towards described accommodation space, and described light source is configured in by the described incidence surface.
In one embodiment of the invention, described optical touch-control device more comprises the optical filtering part, and described optical filtering part is configured in the described exiting surface of described light-strip.
In one embodiment of the invention, described optical touch-control device more comprises the optical filtering part, and described optical filtering part covers described the 5th wall and hides the described exiting surface of described light-strip.
In one embodiment of the invention, described pedestal is stamped to form by a sheet metal.
In one embodiment of the invention, described optical touch-control device more comprises the display panel that is configured in the described accommodation space.
In one embodiment of the invention, described optical touch-control device more comprises the reflection horizon, and described reflection horizon is configured in described diapire and described side wall surface on the surface of described accommodation space.
In optical touch-control device of the present invention, because pedestal has supporting part with the element of the optical touch-control modules such as carrying light source, Photosensing Units, this helps the location of other element of light source, Photosensing Units or optical touch-control module, and then the packaging efficiency of improving optical formula contactor control device.
For above and other objects of the present invention, feature and advantage can be become apparent, preferred embodiment cited below particularly, and cooperate appended graphicly, be described in detail below.
Description of drawings
Fig. 1 is the structural representation of existing a kind of optical touch-control device.
Fig. 2 is the schematic top plan view of the optical touch-control device of first embodiment of the invention.
Fig. 3 is the diagrammatic cross-section along the A-A line of Fig. 2.
Fig. 4 is the partial cutaway schematic of the optical touch-control device of second embodiment of the invention.
Fig. 5 is the schematic top plan view of the optical touch-control device of third embodiment of the invention.
Fig. 6 is the partial cutaway schematic of the optical touch-control device of fourth embodiment of the invention.
Embodiment
Fig. 2 is the schematic top plan view of the optical touch-control device of first embodiment of the invention, and Fig. 3 is the diagrammatic cross-section along the A-A line of Fig. 2.Please refer to Fig. 2 and Fig. 3, the optical touch-control device 200 of present embodiment comprises light source 210, Photosensing Units 220 and pedestal 300.Pedestal 300 has diapire 310, a plurality of sidewall 320 and at least one supporting part 330, and sidewall 320 is connected with diapire 310, forms accommodation space 340 between sidewall 320 and the diapire 310.One of them of supporting part 330 and these sidewalls 320 be connected and from this sidewall 320 to extend away from the direction of accommodation space 340.It also can be a plurality of that the quantity of supporting part 330 can only be one.When the quantity of supporting part 330 when being a plurality of, these supporting parts 330 are connected with sidewall 320, and a sidewall 320 can only link to each other with a supporting part 330, also can link to each other with a plurality of supporting parts 330.Optical touch-control device 200 also can comprise the sheet material 260 that is configured in the accommodation space 340.Sheet material 260 can be display panel, glass substrate or plastic base etc., and the user can control on the surface of sheet material 260.
Above-mentioned light source 210 is configured on above-mentioned at least one supporting part 330 with Photosensing Units 220.In more detail, light source 210 and Photosensing Units 220 are configurable on same supporting part 330 or be configured in respectively in the different bearer section 330.Light source 210 or Photosensing Units 220 also can by two adjacent supporting parts 330 respectively the carrying.In the present embodiment, the quantity of light source 210 and Photosensing Units 220 be respectively take two as example, but the present invention does not limit the quantity of light source 210 and Photosensing Units 220.In other embodiments, the quantity of light source 210 and Photosensing Units 220 can be respectively one or more than two, and the quantity of light source 210 and Photosensing Units 220 can be not identical.
Preferably, supporting part 330 comprise the first wall 331 of being connected in corresponding sidewall 320, second wall 332 relative with the first wall 331 and be connected in the first wall 331 and the second wall 332 between the 3rd wall 333, and form accepting groove 334 between the first wall 331, the second wall 332 and the 3rd wall 333, and light source 210 is with in Photosensing Units 220 is configured in respectively corresponding accepting groove 334.In addition, the pedestal 300 of present embodiment can be stamped to form by the piece of metal plate, but the present invention does not limit material and the production method of pedestal 300.
Preferably, optical touch-control device 200 more comprises the light-strip 230 that is configured in the accepting groove 334.Light-strip 230 has adjacent incidence surface 231 and exiting surface 232, and exiting surface 232 is towards accommodation space 340, and light source 210 is configured in incidence surface 231 sides.The quantity of light-strip 230 is decided by demand, is take three light-strips 230 as example in the present embodiment, and forms sense territory, lateral areas 350 between these three light-strips 230.Light source 210 is in order to providing light, and light enters in the light-strip 230 via incidence surface 231, and by exiting surface 232 outgoing to enter in the sense territory, lateral areas 350.Light source 210 can be light emitting diode, laser diode or other suitable light source.Preferably, the light that light source 210 provides is infrared light, but not as limit.In addition, Photosensing Units 220 is in order to light sensing, Photosensing Units 220 can be CMOS (Complementary Metal Oxide Semiconductor) Image Sensor (Complementary Metal Oxide Semiconductor Image Sensor, CMOS Image Sensor), the Photosensing Units of charge coupled cell (Charge Coupled Device, CCD) or other kind.Touch-control sensing principle relevant for optical touch-control device 200 is the common knowledge of affiliated technical field, will not describe in detail at this.
In order to promote the sensing effect, optical touch-control device 200 can more comprise optical filtering part 240, and optical filtering part 240 is configured on the exiting surface 232 of light-strip 230.The light that optical filtering part 240 can make light source 210 provide passes through, and other light of filtering.In more detail, be among the embodiment of infrared light at the light that light source 210 provides, optical filtering part 240 can make infrared light pass through, and the light beyond the filtering infrared light.In addition, in order to promote the light utilization ratio, optical touch-control device 200 can more comprise reflection horizon 250, and it is configured in the first wall 331, the second wall 332 and the 3rd wall 333 on the surface of accepting groove 334.The diapire 310 of pedestal 300 and sidewall 320 towards the surface of accommodation space 340 also visual demand select whether to dispose reflection horizon 270.
In the optical touch-control device 200 of present embodiment, because pedestal 300 has supporting part 330 with the element of the optical touch-control modules such as carrying light source 210, Photosensing Units 220, light-strip 230 and optical filtering part 240, so the element of these optical touch-control modules need not be configured on the sheet material 260.Be among the embodiment of display panel at sheet material 260, because the element of these optical touch-control modules need not be configured on the sheet material 260, so do not need between optical touch-control module and display panel glass substrate to be set, the light transmittance of energy improving optical formula contactor control device 200 like this also avoids glass substrate to cause the phenomenons such as reflective.
It should be noted that the element of optical touch-control module is not limited to above-mentioned light source 210, Photosensing Units 220, light-strip 230 and optical filtering part 240 etc.In other embodiments, the elements such as light-strip 230 replaceable one-tenth reflecting strips or level crossing (mirror).In addition, the structure of all supporting parts 330 that the present invention does not limit pedestal 300 is all identical, in one embodiment, can only have at least one supporting part 330 to comprise above-mentioned the first wall 331, the second wall 332 and the 3rd wall 333.
Fig. 4 is the partial cutaway schematic of the optical touch-control device of second embodiment of the invention.Please refer to Fig. 4, the optical touch-control device 200a of present embodiment is similar to above-mentioned optical touch-control device 200, and difference is in the structure of optical filtering part.Particularly, the optical filtering part 240a of optical touch-control device 200a covers the second wall 332 of supporting part 330 and hides the exiting surface 232 of light-strip 230.This optical filtering part 240a also can be used as the appearance member of optical touch-control device 200a except the function that optical filtering is provided, so do not need to cover the second wall 332 with other appearance member in addition.
Fig. 5 is the schematic top plan view of the optical touch-control device of third embodiment of the invention.Please refer to Fig. 5, the optical touch-control device 200b of present embodiment is similar to above-mentioned optical touch-control device 200, and it is the light-strip 230 that replaces optical touch-control device 200 with reflecting strips 280 that difference is in optical touch-control device 200b.Reflecting strips 280 has the reflective surface 282 towards accommodation space 340.Optical filtering part 240 is configured on the reflective surface 282 of reflecting strips 280.In addition, light source 210 can be overlapped on Photosensing Units 220.In addition, optical filtering part 240 is replaceable one-tenth optical filtering part 240a shown in Figure 4 also, to cover the second wall 332 of supporting part 330 by optical filtering part 240a and to hide the reflective surface 282 of reflecting strips 280.
Fig. 6 is the partial cutaway schematic of the optical touch-control device of fourth embodiment of the invention.Please refer to Fig. 6, the optical touch-control device 200c of present embodiment is similar to above-mentioned optical touch-control device 200, and difference is in the supporting part in pedestal.In optical touch-control device 200c, the supporting part 330c of pedestal 300c is dull and stereotyped.In addition, optical touch-control device 200c can more comprise reflecting piece 290.Reflecting piece 290 is configured on the supporting part 330c.Reflecting piece 290 comprises the wall 291 that is configured on the supporting part 330c, five wall 292 relative with wall 291 and is connected in wall 291 and the 6th wall 293 of the 5th wall 292, and forms accepting groove 294 between wall 291, the 5th wall 292 and the 6th wall 293.Light-strip 230 is configured in the accepting groove 294.Optical filtering part 240 is configured on the exiting surface 232 of light-strip 230.In addition, also can replace with the optical filtering part 240a of Fig. 4 the optical filtering part 240 among Fig. 6, to cover the 5th wall 292 by optical filtering part 240a and to hide the exiting surface 232 of light-strip 230.In addition, the light-strip 230 of Fig. 6 is also replaceable to be reflecting strips, and the diapire 310 of pedestal 300c and sidewall 320 towards the surface of accommodation space 340 also configurable reflection horizon.
In optical touch-control device of the present invention, because pedestal has supporting part with the element of the optical touch-control modules such as carrying light source, Photosensing Units, this helps the location of other element of light source, Photosensing Units or optical touch-control module, and then the packaging efficiency of improving optical formula contactor control device.In addition, comprise among the embodiment of display panel at optical touch-control device, owing to do not need at display panel the element that glass substrate comes the bearing optical touch-control module to be set, so can avoid reducing light transmittance or causing the phenomenons such as reflective.
The above, only be embodiments of the invention, be not that the present invention is done any pro forma restriction, although the present invention discloses as above with embodiment, yet be not to limit the present invention, any those skilled in the art, within not breaking away from the technical solution of the present invention scope, when the technology contents that can utilize above-mentioned announcement is made a little change or is modified to the equivalent embodiment of equivalent variations, in every case be not break away from the technical solution of the present invention content, any simple modification that foundation technical spirit of the present invention is done above embodiment, equivalent variations and modification all still belong in the scope of technical solution of the present invention.
Claims (17)
1. optical touch-control device, it is characterized in that: described optical touch-control device comprises pedestal, light source and Photosensing Units; Described pedestal has diapire, a plurality of sidewall and at least one supporting part, described sidewall is connected in described diapire, form an accommodation space between described a plurality of sidewall and the described diapire, described supporting part is connected with one of them of described a plurality of sidewalls at least and extends with the direction away from described accommodation space from described sidewall; Described light source is configured on the described supporting part; Described Photosensing Units is configured on the described supporting part.
2. optical touch-control device as claimed in claim 1, it is characterized in that: described supporting part comprise the first wall of connecting with described sidewall, second wall relative with described the first wall and be connected in described the first wall and described the second wall between the 3rd wall, form accepting groove between described the first wall, described the second wall and described the 3rd wall.
3. optical touch-control device as claimed in claim 2, it is characterized in that: described optical touch-control device more comprises the light-strip that is configured in the described accepting groove, described light-strip has adjacent incidence surface and exiting surface, described exiting surface is towards described accommodation space, and described light source is configured in by the described incidence surface.
4. optical touch-control device as claimed in claim 3, it is characterized in that: described optical touch-control device more comprises the optical filtering part, described optical filtering part is configured on the described exiting surface of described light-strip.
5. optical touch-control device as claimed in claim 3, it is characterized in that: described optical touch-control device more comprises the optical filtering part, described optical filtering part covers described the second wall and hides the described exiting surface of described light-strip.
6. optical touch-control device as claimed in claim 2, it is characterized in that: described optical touch-control device more comprises reflecting strips, and described reflecting strips is configured in the described accepting groove, and described reflecting strips has the reflective surface towards described accommodation space.
7. optical touch-control device as claimed in claim 6, it is characterized in that: described optical touch-control device more comprises the optical filtering part, described optical filtering part is configured on the described reflective surface.
8. optical touch-control device as claimed in claim 6, it is characterized in that: described optical touch-control device more comprises the optical filtering part, described optical filtering part covers described the second wall and hides described reflective surface.
9. optical touch-control device as claimed in claim 2, it is characterized in that: described optical touch-control device more comprises the reflection horizon, described reflection horizon is configured in described the first wall, described the second wall and described the 3rd wall on the surface of described accepting groove.
10. optical touch-control device as claimed in claim 1, it is characterized in that: described supporting part is a flat board.
11. optical touch-control device as claimed in claim 10, it is characterized in that: described optical touch-control device more comprises the reflecting piece that is configured on the described flat board, described reflecting piece comprises the wall that is configured on the described flat board, five wall relative with described wall and the 6th wall that connects described wall and described the 5th wall, forms accepting groove between described wall, described the 5th wall and described the 6th wall.
12. optical touch-control device as claimed in claim 11, it is characterized in that: described optical touch-control device more comprises the light-strip that is configured in the described accepting groove, described light-strip has adjacent incidence surface and exiting surface, described exiting surface is towards described accommodation space, and described light source is configured in by the described incidence surface.
13. optical touch-control device as claimed in claim 12 is characterized in that: described optical touch-control device more comprises the optical filtering part, and described optical filtering part is configured in the described exiting surface of described light-strip.
14. optical touch-control device as claimed in claim 12 is characterized in that: described optical touch-control device more comprises the optical filtering part, and described optical filtering part covers described the 5th wall and hides the described exiting surface of described light-strip.
15. optical touch-control device as claimed in claim 1 is characterized in that: described pedestal is stamped to form by a sheet metal.
16. claim the 1st described optical touch-control device is characterized in that: described optical touch-control device more comprises the display panel that is configured in the described accommodation space.
17. claim the 1st described optical touch-control device, it is characterized in that: described optical touch-control device more comprises the reflection horizon, and described reflection horizon is configured in described diapire and described side wall surface on the surface of described accommodation space.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101037184A CN103365484A (en) | 2012-04-10 | 2012-04-10 | Optical touch control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101037184A CN103365484A (en) | 2012-04-10 | 2012-04-10 | Optical touch control device |
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| CN103365484A true CN103365484A (en) | 2013-10-23 |
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| CN2012101037184A Pending CN103365484A (en) | 2012-04-10 | 2012-04-10 | Optical touch control device |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWM371272U (en) * | 2009-04-01 | 2009-12-21 | Pixart Imaging Inc | Optical touch control module |
| TW201113774A (en) * | 2009-10-07 | 2011-04-16 | Radiant Opto Electronics Corp | Backlight module and optical touch panel |
| US20110267314A1 (en) * | 2010-05-03 | 2011-11-03 | Sonix Technology Co., Ltd. | Optical touch-sensing display module |
| TWM419986U (en) * | 2011-06-22 | 2012-01-01 | Pixart Imaging Inc | Light guide assembly and optical touch module using the same |
| TWM420769U (en) * | 2011-08-19 | 2012-01-11 | Cheng Uei Prec Ind Co Ltd | Optical touch device |
| TWM423308U (en) * | 2011-07-20 | 2012-02-21 | Sonix Technology Co Ltd | Optical touch display module |
-
2012
- 2012-04-10 CN CN2012101037184A patent/CN103365484A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWM371272U (en) * | 2009-04-01 | 2009-12-21 | Pixart Imaging Inc | Optical touch control module |
| TW201113774A (en) * | 2009-10-07 | 2011-04-16 | Radiant Opto Electronics Corp | Backlight module and optical touch panel |
| US20110267314A1 (en) * | 2010-05-03 | 2011-11-03 | Sonix Technology Co., Ltd. | Optical touch-sensing display module |
| TWM419986U (en) * | 2011-06-22 | 2012-01-01 | Pixart Imaging Inc | Light guide assembly and optical touch module using the same |
| TWM423308U (en) * | 2011-07-20 | 2012-02-21 | Sonix Technology Co Ltd | Optical touch display module |
| TWM420769U (en) * | 2011-08-19 | 2012-01-11 | Cheng Uei Prec Ind Co Ltd | Optical touch device |
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Application publication date: 20131023 |