CN102253515A - Optical touch display device and optical operation device - Google Patents
Optical touch display device and optical operation device Download PDFInfo
- Publication number
- CN102253515A CN102253515A CN2010102901466A CN201010290146A CN102253515A CN 102253515 A CN102253515 A CN 102253515A CN 2010102901466 A CN2010102901466 A CN 2010102901466A CN 201010290146 A CN201010290146 A CN 201010290146A CN 102253515 A CN102253515 A CN 102253515A
- Authority
- CN
- China
- Prior art keywords
- light
- light source
- module backlight
- sides
- backlight
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Landscapes
- Position Input By Displaying (AREA)
- Liquid Crystal (AREA)
Abstract
The invention discloses an optical touch display device and an optical operation device. The optical touch display device comprises a transparent display panel, a visible light source, an invisible light source, a backlight module, an image sensing device and a processing circuit, wherein the transparent display panel is provided with a first surface and a second surface which are opposite to each other, and the first surface is provided with a display area; the backlight module is configured on the second surface, and used for guiding the visible light and the invisible light entering the backlight module to the second surface; and the image sensing device is used for sensing an image above the display area. When an indicant is arranged in the display area and reflects the invisible light passing through the display area, so that when the image sensing device can sense the invisible light reflected by the indicant, the processing circuit calculates the position of the indicant relative to the display area by using the image sensed by the image sensing device.
Description
Technical field
The invention relates to a kind of touch control display apparatus, and particularly relevant for a kind of optical touch control display device.
Background technology
Touch control display apparatus has the advantage of processing ease, so touch control display apparatus has been widely used in multiple electronic product in recent years, as mobile phone, personal digital assistant (personal digital assistant, PDA), digital camera, music player, computer, Satellite Navigation Set etc.
Touch control display apparatus can be divided into multiple according to its sensing principle, as resistance-type, condenser type or optical profile type etc.And existing optical touch control display device is to add the frame of being made by reflectorized material, luminescent material or optical material around its viewing area, so that utilize this frame to send bias light, and then judge the position of this indicant with respect to the hidden position of bias light with respect to the viewing area according to indicant.
Yet existing optical touch control display device but may cause judging by accident the problem of Referent position because of mechanism's flatness of frame or bending.
Summary of the invention
A wherein purpose of the present invention is to be to provide a kind of optical touch control display device.
Another object of the present invention is to be to provide a kind of optical manipulation device.
For reaching above-mentioned purpose, the present invention proposes a kind of optical touch control display device, and it includes: a Nonopaque type display panel, have first with second, wherein first with second face reverse side each other, and first mask has the viewing area; One module backlight is disposed at above-mentioned second; One visible light source to module backlight, leads above-mentioned second so that module backlight will enter its inner visible light in order to visible emitting; One invisible light light source to module backlight, leads above-mentioned second so that module backlight will enter its inner invisible light in order to the emission invisible light; One Image sensor apparatus is in order to the image of top, sensing viewing area; An and treatment circuit.Be in the viewing area and the invisible light of viewing area is passed in reflection as an indicant, make when Image sensor apparatus can sense the invisible light that indicant reflects that treatment circuit is convenient to calculate the position of indicant with respect to the viewing area with the image that Image sensor apparatus sensed.
In an embodiment of optical touch control display device of the present invention, above-mentioned module backlight has four sides, and above-mentioned visible light source and invisible light light source are arranged on the same side in above-mentioned four sides, or be separately positioned on wherein two sides of above-mentioned four sides, and in four sides of module backlight, towards the side of visible light source be all transparent surface towards the side of invisible light light source, remaining other sides then are non-transparent surface or reflective surface.
In an embodiment of optical touch control display device of the present invention, the inside of above-mentioned Nonopaque type display panel has liquid crystal layer, and the inside of module backlight has reflecting part.Described reflecting part extend to module backlight not towards the side of visible light source and invisible light light source, so that these sides form non-transparent surface.
In an embodiment of optical touch control display device of the present invention, in the above-mentioned reflecting part, has pattern with second of the Nonopaque type display panel relative part, and this pattern in order to the photoconduction that will receive to above-mentioned second, and then allow visible light and penetrable this Nonopaque type display panel of invisible light and inner liquid crystal layer and the viewing area thereof that enters module internal backlight.
For reaching above-mentioned purpose, the present invention proposes a kind of optical manipulation device, and it includes: a light-passing board, have first with second, and first with second face reverse side each other; One module backlight is disposed at above-mentioned second; One first light source is in order to provide first light to module backlight, so that module backlight will enter second that first light of its inside leads above-mentioned; One Image sensor apparatus is in order to the image of this first top of sensing, to produce sensing document; And
One treatment circuit is in order to produce the object information according to above-mentioned sensing document.
In an embodiment of optical manipulation device of the present invention, first light that above-mentioned first light source is provided is non-visible light, and the first above-mentioned light source comprises an infrared light sources.
In an embodiment of optical manipulation device of the present invention, above-mentioned optical manipulation device more includes secondary light source.This secondary light source is in order to provide second light to module backlight, so that module backlight will enter second that second light of its inside leads above-mentioned.Wherein said second light is a visible light.
In an embodiment of optical manipulation device of the present invention, have more liquid crystal layer in the above-mentioned light-passing board.
In an embodiment of optical manipulation device of the present invention, above-mentioned sensing document is complete image or Luminance Distribution information.
In an embodiment of optical manipulation device of the present invention, above-mentioned module backlight has four sides, and first light source is arranged at one of them side of these four sides, and in four sides of module backlight, towards the side of first light source is transparent surface, and remaining other sides then are non-transparent surface or reflective surface.
In an embodiment of optical manipulation device of the present invention, the inside of above-mentioned module backlight has light element.This light element is in order to above-mentioned second of first light guiding that will enter module backlight.
Optical touch control display device proposed by the invention is to add invisible light light source, Image sensor apparatus and treatment circuit in existing Nonopaque type display device, and the invisible light that utilizes the module backlight in the existing Nonopaque type display device that the invisible light light source the is launched face that connects of this Nonopaque type display panel and module backlight that leads, and then allow invisible light penetrable this Nonopaque type display panel and viewing area thereof.Thus, be in the viewing area and the invisible light of viewing area is passed in reflection as an indicant, make when Image sensor apparatus in order to top, sensing viewing area image can sense the invisible light that indicant reflects, just can further utilize treatment circuit to calculate the position of indicant with respect to the viewing area according to image that Image sensor apparatus sensed.
And optical manipulation device proposed by the invention is made up of light-passing board, module backlight, light source, Image sensor apparatus and treatment circuit.Described light-passing board have first with second, and first with second face reverse side each other.Described module backlight is disposed at above-mentioned second.Light source leads above-mentioned second in order to provide light to module backlight so that module backlight will enter its inner light.And Image sensor apparatus is in order to the image of above-mentioned first top of sensing, to produce sensing document.As for treatment circuit, it produces the object information in order to the foundation sensing document.
For above-mentioned and other purposes, feature and advantage of the present invention can be become apparent, preferred embodiment cited below particularly, and conjunction with figs. are described in detail below.
Description of drawings
Fig. 1 is the schematic perspective view according to the optical touch control display device of one embodiment of the invention.
Fig. 2 is the running synoptic diagram of the module backlight of Fig. 1.
Fig. 3 is the schematic perspective view according to the optical touch control display device of another embodiment of the present invention.
Fig. 4 is the running synoptic diagram of the module backlight of Fig. 3.
Fig. 5 is the schematic perspective view according to the optical manipulation device of one embodiment of the invention.
[main element symbol description]
100,300: optical touch control display device 102: the Nonopaque type display panel
102-1,502-1: first 102-2,502-2: second
102-3: viewing area 102-A: liquid crystal layer
104,304,504: module 104-2 backlight, 304-2: reflecting part
106: visible light source 108: the invisible light light source
110,510: Image sensor apparatus 112,512: treatment circuit
120: indicant 500: the optical manipulation device
502: light-passing board 506,508: light source
Embodiment
First embodiment:
Fig. 1 is the schematic perspective view according to the optical touch control display device of one embodiment of the invention.Please refer to Fig. 1, this optical touch control display device 100 includes Nonopaque type display panel 102, module backlight 104, visible light source 106, invisible light light source 108, Image sensor apparatus 110 and treatment circuit 112.Nonopaque type display panel 102 has first 102-1 and second 102-2, and first 102-1 and second 102-2 be reverse side each other, and first 102-1 has viewing area 102-3.In this example, viewing area 102-3 is shaped as a quadrilateral, is preferably rectangle.In addition, the inside of Nonopaque type display panel 102 also has a liquid crystal layer (this figure does not illustrate, detailed aftermentioned).Module 104 backlight is disposed at above-mentioned second 102-2.Image sensor apparatus 110 is arranged on the corner of viewing area 102-3, in order to the image of sensing viewing area 102-3 top.Treatment circuit 112 electric property coupling Image sensor apparatus 110 are to receive the image that Image sensor apparatus 110 is sensed.
As for visible light source 106, its in order to visible emitting to module 104 backlight, so that module backlight 104 will enter its inner visible light above-mentioned second 102-2 that lead.Invisible light light source 108 then in order to the emission invisible light to module 104 backlight, so that module backlight 104 will enter its inner invisible light above-mentioned second 102-2 that lead.In addition, in four sides of module 104 backlight, towards the side of visible light source 106 be all transparent surface towards the side of invisible light light source 108, other two sides then are non-transparent surface or reflective surface.The function mode of module 104 backlight will further utilize Fig. 2 to describe, and all to adopt non-transparent surface with described other sides be example.
Fig. 2 is the running synoptic diagram of the module backlight of Fig. 1.In Fig. 2, indicate with the identical person of sign among Fig. 1 and be expressed as same item, and indicate the liquid crystal layer that 102-A is expressed as Nonopaque type display panel 102 inside, then be expressed as the reflecting part of module backlight 104 inside as for sign 104-2.This reflecting part 104-2 extend to module 104 backlight not towards visible light source 106 two sides, so that these two sides form non-transparent surface with invisible light light source 108.In addition, in reflecting part 104-2, the part relative with second 102-2 of Nonopaque type display panel 102 has pattern, and this pattern in order to the photoconduction that will receive to second above-mentioned 102-2.As shown in Figure 2, visible light source 106 meeting visible emitting are to module 104 backlight, and invisible light light source 108 can be launched invisible lights to module 104 backlight.Be with, module 104 backlight can utilize the pattern on its inner reflecting part 104-2 will enter the visible light of module backlight 104 inside and invisible light above-mentioned second 102-2 that lead, and then allows the viewing area 102-3 that enters its inner visible light and the penetrable Nonopaque type display panel 102 of invisible light and inner liquid crystal layer 102-A thereof and surface.
Referring again to Fig. 1.Finally can penetrate Nonopaque type display panel 102 and inner liquid crystal layer 102-A and surperficial viewing area 102-3 thereof owing to enter the invisible light of module backlight 104 inside, therefore be among the 102-3 of viewing area as an indicant 120, and the invisible light of viewing area 102-3 is passed in reflection, make that the image that treatment circuit 112 just can utilize Image sensor apparatus 110 to be sensed calculated the position of indicant 120 with respect to viewing area 102-3 when Image sensor apparatus 110 can sense the invisible light that indicant 120 reflected.
Second embodiment:
By the teaching of first embodiment, even this area has and knows usually that the knowledgeable should know the visible light source 106 of optical touch control display device 100 and invisible light light source 108 pendulum and also can implement the present invention at same position.Be described further with Fig. 3.
Fig. 3 is the schematic perspective view according to the optical touch control display device of another embodiment of the present invention.In Fig. 3, indicate with the identical person of sign among Fig. 1 and be expressed as same item.Please refer to Fig. 3, the difference of this optical touch control display device 300 and aforementioned optical profile type touch control display apparatus 100 is that the visible light source 106 in the optical touch control display device 300 is that pendulum is in same position with invisible light light source 108.In addition, module 304 backlight is also different with aforesaid module backlight 104.In four sides of this module 304 backlight, only the side towards visible light source 106 and invisible light light source 108 is a transparent surface, and other three sides then are non-transparent surface or reflective surface.The function mode of module 304 backlight will further utilize Fig. 4 to describe, and all to adopt non-transparent surface with described other sides be example.
Fig. 4 is the running synoptic diagram of the module backlight of Fig. 3.In Fig. 4, indicate with the identical person of sign among Fig. 3 and be expressed as same item, and indicate the liquid crystal layer that 102-A is expressed as Nonopaque type display panel 102 inside, then be expressed as the reflecting part of module backlight 304 inside as for sign 304-2.This reflecting part 304-2 extend to module 304 backlight not towards visible light source 106 three sides, so that these three sides form non-transparent surface with invisible light light source 108.In addition, in reflecting part 304-2, the part relative with second 102-2 of Nonopaque type display panel 102 also has pattern, and this pattern in order to the photoconduction that will receive to second above-mentioned 102-2.As shown in Figure 4, visible light source 106 meeting visible emitting are to module 304 backlight, and invisible light light source 108 can be launched invisible lights to module 304 backlight.Be with, module 304 backlight can utilize the pattern on its inner reflecting part 304-2 will enter its inner visible light and invisible light above-mentioned second 102-2 that lead, and then allows the viewing area 102-3 that enters its inner visible light and the penetrable Nonopaque type display panel 102 of invisible light and inner liquid crystal layer 102-A thereof and surface.
Referring again to Fig. 3.Finally can penetrate Nonopaque type display panel 102 and inner liquid crystal layer 102-A and surperficial viewing area 102-3 thereof owing to enter the invisible light of module backlight 304 inside, therefore be among the 102-3 of viewing area as an indicant 120, and the invisible light of viewing area 102-3 is passed in reflection, make that the image that treatment circuit 112 just can utilize Image sensor apparatus 110 to be sensed calculated the position of indicant 120 with respect to viewing area 102-3 when Image sensor apparatus 110 can sense the invisible light that indicant 120 reflected.
The 3rd embodiment:
Being proposed in this embodiment, is a kind of optical manipulation device, as shown in Figure 5.Fig. 5 is the schematic perspective view according to the optical manipulation device of one embodiment of the invention.Please refer to Fig. 5, this optical manipulation device 500 mainly includes light-passing board 502, module backlight 504, light source 506, Image sensor apparatus 510 and treatment circuit 512.Described light-passing board 502 has first 502-1 and second 502-2, and first 502-1 and second 502-2 reverse side each other.Described module backlight 504 is disposed at second 502-2.Described light source 506 is in order to provide first light to module 504 backlight, so that module backlight 504 will enter second 502-2 of first light guiding of its inside.And described Image sensor apparatus 510 is in order to the image of first 502-1 top of sensing, to produce sensing document.Described sensing document can be complete image or Luminance Distribution information.So-called Luminance Distribution information is the Luminance Distribution of every capable pixel of institute's sensing image.As for described treatment circuit 512, it for example is to produce the object information that is relevant to indicant 520 in order to produce the object information according to above-mentioned sensing document.And so-called object information for example is the position of indicant 520 with respect to first 502-1.
In this example, first light that light source 506 is provided is non-visible light, and this light source 506 for example is to adopt an infrared light sources to implement.In addition, optical manipulation device 500 more can further comprise light source 508.And this light source 508 is in order to provide second light to module 504 backlight, so that module backlight 504 will enter second 502-2 of second light guiding of its inside, wherein said second light is visible light.
Because module 504 backlight has four sides, therefore light source 506 and 508 can be wherein two sides that are arranged at these four sides respectively, it also can be the same side that all is arranged in these four sides, as long as in four sides of module 504 backlight, side towards light source 506 and 508 is all transparent surface, and remaining other sides then are that non-transparent surface or reflective surface get final product.
In addition, light element (not illustrating) can further be adopted in the inside of module 504 backlight, so that utilize this light element will enter first light and second 502-2 of second light guiding of module 504 backlight.Further, also can have liquid crystal layer (not illustrating) in the light-passing board 502.
In sum, optical touch control display device proposed by the invention is to add invisible light light source, Image sensor apparatus and treatment circuit in existing Nonopaque type display device, and utilize the invisible light guiding Nonopaque type display panel that the module backlight in the existing Nonopaque type display device launched the invisible light light source and the face that connects of module backlight, and then allow penetrable Nonopaque type display panel of invisible light and viewing area thereof.Thus, be in the viewing area and the invisible light of viewing area is passed in reflection as an indicant, make when Image sensor apparatus in order to top, sensing viewing area image can sense the invisible light that indicant reflects, just can further utilize treatment circuit to calculate the position of indicant with respect to the viewing area according to image that Image sensor apparatus sensed.
And optical manipulation device proposed by the invention is made up of light-passing board, module backlight, light source, Image sensor apparatus and treatment circuit.Described light-passing board have first with second, and first with second face reverse side each other.Described module backlight is disposed at above-mentioned second.Light source leads above-mentioned second in order to provide light to module backlight so that module backlight will enter its inner light.And Image sensor apparatus is in order to the image of above-mentioned first top of sensing, to produce sensing document.As for treatment circuit, it produces the object information in order to the foundation sensing document.
Though the present invention discloses as above with preferred embodiment; right its is not in order to limit the present invention; the persond having ordinary knowledge in the technical field of the present invention; without departing from the spirit and scope of the present invention; when can doing a little change and retouching, thus protection scope of the present invention when with application range the person of being defined be as the criterion.
Claims (11)
1. optical touch control display device is characterized in that comprising:
A Nonopaque type display panel, have first with second, this first with this second face reverse side each other, and this first mask has a viewing area;
A module backlight is disposed at this second;
A visible light source to this module backlight, leads this second so that this module backlight will enter its inner visible light in order to visible emitting;
An invisible light light source to this module backlight, leads this second so that this module backlight will enter its inner invisible light in order to the emission invisible light;
An Image sensor apparatus is in order to the image of this top, viewing area of sensing; And
A treatment circuit, when an indicant is in this viewing area, and the invisible light of this viewing area is passed in reflection, make when this Image sensor apparatus can sense the invisible light that this indicant reflects that this treatment circuit is convenient to calculate the position of this indicant with respect to this viewing area with the image that this Image sensor apparatus sensed.
2. optical touch control display device as claimed in claim 1, it is characterized in that: this module backlight has four sides, this visible light source and this invisible light light source are arranged on the same side in these four sides, or be separately positioned on wherein two sides of this four sides, and in these four sides of this module backlight, towards the side of this visible light source be all transparent surface towards the side of this invisible light light source, remaining other sides then are non-transparent surface or reflective surface.
3. optical touch control display device as claimed in claim 2, it is characterized in that: the inside of this Nonopaque type display panel has a liquid crystal layer, and the inside of this module backlight has a reflecting part, this reflecting part extend to this module backlight not towards the side of this visible light source and this invisible light light source, so that these sides form non-transparent surface.
4. optical touch control display device as claimed in claim 3, it is characterized in that: in this reflecting part, has pattern with this second relative part of this Nonopaque type display panel, and this pattern in order to the photoconduction that will receive to this second, make the visible light and penetrable this Nonopaque type display panel of invisible light and inner this liquid crystal layer and this viewing area thereof that enter this module internal backlight.
5. optical manipulation device is characterized in that comprising:
A light-passing board, have first with one second, this first with this second face reverse side each other;
A module backlight is disposed at this second;
One first light source in order to provide first light to this module backlight, leads this second so that this module backlight will enter this first light of its inside;
An Image sensor apparatus is in order to the image of this first top of sensing, to produce sensing document; And
A treatment circuit is in order to produce the object information according to this sensing document.
6. optical manipulation device as claimed in claim 5 is characterized in that: this first light that this first light source is provided is non-visible light, and this first light source comprises infrared light sources.
7. optical manipulation device as claimed in claim 6 is characterized in that more comprising:
A secondary light source in order to provide second light to this module backlight, leads this second so that this module backlight will enter this second light of its inside, and wherein this second light is visible light.
8. optical manipulation device as claimed in claim 5 is characterized in that: have more a liquid crystal layer in this light-passing board.
9. optical manipulation device as claimed in claim 5 is characterized in that: this sensing document is complete image or Luminance Distribution information.
10. optical manipulation device as claimed in claim 5, it is characterized in that: this module backlight has four sides, this first light source is arranged at one of them side of these four sides, and in these four sides of this module backlight, towards the side of this first light source is transparent surface, and remaining other sides then are non-transparent surface or reflective surface.
11. optical manipulation device as claimed in claim 10 is characterized in that: the inside of this module backlight has light element, this light element leads this second in order to this first light that will enter this module backlight.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010290146.6A CN102253515B (en) | 2010-05-20 | 2010-09-25 | Optical touch display device and optical operation device |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010177858 | 2010-05-20 | ||
| CN201010177858.7 | 2010-05-20 | ||
| CN201010290146.6A CN102253515B (en) | 2010-05-20 | 2010-09-25 | Optical touch display device and optical operation device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102253515A true CN102253515A (en) | 2011-11-23 |
| CN102253515B CN102253515B (en) | 2014-04-02 |
Family
ID=44980863
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010290146.6A Expired - Fee Related CN102253515B (en) | 2010-05-20 | 2010-09-25 | Optical touch display device and optical operation device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102253515B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103389833A (en) * | 2012-05-10 | 2013-11-13 | 信泰光学(深圳)有限公司 | Light sensing type touch sensing device as well as light source module and optical lens of light sensing type touch sensing device |
| WO2014106357A1 (en) * | 2013-01-06 | 2014-07-10 | 深圳市华星光电技术有限公司 | Backlight module |
| CN110750169A (en) * | 2019-09-20 | 2020-02-04 | 苏州佳世达电通有限公司 | Touch control display device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW200928917A (en) * | 2007-12-28 | 2009-07-01 | Ibm | Optical touch panel |
| CN101634406A (en) * | 2008-07-24 | 2010-01-27 | 爱普生映像元器件有限公司 | Illumination device, coordinate inputting device, electro-optical device, and electronic apparatus |
| CN101819340A (en) * | 2009-08-21 | 2010-09-01 | 程抒一 | Infrared multi-point touch screen |
| CN101859206A (en) * | 2009-04-08 | 2010-10-13 | 鸿富锦精密工业（深圳）有限公司 | Touch display device |
| CN102043272A (en) * | 2009-10-23 | 2011-05-04 | 乐金显示有限公司 | Liquid crystal display device |
-
2010
- 2010-09-25 CN CN201010290146.6A patent/CN102253515B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW200928917A (en) * | 2007-12-28 | 2009-07-01 | Ibm | Optical touch panel |
| CN101634406A (en) * | 2008-07-24 | 2010-01-27 | 爱普生映像元器件有限公司 | Illumination device, coordinate inputting device, electro-optical device, and electronic apparatus |
| CN101859206A (en) * | 2009-04-08 | 2010-10-13 | 鸿富锦精密工业（深圳）有限公司 | Touch display device |
| CN101819340A (en) * | 2009-08-21 | 2010-09-01 | 程抒一 | Infrared multi-point touch screen |
| CN102043272A (en) * | 2009-10-23 | 2011-05-04 | 乐金显示有限公司 | Liquid crystal display device |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103389833A (en) * | 2012-05-10 | 2013-11-13 | 信泰光学(深圳)有限公司 | Light sensing type touch sensing device as well as light source module and optical lens of light sensing type touch sensing device |
| WO2014106357A1 (en) * | 2013-01-06 | 2014-07-10 | 深圳市华星光电技术有限公司 | Backlight module |
| CN110750169A (en) * | 2019-09-20 | 2020-02-04 | 苏州佳世达电通有限公司 | Touch control display device |
| CN110750169B (en) * | 2019-09-20 | 2023-10-10 | 苏州佳世达电通有限公司 | touch display device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102253515B (en) | 2014-04-02 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US10409337B2 (en) | Display device comprising prism sheet between a window member and a proximity sensor | |
| US20190294299A1 (en) | Apparatus and method for contactless input | |
| US20080117183A1 (en) | Touch screen using image sensor | |
| TW201418866A (en) | Display input device | |
| CN102956151A (en) | Display device | |
| TW201947297A (en) | Display apparatus and portable terminal | |
| TW202217537A (en) | A driving method of a portable data-processing device | |
| CN104880842A (en) | Touch display panel and display device | |
| US20140320759A1 (en) | Touch type organic light emitting diode display device | |
| CN101673159A (en) | Opto-touch screen | |
| TW201344323A (en) | Illumination assembly and display module | |
| JP2005107607A (en) | Optical position detecting apparatus | |
| CN103543823B (en) | There is the portable electronic devices of multiplicity of projection function | |
| CN102782621B (en) | Touch screen module structure | |
| US8624877B2 (en) | Optical touch display apparatus and optical operation apparatus | |
| CN102253515B (en) | Optical touch display device and optical operation device | |
| US20100224758A1 (en) | Display device and light sensing system | |
| KR20150007984A (en) | Data processing device and data processing system | |
| CN106293273B (en) | Touch base plate and touch control display apparatus | |
| CN105278761A (en) | Electronic device for sensing 2D and 3D touch and method for controlling the same | |
| US20110285643A1 (en) | Optical touch display device | |
| KR20110044439A (en) | Display device having touch panel | |
| TWI520571B (en) | Non-touch operating stereo display device | |
| CN101819730B (en) | Display device and light sensing system | |
| JP5029631B2 (en) | Optical position detection device, display device with position detection function, and electronic device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| 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: 20140402 Termination date: 20200925 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |