CN103324006B - Optical projection system and there is the electronic installation of this optical projection system - Google Patents
Optical projection system and there is the electronic installation of this optical projection system Download PDFInfo
- Publication number
- CN103324006B CN103324006B CN201210077825.4A CN201210077825A CN103324006B CN 103324006 B CN103324006 B CN 103324006B CN 201210077825 A CN201210077825 A CN 201210077825A CN 103324006 B CN103324006 B CN 103324006B
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- China
- Prior art keywords
- light
- light source
- guide device
- projection system
- source cell
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Abstract
A kind of optical projection system, including a light source cell, an image-generating unit and a projection lens.Described light source cell is for providing projection ray for described optical projection system.Described image-generating unit obtains the light with image signal for the light modulating described light source cell, and the described light with image signal is sent to described projection lens.Described projection lens has the light of image signal described in project.Described light source cell includes multiple collecting lens and a light-guide device.Described collecting lens for converging to described light-guide device by ambient.Described light-guide device guides to described image-generating unit for the ambient assembled by described collecting lens.The invention still further relates to a kind of electronic installation with described optical projection system.
Description
Technical field
The present invention relates to a kind of optical projection system and and there is the electronic installation of this optical projection system.
Background technology
Along with the progress of technology, many electronic installations, such as mobile phone, can in set optical projection system so that described electronic installation possesses projecting function.So, electronic installation is the lightest and the handiest, and therefore the electricity of its battery is limited, and optical projection system has higher power consumption, therefore its battery life of electronic installation possessing projecting function is shorter, and the battery life how increasing described electronic installation has become problem demanding prompt solution.
Summary of the invention
In view of this, it is necessary to the electronic installation in a kind of optical projection system that can save electric energy and with this optical projection system is provided.
A kind of optical projection system, including a light source cell, an image-generating unit and a projection lens.Described light source cell is for providing projection ray for described optical projection system.The described light with image signal is also sent to described projection lens by light that described image-generating unit obtains having image signal for the light modulating described light source cell.Described projection lens has the light of image signal described in project.Described light source cell includes multiple collecting lens and a light-guide device.Described collecting lens for converging to described light-guide device by ambient.Described light-guide device guides to described image-generating unit for the ambient assembled by described collecting lens.
A kind of electronic installation, it includes a housing and an optical projection system being arranged in described housing.Described optical projection system includes a light source cell, an image-generating unit and a projection lens.Described light source cell is for providing projection ray for described optical projection system.The described light with image signal is also sent to described projection lens by light that described image-generating unit obtains having image signal for the light modulating described light source cell.Described projection lens has the light of image signal described in project.Described housing offers multiple through hole.Described light source cell includes multiple collecting lens corresponding to described through hole and a light-guide device.Described collecting lens is arranged at the through hole of correspondence, for by the convergence of rays outside described housing to described light-guide device.Described light-guide device guides to described image-generating unit for the ambient assembled by described collecting lens.
Compare prior art, described optical projection system and have described optical projection system electronic installation use described collecting lens by ambient assemble and for project, therefore the power of described body light source can suitably be reduced, reach to save the purpose of electric power so that described electronic device power flying power promotes.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of electronic installation of the present invention.
Fig. 2 is the schematic diagram of the optical projection system of the electronic installation of Fig. 1.
Main element symbol description
| Electronic installation | 100 |
| Housing | 10 |
| Through hole | 101 |
| Operating surface | 11 |
| Bottom surface | 12 |
| Side | 13 |
| End face | 14 |
| Optical projection system | 20 |
| Light source cell | 21 |
| Body light source | 211 |
| Collecting lens | 212 |
| Light-guide device | 213 |
| Light inputting end | 2131 |
| Go out light end | 2132 |
| One light entrance | 2133 |
| Second light entrance | 2134 |
| Optical sensor | 214 |
| Image-generating unit | 22 |
| Lens element | 221 |
| First lens | 2211 |
| Second lens | 2212 |
| Colour wheel | 222 |
| Image-forming component | 223 |
| Circuit board | 2231 |
| Processor | 2232 |
| Digital micro-mirror device | 2233 |
| Projection lens | 23 |
Following detailed description of the invention will further illustrate the present invention in conjunction with above-mentioned accompanying drawing.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is made one specifically to introduce.
Referring to Fig. 1 and Fig. 2, the electronic installation 100 of the present invention includes housing 10 and is arranged at the optical projection system 20 in described housing 10.Described electronic installation 100 can be the electronic installation of the types such as mobile phone, tablet PC, mobile computer.
Described housing 10 substantially rectangular shape, bottom surface 12, two the relative side 13 opposing with described operating surface 11 including an operating surface 11, and two relative end faces 14.The operation interface of described electronic installation 100, such as button and/or display screen etc. it is provided with on described operating surface 11.Offering multiple through hole 101 on described housing 10, it is internal that described through hole 101 can make the light outside described housing 10 enter housing 10.The quantity of described through hole 101 can change according to actual demand, it is preferred that described operating surface 11 and described side 13 all offer described through hole 101.
Described optical projection system 20 includes 21, image-generating unit 22 of a light source cell and a projection lens 23.
Described light source cell 21 is for providing the projection ray needed for described optical projection system.Described light source cell 21 includes a body light source 211, multiple collecting lens 212 and a light-guide device 213.
Described body light source 211 is electroluminescent cell, such as light emitting diode (LED) or cold cathode fluorescence lamp (CCFL) etc..Set power supply (not shown) in described electronic installation 100 and provide electric energy as described body light source 211.
Described collecting lens 212 corresponds to the through hole 101 of described housing 10 and is respectively arranged at through hole 101 position of correspondence.Described collecting lens 212 is for assembling the light outside described housing 10.Described collecting lens 212 can be convex lens or Fresnel Lenses (Fresnel lens), and in present embodiment, described collecting lens 212 is Fresnel Lenses.
Described light-guide device 213 is for guiding the light of described light source cell 21 to described image-generating unit 22.In present embodiment, described light-guide device 213 is light guide (light pipe), described light-guide device 213 include a light inputting end 2131 and one go out light end 2132.Described light inputting end 2131 is provided with first light entrance 2133 and at least one the second light entrance 2134.Described first light entrance 2133 is the entrance that the light that described body light source 211 produces enters described light-guide device 213.Described second light entrance 2134 is the entrance that the light that described collecting lens 212 is assembled enters described light-guide device 213.The difference that described second light entrance 2134 arranges position according to described collecting lens 212 can be multiple.In present embodiment, the quantity of described second light entrance 2134 is three, corresponds respectively to be arranged at the collecting lens 212 of described operating surface 11 and described side 13.
Described light source cell 21 also includes an optical sensor 214, described optical sensor 214 is for sensing the light intensity of described light source cell 21, and described optical projection system 20 adjusts the power of described body light source 211 according to the light intensity detected by described optical sensor 214.In present embodiment, what described optical sensor 214 was arranged at described light-guide device 213 goes out light end 2132.Certainly, described optical sensor 214 can also be arranged at described second light entrance 2134.
Described image-generating unit 22 for being modulated into the light with image signal by the light of described light source cell 21, and this light with image signal is sent to described projection lens 23.Described image-generating unit 22 can be to use LCOS(liquid crystal on silicon) or DLP(digital light processing) technology imaging.In present embodiment, described image-generating unit 22 uses DLP technology imaging.Described image-generating unit 22 includes lens element 221, colour wheel 222 and image-forming component 223.
Described lens element 221 includes first lens 2211 and second lens 2212.Described first lens 2211 are arranged in the light path between described light-guide device 213 and described colour wheel 222, and described second lens 2212 are arranged in the light path of described colour wheel 222 and described image-forming component 223.Described first lens 2211 and described second lens 2212 enable to through light there is more preferable directivity.
Described colour wheel 222 is according to needing to be divided into light the primaries of red, green, blue.
Described image-forming component 223 includes a circuit board 2231, a processor being arranged on described circuit board 2,231 2232 and a digital micro-mirror device being arranged on described circuit board (digital micro-mirror device:DMD) 2233.Described circuit board 2231 for for described processor 2232 and described digital micro-mirror device 2233 provide electric power and between described processor 2232 and described digital micro-mirror device 2233 transmission signal.Described processor 2232 is used for controlling described digital micro-mirror device 2233 and carries out image synthesis.Described digital micro-mirror device 2233 is modulated the light obtaining having image signal under described processor 2232 controls to light, and the described light with image signal is sent to described projection lens 23.
The light with image signal is projected outside described housing 10 by described projection lens 23.According to concrete light path design, described projection lens 23 can be arranged on described operating surface 11, described bottom surface 12, described side 13 and described end face 14.In present embodiment, described projection lens 23 is arranged on a described end face 14.
Described optical projection system and have described optical projection system electronic installation use described collecting lens by ambient assemble and for project, therefore the power of described body light source can suitably be reduced, reach to save the purpose of electric power so that described electronic device power flying power promotes.
It addition, those skilled in the art also can do other change, certainly, these changes done according to present invention spirit in spirit of the present invention, within all should being included in scope of the present invention.
Claims (9)
1. an optical projection system, including a light source cell, an image-generating unit and a projection lens,
Described light source cell is for providing projection ray for described optical projection system, and described image-generating unit is used for modulating institute
State light that the light of light source cell obtains having image signal and the described light with image signal is passed
Delivering to described projection lens, described projection lens has the light of image signal described in project, and it is special
Levy and be: described light source cell includes multiple collecting lens and a light-guide device, described collecting lens
Ambient converges to described light-guide device, and described light-guide device is for assembling described collecting lens
Ambient guides to described image-generating unit, and described light source cell includes a body light source, described leaded light
Element includes a light inputting end, described light inputting end be provided with first light entrance and at least one second
Light entrance, described first light entrance is used as the light of described body light source generation and enters described light-guide device
Entrance, described second light entrance is used as the light of described collecting lens convergence and enters entering of described light-guide device
Mouthful.
2. optical projection system as claimed in claim 1, it is characterised in that: described body light source is electroluminescent
Optical element.
3. optical projection system as claimed in claim 2, it is characterised in that: described light-guide device includes one
Going out light end, the light that light produced by described body light source and described collecting lens are assembled is via described
Light inputting end enter described light-guide device, and via described go out light end-fire go out described light-guide device, described in go out light
End is towards described image-generating unit.
4. optical projection system as claimed in claim 3, it is characterised in that: described light source cell also includes one
Individual optical sensor, described optical sensor is for sensing the light intensity of described light source cell.
5. optical projection system as claimed in claim 4, it is characterised in that: described optical sensor is arranged at institute
That states light-guide device goes out light end.
6. optical projection system as claimed in claim 4, it is characterised in that: described optical sensor can also set
It is placed in described second light entrance.
7. an electronic installation, the projection system being arranged in described housing including a housing and
System, described optical projection system includes a light source cell, an image-generating unit and a projection lens, institute
Stating light source cell for providing projection ray for described optical projection system, described image-generating unit is used for modulating described
Light that the light of light source cell obtains having image signal by the described light transmission with image signal
To described projection lens, described projection lens has the light of image signal, its feature described in project
Being: described housing offers multiple through hole, described light source cell includes multiple corresponding to described through hole
Collecting lens and a light-guide device, described collecting lens is arranged at the through hole of correspondence, for by institute
The convergence of rays stated outside housing is used for described collecting lens meeting to described light-guide device, described light-guide device
Poly-ambient guides to described image-generating unit, and described light source cell includes a body light source, described
Light-guide device includes a light inputting end, described light inputting end be provided with first light entrance and at least one
Second light entrance, described first light entrance is used as the described guide-lighting unit of light entrance that described body light source produces
The entrance of part, described second light entrance is used as the light described light-guide device of entrance that described collecting lens is assembled
Entrance.
8. electronic installation as claimed in claim 7, it is characterised in that: described housing includes an operation
Face, a bottom surface opposing with described operating surface, two opposing sides and two opposing end faces.
9. electronic installation as claimed in claim 8, it is characterised in that: described through hole is opened in described behaviour
Make on face and described side, and described projection lens is arranged on one end face.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210077825.4A CN103324006B (en) | 2012-03-22 | 2012-03-22 | Optical projection system and there is the electronic installation of this optical projection system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210077825.4A CN103324006B (en) | 2012-03-22 | 2012-03-22 | Optical projection system and there is the electronic installation of this optical projection system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103324006A CN103324006A (en) | 2013-09-25 |
| CN103324006B true CN103324006B (en) | 2016-12-21 |
Family
ID=49192845
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210077825.4A Expired - Fee Related CN103324006B (en) | 2012-03-22 | 2012-03-22 | Optical projection system and there is the electronic installation of this optical projection system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103324006B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9797572B2 (en) * | 2014-10-27 | 2017-10-24 | Trimble Navigation Limited | Two way omnidirectional lens |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6369866B1 (en) * | 1998-02-19 | 2002-04-09 | Sanyo Electric Co., Ltd. | Liquid crystal display having a light collecting mechanism with a light transmitter optically connected to the light guide plate and light collector for collecting ambient light |
| TW200725148A (en) * | 2005-12-27 | 2007-07-01 | Coretronic Corp | Illumination system and optical projection apparatus |
| CN102576440A (en) * | 2009-05-27 | 2012-07-11 | 传斯伯斯克影像有限公司 | Advertisement content selection and presentation |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7213955B1 (en) * | 2005-10-26 | 2007-05-08 | Research In Motion Limited | System and method for providing ambient light to a display in an electronic device |
| TWI447508B (en) * | 2010-04-01 | 2014-08-01 | Delta Electronics Inc | Projection apparatus and location method for determining a potition of a light point on a projection image |
-
2012
- 2012-03-22 CN CN201210077825.4A patent/CN103324006B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6369866B1 (en) * | 1998-02-19 | 2002-04-09 | Sanyo Electric Co., Ltd. | Liquid crystal display having a light collecting mechanism with a light transmitter optically connected to the light guide plate and light collector for collecting ambient light |
| TW200725148A (en) * | 2005-12-27 | 2007-07-01 | Coretronic Corp | Illumination system and optical projection apparatus |
| CN102576440A (en) * | 2009-05-27 | 2012-07-11 | 传斯伯斯克影像有限公司 | Advertisement content selection and presentation |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103324006A (en) | 2013-09-25 |
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Granted publication date: 20161221 Termination date: 20170322 |