CN206331222U - A kind of light supply apparatus and its application - Google Patents
A kind of light supply apparatus and its application Download PDFInfo
- Publication number
- CN206331222U CN206331222U CN201621482958.XU CN201621482958U CN206331222U CN 206331222 U CN206331222 U CN 206331222U CN 201621482958 U CN201621482958 U CN 201621482958U CN 206331222 U CN206331222 U CN 206331222U
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- Prior art keywords
- light
- fluorescence
- colour wheel
- supply apparatus
- excitation light
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Abstract
The utility model provides a kind of light supply apparatus, including：Fluorescence colour wheel, the fluorescence colour wheel includes fluorescence radiation portion and reflecting part；Light source, launch polarisation excitation light, fluorescence colour wheel described in the polarisation excitation light irradiation, the luminescent coating of fluorescence colour wheel described in the polarisation excitation light irradiation produces the reflection that polarisation excitation light is produced after the fluorescence of regulation wave band, the reflecting part of fluorescence colour wheel described in the polarisation excitation light irradiation；Color separation film is polarized, the polarization color separation film reflects the polarisation excitation light to the fluorescence colour wheel, and transmit the fluorescence of the fluorescence radiation portion transmitting of the fluorescence colour wheel and the excitation light of reflecting part reflection；Wave plate, is arranged in the light path between the fluorescence colour wheel and the colour filter colour wheel, the fluorescence and the polarization state of the excitation light of reflection sent for changing from the fluorescence colour wheel.In the utility model light supply apparatus, the light path and laser optical path of fluorescence are same light paths, therefore have light path simple using this system, the advantage of small volume.
Description
Technical field
The invention belongs to projection display technique field, and in particular to a kind of light source transposition and its application.
Background technology
Now, it is a large amount of using by the picture or video image of personal computer and based on the figure being stored in storage card etc.
Image as data etc. projects to data projector on screen, as image projection device.The projector makes to penetrate from light source
The light gone out, which is converged to, to be referred to as on DMD (digital micromirror device) micro mirror display element or liquid crystal board, and shows on screen coloured silk
Color image.
In such projector, conventional main flow uses the high-pressure sodium lamp of high brightness as light source, but in recent years, great Liang Ti
Light emitting diode, laser diode or organic EL, light-emitting phosphor etc. are gone out to use as the research and motion of light source.Existing skill
A kind of light supply apparatus of art has：Solid light source, sends the blue light or ultraviolet light as excitation light；And fluorescent wheel, by justifying
The base material of tabular is constituted, the base material be configured with receive to be shot up as excitation light blue light or ultraviolet light and be converted into
The luminescent coating of visible ray.
On the wheel face of the incident fluorescent wheel of excitation light, formation makes excitation light transmission and makes the visible ray of visible reflectance anti-
Film is penetrated, thus, makes the ultraviolet lighting of incidence be incident upon luminescent coating of the configuration on the wheel face of exiting side to produce fluorescence, and make glimmering
Light is projected to exiting side, moreover, the fluorescence projected from luminescent coating to incident surface side is also anti-to exiting side by visible light reflecting film
Penetrate, by increasing capacitance it is possible to increase the light quantity of the fluorescence projected from fluorescent wheel.
In addition, in order to prevent that optical component is damaged due to excitation light irradiation, can also be to the solid of above-mentioned light supply apparatus
Light source, using blue wave band light is projected as blue laser diode of excitation light etc..Now, fluorescent wheel is configured to：Will diffusion
Layer forms first-class in wheel face, to transmit fluorescent wheel and utilize blue wave band light as former state.
Further, since the plane of incidence in the fluorescent wheel of blue wave band light is identical with exit facet, therefore there is problems with,
I.e.：In order to which the incident light path of blue-light source light is separated with the light path of outgoing, it is necessary to turn into optical layout or optical component
Special structure, causes optical texture complicated, volume is big.
The content of the invention
Present invention aim to address above mentioned problem, there is provided a kind of light supply apparatus.
It is a further object of the present invention to provide the application of above-mentioned light supply apparatus.
In order to solve the above technical problems, the technical scheme is that：A kind of light supply apparatus, including：
Fluorescence colour wheel, the fluorescence colour wheel includes fluorescence radiation portion and reflecting part, and the fluorescence radiation portion is formed with receiving
Excitation light and send the luminescent coating of regulation band of light, the light of the reflecting part reflected illumination to the reflecting part；
Light source, launches polarisation excitation light, and the luminescent coating of fluorescence colour wheel described in the polarisation excitation light irradiation produces regulation
The reflection of polarisation excitation light is produced after the fluorescence of wave band, the reflecting part of fluorescence colour wheel described in the polarisation excitation light irradiation；
Color separation film is polarized, is configured in the light path between the light source and the fluorescence colour wheel, the polarization color separation film reflection
The polarisation excitation light transmits the fluorescence launched in the fluorescence radiation portion of the fluorescence colour wheel and described anti-to the fluorescence colour wheel
Penetrate the excitation light of portion's reflection；
Wave plate, is arranged in the light path between the polarization color separation film and the fluorescence colour wheel, for changing from described glimmering
The photochromic polarization state for taking turns the fluorescence sent and the excitation light of reflection；
Lens combination, can make the fluorescence and excitation light optically focused that the polarization color separation film is transmitted in same light path, and
Irradiated to same direction.
Preferably, the light source is blueness or the laser hole drilling illuminator of ultraviolet band.
Preferably, the fluorophor for forming the luminescent coating is at least the fluorophor for sending red band light and sends green
The fluorophor of color band of light or multiple color.
Preferably, it is provided with diffusion sheet between the light source and the polarization color separation film.
Preferably, it is provided with laser beam compression system between the light source and the polarization color separation film.
Preferably, it is provided with condenser system between the fluorescence colour wheel and the polarization color separation film.
Preferably, it is provided with colour filter colour wheel in the light extraction light path of the lens combination.
Preferably, it is provided with guiding device at the light extraction of the colour filter colour wheel.
Preferably, the drive device one and drive device also including the driving fluorescence colour wheel and colour filter colour wheel rotation
Two.
Any of the above-described described light supply apparatus is applied in DLP, LCOS, LCD optical projection system.
Preferably, a kind of optical projection system, including light supply apparatus, display element and light source side described in any of the above-described scheme
Optical system, the light from above-mentioned light supply apparatus is guided to above-mentioned display element；Projection side optical system, will be from above-mentioned display
The image projection that element is projected is on screen；And projector's control unit, control above-mentioned light supply apparatus and display element.
The beneficial effects of the invention are as follows：The light supply apparatus provided compared to prior art, the present invention, fluorescence colour wheel is using anti-
The mode in portion and fluorescence radiation part area is penetrated, the fluorescence that excitation light and reflection excitation are produced can be reflected, and eventually through optics
Converged light is formed after the processing such as lens, wave plate, polarisation color separation film and is incident to guiding device, and the light supply apparatus has light path simple,
The advantage of small volume.Accordingly, also have light path simple using the optical projection system of the light supply apparatus, the advantage of small volume.
Brief description of the drawings
Fig. 1 is the light channel structure schematic diagram of light supply apparatus of the present invention.
Description of reference numerals：71st, fluorescence colour wheel；72nd, light source；73rd, diffusion sheet；74th, laser beam compression system；75th, optically focused system
System；76th, wave plate；77th, color separation film is polarized；78th, lens combination；79th, colour filter colour wheel；81st, drive device one；82nd, drive device two；
88th, guiding device.
Embodiment
The present invention is described further with specific embodiment below in conjunction with the accompanying drawings：
As shown in figure 1, the present invention offer light supply apparatus, a kind of light supply apparatus, including fluorescence colour wheel 71, light source 72,
Polarize color separation film 77, wave plate 76 and lens combination 78.Fluorescence colour wheel 71 includes fluorescence radiation portion and reflecting part, fluorescence radiation portion
It is formed with the luminescent coating for receiving excitation light and sending regulation band of light, the light of reflecting part reflected illumination to reflecting part；Light source 72
Launch polarisation excitation light, the luminescent coating of polarisation excitation light irradiation fluorescence colour wheel 71 produces the fluorescence of regulation wave band, polarisation excitation
The reflection of polarisation excitation light is produced after the reflecting part of light irradiation fluorescence colour wheel 71；Polarization color separation film 77 configure the light source 72 with it is glimmering
In light path between photochromic wheel 71, polarization color separation film 77 polarization by reflection encourages light to fluorescence colour wheel 71, and transmits fluorescence colour wheel 71
Fluorescence radiation portion transmitting fluorescence and reflecting part reflection excitation light；Wave plate 76 is arranged on polarization color separation film 77 and fluorescence colour wheel
In light path between 71, the fluorescence and the polarization state of the excitation light of reflection sent for changing from fluorescence colour wheel 71；Lens combination
78 can be such that the fluorescence that polarization color separation film 77 is transmitted is irradiated with excitation light optically focused in same light path, and to same direction.
As shown in figure 1, in the present embodiment, light supply apparatus also includes diffusion sheet 73, laser beam compression system 74, condenser system
75th, colour filter colour wheel 79, guiding device 88.Laser beam compression system 74 and diffusion sheet 73 by it is lower and on be disposed with light source 72 with
Polarize between color separation film 77, herein by it is lower and on refer to the direction of propagation of the exciting light that light source 72 is sent.Wave plate 76 and optically focused
System 75 is successively set between polarization color separation film 77 and fluorescence colour wheel 71 from left to right, herein, and polarization is referred to by left and right
The reflection direction of color separation film 77.Colour filter colour wheel 79 is arranged in the light extraction light path of lens combination 78.Guiding device 88 is arranged on filter
At the light extraction of color colour wheel 79.
Laser beam compression system 74 is made up of two panels condenser.Similarly, condenser system 75 is also to be made up of two panels condenser.
Drive device 1 and drive device 2 82 are further respectively had on fluorescence colour wheel 71 and colour filter colour wheel 79, is respectively used to
Driving fluorescence colour wheel 71 and colour filter colour wheel 79 rotate.
Further, light source 72 is blueness or the laser hole drilling illuminator of ultraviolet band.In addition, forming the fluorescence of luminescent coating
Body is at least the fluorophor for sending red band light and sends the fluorophor of green band light or multiple color.
Any of the above-described light supply apparatus is applied in DLP, LCOS, LCD optical projection system.
Specifically, a kind of optical projection system, including foregoing described light supply apparatus, display element and light source-side optical system
System, the light from above-mentioned light supply apparatus is guided to above-mentioned display element；Projection side optical system, will be penetrated from above-mentioned display element
The image projection gone out is on screen；And projector's control unit, control above-mentioned light supply apparatus and display element.
One of ordinary skill in the art will be appreciated that embodiment described here is to aid in reader and understands this hair
Bright principle, it should be understood that protection scope of the present invention is not limited to such especially statement and embodiment.This area
Those of ordinary skill can make according to these technical inspirations disclosed by the invention various does not depart from the other each of essence of the invention
Plant specific deformation and combine, these deformations and combination are still within the scope of the present invention.
Claims (10)
1. a kind of light supply apparatus, it is characterised in that：Including：
Fluorescence colour wheel (71), the fluorescence colour wheel (71) includes fluorescence radiation portion and reflecting part, and the fluorescence radiation portion is formed with
Receive excitation light and send the luminescent coating of regulation band of light, the light of the reflecting part reflected illumination to the reflecting part；
Light source (72), launches polarisation excitation light, and the luminescent coating of fluorescence colour wheel (71) described in the polarisation excitation light irradiation is produced
Provide to produce the anti-of polarisation excitation light after the fluorescence of wave band, the reflecting part of fluorescence colour wheel (71) described in the polarisation excitation light irradiation
Penetrate；
Color separation film (77) is polarized, is configured in the light path between the light source (72) and the fluorescence colour wheel (71), the polarization point
Color chips (77) reflects the polarisation excitation light to the fluorescence colour wheel (71), and transmits the fluorescence radiation of the fluorescence colour wheel (71)
The fluorescence of portion's transmitting and the excitation light of reflecting part reflection；
Wave plate (76), is arranged in the light path between the polarization color separation film (77) and the fluorescence colour wheel (71), for changing
The fluorescence and the polarization state of the excitation light of reflection sent from the fluorescence colour wheel (71)；
Lens combination (78), can make the fluorescence and excitation light optically focused of polarization color separation film (77) transmission in same light path,
And irradiated to same direction.
2. light supply apparatus according to claim 1, it is characterised in that：The light source (72) is blue or ultraviolet band
Laser hole drilling illuminator.
3. light supply apparatus according to claim 1, it is characterised in that：The fluorophor for forming the luminescent coating is at least hair
Go out the fluorophor of red band light and send the fluorophor of green band light.
4. light supply apparatus according to claim 1, it is characterised in that：In the light source (72) and the polarization color separation film
(77) diffusion sheet (73) is provided between.
5. light supply apparatus according to claim 1, it is characterised in that：In the light source (72) and the polarization color separation film
(77) laser beam compression system (74) is provided between.
6. light supply apparatus according to claim 1, it is characterised in that：In the fluorescence colour wheel (71) and the polarization color separation
Condenser system (75) is provided between piece (77).
7. light supply apparatus according to claim 1, it is characterised in that：Set in the light extraction light path of the lens combination (78)
It is equipped with colour filter colour wheel (79).
8. light supply apparatus according to claim 7, it is characterised in that：It is provided with the light extraction of the colour filter colour wheel (79)
Guiding device (88).
9. light supply apparatus according to claim 7, it is characterised in that：Also include driving the fluorescence colour wheel (71) and described
The drive device one (81) and drive device two (82) of colour filter colour wheel (79) rotation.
10. any described light supply apparatuses of claim 1-9 are applied in DLP, LCOS, LCD optical projection system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621482958.XU CN206331222U (en) | 2016-12-30 | 2016-12-30 | A kind of light supply apparatus and its application |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621482958.XU CN206331222U (en) | 2016-12-30 | 2016-12-30 | A kind of light supply apparatus and its application |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206331222U true CN206331222U (en) | 2017-07-14 |
Family
ID=59293595
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621482958.XU Expired - Fee Related CN206331222U (en) | 2016-12-30 | 2016-12-30 | A kind of light supply apparatus and its application |
Country Status (1)
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| CN (1) | CN206331222U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107357125A (en) * | 2017-08-17 | 2017-11-17 | 深圳彩翼光电科技有限公司 | A kind of excitation light path system |
| CN109164589A (en) * | 2018-09-18 | 2019-01-08 | 无锡视美乐激光显示科技有限公司 | A kind of light splitting Multiplexing apparatus and light-source system |
| CN109656084A (en) * | 2017-10-10 | 2019-04-19 | 青岛海信电器股份有限公司 | A kind of laser light source mould group and laser projection device |
| WO2019153990A1 (en) * | 2018-02-09 | 2019-08-15 | 广景视睿科技（深圳）有限公司 | Projection system and laser illumination light source thereof |
| CN110543072A (en) * | 2018-05-29 | 2019-12-06 | 青岛海信激光显示股份有限公司 | laser light source and laser projector |
| CN111220359A (en) * | 2018-11-26 | 2020-06-02 | 株式会社马康 | Light emission characteristic measuring device for LED device |
-
2016
- 2016-12-30 CN CN201621482958.XU patent/CN206331222U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107357125A (en) * | 2017-08-17 | 2017-11-17 | 深圳彩翼光电科技有限公司 | A kind of excitation light path system |
| CN109656084A (en) * | 2017-10-10 | 2019-04-19 | 青岛海信电器股份有限公司 | A kind of laser light source mould group and laser projection device |
| WO2019153990A1 (en) * | 2018-02-09 | 2019-08-15 | 广景视睿科技（深圳）有限公司 | Projection system and laser illumination light source thereof |
| CN110543072A (en) * | 2018-05-29 | 2019-12-06 | 青岛海信激光显示股份有限公司 | laser light source and laser projector |
| CN110543072B (en) * | 2018-05-29 | 2021-08-31 | 青岛海信激光显示股份有限公司 | Laser light source and laser projector |
| CN109164589A (en) * | 2018-09-18 | 2019-01-08 | 无锡视美乐激光显示科技有限公司 | A kind of light splitting Multiplexing apparatus and light-source system |
| CN111220359A (en) * | 2018-11-26 | 2020-06-02 | 株式会社马康 | Light emission characteristic measuring device for LED device |
| CN111220359B (en) * | 2018-11-26 | 2024-04-23 | 株式会社马康 | Light-emitting characteristic measuring device for LED device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Light source device and use thereof Effective date of registration: 20180529 Granted publication date: 20170714 Pledgee: Yang Yulong Pledgor: CHENGDU CHENGYI OPTOELECTRONICS TECHNOLOGY CO., LTD. Registration number: 2018510000050 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170714 Termination date: 20201230 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |