CN101620364A - Projecting apparatus using high-power LED array as light source - Google Patents
Projecting apparatus using high-power LED array as light source Download PDFInfo
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- CN101620364A CN101620364A CN200910101765A CN200910101765A CN101620364A CN 101620364 A CN101620364 A CN 101620364A CN 200910101765 A CN200910101765 A CN 200910101765A CN 200910101765 A CN200910101765 A CN 200910101765A CN 101620364 A CN101620364 A CN 101620364A
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- led array
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- spill sphere
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Abstract
The invention relates to a projecting apparatus using a high-power LED array as a light source, which is characterized in that an LED array (4) is fixed at the inside of a concave sphere (8), a high-density fin radiator (9) is installed at the outside of the concave sphere, and all lights emitted by the LED array pass through a first imaging lens (6) and a second imaging lens (7). Compared with the prior art, the invention has the advantages that: (1) the projecting apparatus takes the LED array as the light source which has the advantages of high luminous efficiency, low heating quantity, even luminance, long service life and the like; (2) all lights emitted by LEDs are fully used, thereby improving the imaging quality.
Description
Technical field
The present invention relates to a kind of optical projection apparatus, particularly a kind of is the projection arrangement of light source with the high-power LED array.
Background technology
Existing high-power optical projector, usually adopting high-power gas charging lamp is light source, as adopt xenon lamp, metal halide lamps etc. are with the light source of arc glow mechanism, and the high heat that brings thus, intensive ultraviolet radiation tend to optical system, and imaging system causes adverse consequencess such as insoluble heat radiation, aging, optical attenuation, and the long-life that LED has, lower calorific value does not contain advantages such as infrared ray and ultraviolet ray in the spectrum, be suitable as very much the light source of apparatus for optical projection.
Summary of the invention
The purpose of this invention is to provide a kind of is the projection arrangement of light source with the high-power LED array, adopts led array as light source, and this light source has the luminescence efficiency height, and thermal value is lower, and brightness is even, advantages such as long service life; The light that all LED send is fully utilized, and has improved the quality of imaging.
A kind of is the projection arrangement of light source with the high-power LED array, comprise support 1, adjusting bracket 2, shell 3, led array 4, printing opacity or reflective image medium 5, the first imaging lens 6, the second imaging lens 7, it is characterized in that: led array 4 is fixed on the inboard of a spill sphere 8, a high density fin slices radiator 9 is equipped with in the outside of spill sphere, and a collector lens 4a is placed in each LED the place ahead, and this collector lens is with corresponding LED coaxial arrangement and be connected as a single entity.
A kind of is the projection arrangement of light source with the high-power LED array, comprise support 1, adjusting bracket 2, shell 3, led array 4, printing opacity or reflective image medium 5, the first imaging lens 6, the second imaging lens 7, it is characterized in that: led array 4 is fixed on the inboard of a spill sphere 8, a high density fin slices radiator 9 is equipped with in the spill sphere outside, and each LED in the led array 4 is arranged in corresponding spherical reflector 4b inboard, and this LED is with corresponding spherical reflector coaxial arrangement and be connected as a single entity.
Above-mentioned printing opacity or reflective image medium 5 are selected the film that is printed on image for use, LCD liquid crystal display, LCOS screen, a kind of in the DLP device.
First imaging len 6 and second imaging len 7 adopt conventional imaging len, and arrange in a conventional way; If the LED that is connected as a single entity with collector lens is not that to be arranged in radius be R
1Spill sphere inboard, then the light that sends of led array can not be all by first imaging len 6 and second imaging len 7; If the LED that is connected as a single entity with reflector is not that to be arranged in radius be R
2Spill sphere inboard, then the light that sends of led array can not be all by first imaging len 6 and second imaging len 7.
With prior art relatively, advantage of the present invention is: because the LED that is connected as a single entity with collector lens, perhaps be arranged in the LED in the reflector, all be arranged in spill sphere inboard, the light that all LED send all passes through first imaging len 6, second imaging len 7, so the light that LED sends is fully utilized, and improved the quality of imaging.
Description of drawings
Fig. 1 is the structural representation of the projection arrangement of light source with the high-power LED array for being fixed on a kind of of spill sphere inboard with the LED that collector lens is connected as a single entity.
Fig. 2 is fixed on the led array structural representation of spill sphere inboard for the LED that is connected as a single entity with collector lens.
Fig. 3 is the structural representation of the projection arrangement of light source with the high-power LED array for being fixed on a kind of of spill sphere inboard with the LED that reflector is connected as a single entity.
Fig. 4 is fixed on the led array structural representation of spill sphere inboard for the LED that is connected as a single entity with reflector.
Embodiment
Embodiment 1:
A kind of is the projection arrangement of light source with the high-power LED array, comprise support 1, adjusting bracket 2, shell 3, led array 4, printing opacity or reflective image medium 5, the first imaging lens 6, the second imaging lens 7, it is characterized in that: led array 4 is fixed on the inboard of spill sphere 8, a high density fin slices radiator 9 is equipped with in the spill sphere outside, and each LED in the led array 4 places a collector lens 4a in its place ahead, and this collector lens is with corresponding LED coaxial arrangement and be connected as a single entity.Setting the collector lens beam angle is 12 °, and imaging len focal length F is 300mm, when imaging len clear aperture D is 150mm, and the radius R of spill sphere
1Be 460mm.
Embodiment 2:
A kind of is the projection arrangement of light source with the high-power LED array, comprise support 1, adjusting bracket 2, shell 3, led array 4, printing opacity or reflective image medium 5, the first imaging lens 6, the second imaging lens 7, it is characterized in that: led array 4 is fixed on the inboard of a spill sphere 8, a high density fin slices radiator 9 is equipped with in the spill sphere outside, and each LED in the led array 4 places a collector lens 4a in its place ahead, and this collector lens is with corresponding LED coaxial arrangement and be connected as a single entity.Setting the collector lens beam angle is 10 °, and imaging len focal length F is 500mm, when imaging len clear aperture D is 120mm, and the radius R of spill sphere
1Be 550mm.
Embodiment 3:
A kind of is the projection arrangement of light source with the high-power LED array, comprise support 1, adjusting bracket 2, shell 3, led array 4, printing opacity or reflective image medium 5, the first imaging lens 6, the second imaging lens 7, it is characterized in that: led array 4 is fixed on the inboard of a spill sphere 8, a high density fin slices radiator 9 is equipped with in the spill sphere outside, and each LED in the led array 4 places a collector lens 4a in its place ahead, and this collector lens is with corresponding LED coaxial arrangement and be connected as a single entity.Setting the collector lens beam angle is 6 °, and imaging len focal length F is 760mm, when imaging len clear aperture D is 200mm, and the radius R of spill sphere
1Be 900mm.
Embodiment 4:
A kind of is the projection arrangement of light source with the high-power LED array, comprise support 1, adjusting bracket 2, shell 3, led array 4, printing opacity or reflective image medium 5, the first imaging lens 6, the second imaging lens 7, it is characterized in that: led array 4 is fixed on the inboard of a spill sphere 8, a high density fin slices radiator 9 is equipped with in the spill sphere outside, and each LED in the led array 4 is arranged in corresponding spherical reflector 4b inboard, and this LED is with corresponding spherical reflector coaxial arrangement and be connected as a single entity.Setting the reflective mirror beam angle is 10 °, and imaging len focal length F is 500mm, when imaging len clear aperture D is 120mm, and the radius R of spill sphere
2Be 550mm.
Embodiment 5:
A kind of is the projection arrangement of light source with the high-power LED array, comprise support 1, adjusting bracket 2, shell 3, led array 4, printing opacity or reflective image medium 5, the first imaging lens 6, the second imaging lens 7, it is characterized in that: led array 4 is fixed on the inboard of a spill sphere 8, a high density fin slices radiator 9 is equipped with in the spill sphere outside, and each LED in the led array 4 is arranged in corresponding spherical reflector 4b inboard, and this LED is with corresponding spherical reflector coaxial arrangement and be connected as a single entity.Setting the reflective mirror beam angle is 7.4 °, and imaging len focal length F is 800mm, when imaging len clear aperture D is 120mm, and the radius R of spill sphere
2Be 900mm.
Embodiment 6:
A kind of is the projection arrangement of light source with the high-power LED array, comprise support 1, adjusting bracket 2, shell 3, led array 4, printing opacity or reflective image medium 5, the first imaging lens 6, the second imaging lens 7, it is characterized in that: led array 4 is fixed on the inboard of a spill sphere 8, a high density fin slices radiator 9 is equipped with in the spill sphere outside, and each LED in the led array 4 is arranged in corresponding spherical reflector 4b inboard, and this LED is with corresponding spherical reflector coaxial arrangement and be connected as a single entity.Setting the reflective mirror beam angle is 6 °, and imaging len focal length F is 760mm, when imaging len clear aperture D is 200mm, and the radius R of spill sphere
2Be 900mm.
Claims (4)
1. one kind is the projection arrangement of light source with the high-power LED array, comprise support (1), adjusting bracket (2), shell (3), led array (4), printing opacity or reflective image medium (5), first imaging len (6), second imaging len (7), it is characterized in that: led array (4) is fixed on the inboard of a spill sphere (8), a high density fin slices radiator (9) is equipped with in the spill sphere outside, and each LED in the led array (4) places collector lens (4a) in its place ahead, and this collector lens is with corresponding LED coaxial arrangement and be connected as a single entity.
2. projection arrangement according to claim 1 is characterized in that: printing opacity or reflective image medium (5) are selected the film that is printed on image for use, LCD liquid crystal display, LCOS screen, a kind of in the DLP device.
3. one kind is the projection arrangement of light source with the high-power LED array, comprise support (1), adjusting bracket (2), shell (3), led array (4), printing opacity or reflective image medium (5), first imaging len (6), second imaging len (7), it is characterized in that: led array (4) is fixed on the inboard of a spill sphere (8), a high density fin slices radiator (9) is equipped with in the spill sphere outside, and each LED in the led array (4) is arranged in corresponding spherical reflector (4b) inboard, and this LED is with corresponding spherical reflector coaxial arrangement and be connected as a single entity.
4. projection arrangement according to claim 3 is characterized in that: printing opacity or reflective image medium (5) are selected the film that is printed on image for use, LCD liquid crystal display, LCOS screen, a kind of in the DLP device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910101765A CN101620364A (en) | 2009-08-17 | 2009-08-17 | Projecting apparatus using high-power LED array as light source |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910101765A CN101620364A (en) | 2009-08-17 | 2009-08-17 | Projecting apparatus using high-power LED array as light source |
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| Publication Number | Publication Date |
|---|---|
| CN101620364A true CN101620364A (en) | 2010-01-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200910101765A Pending CN101620364A (en) | 2009-08-17 | 2009-08-17 | Projecting apparatus using high-power LED array as light source |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103581521A (en) * | 2012-08-03 | 2014-02-12 | Nec爱克赛斯科技株式会社 | Light collecting member, and optical module and image reading device having the light collecting member |
| CN108466427A (en) * | 2017-02-23 | 2018-08-31 | 上海冠显光电科技有限公司 | A kind of photocuring 3D printing optical module and photocuring 3D printing system |
| CN113885287A (en) * | 2021-11-12 | 2022-01-04 | 福州京东方光电科技有限公司 | Projection device, display system and preparation method of light source component |
-
2009
- 2009-08-17 CN CN200910101765A patent/CN101620364A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103581521A (en) * | 2012-08-03 | 2014-02-12 | Nec爱克赛斯科技株式会社 | Light collecting member, and optical module and image reading device having the light collecting member |
| CN103581521B (en) * | 2012-08-03 | 2018-01-26 | Nec平台株式会社 | Light harvesting component and optical module and image read-out with light harvesting component |
| CN108466427A (en) * | 2017-02-23 | 2018-08-31 | 上海冠显光电科技有限公司 | A kind of photocuring 3D printing optical module and photocuring 3D printing system |
| CN113885287A (en) * | 2021-11-12 | 2022-01-04 | 福州京东方光电科技有限公司 | Projection device, display system and preparation method of light source component |
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Open date: 20100106 |