CN201886268U - Laser light supply apparatus used for projection display - Google Patents
Laser light supply apparatus used for projection display Download PDFInfo
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- CN201886268U CN201886268U CN2010206880093U CN201020688009U CN201886268U CN 201886268 U CN201886268 U CN 201886268U CN 2010206880093 U CN2010206880093 U CN 2010206880093U CN 201020688009 U CN201020688009 U CN 201020688009U CN 201886268 U CN201886268 U CN 201886268U
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Abstract
The utility model relates to a laser light supply apparatus used for a projection display device, which comprises a green light laser, one or a plurality of red light semiconductor laser(s), one or a plurality of blue light semiconductor laser(s) and a beam combining device, wherein the beams outputted by the green light laser, one or the plurality of red light semiconductor laser(s), and one or the plurality of blue light semiconductor laser(s) are combined into a beam of parallel lights and outputted through the beam combining device. The laser light supply apparatus overcomes the defects of high cost and serious speckle, and the like of large power red light and blue light lasers in the current projection laser light supply, and realizes a low-cost red-green-blue three-basic color light supply module. Both the radiating performance and stability of the light supply module are greatly improved; and the light supply module has very high application values.
Description
Technical field
The utility model relates to a kind of LASER Light Source technology, a kind of specifically laser light-source device that is used for Projection Display.
Background technology
Existing optical projection system lighting source is used mainly contains ultrahigh pressure mercury lamp, metal halide lamp, xenon lamp, Halogen lamp LED etc., the spectrum of these illuminating sources is continuous or banded spectrum, and Projection Display needed mainly be three kinds of coloured light of red, green, blue, therefore only some is projected the display system utilization to the luminous energy that these light sources sent, optical energy utilization efficiency is very low, and the intensity distributions of its red, green, blue three primary colours is all undesirable, is not the lighting requirement that meets very much big colour gamut Projection Display.At present, along with the maturation of led technology, also have and adopt light emitting diode to occur as the optical projection system of light source, compare with traditional various bulb projection light sources, light emitting diode has the color saturation of bigger gamut range and Geng Gao, and the life-span is long, energy consumption is low.But because light emitting diode is an area source, its optical extend is big, therefore exists the efficiency of light energy utilization low in the Projection Display lighting engineering, and defectives such as the total brightness deficiency of output can't satisfy the demand that high-brightness projection shows.
Lasing fluorescence is a line spectrum, and color saturation is very high, and laser has advantages such as high brightness, photoelectric transformation efficiency height, life-span be long, so it has the incomparable advantage of other light source in field of projection display as lighting source.In present minority is that the laser instrument that adopts kinds such as all solid state laser, gas laser as light source more in the projection display system of light source with laser, and there is the cost height in these light sources, and volume is big, realizes shortcomings such as high-power technical difficulty is big.
The utility model content
At above shortcomings part in the prior art, the technical problems to be solved in the utility model provides a kind of laser light-source device that is used for Projection Display with high brightness, high color saturation.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is:
A kind of laser light-source device that is used for Projection Display of the utility model comprises green (light) laser, one or more red light semiconductor lasers, one or more blue-light semiconductor laser instrument and beam merging apparatus, wherein, the light of green (light) laser, one or more red light semiconductor lasers and the output of one or more blue-light semiconductor laser instruments synthesizes a branch of directional light output through beam merging apparatus.
Described beam merging apparatus has the 1st, 2 reflector group, collimation lens, the 1st, 2 focussed collimated lens combination and the 1st, 2 and closes the look eyeglass, wherein the 1st, 2 reflector group are arranged in the mode that can export parallel rays, the normal of each catoptron in each group is parallel to each other, and is ladder and arranges; 1st, 2 reflector group receive the incident light of red light semiconductor laser and blue-light semiconductor laser instrument respectively, and reflected light incides the 1st, 2 respectively and closes on the look eyeglass after the 1st, 2 focusing/collimation lens set converge; The laser of green (light) laser incident is transmitted to the 1st, 2 successively through collimation lens and closes on the look eyeglass.
Described the 1st, 2 reflector group are installed on the reflector mount, and the installed surface of reflector mount is the ladder form; Described reflecting optics surface is coated with the highly reflecting films to visible light, and mirror surface is plane or cylinder; Described the 1st, 2 focusing/collimation lens set are made up of the eyeglass that two surfaces are coated with the visible light anti-reflection film; Described collimation lens surface is coated with the green glow anti-reflection film; The described the 1st closes the dichroic coating that the look lens surface is coated with the transmit green reflect blue, and the 2nd closes the dichroic coating that the look lens surface is coated with transmit blue green glow reflect red; The quantity of described red light semiconductor laser or blue-light semiconductor laser instrument is 1～30; Described green (light) laser is all solid state laser of optical fiber coupling output.
The utlity model has following beneficial effect and advantage:
The utility model laser light-source device has overcome high-power ruddiness in the existing projection LASER Light Source, blue laser cost height, defectives such as speckle is serious, utilize that the ruddiness of present product comparative maturity and blue light single tube semiconductor laser array are luminous to close the bundle shaping, and the optical fiber output all-solid-state green (light) laser that adds present technology maturation closes bundle, realized red-green-blue light source module cheaply, the heat dispersion of this light source module and stability have all obtained improving significantly, and can expand the luminous general power of light supply apparatus very easily according to the brightness needs of optical projection system, therefore widely applicable in the laser light projection display system of reality, have very high using value.
Description of drawings
Fig. 1 is the axle geodesic structure synoptic diagram that waits of the present utility model;
Fig. 2 arranges the structural representation of light combination mirror group for ladder;
Fig. 3 is the last TV structure figure of LASER Light Source module;
Fig. 4 uses light path synoptic diagram of the present utility model in one chip DLP (Digital Light Projection) projection display system;
Fig. 5 uses light path synoptic diagram of the present utility model in three-sheet type LCOS (Liquid Crystal On Silicon, liquid crystal on silicon) projection display system.
Wherein: 101 is red light semiconductor laser, 102 is the blue-light semiconductor laser instrument, 103 is green (light) laser, 104 is the non-sphere collimation mirror sheet, 105a, 105b is the 1st, 2 reflecting optics groups, 106 is optical fiber, 107 is optical fiber head, 108 is the green glow collimation lens, 109 is condenser lens, and 110 is collimation lens, and 111 close look eyeglass (the 1st closes the look eyeglass) for the transmit green reflect blue, 112 close look eyeglass (the 2nd closes the look eyeglass) for transmit green blu-ray reflection ruddiness, 201 are ladder arrangement reflector mount, and 401 is coupled lens, and 402 is optical tunnel, 403 is the relay objective group, 404 is catoptron, and 405 is concave mirror, and 406 is Digital Micromirror Device (Digital Micro-Mirror Device, be called for short DMD), 407 is the projection objective group, and 501 is coupled lens, and 502 is optical tunnel, 503 is relay objective, 504 is plane mirror, and 505 is field lens, and 506 is blue LCOS (Liquid Crystal On Silicon, liquid crystal on silicon) chip, 507 is red LCOS chip, and 508 is green LCOS chip, and 509 is the color-separation and color-recombination prism, 510 is zoom projection lens, and 511 is polaroid.
Embodiment
As shown in Figure 1, the laser light-source device that the utility model is used for Projection Display comprises green (light) laser 103, one or more red light semiconductor lasers 101, one or more blue-light semiconductor laser instrument 102 and beam merging apparatus, wherein, the light of green (light) laser 103, one or more red light semiconductor lasers 101 and 102 outputs of one or more blue-light semiconductor laser instruments synthesizes a branch of directional light output through beam merging apparatus.Beam merging apparatus has the 1st, 2 reflector group 105a, 105b, collimation lens the 108, the 1st, 2 focussed collimated lens combination and the 1st, 2 are closed look eyeglass 111,112, wherein the 1st, 2 reflector group 105a, 105b arrange in the mode that can export parallel rays, the normal of each catoptron in each group is parallel to each other, and is ladder and arranges; 1st, 2 reflector group 105a, 105b receive the incident light of red light semiconductor laser 101 and blue-light semiconductor laser instrument 102 respectively, and reflected light incides the 1st, 2 respectively and closes on the look eyeglass 111,112 after the 1st, 2 focusing/collimation lens set converge; The laser of green (light) laser 103 incidents is transmitted to the 1st, 2 successively through collimation lens 108 and closes on the look eyeglass 111,112.
In the present embodiment, red light semiconductor laser 101 (or blue-light semiconductor laser instrument) is the ruddiness single tube of T0 encapsulation, 15 same red light semiconductor lasers 101 are lined up array, a slice all is housed before each laser instrument is coated with aspheric surface collimation lens 104 the ruddiness anti-reflection film, the optical alignment that it sends laser tube is parallel beam output, accumulate a branch of quadrate beam behind the catoptron of each light beam through the ladder arrangement, pass through the focussed collimated lens combination again and (comprise that two surfaces are coated with the eyeglass 109 of visible light anti-reflection film, 110) after the focusing collimation lens group of Zu Chenging, be compressed into thinner a branch of parallel beam and incide and close on the look eyeglass 112.In like manner, the laser that sends of blue-light semiconductor laser array closes on the look eyeglass 111 through also becoming a branch of parallel beam output behind the same beam merging apparatus and inciding.After green laser is exported by optical fiber head 107, through becoming the parallel beam of a branch of circle behind the collimation lens 108, and see through the 1st of transmit green reflect blue and close look eyeglass 111, with be combined into a branch of light by the blue light of its reflection, reenter and be mapped to the 2nd of transmit green, blu-ray reflection ruddiness and close look eyeglass 112, synthesize a branch of parallel beam that comprises ruddiness, green glow and blue light with the ruddiness that is closed 112 reflections of look eyeglass then and export.
Fig. 2 arranges the structural representation of reflector group for ladder, and the effect of ladder reflector group is that original tool collimated laser beam at regular intervals also is beam of laser very close to each other through the reflection back.Because the reflector group that has adopted ladder to arrange, spacing between each semiconductor laser tube can suitably strengthen, guaranteed that like this semiconductor laser has enough installation sites, also made semiconductor laser array have good performance of heat dissipation, for a long time steady operation.Fig. 3 is the last TV structure synoptic diagram of the utility model light source module, can see the trend and the structure of light path.
Fig. 4 is the specific embodiment that uses a kind of projection display system light path of the present utility model in monolithic DLP ray machine.Comprise red light semiconductor laser 101, blue-light semiconductor laser instrument 102, all solid state green (light) laser 103, non-sphere collimation mirror sheet 104, reflecting optics 105, optical fiber 106, optical fiber head 107, green glow collimation lens 108, condenser lens 109, collimation lens 110, the transmit green reflect blue close look eyeglass 111 (the 1st closes the look eyeglass), transmit green, blu-ray reflection ruddiness close look eyeglass 112 (the 2nd closes the look eyeglass), even optically-coupled lens 401, optical tunnel 402, relay objective group 403, catoptron 404, concave mirror 405, Digital Micromirror Device 406 Oigital Micro-Mirror Device are called for short DMD), projection objective group 407.In the present embodiment, red light semiconductor laser 101, blue-light semiconductor laser instrument 102, the timesharing after ovennodulation of all solid state green (light) laser 103 takes turns the collimated laser beam of three kinds of colors of outgoing red, green, blue, this parallel beam enters optical tunnel 402 through behind the coupled lens 401, through entering relay objective group 403 behind the optical tunnel 402 even light, incide plane mirror 404 then, incide Digital Micromirror Device 406 surfaces after inciding concave mirror 405 after reflection, after the DMD modulation, incide projection objective group 407 and realize Projection Display.
Fig. 5 is the specific embodiment that uses a kind of projection display system light path of the present utility model in the three-sheet type LCOS ray machine.Three kinds of laser of the red, green, blue that present embodiment light source module sends close parallel beam process even optically-coupled lens 501, optical tunnel 502 and the relay objective group 503,505 behind the look, enter in the X prism colour splitting system after partially through 511 of polaroids again, after passing through the modulation of three kinds of LCOS chips of red, green, blue 506,507,508 respectively, three kinds of colors synthesize a branch of light again and enter zoom projection lens 510, realize the output of Projection Display.
Claims (9)
1. laser light-source device that is used for Projection Display, it is characterized in that: comprise green (light) laser (103), one or more red light semiconductor lasers (101), one or more blue-light semiconductor laser instrument (102) and beam merging apparatus, wherein, the light of green (light) laser (103), one or more red light semiconductor lasers (101) and the output of one or more blue-light semiconductor laser instruments (102) synthesizes a branch of directional light output through beam merging apparatus.
2. by the described laser light-source device that is used for Projection Display of claim 1, it is characterized in that: described beam merging apparatus has the 1st, 2 reflector group (105a, 105b), collimation lens (108), the 1st, 2 focussed collimated lens combination (109,110) and the 1st, 2 and closes look eyeglass (111,112), wherein the 1st, 2 reflector group (105a, 105b) are arranged in the mode that can export parallel rays, the normal of each catoptron in each group is parallel to each other, and is ladder and arranges; 1st, 2 reflector group (105a, 105b) receive the incident light of red light semiconductor laser (101) and blue-light semiconductor laser instrument (102) respectively, and reflected light incides the 1st, 2 respectively and closes on the look eyeglass (111,112) after the 1st, 2 focusing/collimation lens set (109,110) converge; The laser of green (light) laser (103) incident is transmitted to the 1st, 2 successively through collimation lens (108) and closes on the look eyeglass (111,112).
3. by the described laser light-source device that is used for Projection Display of claim 2, it is characterized in that: described the 1st, 2 reflector group (105a, 105b) are installed on the reflector mount (201), and the installed surface of reflector mount (201) is the ladder form.
4. by the described laser light-source device that is used for Projection Display of claim 2, it is characterized in that: described reflecting optics (104) surface is coated with the highly reflecting films to visible light, and mirror surface is plane or cylinder.
5. by the described laser light-source device that is used for Projection Display of claim 2, it is characterized in that: described the 1st, 2 focusing/collimation lens set are made up of the eyeglass that two surfaces are coated with the visible light anti-reflection film.
6. by the described laser light-source device that is used for Projection Display of claim 2, it is characterized in that: described collimation lens (108) surface is coated with the green glow anti-reflection film.
7. by the described laser light-source device that is used for Projection Display of claim 2, it is characterized in that: the described the 1st closes the dichroic coating that look eyeglass (111) surface is coated with the transmit green reflect blue, and the 2nd closes the dichroic coating that look eyeglass (112) surface is coated with transmit blue green glow reflect red.
8. by the described laser light-source device that is used for Projection Display of claim 2, it is characterized in that: the quantity of described red light semiconductor laser (101) or blue-light semiconductor laser instrument (102) is 1～30.
9. by the described laser light-source device that is used for Projection Display of claim 2, it is characterized in that: described green (light) laser (103) is all solid state laser of optical fiber coupling output.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206880093U CN201886268U (en) | 2010-12-29 | 2010-12-29 | Laser light supply apparatus used for projection display |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206880093U CN201886268U (en) | 2010-12-29 | 2010-12-29 | Laser light supply apparatus used for projection display |
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| CN201886268U true CN201886268U (en) | 2011-06-29 |
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| CN2010206880093U Expired - Lifetime CN201886268U (en) | 2010-12-29 | 2010-12-29 | Laser light supply apparatus used for projection display |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102904161A (en) * | 2012-09-27 | 2013-01-30 | 夏云 | High-power integrated laser light source |
| CN103775869A (en) * | 2012-10-18 | 2014-05-07 | 索尼公司 | Light source apparatus and image display apparatus |
| CN104765242A (en) * | 2015-05-05 | 2015-07-08 | 湖北久之洋红外系统股份有限公司 | High-brightness tricolor laser light source optical system compounded by large aperture spliced by multiple apertures |
| WO2017118349A1 (en) * | 2016-01-08 | 2017-07-13 | 深圳市光峰光电技术有限公司 | Reflector assembly fixing apparatus for optical system and light source device |
| CN107153319A (en) * | 2017-07-14 | 2017-09-12 | 日立数字映像(中国)有限公司 | A kind of combination unit of the use LASER Light Source of projecting apparatus |
| WO2018010224A1 (en) * | 2016-07-14 | 2018-01-18 | 北京凯普林光电科技股份有限公司 | Laser beam combiner |
| EP3306375A1 (en) * | 2016-10-07 | 2018-04-11 | Christie Digital Systems USA, Inc. | An apparatus for combining light beams |
| CN109541878A (en) * | 2018-12-07 | 2019-03-29 | 合肥翰视激光科技有限公司 | A kind of transmission of projection light source and light mixing, even photosystem |
| CN110673431A (en) * | 2019-10-18 | 2020-01-10 | 成都航天科工微电子系统研究院有限公司 | Light path system of high lumen light engine |
| CN111384668A (en) * | 2018-12-29 | 2020-07-07 | Tcl集团股份有限公司 | Laser light source module and laser projection system |
| CN111679543A (en) * | 2018-03-16 | 2020-09-18 | 青岛海信激光显示股份有限公司 | Laser projection device |
| CN112993740A (en) * | 2019-12-02 | 2021-06-18 | 夏普福山激光株式会社 | Laser device |
-
2010
- 2010-12-29 CN CN2010206880093U patent/CN201886268U/en not_active Expired - Lifetime
Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102904161B (en) * | 2012-09-27 | 2014-08-13 | 夏云 | High-power integrated laser light source |
| CN102904161A (en) * | 2012-09-27 | 2013-01-30 | 夏云 | High-power integrated laser light source |
| CN103775869A (en) * | 2012-10-18 | 2014-05-07 | 索尼公司 | Light source apparatus and image display apparatus |
| US9395611B2 (en) | 2012-10-18 | 2016-07-19 | Sony Corporation | Light source apparatus and image display apparatus |
| US9575401B2 (en) | 2012-10-18 | 2017-02-21 | Sony Corporation | Light source apparatus and image display apparatus |
| CN104765242A (en) * | 2015-05-05 | 2015-07-08 | 湖北久之洋红外系统股份有限公司 | High-brightness tricolor laser light source optical system compounded by large aperture spliced by multiple apertures |
| CN104765242B (en) * | 2015-05-05 | 2017-04-12 | 湖北久之洋红外系统股份有限公司 | High-brightness tricolor laser light source optical system compounded by large aperture spliced by multiple apertures |
| WO2017118349A1 (en) * | 2016-01-08 | 2017-07-13 | 深圳市光峰光电技术有限公司 | Reflector assembly fixing apparatus for optical system and light source device |
| WO2018010224A1 (en) * | 2016-07-14 | 2018-01-18 | 北京凯普林光电科技股份有限公司 | Laser beam combiner |
| EP3306375A1 (en) * | 2016-10-07 | 2018-04-11 | Christie Digital Systems USA, Inc. | An apparatus for combining light beams |
| CN107153319A (en) * | 2017-07-14 | 2017-09-12 | 日立数字映像(中国)有限公司 | A kind of combination unit of the use LASER Light Source of projecting apparatus |
| CN107153319B (en) * | 2017-07-14 | 2023-09-19 | 日立数字映像(中国)有限公司 | Combination device for projector by adopting laser light source |
| CN111679543A (en) * | 2018-03-16 | 2020-09-18 | 青岛海信激光显示股份有限公司 | Laser projection device |
| CN109541878A (en) * | 2018-12-07 | 2019-03-29 | 合肥翰视激光科技有限公司 | A kind of transmission of projection light source and light mixing, even photosystem |
| CN111384668A (en) * | 2018-12-29 | 2020-07-07 | Tcl集团股份有限公司 | Laser light source module and laser projection system |
| CN110673431A (en) * | 2019-10-18 | 2020-01-10 | 成都航天科工微电子系统研究院有限公司 | Light path system of high lumen light engine |
| CN112993740A (en) * | 2019-12-02 | 2021-06-18 | 夏普福山激光株式会社 | Laser device |
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Granted publication date: 20110629 |
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