CN103399452A - Light source device of projector - Google Patents
Light source device of projector Download PDFInfo
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- CN103399452A CN103399452A CN2013103764667A CN201310376466A CN103399452A CN 103399452 A CN103399452 A CN 103399452A CN 2013103764667 A CN2013103764667 A CN 2013103764667A CN 201310376466 A CN201310376466 A CN 201310376466A CN 103399452 A CN103399452 A CN 103399452A
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Abstract
The invention discloses a light source device of a projector. The light source device is characterized by comprising a blue light generation part, a red light generation part, a green light generation part and a light combining device, wherein the blue light generation part is constituted by a blue light LED (light-emitting diode) light source component and a fourth lens group arranged at the front end of the blue light LED light source component; the red light generation part is constituted by a red light LED light source component and a third lens group arranged at the front end of the red light LED light source component; the green light generation part comprises a blue laser generation part, a fluorescence excitation part and a first dichroic mirror placed between the blue laser generation part and the fluorescence excitation part; and blue light, red light and green light are gathered into a light-combined light beam on a same light shaft through a light combining effect of the light combining device to be irradiated on a light bar. The three-color light produced by the device has good color saturation, high luminous flux and high illuminance, so that the luminescence brightness of the projector is effectively upgraded and an excellent viewing effect is achieved. In addition, due to the simple structure, the convenience in production and the low cost, the device is suitable for extensive popularization.
Description
Technical field
The present invention relates to a kind of projector light source device.
Background technology
the projector of selling in the market, generally also use ultrahigh pressure mercury lamp as principal light source, its not only the life-span short, and the later stage replacement cost is also expensive, and also environmental pollution is very serious, the shortcoming that simple LED light source exists is that the luminescence efficiency on unit area is not enough, the super-portable projector of 1 kilogram of left and right, brightness is only also 500 lumens, can't meet the requirement of home projector to brightness and chromaticity, simple LASER Light Source luminous power is higher, work long hours easily to the colour wheel injury, the pure laser projection product that sell in the Yi Zai city, what they adopted is single blue laser light source, blueness and green are all from same blue laser, and this technology drawback, the picture color domain coverage ratio that causes machine to project is less can't reach the high-quality color rendition.And the angle of divergence of LASER Light Source is very little, therefore wants to form uniform projected picture also more difficult, is easy to occur the hot spot problem in picture.
Adopt laser and the LED hybrid light source can set laser and the advantage of LED, both realized high brightness, have again long-life characteristics, environmentally safe.In addition, laser+LED hybrid light source can also be brought up remarkable color rendition performance, allows color play up more bright, gorgeous.High-purity color vision effect also can produce more real image effect, creates the incomparable visual experience clearly of traditional projector.Thereby a kind of novel projector light source device is badly in need of being developed.
Summary of the invention
The present invention is directed to the proposition of above problem, and develop a kind of projector light source device.Adopt laser diode light source to produce the high power blue laser, during blue laser irradiation fluorescence colour wheel area of illumination piece, the fluorescent powder of the illumination block generation green glow that is stimulated, the be stimulated red light that the green glow that produces and LED-R light source produce, the blue light of LED-B light source generation of fluorescent powder converges the effect of carrying out the even light of light beam with the reflection of optical wand through Multiplexing apparatus, produce after mixing to close light light beam color more bright-coloured, the most effectively brightness is homogenising more.The technical solution used in the present invention is as follows:
A kind of projector light source device is characterized in that comprising: blue light generating unit, ruddiness generating unit, green glow generating unit and Multiplexing apparatus; Described blue light generating unit consists of blue-ray LED light source assembly and the 4th lens combination that is arranged on blue-ray LED light source assembly front end; Described ruddiness generating unit consists of red-light LED light source component and the 3rd lens combination that is arranged on the red-light LED light source component front end; Described green glow generating unit comprise blue laser generating unit, fluorescence excitation section and be placed on the blue laser generating unit and fluorescence excitation section between first liang to dichronic mirror, described blue laser generating unit consists of laser diode module and the first lens group that is arranged on the laser diode module front end, and described fluorescence excitation section consists of fluorescence colour wheel and the second lens combination of being arranged on fluorescence colour wheel front end; The blue laser of described blue laser generating unit emission sees through first liang and is radiated in fluorescence excitation section after dichronic mirror, and the be stimulated green glow of rear generation of fluorescence excitation section is radiated on Multiplexing apparatus after the dichronic mirror reflection through first liang; Be provided with second liang to dichronic mirror between described blue light generating unit and ruddiness generating unit, described blue light generating unit is arranged on second liang of side to dichronic mirror, and described ruddiness generating unit is arranged on second liang of upper end to dichronic mirror; The ruddiness of described ruddiness generating unit emission sees through second liang and is radiated on Multiplexing apparatus after dichronic mirror to dichronic mirror and first liang; The blue light of described blue light generating unit emission sees through first liang through second liang again to the dichronic mirror reflection and is radiated on Multiplexing apparatus after dichronic mirror; Described blue light, ruddiness and green glow assemble and close the light light beam irradiates on optical wand at same optical axis through closing after light action of Multiplexing apparatus.Described fluorescence excitation section consists of the face equipment that the illumination block fills the lasting High Rotation Speed of fluorescent powder.Described optical wand is photoconductive tube.
Compared with the existing technology projector light source device of the present invention is a little apparent, the fluorescent powder that arranges on the high brightness irradiation fluorescence colour wheel that LASER Light Source has, can use and inspire green glow, again cooperated with LED-R and LED-B institute luminous Red and blue light, three color of light that institute's light supply apparatus of the present invention is produced have good color saturation and high light flux and high illumination, thereby effectively promote the luminosity of projector, reach fabulous viewing effect.In addition,, because it is simple in structure, not only be convenient to produce, and cost is very cheap is suitable for extensive popularization.
Description of drawings
Fig. 1 is the embodiment light path schematic diagram of projector light source device of the present invention;
Fig. 2 is the sensitive surface schematic diagram of the iridescent wheel panel of projector light source device of the present invention.
Embodiment
A kind of projector light source device as shown in Figure 1 comprises: blue light generating unit, ruddiness generating unit, green glow generating unit and Multiplexing apparatus; Described blue light generating unit consists of blue-ray LED light source assembly and the 4th lens combination that is arranged on blue-ray LED light source assembly front end; Described ruddiness generating unit consists of red-light LED light source component and the 3rd lens combination that is arranged on the red-light LED light source component front end; Described green glow generating unit comprise blue laser generating unit, fluorescence excitation section and be placed on the blue laser generating unit and fluorescence excitation section between first liang to dichronic mirror, described blue laser generating unit consists of laser diode module and the first lens group that is arranged on the laser diode module front end, and described fluorescence excitation section consists of fluorescence colour wheel and the second lens combination of being arranged on fluorescence colour wheel front end; The blue laser of described blue laser generating unit emission sees through first liang and is radiated in fluorescence excitation section after dichronic mirror, and the be stimulated green glow of rear generation of fluorescence excitation section is radiated on Multiplexing apparatus after the dichronic mirror reflection through first liang; Be provided with second liang to dichronic mirror between described blue light generating unit and ruddiness generating unit, described blue light generating unit is arranged on second liang of side to dichronic mirror, and described ruddiness generating unit is arranged on second liang of upper end to dichronic mirror; The ruddiness of described ruddiness generating unit emission sees through second liang and is radiated on Multiplexing apparatus after dichronic mirror to dichronic mirror and first liang; The blue light of described blue light generating unit emission sees through first liang through second liang again to the dichronic mirror reflection and is radiated on Multiplexing apparatus after dichronic mirror; The bottom of described Multiplexing apparatus also is provided with optical wand, blue light, ruddiness and green glow assemble and close the light light beam irradiates on optical wand at same optical axis through closing after light action of Multiplexing apparatus, described fluorescence excitation section consists of the face equipment that the illumination block fills the lasting High Rotation Speed of fluorescent powder, and described optical wand is photoconductive tube.
Below by an example (by reference to the accompanying drawings 1), structure of the present invention is described further.Illuminating source consists of laser diode module 1, red-light LED light source component 8, blue-ray LED light source assembly 14.Whole light supply apparatus consists of to dichronic mirror 11, fluorescence colour wheel 7, optical wand 17, Multiplexing apparatus (lens 15 and lens 16, consisting of) to dichronic mirror 4, second liang laser diode module 1, red-light LED light source component 8, blue-ray LED light source assembly 14, first lens group (lens 2 and lens 3, consisting of), the second lens combination (lens 5 and lens 6, consisting of), the 3rd lens combination (lens 9 and lens 10, consisting of), the 4th lens combination (lens 12 and lens 13, consisting of), first liang.
At first, be stimulated and produce high power blue laser b after laser diode module 1 energising, blue laser b through the first lens group converge with proofread and correct after arrive first liang to dichronic mirror 4, first liang is ruddiness and blue light to be had the dichronic mirror of high permeability, green glow high reflectance to dichronic mirror 4, blue laser b sees through first liang and focuses on the illumination block 18 of fluorescence colour wheel 7 through converging of the second lens combination after dichronic mirror 4, and fluorescence colour wheel 7 is mainly to be filled the face equipment (as shown in Figure 2) of the lasting High Rotation Speed of fluorescent powder by the illumination block.After illumination block 18 is subjected to the irradiation of high power blue laser b, fluorescence molecule is stimulated and produces green glow G, green glow G arrives first liang again on dichronic mirror 4 after the second lens combination, due to first liang, to 4 couples of green glow G of dichronic mirror, reflex is arranged, and green glow G is reflected onto Multiplexing apparatus.The ruddiness R that red-light LED light source component 8 produces arrives second liang to dichronic mirror 11 after the converging of the 3rd lens combination, second liang is to have high transmittance blue light B to be had the dichronic mirror of highly reflective to ruddiness R to dichronic mirror 11, ruddiness R sees through second liang to first liang of the rear arrival of dichronic mirror 11 to dichronic mirror 4, to 4 couples of ruddiness R of dichronic mirror, high permeability is arranged due to first liang, ruddiness R can most ofly see through first liang and arrive Multiplexing apparatus to dichronic mirror 4.the blue light B that blue-ray LED light source assembly 14 produces arrives second liang on dichronic mirror 11 after the effect of converging of the 4th lens combination, due to second liang of characteristic that high reflectance is arranged to 11 couples of blue light B of dichronic mirror, blue light B arrives first liang through second liang on dichronic mirror 4 after dichronic mirror 11 reflections, due to first liang of characteristic that high permeability is arranged to 4 couples of blue light B of dichronic mirror, blue light B forms three primary colors light beam with G light and R light through first liang after the seeing through of dichronic mirror 4, the light action that closes through Multiplexing apparatus assembles closing the light light beam and arriving optical wand 17 at same optical axis, optical wand 17 is photoconductive tubes, close the even light action of light light beam with reflection of light, receive the ruddiness R that red-light LED light source component 8 produces, the laser b irradiation colour wheel 7 illumination blocks that the blue light B that blue-ray LED light source assembly 14 produces and laser diode module 1 produce produce green glow G, produce after mixing to close light light beam color more bright-coloured, can effectively improve the lumen brightness of described projector.And laser diode module and LED light source all have the characteristics of long environmentally safe of life-span, so the present invention has significant advantage for conventional projector.
The above; only be the better embodiment of the present invention; but protection scope of the present invention is not limited to this; anyly be familiar with those skilled in the art in the technical scope that the present invention discloses; be equal to replacement or changed according to technical scheme of the present invention and inventive concept thereof, within all should being encompassed in protection scope of the present invention.
Claims (3)
1. a projector light source device, is characterized in that comprising: blue light generating unit, ruddiness generating unit, green glow generating unit and Multiplexing apparatus;
Described blue light generating unit consists of blue-ray LED light source assembly and the 4th lens combination that is arranged on blue-ray LED light source assembly front end;
Described ruddiness generating unit consists of red-light LED light source component and the 3rd lens combination that is arranged on the red-light LED light source component front end;
Described green glow generating unit comprise blue laser generating unit, fluorescence excitation section and be placed on the blue laser generating unit and fluorescence excitation section between first liang to dichronic mirror, described blue laser generating unit consists of laser diode module and the first lens group that is arranged on the laser diode module front end, and described fluorescence excitation section consists of fluorescence colour wheel and the second lens combination of being arranged on fluorescence colour wheel front end; The blue laser of described blue laser generating unit emission sees through first liang and is radiated in fluorescence excitation section after dichronic mirror, and the be stimulated green glow of rear generation of fluorescence excitation section is radiated on Multiplexing apparatus after the dichronic mirror reflection through first liang;
Be provided with second liang to dichronic mirror between described blue light generating unit and ruddiness generating unit, described blue light generating unit is arranged on second liang of side to dichronic mirror, and described ruddiness generating unit is arranged on second liang of upper end to dichronic mirror; The ruddiness of described ruddiness generating unit emission sees through second liang and is radiated on Multiplexing apparatus after dichronic mirror to dichronic mirror and first liang; The blue light of described blue light generating unit emission sees through first liang through second liang again to the dichronic mirror reflection and is radiated on Multiplexing apparatus after dichronic mirror;
Described blue light, ruddiness and green glow assemble and close the light light beam irradiates on optical wand at same optical axis through closing after light action of Multiplexing apparatus.
2. a kind of projector light source device according to claim 1 is characterized in that: described fluorescence excitation section consists of the face equipment that the illumination block fills the lasting High Rotation Speed of fluorescent powder.
3. a kind of projector light source device according to claim 1, it is characterized in that: described optical wand is photoconductive tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013103764667A CN103399452A (en) | 2013-08-23 | 2013-08-23 | Light source device of projector |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013103764667A CN103399452A (en) | 2013-08-23 | 2013-08-23 | Light source device of projector |
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| CN103399452A true CN103399452A (en) | 2013-11-20 |
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| CN2013103764667A Pending CN103399452A (en) | 2013-08-23 | 2013-08-23 | Light source device of projector |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104808424A (en) * | 2014-01-23 | 2015-07-29 | 深圳市绎立锐光科技开发有限公司 | Light source applied to projection device, and projection device comprising same |
| WO2019080450A1 (en) * | 2017-10-23 | 2019-05-02 | 广景视睿科技（深圳）有限公司 | Blended color lighting module, projection module, and projection instrument |
| CN110501287A (en) * | 2018-05-19 | 2019-11-26 | 梅特勒-托利多仪器（上海）有限公司 | Light channel structure |
| CN113568265A (en) * | 2021-08-11 | 2021-10-29 | 四川长虹电器股份有限公司 | Projection lighting system |
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| US20120062857A1 (en) * | 2010-01-29 | 2012-03-15 | Hiroyuki Saitou | Illumination optical system and projector using the same |
| CN102540678A (en) * | 2010-12-14 | 2012-07-04 | 卡西欧计算机株式会社 | Light source unit and projector |
| JP2013011651A (en) * | 2011-06-28 | 2013-01-17 | Casio Comput Co Ltd | Projector |
| US20130033683A1 (en) * | 2011-08-03 | 2013-02-07 | Hon Hai Precision Industry Co., Ltd. | Light source device and projector |
| CN102955340A (en) * | 2011-08-29 | 2013-03-06 | 鸿富锦精密工业（深圳）有限公司 | Light source device of projector |
| CN103019017A (en) * | 2011-09-26 | 2013-04-03 | 三洋电机株式会社 | Projection display apparatus |
| CN103091954A (en) * | 2011-11-02 | 2013-05-08 | 鸿富锦精密工业（深圳）有限公司 | Lighting device of projector |
| CN103090320A (en) * | 2013-01-23 | 2013-05-08 | 海信集团有限公司 | Wavelength convertor, light source device and projector |
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2013
- 2013-08-23 CN CN2013103764667A patent/CN103399452A/en active Pending
Patent Citations (9)
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| US20120062857A1 (en) * | 2010-01-29 | 2012-03-15 | Hiroyuki Saitou | Illumination optical system and projector using the same |
| EP2530520A1 (en) * | 2010-01-29 | 2012-12-05 | NEC Display Solutions, Ltd. | Illumination optical system and projector using same |
| CN102540678A (en) * | 2010-12-14 | 2012-07-04 | 卡西欧计算机株式会社 | Light source unit and projector |
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| US20130033683A1 (en) * | 2011-08-03 | 2013-02-07 | Hon Hai Precision Industry Co., Ltd. | Light source device and projector |
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| CN103019017A (en) * | 2011-09-26 | 2013-04-03 | 三洋电机株式会社 | Projection display apparatus |
| CN103091954A (en) * | 2011-11-02 | 2013-05-08 | 鸿富锦精密工业（深圳）有限公司 | Lighting device of projector |
| CN103090320A (en) * | 2013-01-23 | 2013-05-08 | 海信集团有限公司 | Wavelength convertor, light source device and projector |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104808424A (en) * | 2014-01-23 | 2015-07-29 | 深圳市绎立锐光科技开发有限公司 | Light source applied to projection device, and projection device comprising same |
| CN104808424B (en) * | 2014-01-23 | 2017-11-07 | 深圳市光峰光电技术有限公司 | For the light source of projector equipment and the projector equipment including it |
| WO2019080450A1 (en) * | 2017-10-23 | 2019-05-02 | 广景视睿科技（深圳）有限公司 | Blended color lighting module, projection module, and projection instrument |
| CN110501287A (en) * | 2018-05-19 | 2019-11-26 | 梅特勒-托利多仪器（上海）有限公司 | Light channel structure |
| CN113568265A (en) * | 2021-08-11 | 2021-10-29 | 四川长虹电器股份有限公司 | Projection lighting system |
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Application publication date: 20131120 |