CN102955240A - Light source device of projector - Google Patents
Light source device of projector Download PDFInfo
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- CN102955240A CN102955240A CN2011102507036A CN201110250703A CN102955240A CN 102955240 A CN102955240 A CN 102955240A CN 2011102507036 A CN2011102507036 A CN 2011102507036A CN 201110250703 A CN201110250703 A CN 201110250703A CN 102955240 A CN102955240 A CN 102955240A
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- light
- light source
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- projector
- laser
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Abstract
The invention provides a light source device of a projector. The light source device comprises a light source group, a light combination device, a light guide component, a prism group, a digital micro-mirror display device and a projection lens group, wherein the light source group comprises a light emitting diode (LED) light source, a laser light source and a color wheel; the LED light source generates a first color light; the laser light source generates a second color light and irradiates the color wheel to generate a third color light; and after the light guide component mixes the three color lights via the light combination device, the mixed color light is projected on the digital micro-mirror display device by the prism group and then is refracted on the projection lens group. The light source device has the beneficial effect that the brightness of the projector can be promoted via the laser light source of the light source group.
Description
Technical field
The present invention relates to a kind of projector light source device, espespecially a kind of portable has associativity the projection of light source machine light supply apparatus.
Background technology
The light source that general projector uses, such as tungsten halogen lamp, metal halide lamp, ultrahigh pressure mercury lamp or xenon lamp etc., its common characteristic that has is overheated, high power consumption, low bulb life, volume is excessive, weight is gently not portable again.In recent years, electronic product development is with the trend development of " light, thin, short, little, cost is low ", the optical projector product is no exception, adopts, small volume less with relatively low power consumption, heating and long light emitting diode (LED) of life-span to be used as light source at the Lights section.But led light source is relatively relatively poor on the directive property of light and excitation, and the illumination mode of loose look also causes light utilization efficiency to reduce everywhere, and then causes the projection brightness of projector to promote.Although, for improving the low shortcoming of led light source illumination mode and utilization factor, and the laser LED light source that develops, still because of the restriction of technology, only have ruddiness comparatively maturation have market scale.Therefore, other color must utilize the frequency multiplication chip to change, its structure relative complex and high cost.So use at present the portable type projector of led light source, on projection brightness and color saturation, still have its shortcoming and difficulty to be overcome.
Summary of the invention
In view of this, be necessary to provide a kind of projector light source device that can increase the brightness of portable projector.
The invention provides a kind of projector light source device, it comprises a light source group, a Multiplexing apparatus, a leaded light component, a water chestnut mirror group, a digital micro-mirror display device and a projection lens group.Described light source group comprises a LED source, a LASER Light Source and a colour wheel, described LED source produces the first color of light, described LASER Light Source produces the second color of light, and shine described colour wheel and produce the 3rd color of light, after in addition mixed light is processed with described three color of light by described Multiplexing apparatus, described leaded light component, be projected on the described digital micromirror display device via described water chestnut mirror group, be folded to again to described projection lens group.
Compare prior art, projector light source device of the present invention, the high brightness that has by described LASER Light Source, the fluorescent powder that arranges on the corresponding described colour wheel, can use inspiring needed color of light, cooperate again described light emitting diode to compile the color of light of sending with lens, three color of light that described light supply apparatus is produced, have good color saturation and luminous intensity, thereby can effectively promote the luminosity of described projector.
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 colour wheel panel sensitive surface schematic diagram of the projector light source device of Fig. 1.
The main element symbol description
| |
10 |
| The |
11 |
| |
112 |
| First liang to |
1122 |
| Second liang to |
1124 |
| |
1126 |
| |
1128、1142、11602、1164、132 |
| LASER Light Source | 114 |
| |
1140 |
| Catoptron | 1144、11604、134 |
| |
116 |
| The |
1160 |
| The |
1162 |
| The |
1162a |
| The |
1162b |
| |
12 |
| Leaded |
13 |
| Water |
14 |
| The digital |
15 |
| The |
16 |
| Red light | R |
| Green light | G |
| Blue light | B |
Following embodiment further specifies the present invention in connection with above-mentioned accompanying drawing.
Embodiment
Below in conjunction with accompanying drawing the present invention being done one specifically introduces.
See also shown in Figure 1, embodiment light path schematic diagram for projector light source device of the present invention, described light supply apparatus 10, it comprises a light source group 11, a Multiplexing apparatus 12, a leaded light component 13, a water chestnut mirror group 14, a digital micro-mirror display device 15 and a projection lens group 16.Described light source group 11 mainly is to produce the primaries with high brightness, then by described Multiplexing apparatus 12 described primaries is assembled and closes the light light beam at same optical axis.Then be projected to described leaded light component 13 and carry out the described running of closing the even light of light light beam and eliminating hot spot with the refraction of light.Described leaded light component 13 is a photoconductive tube (Light Tunnel).Through the described light light beam that closes of described leaded light component 13, scioptics 132 and catoptron 134 guidings are projected to described water chestnut mirror group 14 again.Described water chestnut mirror group 14 is the reverse total internal reflection water chestnut mirrors (RTIR, Reverse Total Internal Reflection) that are combined to form by two water chestnut mirrors.Described water chestnut mirror group 14 is projected to the described light light beam that closes through dodging on the described digital micromirror display device 15 (DMD, Digital Micro-mirror Device) with total internal reflection first.Described digital micromirror display device 15 is in accepting describedly to consist of image strip after closing the light light beam, described image strip oppositely refracts to described projection lens group 16 by described water chestnut mirror group 14 again, thereby the image that described digital micromirror display device 15 consists of can be gone out by projection.
Described light source group 11 comprises a LED source 112, a LASER Light Source 114 and a colour wheel 116.Described LED source 112 produces the first color of light, and described LASER Light Source 114 produces the second color of light, and shines described colour wheel 116 generations the 3rd color of light.Present embodiment, described LED source 112 is red light emitting diodes, described the first color of light is red light R.The light path of described LED source 112, to pass be positioned at described LED source 112 front ends one first liang to dichronic mirror 1122 (DM, Dichroic Mirror) after, is positioned at one second liang of described Multiplexing apparatus 12 front ends to the described Multiplexing apparatus 12 of dichronic mirror 1124 refraction guiding.Described first liang has a lens combination 1126 between dichronic mirror 1122 and the described LED source 112, and described first and second two to having lens 1128 setting between the dichronic mirror 1122,1124, described lens combination 1126 and described lens 1128 are in order to assemble the red light R of described LED source 112.
Described LASER Light Source 114 comprises at least one laser generator 1140, and in order to produce the second color of light of laser beam, described the second color of light is blue light B.In the present embodiment, described LASER Light Source 114 is take several laser generators 1140 as one group, and 1140 groups of described laser generators form by six, produce the laser blue light B with higher brightness.Described laser generator 1140 front ends have lens 1142, and described lens 1142 make described laser blue light B concentrate the described colour wheel 116 of directive.1140 groups of the same sides that are positioned at described LED source 112 of laser generator described in the embodiment have catoptron 1144 and arrange to guide described laser blue light B directive described colour wheel 116.In the path of the described colour wheel 116 of described laser blue light B directive, directly pass described first liang to dichronic mirror 1122, described laser blue light B directly is projected on the described colour wheel 116.Described colour wheel 116 has at least one illumination block 1162 (as shown in Figure 2) for continuing the panel of rotation on the light receiving surface of described colour wheel 116 panels, the laser blue light B that described illumination block 1162 is produced by described LASER Light Source 114 shines.In the present embodiment, the surface of described colour wheel 116 panels has first an illumination block 1162a and second an illumination block 1162b, wherein said the first illumination block 1162a coating has fluorescence coating, and described the second illumination block 1162b then is a transparent block.Described the first illumination block 1162a and described the second illumination block 1162b form annular distribution on the surface of described colour wheel 116 panels.Described the first illumination block 1162a fluorescence coating is subjected to the laser blue light B irradiation of described LASER Light Source 114 can excite reflection to produce the 3rd color of light.Described the 3rd color of light is green light G, the light path of described green light G, lens 1164 directives by described colour wheel 116 panel light receiving surfaces one side be positioned at described LED source 112 front ends described first liang to dichronic mirror 1122.Described first liang to dichronic mirror 1122 can the described green light G directive of refraction another be positioned at described Multiplexing apparatus 12 front ends described second liang to dichronic mirror 1124, thereby described second liang can be directed to described Multiplexing apparatus 12 with described green light G refraction to dichronic mirror 1124.When described laser blue light B exposed to the transparent block of described the second illumination block 1162b, described laser blue light B can pass the back side (non-light receiving surface) that described the second illumination block 1162b arrives described colour wheel 116 panels.The back side of described colour wheel 116 has a mirror group 1160 and arranges, described mirror group 1160 in order to guide described laser blue light B pass after reflection be positioned at described Multiplexing apparatus 12 front ends described second liang to dichronic mirror 1124, make described laser blue light B be projected to described Multiplexing apparatus 12.In the present embodiment, described mirror group 1160 comprises three lens 11602 and two catoptrons 11604, wherein said two catoptrons, 11604 left and right being oppositely arranged, 11602 on described three lens are separately positioned between described two catoptrons 11604 and the front and back ends position, are projected to described Multiplexing apparatus 12 thereby can guide smoothly described laser blue light B.
Described Multiplexing apparatus 12 receives the red light R of the described LED source 112 of described light source group 11, and the laser blue light B of described LASER Light Source 114 high brightness and described colour wheel 116 light receiving surfaces are subjected to described LASER Light Source 114 to excite the green light G of generation, the described same optical axis that behind mixed light, produces close the light light beam, can use and improve described brightness of closing the light light beam.In other words, the primaries that described light source group 11 produces (red, blue, green color of light), because include the high brightness characteristic of described LASER Light Source 114, therefore the luminance brightness in the time of can increasing the projection of described projector, also can increase simultaneously the color saturation of projection ray, promote the effectiveness of described portable projector.
Projector light source device of the present invention, described light source group 11 comprises LED source 112 and 114 two kinds of light sources of LASER Light Source, the high-strength characteristic that wherein said LASER Light Source 114 has, the fluorescence coating that has in order to shine described colour wheel 116 light receiving surfaces, make it to excite the described green light G of generation, the red light R that cooperates again laser blue light B and described LED source 112, generation close that the light beam brightness is high, color is more bright-coloured, but the lumen brightness of the described projector of Effective Raise.
In addition, those skilled in the art also can do other variation in spirit of the present invention, and certainly, the variation that these are done according to spirit of the present invention all should be included within the present invention's scope required for protection.
Claims (12)
1. projector light source device, it comprises a light source group, a Multiplexing apparatus, a leaded light component, a water chestnut mirror group, a digital micro-mirror display device and a projection lens group, described light source group comprises a LED source, a LASER Light Source and a colour wheel, described LED source produces the first color of light, described LASER Light Source produces the second color of light, and shine described colour wheel and produce the 3rd color of light, by described Multiplexing apparatus, described leaded light component is after in addition mixed light is processed with described three color of light, be projected on the described digital micromirror display device via described water chestnut mirror group, be folded to again to described projection lens group.
2. projector light source device as claimed in claim 1, it is characterized in that: described LED source is red light emitting diodes, described the first color of light is red light.
3. projector light source device as claimed in claim 2, it is characterized in that: the light path of described LED source, be to pass be positioned at described LED source front end one first liang behind dichronic mirror, be positioned at one second liang of described Multiplexing apparatus front end to the described Multiplexing apparatus of dichronic mirror refraction guiding.
4. projector light source device as claimed in claim 3 is characterized in that: described first liang has a lens combination between dichronic mirror and the described LED source, and described first and second two to having a lens setting between the dichronic mirror.
5. projector light source device as claimed in claim 1, it is characterized in that: described LASER Light Source comprises at least one laser generator, produce the second color of light of laser beam, described the second color of light is the laser blue light, and described laser generator front end has the lens setting.
6. projector light source device as claimed in claim 5, it is characterized in that: described laser generator is positioned at the same side of described LED source, described the second color of light is by the setting of catoptron, guiding pass described first liang to the described colour wheel of dichronic mirror directive.
7. projector light source device as claimed in claim 1 is characterized in that: described colour wheel has at least one illumination block for continuing the panel of rotation on the light receiving surface of described colour wheel panel, described illumination block is shone by described LASER Light Source.
8. projector light source device as claimed in claim 7, it is characterized in that: described colour wheel illumination block comprises first an illumination block and second an illumination block, wherein said the first illumination block applying implenent has fluorescence coating, described the second illumination block is a transparent block, and described the first illumination block and described the second illumination block form annular distribution on the surface of described colour wheel panel.
9. projector light source device as claimed in claim 8, it is characterized in that: it is green light that described fluorescence coating is subjected to the blue light irradiation of described LASER Light Source to excite the 3rd color of light of generation, the light path of described green light, behind the lens that have by described colour wheel panel light receiving surface one side, via described first and second two to the refraction guiding of dichronic mirror to described Multiplexing apparatus.
10. projector light source device as claimed in claim 1, it is characterized in that: described LASER Light Source produces the light path of the second color of light, described the second illumination block by described colour wheel arrives the mirror group that described colour wheel back side of panel has, and described mirror group guides described the second color of light to pass described second liang and arrives described Multiplexing apparatus to dichronic mirror.
11. projector light source device as claimed in claim 10, it is characterized in that: described mirror group comprises three lens and two catoptrons, wherein said two left and right being oppositely arranged of catoptron, described three lens then are separately positioned between described two catoptrons and the front and back ends position.
12. projector light source device as claimed in claim 1 is characterized in that: described water chestnut mirror group is the reverse total internal reflection water chestnut mirror that is combined to form by two water chestnut mirrors.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102507036A CN102955240A (en) | 2011-08-29 | 2011-08-29 | Light source device of projector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102507036A CN102955240A (en) | 2011-08-29 | 2011-08-29 | Light source device of projector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102955240A true CN102955240A (en) | 2013-03-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011102507036A Pending CN102955240A (en) | 2011-08-29 | 2011-08-29 | Light source device of projector |
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| Country | Link |
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| CN (1) | CN102955240A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106483598A (en) * | 2015-09-01 | 2017-03-08 | 鸿富锦精密工业（深圳）有限公司 | Light guide and include the Projection Display of this light guide and put |
| CN107479310A (en) * | 2016-06-07 | 2017-12-15 | 海信集团有限公司 | Wavelength converter and projection light source |
| WO2022002189A1 (en) * | 2020-07-03 | 2022-01-06 | 深圳光峰科技股份有限公司 | Light source and projection apparatus |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1779556A (en) * | 2004-11-24 | 2006-05-31 | 普立尔科技股份有限公司 | Projector with light emitting diode as light source |
| CN1790096A (en) * | 2004-12-14 | 2006-06-21 | 斯曼特微显示科技（深圳）有限公司 | Projection system with total reflection prism |
| US20100245777A1 (en) * | 2009-03-31 | 2010-09-30 | Casio Computer Co., Ltd. | Light source unit utilizing laser for light source and projector |
| CN101937127A (en) * | 2009-06-30 | 2011-01-05 | 卡西欧计算机株式会社 | Light supply apparatus and projector |
| US20110051102A1 (en) * | 2009-08-31 | 2011-03-03 | Casio Computer Co., Ltd. | Light source unit and projector |
| CN101995750A (en) * | 2009-08-21 | 2011-03-30 | 卡西欧计算机株式会社 | Light source device, projection apparatus, and projection method |
| JP2011128521A (en) * | 2009-12-21 | 2011-06-30 | Casio Computer Co Ltd | Light source device and projector |
-
2011
- 2011-08-29 CN CN2011102507036A patent/CN102955240A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1779556A (en) * | 2004-11-24 | 2006-05-31 | 普立尔科技股份有限公司 | Projector with light emitting diode as light source |
| CN1790096A (en) * | 2004-12-14 | 2006-06-21 | 斯曼特微显示科技（深圳）有限公司 | Projection system with total reflection prism |
| US20100245777A1 (en) * | 2009-03-31 | 2010-09-30 | Casio Computer Co., Ltd. | Light source unit utilizing laser for light source and projector |
| CN101937127A (en) * | 2009-06-30 | 2011-01-05 | 卡西欧计算机株式会社 | Light supply apparatus and projector |
| CN101995750A (en) * | 2009-08-21 | 2011-03-30 | 卡西欧计算机株式会社 | Light source device, projection apparatus, and projection method |
| US20110051102A1 (en) * | 2009-08-31 | 2011-03-03 | Casio Computer Co., Ltd. | Light source unit and projector |
| JP2011128521A (en) * | 2009-12-21 | 2011-06-30 | Casio Computer Co Ltd | Light source device and projector |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106483598A (en) * | 2015-09-01 | 2017-03-08 | 鸿富锦精密工业（深圳）有限公司 | Light guide and include the Projection Display of this light guide and put |
| CN107479310A (en) * | 2016-06-07 | 2017-12-15 | 海信集团有限公司 | Wavelength converter and projection light source |
| WO2022002189A1 (en) * | 2020-07-03 | 2022-01-06 | 深圳光峰科技股份有限公司 | Light source and projection apparatus |
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Application publication date: 20130306 |