CN201373971Y - LED micro projector - Google Patents
LED micro projector Download PDFInfo
- Publication number
- CN201373971Y CN201373971Y CN200920050004U CN200920050004U CN201373971Y CN 201373971 Y CN201373971 Y CN 201373971Y CN 200920050004 U CN200920050004 U CN 200920050004U CN 200920050004 U CN200920050004 U CN 200920050004U CN 201373971 Y CN201373971 Y CN 201373971Y
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- China
- Prior art keywords
- light source
- blue
- catoptron
- red
- led
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Abstract
The utility model provides an LED micro projector which comprises a red/green/blue light source synthesizing part, a lens (6), a DMD (8), a reflector (7) and a projecting lens (9), wherein the red/green/blue light source synthesizing part comprises a green LED light source module (1), a blue LED light source module (2), a red LED light source module (3), a blue reflector (4) and a red reflector (5); the green LED light source module (1) is emitted out through the blue reflector (4) and the red reflector (5), the blue LED light source module (2) is reflected through the blue reflector (4) and then emitted out through the red reflector (5), and the red LED light source module (3) is reflected and emitted out through the red reflector (5). The LED micro projector has the advantages of simple structure, small volume and convenient carrying, thereby being widely applied.
Description
Technical field
The utility model relates to field of projector, relates in particular to a kind of LED minitype projection machine.
Background technology
At present, LED projector has been widely used in places such as meeting, movie theatre, family, square.But common projector's volume is bigger, carries inconvenience, costs an arm and a leg.
The utility model content
The technical problems to be solved in the utility model provides a kind of LED minitype projection machine, be intended to solve LED projector volume common in the prior art big, carry inconvenience.
For solve above-mentioned LED projector volume big, carry inconvenient technical matters, the utility model adopts following technical scheme:
A kind of LED minitype projection machine, comprise RGB light source composite part, lens 6, DMD 8, catoptron 7 and projection camera lens 9, described RGB light source composite part comprises green led light source module 1, blue led light source module 2, red LED light source module 3, blue catoptron 4 and red reflex mirror 5, described green led light source module 1 sees through blue catoptron 4 and red reflex mirror 5 penetrates, and blue led light source module 2 sees through red reflex mirror 5 through blue catoptron 4 reflection backs and penetrates, and red LED light source module 3 penetrates in 5 reflections of red reflex mirror.
Further, the reflecting surface of described blue catoptron 4 is coated with blue reflectance coating, and non-reflecting surface is coated with anti-reflection film.
Further again, the reflecting surface of described red reflex mirror 5 is coated with the red reflex film, and non-reflecting surface is coated with anti-reflection film.
Further again, the edge of described catoptron 7 has breach 10.
Further, described RGB light source composite part after the double reflection by catoptron 7 and DMD8, carries out projection by projection lens 9 again through behind the lens 6.
Further again, described RGB light source composite part and lens 6, DMD 8, and catoptron 7 and projection camera lens 9 assemble with rectilinear form.
Further, described RGB light source composite part and lens 6, DMD 8, and catoptron 7 and projection camera lens 9 assemble with L shaped shape.
LED minitype projection machine of the present utility model is because simple in structure, and volume is less, and is easy to carry, can be widely used.
Description of drawings
Fig. 1 is the structural representation of the red, green and blue LED light source composite part of LED minitype projection machine of the present utility model.
Fig. 2 is the structural representation of the embodiment one of LED minitype projection machine of the present utility model.
Fig. 3 is the structural representation of the catoptron 7 of LED minitype projection machine of the present utility model.
Fig. 4 is the structural representation of the embodiment two of LED minitype projection machine of the present utility model.
Embodiment
Embodiment one
The red, green and blue LED light source composite part of the LED minitype projection machine of this embodiment as shown in Figure 1, comprises green led light source module 1, blue led light source module 2, red LED light source module 3, blue catoptron 4, red reflex mirror 5.The reflecting surface of its medium blue catoptron 4 plates blue reflectance coating, non-reflecting surface plating anti-reflection film.The reflecting surface plating red reflex film of red reflex mirror 5, non-reflecting surface plating anti-reflection film.
Green led light source module 1 sees through blue catoptron 4 and is mapped to red reflex mirror 5, sees through red reflex mirror 5 and penetrates.Blue led light source module 2 reflexes to red reflex mirror 5 through blue catoptron 4, sees through red reflex mirror 5 and penetrates.Red LED light source module 3 is through 5 reflections of red reflex mirror.At last, redgreenblue light is by red reflex mirror 5 synthetic ejaculations.
The LED minitype projection machine of this embodiment as shown in Figure 2, comprises red, green and blue LED light source composite part, lens 6, DMD (digital micromirror device) 8, catoptron 7, projection camera lens 9.Wherein the edge of catoptron 7 has breach.Red, green and blue LED light source composite part comprises green led light source module 1, blue led light source module 2, red LED light source module 3, blue catoptron 4, red reflex mirror 5 is after RGB three coloured light are by catoptron 5 synthetic ejaculations, after lens 6 light modulations, be transmitted on the catoptron 7, carry out light intensity modulation to DMD 8 again after, project projection and carry out projects images on the camera lens 9.
Shown in Figure 3, be the structural representation of catoptron 7.Wherein the edge of catoptron 7 has a breach 10, when light beam projects on the projection camera lens 9 from DMD, can pass through breach 10, thereby prevent that light beam from reflecting once more on catoptron 7.
The LED minitype projection machine of this embodiment is a rectilinear form, is applicable to the demand of thin-long.Because simple in structure, volume is less, and is easy to carry, can be widely used.
Embodiment two
The minitype projection machine of this embodiment as shown in Figure 4, is that with the difference of embodiment one light channel structure of L shaped shape is formed in red, green and blue LED light source composite part and DMD reflecting part, is fit to the occasion demand of quadrate.Wherein, the structure of catoptron 7 is identical with structure shown in Figure 2, also has breach at the edge of catoptron 7, when light beam projects on the projection camera lens 9 from DMD, can pass through the breach of catoptron 7, thereby prevent that light beam from reflecting once more on catoptron 7.
The above only is preferred embodiment of the present utility model; not in order to restriction the utility model; all any modifications of within spirit of the present utility model and principle, being done, be equal to and replace and improvement etc., all should be included within the protection domain of the present utility model.
Claims (7)
1, a kind of LED minitype projection machine, comprise RGB light source composite part, lens (6), DMD (8), catoptron (7) and projection camera lens (9), it is characterized in that: described RGB light source composite part comprises green led light source module (1), blue led light source module (2), red LED light source module (3), blue catoptron (4) and red reflex mirror (5), described green led light source module (1) sees through blue catoptron (4) and red reflex mirror (5) penetrates, and blue led light source module (2) sees through red reflex mirror (5) through blue catoptron (4) reflection back and penetrates, and red LED light source module (3) penetrates in red reflex mirror (5) reflection.
2, LED minitype projection machine according to claim 1 is characterized in that: the reflecting surface of described blue catoptron (4) is coated with blue reflectance coating, and non-reflecting surface is coated with anti-reflection film.
3, LED minitype projection machine according to claim 2 is characterized in that: the reflecting surface of described red reflex mirror (5) is coated with the red reflex film, and non-reflecting surface is coated with anti-reflection film.
4, LED minitype projection machine according to claim 3 is characterized in that: the edge of described catoptron (7) has breach (10).
5, according to according to each described LED minitype projection machine in the claim 1 to 4, it is characterized in that: behind the described RGB light source composite part process lens (6), after the double reflection by catoptron (7) and DMD (8), carry out projection again by projection camera lens (9).
6, LED minitype projection machine according to claim 5 is characterized in that: described RGB light source composite part and lens (6), and DMD (8), catoptron (7) and projection camera lens (9) assemble with rectilinear form.
7, LED minitype projection machine according to claim 5 is characterized in that: described RGB light source composite part and lens (6), and DMD (8), catoptron (7) and projection camera lens (9) assemble with L shaped shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920050004U CN201373971Y (en) | 2009-01-14 | 2009-01-14 | LED micro projector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920050004U CN201373971Y (en) | 2009-01-14 | 2009-01-14 | LED micro projector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201373971Y true CN201373971Y (en) | 2009-12-30 |
Family
ID=41500054
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200920050004U Expired - Fee Related CN201373971Y (en) | 2009-01-14 | 2009-01-14 | LED micro projector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201373971Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101937163A (en) * | 2009-06-30 | 2011-01-05 | 卡西欧计算机株式会社 | Light source unit, light source apparatus and projector |
| WO2013063835A1 (en) * | 2011-11-03 | 2013-05-10 | 广景科技有限公司 | Dlp micro projector |
| CN104503196A (en) * | 2014-12-10 | 2015-04-08 | 苏州佳世达光电有限公司 | Projecting device |
| WO2016162860A1 (en) | 2015-04-09 | 2016-10-13 | Lahino Christian | Method, system and device for communication and information on vehicle through projection of text, image, and / or video on the rear, side, and / or front windshield of vehicles |
-
2009
- 2009-01-14 CN CN200920050004U patent/CN201373971Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101937163A (en) * | 2009-06-30 | 2011-01-05 | 卡西欧计算机株式会社 | Light source unit, light source apparatus and projector |
| CN101937163B (en) * | 2009-06-30 | 2012-07-04 | 卡西欧计算机株式会社 | Light source unit, light source apparatus and projector |
| WO2013063835A1 (en) * | 2011-11-03 | 2013-05-10 | 广景科技有限公司 | Dlp micro projector |
| CN104503196A (en) * | 2014-12-10 | 2015-04-08 | 苏州佳世达光电有限公司 | Projecting device |
| CN104503196B (en) * | 2014-12-10 | 2016-06-08 | 苏州佳世达光电有限公司 | A kind of projection arrangement |
| WO2016162860A1 (en) | 2015-04-09 | 2016-10-13 | Lahino Christian | Method, system and device for communication and information on vehicle through projection of text, image, and / or video on the rear, side, and / or front windshield of vehicles |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20091230 Termination date: 20170114 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |