CN2901372Y - Projector LED light source device - Google Patents
Projector LED light source device Download PDFInfo
- Publication number
- CN2901372Y CN2901372Y CN 200620018411 CN200620018411U CN2901372Y CN 2901372 Y CN2901372 Y CN 2901372Y CN 200620018411 CN200620018411 CN 200620018411 CN 200620018411 U CN200620018411 U CN 200620018411U CN 2901372 Y CN2901372 Y CN 2901372Y
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- China
- Prior art keywords
- optical filter
- light source
- led
- main body
- ray machine
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- Expired - Fee Related
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Abstract
The utility model provides a projector LED light source structure, composing an optical-mechanical main body comprising a plurality of red, green and blue light-emitting diodes, a plurality of color filters and a control unit, wherein the optical-mechanical main body is provided with an opening, the light-emitting diodes respectively electrically connected with the control unit could be controlled to emit light by the control unit. The light-emitting diodes are aligned arranged in the optical-mechanical main body. The color filters respectively related to the light-emitting diodes could make the lights emitted by them accumulated in a bundle of rays via penetration or refraction and then eject through the opening of the optical-mechanical main body. The utility model is characterized in that the red light-emitting diodes are arranged farthest from the opening of the optical-mechanical main body, and the blue light-emitting diodes are arranged nearest from the opening of the optical-mechanical main body.
Description
Technical field
The utility model relates to a kind of projector led light source device, particularly be a kind ofly to reach the projector's led light source device that promotes its whole lighting efficiency by changing the LED modules with different colors arrangement mode.
Background technology
By advancing by leaps and bounds of high-tech technology in recent years, especially in the field of microelectronics correlation technique processing procedure, make rapid progress especially, so the electronic correlation product has been embedded in each family and all trades and professions, become some indispensable in the modern life.
Certainly by more and more, make electronic installation must reach the use of greater functionality relatively, and each electronic product more stride forward towards the target of short and small frivolous structure and diversification effect in human wants.In numerous electronic goods, the development of projector and application, also all the more extensively convenient human life.And along with projector's development of technology, projector's product is because volume is little, in light weight, easy to carry, add that the mobile computer performance constantly promotes day by day to increase with sales volume and popularize, and then it is in fashion also to drive the multimedia bulletin.Make script just based on projector's product in office automation (OA) market, following except the consumer electronics market development, also will cut personal computer (PC) market.And the development trend of whole projector product concentrates on functional promotion, price reduction and three directions of volume-diminished.
And in order to reach the purpose of aforementioned reduced volume and price reduction, many small-sized projectors have all given up traditional bulb and have changed the LED of little, the difficult heating of employing volume, long service life as light source.Though but adopt LED to have aforesaid advantage as light source, compare with present projector employed bulb, use LED as light source still suspicion deficiency in the brightness that can provide.Though present constantly have more novel constantly research and development release of high-brightness LED quilt on the market, but the employed bulb of brightness that it produced and present projector is compared the distance that still has in a way, and then directly have influence on the projection effect of this small-sized projector.Above-mentioned technology just like makes great efforts to overcome the problem of research and development and careful consideration solution for the dealer.
Summary of the invention
Fundamental purpose of the present utility model is: be to provide a kind of projector led light source device, it is by changing the arrangement mode of LED, will the difficult red LED that decays being arranged on from outlet place far away in the light conductive process.On the other hand, the poorest blue-ray LED of conduction efficiency in the light conductive process is arranged on the position of the most close outlet, by to reach the light that LED was produced that reduces these three kinds of different colours, because the aberration phenomenon that the efficient difference in transmittance process is caused.
For reaching above-mentioned purpose the technical solution adopted in the utility model be: a kind of projector led light source device is provided, and it is to include: a ray machine main body, a red light emitting diodes, a green LED, a blue LED, first optical filter, second optical filter, the 3rd optical filter and a control module.Wherein, red light emitting diodes, green LED, blue LED, first optical filter, second optical filter, the 3rd optical filter and a control module all are arranged in the ray machine main body.This ray machine main body is to be provided with an opening, and red light emitting diodes, green LED and blue LED are respectively and be provided with between control module and be electrically connected, can be luminous by this control module control.In addition, this red light emitting diodes, green LED and blue LED are to arrange to be arranged in the ray machine main body.First optical filter, second optical filter, the 3rd optical filter are then corresponding to respectively aforesaid light emitting diode, its light that respective leds produced can be accumulated in being penetrated by the outlet of ray machine main body behind a branch of light in the mode that penetrates or reflect.It is characterized in that: this red light emitting diodes is arranged on from ray machine main body outlet position farthest, and blue LED is arranged on from the nearest position of ray machine main body outlet.
Below in conjunction with accompanying drawing, to this novel above-mentionedly is described in more detail with other technical characterictic and advantage.
Description of drawings
Fig. 1 is the utility model projector led light source device preferred embodiment spatial structure decomposing schematic representation;
Fig. 2 is a light path projected path synoptic diagram of the present utility model;
Fig. 3 is another preferred embodiment light path projected path synoptic diagram of the present utility model.
Reference numeral explanation: 1-ray machine main body; The 11-opening; The 2-red light emitting diodes; 3-green emitting two utmost points; The 4-blue LED; 5-first optical filter; 6-second optical filter; 7-the 3rd optical filter; The 8-control module; 9-optically focused list.
Embodiment
See also Figure 1 and Figure 2, it is to be respectively the utility model projector led light source device preferred embodiment spatial structure decomposing schematic representation and light path projected path synoptic diagram.The utility model projector led light source device, it is to include: a ray machine main body 1, a red light emitting diodes 2, a green LED 3, a blue LED 4, first optical filter 5, second optical filter 6, the 3rd optical filter 7 and a control module 8.Wherein, red light emitting diodes 2, green LED 3, blue LED 4, first optical filter 5, second optical filter 6, the 3rd optical filter 7 and control module 8 all are arranged in the ray machine main body 1, this ray machine main body 1 is to be provided with an opening 11, and red light emitting diodes 2, green LED 3 and blue LED 4 be respectively and 8 of control modules be provided with and be electrically connected, can be luminous by these control module 8 controls, in addition, this red light emitting diodes 2, green LED 3 and blue LED 4 are to arrange to be arranged in the ray machine main body 1, and first optical filter 5, second optical filter 6,7 of the 3rd optical filters are corresponding to respectively aforesaid light emitting diode, it is characterized in that: this red light emitting diodes 2 is arranged on from ray machine main body 1 outlet 11 position farthest, and blue LED 4 is arranged on from the nearest positions of ray machine main body 1 outlet 11.In addition, aforementioned correspondence is that the inclination mode that the light conduct route with the red light source that is produced with red light emitting diodes 2 is miter angle is provided with in the front of first optical filter 5 of red light emitting diodes 2, by set optical coating on this first optical filter 5, make the light of other color can pass this first optical filter 5, and only red light source is refracted to the second adjacent optical filter 6.This same correspondence is that the inclination mode that the light conduct route with the green light source that is produced with green LED 3 is miter angle is provided with in the front of second optical filter 6 of green LED 3, by set optical coating on this second optical filter 6, make the light of other color can pass this second optical filter 6, and only green light source is refracted to the 3rd adjacent optical filter 7, can be penetrated this second optical filter 6 equally and directly project the 3rd optical filter 7 to formerly reflecting the red light source that comes by first optical filter 5.In addition, the front of corresponding the 3rd optical filter 7 at blue LED 4 is that the inclination mode that the light conduct route with the blue-light source that is produced with blue LED is miter angle is provided with, by set optical coating on the 3rd optical filter 7, the blue-light source that order has only this blue LED 4 to be produced can pass the 3rd optical filter 7, the red light source and the green light source that will be transmitted by second optical filter, 6 directions simultaneously, the unified outlet 11 by ray machine main body 1 in refraction back is penetrated.
The described three kinds of different colour light sources of leading portion, the optical filter that has different filter effects by use concentrates on it with being penetrated by the outlet 11 of ray machine main body 1 behind a branch of light, wherein, be arranged on the position of the most close ray machine main body 1 outlet 11 by the blue LED 4 that the light transmission efficiency is the poorest, and the red light emitting diodes 2 of light transmission efficiency the best is arranged on from ray machine main body 1 outlet 11 position farthest, by aforesaid design, can effectively reduce because the caused aberration phenomenon of the brightness disproportionation that the transmission efficiency difference of different colored light sources is produced takes place, make it can produce and actual more approaching color.
See also Fig. 3, it is the light path projected path synoptic diagram for another preferred embodiment of the utility model, wherein, it is interior from ray machine main body 1 outlet 11 position farthest that red light emitting diodes 2 first optical filters 5 pairing with it are arranged on ray machine main body 1 equally, but, originally the position is to change to be located at the most close position in 1 outlet 11 of ray machine main body at green LED 36 of second optical filters pairing with it of middle position in the aforementioned embodiment, be located at middle position and blue LED 4 and pairing the 3rd optical filter 7 changed, on the other hand, this second optical filter 6 must cooperate with optical coating on the 3rd optical filter 7 makes a change, wherein, this second optical filter 6 must be by originally only reflecting green light source, change into and be merely able to allow green light source pass through, and other colour light source is stopped refraction.The 3rd optical filter 7 then be by original aforesaid can only for blue-light source by and other color is stopped refraction, change into can for other color by and only stop and reflect blue-light source, make it blue-light source can be invested and after on second optical filter 6 of ray machine main body 1 outlet 11, reflect again by ray machine main body 1 outlet 11 ejaculations.The principle of previous designs mainly is to consider that green light source is to occupying bigger proportion in the mankind's the impression of vision in brightness, therefore be arranged on by the green LED 3 that this can be sent green light source and export 11 position, the brightness vision impression of playing in integral body is had preferable effect helping the lifting user near ray machine main body 1.
Again in order to promote whole brightness, the utility model further each light emitting diode be provided with a light focusing unit 9, see through being provided with of this light focusing unit 9 and light emitting diode 2,3,4 light sources that produced can be seen through refraction and avoid light source to disperse decay with focusing on reach, in the active set and promote its brightness.
More than explanation is for this is novel just illustrative, and nonrestrictive, those of ordinary skills understand, and under the situation of the spirit and scope that do not break away from following claims and limited, can make many modifications, change, or equivalent.
Claims (8)
1. projector's led light source device is characterized in that, includes:
One ray machine main body, the side on this ray machine main body is provided with an opening;
One red light emitting diodes is arranged in the ray machine main body and apart from ray machine body openings position farthest;
One blue LED is arranged in the ray machine main body and the position nearest apart from the ray machine body openings;
One green LED, be arranged in the ray machine main body and the position between red light emitting diodes and blue LED;
One control module, this control module are respectively and are provided with between red light emitting diodes, green LED and blue LED and are electrically connected; And
One first optical filter, one second optical filter, with one the 3rd optical filter, it is to be separately positioned in the ray machine main body and corresponding to respectively aforesaid red light emitting diodes, green LED and blue LED, its light that respective leds produced can be accumulated in being penetrated by the outlet of ray machine main body behind a branch of light in the mode that penetrates or reflect.
2. projector according to claim 1 led light source device is characterized in that, the front of described optical filter is to be the inclination mode with its light conduct route that respective leds produced to be provided with.
3. projector according to claim 2 led light source device is characterized in that, the angle of described inclination becomes 45 degree for preferable approximately.
4. projector according to claim 1 led light source device is characterized in that the surface of described first optical filter, second optical filter and the 3rd optical filter is provided with different types of optical coating.
5. projector according to claim 1 led light source device, it is characterized in that, corresponding first optical filter at described red light emitting diodes is arranged to pass through for the light of other color, only stops and reflects this by red light source optical filter that red light emitting diodes produced.
6. projector according to claim 1 led light source device, it is characterized in that, corresponding second optical filter at described green LED is arranged to pass through for the light of other color, only stops and reflects this optical filter by the green light source that green LED produced.
7. projector according to claim 1 led light source device, it is characterized in that, corresponding the 3rd optical filter at described blue LED is arranged to for logical by blue-light source that blue LED produced and the red light source that will be transmitted by other optical filter refraction and green light source stop and reflect optical filter by the opening ejaculation of ray machine main body.
8. projector according to claim 1 led light source device is characterized in that, described each light emitting diode be provided with a light focusing unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620018411 CN2901372Y (en) | 2006-03-24 | 2006-03-24 | Projector LED light source device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620018411 CN2901372Y (en) | 2006-03-24 | 2006-03-24 | Projector LED light source device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2901372Y true CN2901372Y (en) | 2007-05-16 |
Family
ID=38085536
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620018411 Expired - Fee Related CN2901372Y (en) | 2006-03-24 | 2006-03-24 | Projector LED light source device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2901372Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104181758A (en) * | 2013-05-23 | 2014-12-03 | 精工爱普生株式会社 | Laser projector |
-
2006
- 2006-03-24 CN CN 200620018411 patent/CN2901372Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104181758A (en) * | 2013-05-23 | 2014-12-03 | 精工爱普生株式会社 | Laser projector |
| CN104181758B (en) * | 2013-05-23 | 2016-03-09 | 精工爱普生株式会社 | Laser projection |
| US9354503B2 (en) | 2013-05-23 | 2016-05-31 | Seiko Epson Corporation | Laser projector |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070516 |