CN1521443A - Projection light source generating apparatus using light emitting diode - Google Patents
Projection light source generating apparatus using light emitting diode Download PDFInfo
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- CN1521443A CN1521443A CNA031039227A CN03103922A CN1521443A CN 1521443 A CN1521443 A CN 1521443A CN A031039227 A CNA031039227 A CN A031039227A CN 03103922 A CN03103922 A CN 03103922A CN 1521443 A CN1521443 A CN 1521443A
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- light
- emitting diode
- light emitting
- produce
- projection source
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- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
The invention provides an apparatus for generating projection source using light-emitting diodes, wierein a plurality of light-emitting diodes are used as first secondary light sources, a primary mirror is used to gather the scattered luminous beams for developing parallel light beams, a secondary mirror is then used to make the parallel light beams develop projection sources at designated regions. A reflecting surface mirror can be added for deflecting the optical path, fluorescent substances can be filled into the light conducting medium. As a result, when short wave length light-emitting diodes are used, white light can be exported.
Description
Technical field
The invention belongs to a kind of light source, especially a kind of light source of light emitting diode.
Background technology
Prior art as shown in Figure 1, existing projection lamp has glass shell 10 and filament 12, heat and light take place by electric current in filament 12.This bulb luminous efficiency is not high and caloric value is big.
Summary of the invention
The purpose of this invention is to provide and a kind ofly produce the device of projection source, in order to solve problems such as the low and caloric value of prior art luminous efficiency is big with light emitting diode.The object of the present invention is achieved like this: the present invention with many light emitting diodes as primary source, utilize the light-ray condensing of secondary mirrors such as collector lens or caustic surface mirror with the dispersion of light emitting diode original light source, make the generation directional light, with collector lens or two secondary mirrors of caustic surface mirror directional light is assembled projection again, produce projection source.The present invention can replace existing lighting bulb or high light projection bulb.The reflective surface mirror can be added into, so that optical path is turned to.Fluorescent substance can be added in the optical material, or is coated on the optical material surface, so that with blue light or ultraviolet light ... wait the short wavelength light conversion and the outgoing white light.Compared with prior art, the present invention has advantages such as luminous efficiency height, caloric value be low.
Description of drawings
Fig. 1. existing bulb
Fig. 2. the embodiment of the invention one
Fig. 3. the embodiment of the invention two
Fig. 4. the embodiment of the invention three
Fig. 5. the embodiment of the invention four
Fig. 6. the embodiment of the invention five
Fig. 7. the embodiment of the invention six
Fig. 8. the embodiment of the invention seven
Fig. 9. the embodiment of the invention eight
Figure 10. the embodiment of the invention nine
Figure 11. the embodiment of the invention ten
Figure 12. the embodiment of the invention 11
Figure 13. the embodiment of the invention 12
The assembly number table
10 glass shells
12 filaments
200. projection light source system
201.202.203. light emitting diode
21.211.212. base material
22. set of lenses
23.231.232.233. lens
24. extraction regions
25. focus filter plate
26. pin hole
27.271. caustic surface mirror
28. white light light-passing board
32.37. speculum
The specific embodiment
With reference to accompanying drawing, in conjunction with the embodiments, the present invention is explained in detail.
Fig. 2. be the embodiment of the invention one
It shows that the present invention is to be placed on the base material 21 by three light emitting diode 201.202.203. with the device that light emitting diode produces projection source system 200, its top is interval with a secondary mirror set of lenses 22 and two secondary mirror lens 23 in regular turn and penetrates light and pass a secondary mirror and focus on later on, produces directional light or approximately parallel light source.One secondary mirror can be the collector lens group 22 that single element lens or multi-disc lens are constituted, and the Tu Zhong city describes as example with two eyeglasses, through the focusing of two secondary mirror lens 23, produces projection light again, and projection light has a light extraction regions 24.
Fig. 3. be the embodiment of the invention two
The device projection light source system 200 that demonstration produces projection source with the present invention with light emitting diode is placed in and is made into the external form form identical with existing bulb in the glass shell 10, promptly can cooperate in the existing system and use.
Fig. 4. the embodiment of the invention three
Originally graphic and design Fig. 2 is similarly, and just Fig. 2 uses sheet type lens 23, and Fig. 4 shows the lens 231 that use is traditional.
Fig. 5. the embodiment of the invention four
As the design among Fig. 2, because the precision and the error that deflection of light may produce of set of lenses 22. lens 23, in fact the light focusing zone is an almost spherical or oval-shaped extraction regions 24, rather than a desirable focus point.In order to obtain meticulous projection source accurately, the focus filter plate 25 that a slice has pin hole 26 can be positioned in extraction regions 24, so that obtain meticulous projection source accurately.The size of pin hole 26 is according to whole required the design.
Fig. 6. be the embodiment of the invention five
Basic principle is identical with the front, and the design increases the white light light-passing board 28 that a slice contains fluorescent material, and it includes fluorescent material in interior or coat the surface and be placed in the optical path.Make original light source or: when diodes such as blue light, royal purple light, purple light, ultraviolet light use, penetrate light and can excite fluorescent material, make to produce white light and penetrate for having short wavelength's light emitting diode, for example.
Fig. 7. the embodiment of the invention six
The use that shows caustic surface mirror 27 in the drawings can be assembled projection with the light reflection, in order to dwindle the volume of product.Graphic demonstration light emitting diode 201 is placed on the base material 211, light emitting diode 202 is placed on the base material 212, in regular turn through producing parallel rays after the secondary mirror lens 233, again through two secondary mirror caustic surface mirrors
27, the ray cast of produce assembling it.
Fig. 8. the embodiment of the invention seven
Show that in the drawings existing caustic surface mirror 271 can replace the thin-face type caustic surface mirror 27 among Fig. 7, can obtain identical effect.
Fig. 9. the embodiment of the invention eight
In order to obtain meticulous projection source accurately, the focus filter plate 25 that a slice has pin hole 26 can be positioned on the extraction regions 24, so that obtain meticulous projection source accurately.The size of pin hole 26 can be redesigned according to integral body is required.
Figure 10. be the embodiment of the invention nine
Show that in the drawings three secondary mirrors 43 can be added into, it is assembled more in order to the ejaculation light of modifying projection source.A slice speculum 37 also can be provided with, and can play the effect of the exit direction of adjusting projection source.In addition, the fluorescent material (not shown) is placed in the surface that also can coat speculum 37 in the material, feasible light emitting diode with short wavelength, for example: when diodes such as blue light, royal purple light, purple light, ultraviolet light use, emergent ray can excite fluorescent material, produces white light and penetrates.
Figure 11. the embodiment of the invention ten
Show in the accompanying drawing that a secondary mirror can be a concave mirror 32, light emitting diode 201.202.203. is placed on the base material 21, and concave mirror 32 produces directional light or approximate source of parallel light with original light source optically focused and reflection, sees through base material 21.Directional light focuses on through two secondary mirrors 23 and produces projection source.Base material 21 can increase the amount of passing of light with shown in the mesh form (Figure 13).
Figure 12. be the embodiment of the invention 11
Show in the accompanying drawing that two secondary mirrors also can be concavees lens 232, light emitting diode 20 is placed on the base material 21, by secondary mirror lens 233 reflection of original light source optically focused is produced directional light or approximately parallel light source.Directional light is dispersed the generation projection source through two secondary mirrors 232, and the design's projection light has a virtual focus F.
Figure 13. be the embodiment of the invention 12
In sum, the present invention has passed through the as above description of embodiment, and introduction has clearly been done in design of the present invention, by implementing to have reached the inventor's goal of the invention, this device luminous efficiency is improved, and reduce the luminous heat that is produced itself, have more purposes on the industry.
Claims (9)
1. the device with light emitting diode generation projection source comprises light emitting diode, base material, a secondary mirror and two secondary mirrors; It is characterized in that: wherein many light emitting diodes (201), (202), (203) are placed on the base material (21), and its top is interval with two secondary mirrors that are used to produce a secondary mirror of directional light and are used to produce projection light in regular turn.
2. produce the device of projection source according to claim 1 with light emitting diode, it is characterized in that: wherein above-mentioned each component placement is in glass shell (10).
3. produce the device of projection source according to claim 1 with light emitting diode, it is characterized in that: wherein have pin hole (26) accumulation filter plate (25) and be placed in the extraction regions (24).
4. produce the device of projection source according to claim 1 with light emitting diode, it is characterized in that: be interval with secondary mirror lens (233) and two secondary mirror caustic surface mirrors (27), (271) wherein in regular turn.
5. produce the device of projection source according to claim 1 with light emitting diode, it is characterized in that: wherein have additional speculum (37).
6. produce the device of projection source according to claim 1 with light emitting diode, it is characterized in that: wherein a secondary mirror is concave mirror (32).
7. produce the device of projection source according to claim 1 with light emitting diode, it is characterized in that: wherein light emitting diode is meant the short-wave long light-emitting diode of blue light, royal purple light, purple light, ultraviolet light.
8. as produce the device of projection source as described in the claim 7 with light emitting diode, it is characterized in that: wherein fluorescent material is placed in the optical material or coats the surface.
9. as produce the device of projection source as described in the claim 7 with light emitting diode, it is characterized in that: wherein have additional white light light-passing board (28), wherein include fluorescent material in interior or coat the surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB031039227A CN1276211C (en) | 2003-01-28 | 2003-01-28 | Projection light source generating apparatus using light emitting diode |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB031039227A CN1276211C (en) | 2003-01-28 | 2003-01-28 | Projection light source generating apparatus using light emitting diode |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1521443A true CN1521443A (en) | 2004-08-18 |
| CN1276211C CN1276211C (en) | 2006-09-20 |
Family
ID=34282121
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB031039227A Expired - Fee Related CN1276211C (en) | 2003-01-28 | 2003-01-28 | Projection light source generating apparatus using light emitting diode |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1276211C (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008055422A1 (en) * | 2006-11-10 | 2008-05-15 | Shenzhen Gasun Energy Technology Co., Ltd. | High-luminance led street lamp |
| CN109466435A (en) * | 2017-09-08 | 2019-03-15 | 大众汽车有限公司 | Lighting device for vehicle |
-
2003
- 2003-01-28 CN CNB031039227A patent/CN1276211C/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008055422A1 (en) * | 2006-11-10 | 2008-05-15 | Shenzhen Gasun Energy Technology Co., Ltd. | High-luminance led street lamp |
| CN109466435A (en) * | 2017-09-08 | 2019-03-15 | 大众汽车有限公司 | Lighting device for vehicle |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1276211C (en) | 2006-09-20 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| 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: 20060920 Termination date: 20100301 |