CN108415212A - A kind of projecting illumination system of LED and laser light source composition - Google Patents
A kind of projecting illumination system of LED and laser light source composition Download PDFInfo
- Publication number
- CN108415212A CN108415212A CN201810244988.4A CN201810244988A CN108415212A CN 108415212 A CN108415212 A CN 108415212A CN 201810244988 A CN201810244988 A CN 201810244988A CN 108415212 A CN108415212 A CN 108415212A
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- light source
- light
- beam splitter
- plane beam
- lens subassembly
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- 238000005286 illumination Methods 0.000 title claims abstract description 19
- 239000000203 mixture Substances 0.000 title description 4
- 239000000843 powder Substances 0.000 claims abstract description 8
- 230000003287 optical effect Effects 0.000 claims description 18
- 238000009738 saturating Methods 0.000 claims description 8
- 230000010287 polarization Effects 0.000 claims description 3
- 230000004907 flux Effects 0.000 abstract description 12
- 238000005516 engineering process Methods 0.000 description 5
- 239000011248 coating agent Substances 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 238000005457 optimization Methods 0.000 description 3
- 230000001737 promoting effect Effects 0.000 description 3
- 239000012780 transparent material Substances 0.000 description 3
- 238000012795 verification Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/14—Details
- G03B21/20—Lamp housings
- G03B21/2006—Lamp housings characterised by the light source
- G03B21/2033—LED or laser light sources
- G03B21/204—LED or laser light sources using secondary light emission, e.g. luminescence or fluorescence
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/14—Details
- G03B21/20—Lamp housings
- G03B21/2006—Lamp housings characterised by the light source
- G03B21/2013—Plural light sources
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/14—Details
- G03B21/20—Lamp housings
- G03B21/2066—Reflectors in illumination beam
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Optics & Photonics (AREA)
- Projection Apparatus (AREA)
Abstract
The invention discloses the projecting illumination systems that a kind of LED and laser light source are constituted, including the first lens subassembly, and with its light path it is vertically disposed second and third, four and the 5th lens subassembly, the second, the first plane beam splitter is equipped between the 4th lens subassembly, closing light mirror is equipped between third, the 5th lens subassembly, closing light mirror is made of second, third plane beam splitter；Blue led or laser light source form less parallel light through the second lens subassembly, are radiated on the outer surface of fluorescent powder after the reflection of the first plane beam splitter and the convergence of the first lens subassembly, inspire green light；Red laser P radiants form less parallel light through the 4th lens subassembly, reflect through the first plane beam splitter, go out through closing light mirror；The emergent light of increased red light source and redgreenblue light source converges closing light mirror is equidirectional, forms color and the adjustable projection light source of brightness.The present invention promotes the luminous flux of green light and feux rouges simultaneously so that the luminance raising after white balance is close to 2 times.
Description
Technical field
The present invention relates to the controllable lighting technologies of projection field, and in particular to a kind of projection of LED and laser light source composition
Lighting system.
Background technology
In projecting illumination system, Conventional LED light sources are extremely limited by the efficiency that itself is generated, and increase luminous flux
The method that generally use increases light-emitting area or high current power, but this method frequently can lead to unit area heat dissipation
It is difficult.By increase after the blue light convergence that one group of blue led is sent out or using laser blue light green LED fluorescent powder
It is excited on outer surface, additional green light can be generated, to improve the luminous flux of green light, more traditional LED is close to 2 times.
The white brightness of projecting illumination system can be promoted after white balance, however after the luminous flux increase of green light, blue light and
Feux rouges white balance is also required to equal proportion promotion, but there are blue lights to have surplus that can be promoted, and often room for promotion has feux rouges
The problem of limit, can not be promoted even if changing the response time of RGB close to 2 times completely, bright after white balance to inhibit
Degree.
Invention content
The technical problem to be solved by the present invention is to after the luminous flux increase of green light, blue light and feux rouges white balance are also required to
Equal proportion is promoted, but there are blue lights to have surplus that can be promoted, and the feux rouges often limited problem of room for promotion, even if changing
The response time of RGB can not be promoted close to 2 times, completely to inhibit the brightness after white balance.
In order to solve the above-mentioned technical problem, the technical solution adopted in the present invention is to provide a kind of LED and laser light source structure
At projecting illumination system, including the first lens subassembly, and vertically disposed second lens of light path with the first lens subassembly
Component, the third lens component, the 4th lens subassembly and the 5th lens subassembly, set between the second lens subassembly and the 4th lens subassembly
There is the first plane beam splitter, closing light mirror is equipped between the third lens component and the 5th lens subassembly, closing light mirror is by the second plane point
Light microscopic is formed with third plane beam splitter；
Wherein, light source 1 forms less parallel light through the first lens subassembly, penetrates the first plane beam splitter and closing light mirror successively
It projects；
Light source 2 forms less parallel light through the second lens subassembly, is reflected through the first plane beam splitter, and reflected light passes through first
On the outer surface for the fluorescent powder for being radiated at light source 1 after lens subassembly convergence, green light is inspired；
Light source 3 forms less parallel light by the third lens component, is reflected through the second plane beam splitter, and reflected light is through the
One plane beam splitter projects；
Light source 4 forms less parallel light through the 4th lens subassembly, is reflected through the first plane beam splitter, and reflected light penetrates closing light
Mirror goes out；
Light source 5 forms less parallel light through the 5th lens subassembly, is reflected through third plane beam splitter, and reflected light penetrates second
Plane beam splitter projects；
Light source 1, light source 3, light source 4 and light source 5 emergent light converge closing light mirror is equidirectional, form color and brightness be adjustable
Projection light source；
Wherein, light source 1 is green LED light source；Light source 2 is blue led light source or blue laser light source；Light source 3 is blue
LED light source；Light source 4 is red laser P radiants；Light source 5 is red laser S radiants.
Preferably, the primary optical axis of first plane beam splitter and light source 1 is in 45 degree；Second plane beam splitter and institute
The primary optical axis for stating third plane beam splitter and light source 1 is in 45 degree and crosses one another in X-shaped.
Preferably, the primary optical axis of light source 1 and light source 2 and first plane beam splitter are in 45 degree, and described first is flat each other
The spectroscopical positive direction of mirror image in face；The primary optical axis of light source 4 is in 45 degree with first plane beam splitter, opposite with light source 2
Setting；The primary optical axis of light source 1 and light source 3 and the third plane beam splitter be in 45 degree, each other the third plane beam splitter
Positive direction of mirror image；The primary optical axis of light source 1 and light source 5 is in 45 degree with second plane beam splitter, and described second is flat each other
The direction of mirror image of the spectroscopical reverse side in face.
Preferably, two surfaces of first plane beam splitter, the second plane beam splitter and third plane beam splitter are equal
It is coated with spectro film.
Preferably, two surfaces of first plane beam splitter are coated with the spectro-film of anti-feux rouges, anti-blue light, the light that reveals the green
Layer.
Preferably, two surfaces of second plane beam splitter are coated with the spectro-film of anti-blue light, saturating feux rouges, the light that reveals the green
Layer.
Preferably, two surfaces of the third plane beam splitter are coated with the light that reveals the green, saturating blue light, thoroughly red P light, anti-red S
The polarization spectro film layer of light.
Preferably, first lens subassembly, the second lens subassembly, the third lens component, the 4th lens subassembly and the 5th
Lens subassembly is made of several lens respectively.
The present invention provides the projecting illumination systems that a kind of LED and laser light source are constituted, former using light refraction and reflection
Reason obtains initial configuration by mathematical computations, recycles the optimization design of software simplation verification so that precise structure, luminance
Spend higher.This system uses the light splitting closing light technology of strong light induced fluorescence and lighting engineering and transparent material surface coating, leads to
It crosses on the basis of redgreenblue light source is one group each, increases by one group of blue-light source, the appearance for exciting LED light source fluorescent powder
Face green light promotes the luminous flux of green light；Increase by one group of red light source, the luminous flux for promoting feux rouges so that white balance simultaneously
Luminance raising afterwards is close to 2 times.
Description of the drawings
Fig. 1 is a kind of projecting illumination system structural schematic diagram of LED and laser light source composition in the present invention.
Specific implementation mode
Existing after the luminous flux increase of green light in order to solve, blue light and feux rouges white balance are also required to equal proportion promotion,
But there are blue lights to have surplus that can be promoted, and the feux rouges often limited problem of room for promotion, even if when changing the response of RGB
Between, it can not be promoted completely close to 2 times, the problem of to inhibit the brightness after white balance.The present invention propose a kind of LED and
The projecting illumination system that laser light source is constituted obtains initial configuration using light refraction and principle of reflection by mathematical computations, then
Utilize the optimization design of software simplation verification so that precise structure, light emission luminance higher.
This system uses the light splitting closing light technology of strong light induced fluorescence and lighting engineering and transparent material surface coating,
By on the basis of redgreenblue light source is one group each, increasing by one group of blue-light source, for exciting the outer of LED light source fluorescent powder
Surface green light promotes the luminous flux of green light；Increase by one group of red light source, the luminous flux for promoting feux rouges so that Bai Ping simultaneously
Luminance raising after weighing apparatus is close to 2 times.
The present invention is described in detail with specific implementation mode with reference to the accompanying drawings of the specification.
An embodiment of the present invention provides the projecting illumination systems that a kind of LED and laser light source are constituted, as shown in Figure 1, including
First lens subassembly 1, and with vertically disposed second lens subassembly 2 of light path of the first lens subassembly 1, the third lens component 3,
4th lens subassembly 4 and the 5th lens subassembly 5 are equipped with the first plane and are divided between second lens subassembly 2 and the 4th lens subassembly 4
Mirror 6 is equipped with closing light mirror between the third lens component 3 and the 5th lens subassembly 5, closing light mirror is by the second plane beam splitter and 7 thirds
Plane beam splitter 8 forms；
Wherein, light source 1 forms less parallel light through the first lens subassembly 1, penetrates the first plane beam splitter 6 and closing light successively
Mirror goes out；
Light source 2 forms less parallel light through the second lens subassembly 2, is reflected through the first plane beam splitter 6, and reflected light is by the
On the outer surface for the fluorescent powder for being radiated at light source 1 after the convergence of one lens subassembly 1, green light is inspired；
Light source 3 forms less parallel light by the third lens component 3, is reflected through the second plane beam splitter 7, and reflected light penetrates
First plane beam splitter 6 projects；
Light source 4 forms less parallel light through the 4th lens subassembly 4, is reflected through the first plane beam splitter 6, and reflected light is through conjunction
Light microscopic projects；
Light source 5 forms less parallel light through the 5th lens subassembly 5, is reflected through third plane beam splitter 8, and reflected light is through the
Two plane beam splitters 7 project；
Light source 1, light source 3, light source 4 and light source 5 emergent light converge closing light mirror is equidirectional, form color and brightness
Adjustable projection light source.
Wherein, light source 1 is green LED light source；Light source 2 is blue led light source or blue laser light source；Light source 3 is blue
LED light source；Light source 4 is red laser P radiants；Light source 5 is red laser S radiants.
Preferably, the primary optical axis of first plane beam splitter 6 and light source 1 is in 45 degree；Second plane beam splitter, 7 He
The third plane beam splitter 8 and the primary optical axis of light source 1 in 45 degree and cross one another in X-shaped.
Preferably, the primary optical axis of light source 1 and light source 2 and first plane beam splitter 6 are in 45 degree, and described first is flat each other
The direction of mirror image in the front (1 face) of face spectroscope 6；The primary optical axis of light source 4 is in 45 degree with first plane beam splitter 6, with light
Source 2 is oppositely arranged；The primary optical axis of light source 1 and light source 3 is in 45 degree with the third plane beam splitter 8, each other the third plane
The direction of mirror image in the front (6 face) of spectroscope 8；The primary optical axis of light source 1 and light source 5 is in 45 degree with second plane beam splitter 7,
The direction of mirror image of the reverse side (3 face) of second plane beam splitter 7 each other.
Preferably, two surfaces of first plane beam splitter 6, the second plane beam splitter 7 and third plane beam splitter 8
It is coated with spectro film.
Preferably, two surfaces of first plane beam splitter 6 are coated with the light splitting of anti-feux rouges, anti-blue light, the light that reveals the green
Film layer；Two surfaces of second plane beam splitter 7 are coated with the spectro film of anti-blue light, saturating feux rouges, the light that reveals the green；Described
Two surfaces of three plane beam splitters 8 are coated with the polarization spectro film layer of the light that reveals the green, saturating blue light, saturating red P light, anti-red S light.
Preferably, first lens subassembly 1, the second lens subassembly 2, the third lens component 3,4 and of the 4th lens subassembly
5th lens subassembly 5 is made of several lens respectively.
The present invention provides the projecting illumination systems that a kind of LED and laser light source are constituted, former using light refraction and reflection
Reason obtains initial configuration by mathematical computations, recycles the optimization design of software simplation verification so that precise structure, luminance
Spend higher.This system uses the light splitting closing light technology of strong light induced fluorescence and lighting engineering and transparent material surface coating, leads to
It crosses on the basis of redgreenblue light source is one group each, increases by one group of blue-light source, the appearance for exciting LED light source fluorescent powder
Face green light promotes the luminous flux of green light；Increase by one group of red light source, the luminous flux for promoting feux rouges so that white balance simultaneously
Luminance raising afterwards is close to 2 times.
The present invention is not limited to above-mentioned preferred forms, anyone structure change made under the inspiration of the present invention,
The technical schemes that are same or similar to the present invention are each fallen within protection scope of the present invention.
Claims (8)
1. the projecting illumination system that a kind of LED and laser light source are constituted, which is characterized in that including the first lens subassembly, Yi Jiyu
Vertically disposed second lens subassembly of light path, the third lens component, the 4th lens subassembly and the 5th lens of first lens subassembly
Component is equipped with the first plane beam splitter, the third lens component and the 5th lens between the second lens subassembly and the 4th lens subassembly
Closing light mirror is equipped between component, closing light mirror is made of the second plane beam splitter and third plane beam splitter；
Wherein, light source 1 forms less parallel light through the first lens subassembly, penetrates the first plane beam splitter and closing light mirror successively
Go out；
Light source 2 forms less parallel light through the second lens subassembly, is reflected through the first plane beam splitter, and reflected light passes through the first lens
On the outer surface for the fluorescent powder for being radiated at light source 1 after component convergence, green light is inspired；
Light source 3 forms less parallel light by the third lens component, is reflected through the second plane beam splitter, and reflected light is flat through first
Face spectroscope projects；
Light source 4 forms less parallel light through the 4th lens subassembly, is reflected through the first plane beam splitter, and reflected light penetrates closing light mirror
Go out；
Light source 5 forms less parallel light through the 5th lens subassembly, is reflected through third plane beam splitter, and reflected light penetrates the second plane
Spectroscope projects；
Light source 1, light source 3, light source 4 and light source 5 emergent light converge closing light mirror is equidirectional, form color and the adjustable throwing of brightness
Shadow light source；
Wherein, light source 1 is green LED light source；Light source 2 is blue led light source or blue laser light source；Light source 3 is blue LED light
Source；Light source 4 is red laser P radiants；Light source 5 is red laser S radiants.
2. the projecting illumination system that LED as described in claim 1 and laser light source are constituted, which is characterized in that described first is flat
The primary optical axis of face spectroscope and light source 1 is in 45 degree；Second plane beam splitter and the third plane beam splitter and light source 1
Primary optical axis is in 45 degree and crosses one another in X-shaped.
3. the projecting illumination system that LED as claimed in claim 2 and laser light source are constituted, which is characterized in that light source 1 and light source
2 primary optical axis is in 45 degree with first plane beam splitter, each other the positive direction of mirror image of first plane beam splitter；Light
The primary optical axis in source 4 is in 45 degree with first plane beam splitter, is oppositely arranged with light source 2；The primary optical axis of light source 1 and light source 3 with
The third plane beam splitter is in 45 degree, each other the positive direction of mirror image of the third plane beam splitter；Light source 1 and light source 5
Primary optical axis and second plane beam splitter be in 45 degree, the direction of mirror image of the reverse side of second plane beam splitter each other.
4. the projecting illumination system that LED as described in claim 1 and laser light source are constituted, which is characterized in that described first is flat
Two surfaces of face spectroscope, the second plane beam splitter and third plane beam splitter are coated with spectro film.
5. the projecting illumination system that LED as claimed in claim 4 and laser light source are constituted, which is characterized in that described first is flat
Spectroscopical two surfaces in face are coated with the spectro film of anti-feux rouges, anti-blue light, the light that reveals the green.
6. the projecting illumination system that LED as claimed in claim 4 and laser light source are constituted, which is characterized in that described second is flat
Spectroscopical two surfaces in face are coated with the spectro film of anti-blue light, saturating feux rouges, the light that reveals the green.
7. the projecting illumination system that LED as claimed in claim 4 and laser light source are constituted, which is characterized in that the third is flat
Spectroscopical two surfaces in face are coated with the polarization spectro film layer of the light that reveals the green, saturating blue light, saturating red P light, anti-red S light.
8. the projecting illumination system that LED as described in claim 1 and laser light source are constituted, which is characterized in that described first thoroughly
Mirror assembly, the second lens subassembly, the third lens component, the 4th lens subassembly and the 5th lens subassembly are respectively by several lens groups
At.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810244988.4A CN108415212A (en) | 2018-03-23 | 2018-03-23 | A kind of projecting illumination system of LED and laser light source composition |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810244988.4A CN108415212A (en) | 2018-03-23 | 2018-03-23 | A kind of projecting illumination system of LED and laser light source composition |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108415212A true CN108415212A (en) | 2018-08-17 |
Family
ID=63132372
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810244988.4A Pending CN108415212A (en) | 2018-03-23 | 2018-03-23 | A kind of projecting illumination system of LED and laser light source composition |
Country Status (1)
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| CN (1) | CN108415212A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108878760A (en) * | 2018-08-20 | 2018-11-23 | 安徽仁和光电科技有限公司 | A kind of battery insulating spacer with flame retarding function |
| CN110262172A (en) * | 2019-05-28 | 2019-09-20 | 吕素萍 | Projector based on liquid crystal light splitting mixes light source |
| CN111929973A (en) * | 2020-09-08 | 2020-11-13 | 深圳市大晟云视传媒科技有限公司 | Five-channel LED light path structure for projector |
| CN113406850A (en) * | 2021-06-29 | 2021-09-17 | 青岛海信激光显示股份有限公司 | Projection system |
| WO2022100097A1 (en) * | 2020-11-13 | 2022-05-19 | 歌尔股份有限公司 | Projection optical path and projection device |
| WO2023245936A1 (en) * | 2022-06-23 | 2023-12-28 | 青岛海信激光显示股份有限公司 | Light source device and projection system |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108878760A (en) * | 2018-08-20 | 2018-11-23 | 安徽仁和光电科技有限公司 | A kind of battery insulating spacer with flame retarding function |
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| CN111929973A (en) * | 2020-09-08 | 2020-11-13 | 深圳市大晟云视传媒科技有限公司 | Five-channel LED light path structure for projector |
| WO2022100097A1 (en) * | 2020-11-13 | 2022-05-19 | 歌尔股份有限公司 | Projection optical path and projection device |
| CN113406850A (en) * | 2021-06-29 | 2021-09-17 | 青岛海信激光显示股份有限公司 | Projection system |
| WO2023245936A1 (en) * | 2022-06-23 | 2023-12-28 | 青岛海信激光显示股份有限公司 | Light source device and projection system |
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