CN107861322A - A kind of efficient laser illumination system - Google Patents
A kind of efficient laser illumination system Download PDFInfo
- Publication number
- CN107861322A CN107861322A CN201610839455.1A CN201610839455A CN107861322A CN 107861322 A CN107861322 A CN 107861322A CN 201610839455 A CN201610839455 A CN 201610839455A CN 107861322 A CN107861322 A CN 107861322A
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- CN
- China
- Prior art keywords
- laser
- light
- emitting device
- semiconductor light
- illumination system
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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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
- G03B21/16—Cooling; Preventing overheating
-
- 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
- G03B21/208—Homogenising, shaping of the illumination light
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Optics & Photonics (AREA)
- Semiconductor Lasers (AREA)
Abstract
The invention discloses a kind of efficient laser illumination system, laser semiconductor light-emitting device, heat abstractor, telescopic system, light-dividing device, focusing arrangement, fluorescence disk, wherein, heat abstractor includes copper coin and cooler bin, laser semiconductor light-emitting device fits in the one side of copper coin, cooler bin fits in the another side of copper coin, the laser that telescopic system sends laser semiconductor light-emitting device is first focused collimate processing again after, send to light-dividing device, light-dividing device is launched to fluorescence disk after secondary focusing is carried out after laser is divided.Double-radiation function mechanism ensures the effective luminous energy and luminous efficiency of 465nm LASER Light Sources.It is simple in construction using 465nm semiconductor laser light resources, improve optical efficiency.The principle of telescopic system is employed, effectively reduces the volume of whole system, light is reduced and transmits ray surface, further improves effective utilization of illuminator 465nm light sources.
Description
Technical field
The invention belongs to laser projection lighting field, and in particular to a kind of efficient laser illumination system.
Background technology
With the rapid development of Chinese national economy, the field of laser lighting and laser display is continuously increased.It is all to swash
It is low that optical illumination and laser display presently, there are lasing fluorescence efficiency, particularly more prominent in laser display field, existing market
Upper laser lighting and laser display mainly have two ways, and RGB semiconductor lasers are swashed by fiber coupling mode and single wavelength
Light is realized by excitated fluorescent powder mode.
Existing laser lighting technology has that conversion efficiency is low, and bulky, actual life is short, and mounting process is complicated, stable
The problems such as property difference.
The content of the invention
The technical problems to be solved by the invention are：A kind of efficient laser illumination system is provided, solved in the prior art
The problem of laser lighting conversion ratio is low, stability is poor.
The present invention uses following technical scheme to solve above-mentioned technical problem：
A kind of efficient laser illumination system, laser semiconductor light-emitting device, heat abstractor, telescopic system, light-dividing device,
Focusing arrangement, fluorescence disk, wherein, heat abstractor includes copper coin and cooler bin, and laser semiconductor light-emitting device fits in copper coin
One side, cooler bin fits in the another side of copper coin, and the laser that telescopic system sends laser semiconductor light-emitting device is advanced
After line focusing collimates processing again, send to light-dividing device, light-dividing device is launched to glimmering after secondary focusing is carried out after laser is divided
CD-RW discsCD-RW.
The light-dividing device is binomial color chips, and the incident laser hot spot section on the binomial color chips is ellipse light spot, according to
Ellipse light spot X, the angle difference of Y-axis set plated film on dichroic piece.
Also include light-emitting window condenser lens, the light for binomial color chips to be reflected is sent after focusing on.
Telescopic system includes condenser lens and collimation lens, and the laser that laser semiconductor light-emitting device is sent first passes through poly-
Focus lens, then directional light is sent after collimation lens, the parallel optical width after collimation is sent out less than laser semiconductor light-emitting device
The laser width gone out.
The optical maser wavelength that laser semiconductor light-emitting device is sent is 465nm.
Compared with prior art, the invention has the advantages that：
1st, double-radiation function mechanism carries out secondary dissipate by water cooling and air-cooled efficient combination body by copper coin and cooler bin
Heat, ensure the effective luminous energy and luminous efficiency of 465nm LASER Light Sources.
2nd, 465nm semiconductor laser light resources pass through other wavelength required for bombarding fluorescent material generation illuminator, structure
Simply, the optical element required for illuminator shaping is simplified, so as to substantially increase optical efficiency.
3rd, the principle of telescopic system is employed in whole reforming process, reduces the number of optical element in orthopedic systems
Amount, effectively reduces the volume of whole system, reduces light and transmit ray surface, further improve illuminator 465nm light
Effective utilization in source.
Brief description of the drawings
Fig. 1 is that laser illumination system composition frame chart of the present invention and light path move towards figure.
Wherein, being identified as in figure：1- laser semiconductor light-emitting devices；The condenser lenses of 2- first；3- collimation lenses；4- bis-
Item color chips；The condenser lenses of 5- second；6- tertiary focusing lens；7- fluorescence disks；The condenser lenses of 8- the 4th；9- the 5th focuses on saturating
Mirror；10- cooler bins；A- copper coins.
Embodiment
The structure and the course of work of the present invention are described further below in conjunction with the accompanying drawings.
As shown in figure 1, a kind of efficient laser illumination system, laser semiconductor light-emitting device 1, heat abstractor, telescope system
System, light-dividing device, focusing arrangement, fluorescence disk, wherein, heat abstractor includes copper coin A and cooler bin 10, and laser semiconductor lights
Device fits in copper coin A one side, and cooler bin 10 fits in copper coin A another side, and telescopic system lights laser semiconductor
The laser that device 1 is sent first is focused collimate processing again after, send to light-dividing device, light-dividing device is carried out after laser is divided
Launch after secondary focusing to fluorescence disk 7.
The light-dividing device is binomial color chips 4, and coating film treatment, X-axis are carried out according to the length of X, Y-axis on the binomial color chips 4
Unequal with the length of Y-axis, the fluorescence that fluorescence disk 7 is reflected back is ellipse light spot by the back reflection of binomial color chips 4.The light splitting
Device is binomial color chips 4, according to the angle that incident laser hot spot section is ellipse light spot X, Y (fast and slow axis) on the binomial color chips 4
Difference carries out targetedly coating film treatment, makes irregular laser facula reflectivity higher.
Also include light-emitting window condenser lens, light-emitting window condenser lens is by 9 groups of the 4th condenser lens 8 and the 5th condenser lens
Into the light for binomial color chips to be reflected is sent after focusing on.
Telescopic system includes condenser lens 2 and collimation lens 3, and the laser that laser semiconductor light-emitting device 1 is sent first passes through
Over-focusing lens 2, then directional light is sent after collimation lens 3, the parallel optical width after collimation lights less than laser semiconductor
The laser width that device 1 is sent.
The optical maser wavelength that laser semiconductor light-emitting device 1 is sent is 465nm.
The secondary focusing uses the second condenser lens 5 and the combination of tertiary focusing lens 6, effectively can will pass through two
To fluorescence disk, the fluorescence disk of the embodiment is reflective fluorescence disk for transmitting after the Laser Focusing of item color chips.
Illustrate the operation principle and process of the present invention below by specific embodiment.
This programme includes the shaping of laser and two kinds of the conversion of light wave, and system front end is provided with laser radiating module and laser is whole
Shape module, System Back-end contain laser light wave modular converter and Shaping Module, wherein laser of the system front end to wavelength 465nm
Light source carries out radiating treatment, and the height of conversion efficiency is except required for semiconductor to be ensured itself work in laser illumination system
It is also in need outside operating temperature to stop enough surpluses on this basis.
In order to reach this requirement, the present invention has reached efficient laser illumination system institute using internal-circulation type double-radiation function scheme
The basic condition needed, the structure and form of LASER Light Source shaping not only have a great influence to illumination system efficiency, and in technique and
The complexity of installation side is also quite big, and 465nm semiconductor laser light resources are produced illumination system by the present invention by bombarding fluorescent material
Other wavelength required for system, it is simple in construction, the optical element required for illuminator shaping is simplified, so as to substantially increase
Optical efficiency；
The present invention is to employ 465nm LASER Light Sources bombardment fluorescent material, and conventional lighting systems only have 445nm laser light
Source, the relatively conventional 445nm of the 465nm of the present invention LASER Light Source institute of the present invention in the case of the identical fluorescent material of laser
The 465nm of use has higher luminous efficiency.
Double-radiation function mechanism of the present invention first imported into copper by water cooling and air-cooled efficient combination body, semiconductor institute caloric value
Plate A, copper coin A will tentatively be radiated by the auxiliary of radiator fan and the heat dispersion of itself, and residue is not dispersed completely
Heat imported into beside copper coin A and carry out secondary radiating in the cooler bin equipped with coolant, so ensure after double-radiation function
The effective luminous energy and luminous efficiency of 465nm LASER Light Sources；
By carrying out the high-efficiency shaping of light beam after ensuring that laser semiconductor normally and efficiently lights, pass through condenser lens and collimation
The efficient combination of lens, caused larger light beam after array semi-conductor is reduced to smaller light beams, effectively reduces whole system
Volume, and to employing the principle of telescopic system in whole reforming process, therefore substantially reduce optics zero in orthopedic systems
The quantity of part, reduce light and transmit ray surface, so as to further improve illuminator on the basis of miniaturization is reached
Effective utilization of 465nm light sources,
465nm laser beams after shaping by after two-phase color chips by being previously mentioned in the present invention to rear end shaping system again
System bombardment is sintered in the rotary reflection fluorescence disk above ceramics, is converged on disk and forms the bright luminous point of high energy, passes through 465nm
Laser spot and fluorescent material chemical reaction, so as to generate other ripples required for the illuminator being previously mentioned in the present invention
Long light,
Returned by the light of other wavelength caused by the fluorescent material laser of rotary reflection type by rear end orthopedic systems original road
Return, ellipse light spot is formed by reflexing to up to light-emitting window for the different reflection membrane system of X with Y semiaxis in two-phase color chips, two in the present invention
Phase color chips using different membrane systems be because two-phase color chips reflection X with Y semiaxis be light angle difference, to the light of different angle
Reflection efficiency is improved using different Film Designs and plated film mode, so as to improve overall system efficiency.
Reflective fluorescence disk includes substrate, the fluorescent material area being arranged on substrate and laser full impregnated and crosses area, wherein, fluorescence
Powder area includes yellow fluorescent powder area and green emitting phosphor area, and yellow fluorescent powder, green emitting phosphor laser and full impregnated cross area by substrate
Three parts sector region is equally divided into, the fluorescent reflection that fluorescent material area goes out laser excitation is gone out, and laser full impregnated crosses area by laser
All pass through.
Claims (5)
- A kind of 1. efficient laser illumination system, it is characterised in that：Laser semiconductor light-emitting device, heat abstractor, telescopic system, Light-dividing device, focusing arrangement, fluorescence disk, wherein, heat abstractor includes copper coin and cooler bin, laser semiconductor light-emitting device patch Together in the one side of copper coin, cooler bin fits in the another side of copper coin, and telescopic system sends laser semiconductor light-emitting device Laser is first focused collimate processing again after, send to light-dividing device, light-dividing device laser is divided after carry out secondary focusing after Launch to fluorescence disk.
- 2. efficient laser illumination system according to claim 1, it is characterised in that：The light-dividing device is binomial color chips, Incident laser hot spot section on the binomial color chips is ellipse light spot, according to ellipse light spot X, Y-axis angle difference two to Plated film is set on color chips.
- 3. efficient laser illumination system according to claim 1, it is characterised in that：Also include light-emitting window condenser lens, use Sent after the light for reflecting binomial color chips focuses on.
- 4. efficient laser illumination system according to claim 1, it is characterised in that：Telescopic system include condenser lens and Collimation lens, the laser that laser semiconductor light-emitting device is sent first pass through condenser lens, then send after collimation lens parallel Light, the parallel optical width after collimation are less than the laser width that laser semiconductor light-emitting device is sent.
- 5. efficient laser illumination system according to claim 1, it is characterised in that：Laser semiconductor light-emitting device is sent Optical maser wavelength is 465nm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610839455.1A CN107861322A (en) | 2016-09-22 | 2016-09-22 | A kind of efficient laser illumination system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610839455.1A CN107861322A (en) | 2016-09-22 | 2016-09-22 | A kind of efficient laser illumination system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107861322A true CN107861322A (en) | 2018-03-30 |
Family
ID=61698595
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610839455.1A Pending CN107861322A (en) | 2016-09-22 | 2016-09-22 | A kind of efficient laser illumination system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107861322A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108224361A (en) * | 2018-01-18 | 2018-06-29 | 云南裕光科技有限公司 | A kind of laser illuminator system and laser lighting method |
| WO2023024189A1 (en) * | 2021-08-26 | 2023-03-02 | 新沂市锡沂高新材料产业技术研究院有限公司 | Green light source with high-saturation power density |
Citations (6)
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| US20120242912A1 (en) * | 2011-03-23 | 2012-09-27 | Panasonic Corporation | Light source apparatus and image display apparatus using the same |
| CN102929086A (en) * | 2012-08-22 | 2013-02-13 | 深圳市绎立锐光科技开发有限公司 | Light emitting device and related projection system |
| CN103424973A (en) * | 2012-05-18 | 2013-12-04 | 株式会社理光 | Light source apparatus and image projection apparatus and display apparatus |
| CN105467737A (en) * | 2015-12-29 | 2016-04-06 | 海信集团有限公司 | Laser light source device and laser projection equipment |
| CN105652573A (en) * | 2016-03-25 | 2016-06-08 | 海信集团有限公司 | Laser projection device |
| CN206039134U (en) * | 2016-09-22 | 2017-03-22 | 上海激亮光电科技有限公司 | High -efficient laser lighting system |
-
2016
- 2016-09-22 CN CN201610839455.1A patent/CN107861322A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20120242912A1 (en) * | 2011-03-23 | 2012-09-27 | Panasonic Corporation | Light source apparatus and image display apparatus using the same |
| CN103424973A (en) * | 2012-05-18 | 2013-12-04 | 株式会社理光 | Light source apparatus and image projection apparatus and display apparatus |
| CN102929086A (en) * | 2012-08-22 | 2013-02-13 | 深圳市绎立锐光科技开发有限公司 | Light emitting device and related projection system |
| CN105467737A (en) * | 2015-12-29 | 2016-04-06 | 海信集团有限公司 | Laser light source device and laser projection equipment |
| CN105652573A (en) * | 2016-03-25 | 2016-06-08 | 海信集团有限公司 | Laser projection device |
| CN206039134U (en) * | 2016-09-22 | 2017-03-22 | 上海激亮光电科技有限公司 | High -efficient laser lighting system |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108224361A (en) * | 2018-01-18 | 2018-06-29 | 云南裕光科技有限公司 | A kind of laser illuminator system and laser lighting method |
| WO2023024189A1 (en) * | 2021-08-26 | 2023-03-02 | 新沂市锡沂高新材料产业技术研究院有限公司 | Green light source with high-saturation power density |
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| TA01 | Transfer of patent application right |
Effective date of registration: 20180703 Address after: 200000 Room 309, 76 and 78, JIANGCHANG Road, Jingan District, Shanghai, three Applicant after: CATIC Chinese painting (Shanghai) laser display technology Co., Ltd. Address before: 200000 room 3, 2 building, 7001 Chung Chun Road, Minhang District, Shanghai, C3067 Applicant before: Shanghai focus Photoelectric Technology Co., Ltd. |