CN108180403A - A kind of liquid cold laser light-emitting device and preparation method thereof - Google Patents
A kind of liquid cold laser light-emitting device and preparation method thereof Download PDFInfo
- Publication number
- CN108180403A CN108180403A CN201810146846.4A CN201810146846A CN108180403A CN 108180403 A CN108180403 A CN 108180403A CN 201810146846 A CN201810146846 A CN 201810146846A CN 108180403 A CN108180403 A CN 108180403A
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- liquid
- wiring board
- cavity
- substrate
- emitting device
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- 239000007788 liquid Substances 0.000 title claims abstract description 52
- 238000002360 preparation method Methods 0.000 title abstract description 5
- 239000000758 substrate Substances 0.000 claims abstract description 28
- 238000006243 chemical reaction Methods 0.000 claims abstract description 23
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 18
- 239000000463 material Substances 0.000 claims abstract description 16
- 230000003760 hair shine Effects 0.000 claims abstract description 4
- 238000007789 sealing Methods 0.000 claims abstract description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 6
- 229910052782 aluminium Inorganic materials 0.000 claims description 6
- 239000003292 glue Substances 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 claims description 4
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims description 3
- 239000000853 adhesive Substances 0.000 claims description 3
- 230000001070 adhesive effect Effects 0.000 claims description 3
- 230000004069 differentiation Effects 0.000 claims description 3
- 210000004209 hair Anatomy 0.000 claims description 3
- 238000003754 machining Methods 0.000 claims description 3
- 238000005496 tempering Methods 0.000 claims description 3
- 239000011222 crystalline ceramic Substances 0.000 claims description 2
- 229910002106 crystalline ceramic Inorganic materials 0.000 claims description 2
- 239000005357 flat glass Substances 0.000 claims description 2
- 230000005855 radiation Effects 0.000 abstract description 3
- 238000000605 extraction Methods 0.000 abstract description 2
- 239000004065 semiconductor Substances 0.000 description 12
- 238000005286 illumination Methods 0.000 description 7
- 239000011521 glass Substances 0.000 description 5
- 239000004411 aluminium Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 241001025261 Neoraja caerulea Species 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 208000002925 dental caries Diseases 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000001755 magnetron sputter deposition Methods 0.000 description 1
- 230000035800 maturation Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 238000009738 saturating Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21K—NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
- F21K9/00—Light sources using semiconductor devices as light-generating elements, e.g. using light-emitting diodes [LED] or lasers
- F21K9/20—Light sources comprising attachment means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21K—NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
- F21K9/00—Light sources using semiconductor devices as light-generating elements, e.g. using light-emitting diodes [LED] or lasers
- F21K9/90—Methods of manufacture
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V19/00—Fastening of light sources or lamp holders
- F21V19/001—Fastening of light sources or lamp holders the light sources being semiconductors devices, e.g. LEDs
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V23/00—Arrangement of electric circuit elements in or on lighting devices
- F21V23/06—Arrangement of electric circuit elements in or on lighting devices the elements being coupling devices, e.g. connectors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
- F21V29/50—Cooling arrangements
- F21V29/502—Cooling arrangements characterised by the adaptation for cooling of specific components
- F21V29/503—Cooling arrangements characterised by the adaptation for cooling of specific components of light sources
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
- F21V29/50—Cooling arrangements
- F21V29/56—Cooling arrangements using liquid coolants
- F21V29/59—Cooling arrangements using liquid coolants with forced flow of the coolant
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2115/00—Light-generating elements of semiconductor light sources
- F21Y2115/30—Semiconductor lasers
Abstract
The present invention relates to a kind of liquid cold laser light-emitting device and preparation method thereof, which includes pedestal, lens, fluorescence conversion sheet and LD illuminating sources；Pedestal includes substrate, and substrate top is fixedly installed open-topped cavity, and cavity side opposite end offers liquid-inlet and liquid outlet；Lens are pasted in sealing at the top of cavity；Fluorescence conversion sheet is fixedly installed by fluorescent material supporter on the substrate in portion within the cavity；Fixed setting is welded with the circuit of LD illuminating sources between fluorescence conversion sheet and substrate.The big calorimetric that the work of LD illuminating sources generates is directly transferred to by wiring board and pin in liquid by the present invention, liquid is actively taken away hot, it ensure that the temperature in use of LD illuminating sources, with good heat conduction and heat radiation ability, light extraction efficiency and service life are effectively improved, radiator volume is reduced with power large area, it can realize that high power laser shines in small area light source, light efficiency is good, light-weight, at low cost, realizes LD laser lightings.
Description
Technical field
The present invention relates to a kind of liquid cold laser light-emitting devices and preparation method thereof, are related to lasing fluorescence technical field.
Background technology
Global energy crisis, environmental requirement be continuously improved in the case of, low-power consumption, the semiconductor lighting of long-life by
Universally acknowledged is a kind of energy-saving and environment-friendly important channel.Global government of major country pays much attention to semiconductor lighting, phase
After releasing semiconductor lighting plan, the situation that global semiconductor illumination technique surrounds breakthrough has been formed.With efficient high brightness
Semiconductor laser illumination is 21 century most promising new high-tech industry for the semiconductor lighting industry of core,
Cause global lighting source revolution.
Now with the development of semiconductor technology, semiconductor light emitting have it is efficient, it is energy saving, obtain the features such as environmentally-friendly long-life
Extensive use is arrived；Nobel Prize in physics winner, father's Shuji Nakamura on December 8th, 2014 of blue-ray LED is in this moral of Sweden
Ge Ermo universities, which are held in Nobel Prize souvenir speech, to point out, semiconductor laser illumination is the developing direction of following illumination.Laser
Illumination is with brightness height, good directionality, irradiation distance is remote, efficient, low energy consumption, is easy to the advantages such as light distribution；Therefore, Shuji Nakamura
It is expected that laser lighting replaces other semiconductor lightings in the future；It is contemplated that with the continuous maturation of technology, laser lighting into
This will constantly be reduced, and blue-light semiconductor laser lighting in the near future will be as the main stream light sources of lighting area.LD (semiconductors
Laser diode) blue laser brightness of illumination height, directionality is concentrated, therefore LD light sources and white light conversion material when being converted into white light
Material all generates a large amount of heat and heat is concentrated very much, if cannot will be unable to realize illumination fast and effectively by heat derives.
Invention content
In view of the above-mentioned problems, it shines dress the object of the present invention is to provide a kind of good heat conduction effect and liquid cold laser at low cost
Put and preparation method thereof.
To achieve the above object, the present invention takes following technical scheme：A kind of liquid cold laser light-emitting device, feature exist
In the device includes pedestal, lens, fluorescence conversion sheet and LD illuminating sources；The pedestal includes substrate, and the substrate top is consolidated
Surely open-topped cavity is provided with, cavity side opposite end offers liquid-inlet and liquid outlet；The cavity
The lens are pasted in top sealing；Institute is fixedly installed by fluorescent material supporter on the substrate of the inside cavity
State fluorescence conversion sheet；Fixed setting is welded with the circuit of the LD illuminating sources between the fluorescence conversion sheet and the substrate.
Further, the substrate top below the fluorescence conversion sheet is fixedly installed by wiring board support column
Wiring board, the wiring board top are welded with the LD illuminating sources, and the wiring board bottom is provided with circuit layer, the LD hairs
The pin of radiant is fixedly connected with the circuit layer across the wiring board and is connected.
Further, the lens use tempering flat glass lens of the thickness for 1~8mm.
Further, the fluorescence conversion sheet uses the YAG monocrystalline of 0.15~2mm thickness or YAG crystalline ceramics.
Further, 4 wavelength of LD illuminating sources is the laser diode of 450nm.
Further, the pedestal is made using aluminium.
To achieve the above object, the present invention takes following technical scheme：A kind of liquid cold laser light-emitting device production method,
It is characterized in that including the following contents：Integrally formed pedestal is obtained by machining, wherein, pedestal includes substrate and open top
Cavity, substrate top is machined with fluorescent material support column and wiring board support column, and the side opposite sides of cavity is machined with liquid
Body entrance mounting hole and liquid outlet mounting hole；Processing line plate, and in the circuit board according to requiring to be punched；LD is shone
Light source is placed at the top of assist side, and LD illuminating sources pin is inserted into the preset hole of wiring board, and carries out positive and negative anodes differentiation, by LD
Illuminating source pin passes through wiring board by the circuit layer of LD illuminating sources pin and wiring board bottom weld admittedly using scolding tin
Determine and be connected；The wiring board for being welded with LD illuminating sources is pasted and fixed on using adhesive glue at the top of wiring board support column；
Fluorescence conversion sheet is fixed at the top of fluorescent material support column；Lens are fixed on cavity top by the glue that is bonded and sealed
Portion；Liquid inlet duct and liquid outlet tube are separately mounted in the liquid inlet mounting hole and liquid outlet mounting hole of cavity.
The present invention has the following advantages due to taking above technical scheme：1st, fluorescent material is converted and generated by the present invention
Big calorimetric directly guided by liquid, make fluorescent material operating temperature not exceeded, it is ensured that fluorescent material will not high temperature failure, simultaneously
Improve transfer efficiency.2nd, the big calorimetric that the work of LD illuminating sources generates is directly transferred to liquid by the present invention by wiring board and pin
In body, liquid is actively taken away hot, ensure that the temperature in use of LD illuminating sources, has good heat conduction and heat radiation ability, effectively
Light extraction efficiency and service life are improved, radiator volume is reduced with power large area, can be realized in small area light source high-power sharp
Light shines, and light efficiency is good, light-weight, at low cost, realizes LD laser lightings.The present invention can be widely applied to liquid cold laser and shine
In the making and use of device.
Description of the drawings
Fig. 1 is the liquid cold laser luminous device structure schematic diagram of the present invention；
Fig. 2 is the liquid cold laser light-emitting device 3D sections structure diagram of the present invention, and wherein arrow represents light direction；
Reference numeral is in figure：1 pedestal, 11 substrates, 12 cavitys, 13 liquid-inlets, 14 liquid outlets, 15 fluorescent material branch
Dagger, 16 wiring board support columns, 17 wiring boards, 18 circuit layers, 2 glass lens, 3 fluorescence conversion sheets, 4LD illuminating sources, 5 are liquid
Body inlet tube, 6 liquid outlet tubes.
Specific embodiment
Come to carry out the present invention detailed description below in conjunction with attached drawing.It should be appreciated, however, that attached drawing has been provided only more
Understand the present invention well, they should not be interpreted as limitation of the present invention.
As shown in Figure 1 and Figure 2, liquid cold laser light-emitting device provided by the invention turns including pedestal 1, glass lens 2, fluorescence
Change piece 3 and LD illuminating sources 4.
Pedestal 1 includes substrate 11 and open-topped cavity 12, and circular cylindrical cavity 12 is fixedly installed in the top of substrate 11,
12 side opposite end of cavity offers liquid-inlet 13 and liquid outlet 14, and the top sealing of cavity 12 is pasted with glass lens
2,11 top of substrate in cavity 12 by several fluorescent material support columns 15 (it is without being limited thereto as example, may be used
Other supporters are supported) fixed setting fluorescence conversion sheet 3, pass through line positioned at 11 top of substrate of 3 lower section of fluorescence conversion sheet
Wiring board 17 is fixedly installed in road plate support column 16, and the top of wiring board 17 is welded with LD illuminating sources 4, and the bottom of wiring board 17 is set
Circuit layer 18 is equipped with, the pin of LD illuminating sources 4 passes through 18 nailed circuit layer 18 of wiring board and is connected.
In a preferred embodiment, pedestal 1 may be used aluminium and be made.
In a preferred embodiment, thickness may be used as 1~8mm tempering planar lens in glass lens 2.
In a preferred embodiment, it is saturating for the YAG monocrystalline or YAG of 0.15~2mm that thickness may be used in fluorescence conversion sheet 3
Bright ceramics.
In a preferred embodiment, thickness may be used as 0.5~2mm aluminum substrates, copper base, nitridation in wiring board 17
Aluminum substrate or aluminum oxide substrate.
In a preferred embodiment, wavelength may be used as 450nm in LD illuminating sources 4, and power is the laser of 80mw
Diode.
In a preferred embodiment, circuit layer 18 include pin pad, circuit can by silk-screen, magnetron sputtering or
The usual manners such as plating make, and are the prior art, as long as LD illuminating sources 4 can be driven to be worked, do not do herein
It limits.
The present invention also provides the production methods of liquid cold laser light-emitting device, include the following steps：
1st, pedestal 1 is obtained by machining aluminium block, wherein, pedestal 1 includes substrate 11 and cavity 12, and 11 top of substrate adds
Work has fluorescent material support column 15 and wiring board support column 16, and the side opposite sides of cavity 12 is machined with liquid inlet mounting hole
With liquid outlet mounting hole；
2nd, processing line plate 17, and according to requiring to be punched in assist side 17；
3rd, LD illuminating sources 4 are placed into 17 top of assist side, 4 pin of LD illuminating sources is inserted into 17 preset hole of wiring board
It is interior, and carry out positive and negative anodes differentiation, by 4 pin of LD illuminating sources pass through wiring board 17 using scolding tin by 4 pin of LD illuminating sources with
The circuit layer 18 of 17 bottom of wiring board is welded and fixed and is connected；
4th, the wiring board 17 for being welded with LD illuminating sources 4 is pasted and fixed on wiring board support column 16 using adhesive glue
Top；
5th, thickness is fixed at 15 top of fluorescent material support column for 0.25mm fluorescence conversion sheet 3；
6th, glass lens 2 is fixed on 12 top of cavity by the glue that is bonded and sealed；
The 7th, liquid that the liquid outlet tube 6 of the liquid inlet duct 5 of a diameter of 8mm and 8mm is separately mounted to cavity 12 enters
In mouth mounting hole and liquid outlet mounting hole；
8th, liquid is injected from liquid inlet duct 5 in cavity 12, in use, the big calorimetric that the conversion of fluorescence conversion sheet 3 generates
And the big calorimetric that the work of LD illuminating sources 4 generates directly is guided by liquid, has good heat conduction and heat radiation ability.
The various embodiments described above are merely to illustrate the present invention, wherein the structure of each component, connection mode and manufacture craft etc. are all
It can be varied from, every equivalents carried out on the basis of technical solution of the present invention and improvement should not exclude
Except protection scope of the present invention.
Claims (7)
1. a kind of liquid cold laser light-emitting device, which is characterized in that the device shines including pedestal, lens, fluorescence conversion sheet and LD
Light source；
The pedestal includes substrate, and the substrate top is fixedly installed open-topped cavity, and the cavity side is with respect to two
End offers liquid-inlet and liquid outlet；
The lens are pasted in sealing at the top of the cavity；
The fluorescence conversion sheet is fixedly installed by fluorescent material supporter on the substrate of the inside cavity；
Fixed setting is welded with the circuit of the LD illuminating sources between the fluorescence conversion sheet and the substrate.
2. liquid cold laser light-emitting device as described in claim 1, which is characterized in that the institute below the fluorescence conversion sheet
It states substrate top and wiring board is fixedly installed by wiring board support column, the LD illuminating sources are welded at the top of the wiring board,
The wiring board bottom is provided with circuit layer, and the pin of the LD illuminating sources is fixedly connected with the circuit across the wiring board
Layer is simultaneously connected.
3. liquid cold laser light-emitting device as described in claim 1, which is characterized in that the lens use thickness as 1~8mm's
Tempering flat glass lens.
4. such as claims 1 to 3 any one of them liquid cold laser light-emitting device, which is characterized in that the fluorescence conversion sheet is adopted
With the YAG monocrystalline of 0.15~2mm thickness or YAG crystalline ceramics.
5. such as claims 1 to 3 any one of them liquid cold laser light-emitting device, which is characterized in that 4 wave of LD illuminating sources
The laser diode of a length of 450nm.
6. such as claims 1 to 3 any one of them liquid cold laser light-emitting device, which is characterized in that the pedestal uses aluminum
It forms.
7. a kind of liquid cold laser light-emitting device production method, it is characterised in that including the following contents：
Integrally formed pedestal is obtained by machining, wherein, pedestal includes substrate and open-topped cavity, substrate top add
Work has fluorescent material support column and wiring board support column, and the side opposite sides of cavity is machined with liquid inlet mounting hole and liquid
Export mounting hole；
Processing line plate, and in the circuit board according to requiring to be punched；LD illuminating sources are placed at the top of assist side, LD hairs
Radiant pin is inserted into the preset hole of wiring board, and carries out positive and negative anodes differentiation, and LD illuminating source pins are adopted across wiring board
The circuit layer of LD illuminating sources pin and wiring board bottom is welded and fixed and is connected with scolding tin；LD hairs will be welded with
The wiring board of radiant is pasted and fixed on using adhesive glue at the top of wiring board support column；
Fluorescence conversion sheet is fixed at the top of fluorescent material support column；
Lens are fixed on by the glue that is bonded and sealed at the top of cavity；
Liquid inlet duct and liquid outlet tube are separately mounted in the liquid inlet mounting hole and liquid outlet mounting hole of cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810146846.4A CN108180403A (en) | 2018-02-12 | 2018-02-12 | A kind of liquid cold laser light-emitting device and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810146846.4A CN108180403A (en) | 2018-02-12 | 2018-02-12 | A kind of liquid cold laser light-emitting device and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108180403A true CN108180403A (en) | 2018-06-19 |
Family
ID=62552600
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810146846.4A Pending CN108180403A (en) | 2018-02-12 | 2018-02-12 | A kind of liquid cold laser light-emitting device and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108180403A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108899747A (en) * | 2018-08-29 | 2018-11-27 | 佛山市辉康光电技术有限公司 | A kind of light supply apparatus based on fluorescent crystal pumping optical waveguide |
| CN108923238A (en) * | 2018-08-29 | 2018-11-30 | 佛山市辉康光电技术有限公司 | A kind of profile pump light supply apparatus |
| CN112648548A (en) * | 2020-12-24 | 2021-04-13 | 中国科学院半导体研究所 | Laser lighting device |
| WO2023193915A1 (en) * | 2022-04-07 | 2023-10-12 | Peschl Ultraviolet Gmbh | Surface radiator, device comprising the surface radiator and use of the surface radiator |
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