CN108730922A - A kind of generating device of laser and its implementation - Google Patents
A kind of generating device of laser and its implementation Download PDFInfo
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- CN108730922A CN108730922A CN201710244440.5A CN201710244440A CN108730922A CN 108730922 A CN108730922 A CN 108730922A CN 201710244440 A CN201710244440 A CN 201710244440A CN 108730922 A CN108730922 A CN 108730922A
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- laser
- conversion medium
- light
- emitting device
- laser beam
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- 238000006243 chemical reaction Methods 0.000 claims abstract description 260
- 230000005284 excitation Effects 0.000 claims abstract description 23
- 230000000694 effects Effects 0.000 claims abstract description 18
- 239000000843 powder Substances 0.000 claims description 41
- 238000000034 method Methods 0.000 claims description 22
- 238000000295 emission spectrum Methods 0.000 claims description 17
- 230000003595 spectral effect Effects 0.000 claims description 16
- 230000000149 penetrating effect Effects 0.000 claims description 9
- 239000003292 glue Substances 0.000 claims description 8
- PNEYBMLMFCGWSK-UHFFFAOYSA-N Alumina Chemical compound [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 6
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 4
- 239000004411 aluminium Substances 0.000 claims description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 4
- 229910052782 aluminium Inorganic materials 0.000 claims description 4
- 239000011248 coating agent Substances 0.000 claims description 4
- 238000000576 coating method Methods 0.000 claims description 4
- 150000004767 nitrides Chemical class 0.000 claims description 4
- 239000004332 silver Substances 0.000 claims description 4
- 229910052709 silver Inorganic materials 0.000 claims description 4
- 239000006227 byproduct Substances 0.000 claims 1
- 229910052573 porcelain Inorganic materials 0.000 claims 1
- 238000009738 saturating Methods 0.000 claims 1
- 239000007787 solid Substances 0.000 claims 1
- 238000000605 extraction Methods 0.000 abstract description 11
- 238000010586 diagram Methods 0.000 description 4
- 238000002834 transmittance Methods 0.000 description 3
- 230000001788 irregular Effects 0.000 description 2
- 230000003760 hair shine Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
Classifications
-
- 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
- F21V9/00—Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters
-
- 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
- F21V7/00—Reflectors for light sources
- F21V7/22—Reflectors for light sources characterised by materials, surface treatments or coatings, e.g. dichroic reflectors
Abstract
The present invention relates to a kind of generating device of laser, including laser beam emitting device and in face of the laser beam emitting device laser emitting end setting and with the laser beam emitting device maintain one it is intersegmental away from light conversion medium, the smooth conversion medium can absorb the laser that the laser beam emitting device is launched, and obtain the outgoing light source of required colour temperature.The invention overcomes existing laser and excites incomplete, the outgoing disadvantage that light source is uneven, light-out effect is bad using the light conversion medium caused by the light extraction of beam projecting face back side illuminaton beam projecting face by the excitation of light conversion medium, the exciting light conversion medium by the way of the irradiation light exit facet light extraction of beam projecting face has the advantages that the excitation of light conversion medium is complete, outgoing light source is uniform, light-out effect is good.
Description
Technical field
The present invention relates to a kind of generating device of laser and its implementation, especially a kind of laser white light generating means and its
Implementation method is applied in lighting area.
Background technology
Existing laser excitation is usually to be irradiated to excite it at the beam projecting face back of light conversion medium,
The outgoing light source of acquisition is by light source exit facet (i.e. positive) outgoing.But since the more general light beam of the light intensity of laser is much better than, and light
Spot compares concentration, and general smooth conversion medium is not easy to be excited completely, thus irregular colour often occurs at the edge of outgoing light source
Phenomena such as, affect the source mass of outgoing light source.Therefore provide a kind of smooth conversion medium excitation completely, outgoing light source uniformly,
The good generating device of laser of light-out effect and its implementation oneself become when business urgently.
Invention content
In order to overcome existing laser to be excited using beam projecting face back side illuminaton beam projecting by light conversion medium
Light conversion medium caused by the light extraction of face excites incomplete, the outgoing disadvantage that light source is uneven, light-out effect is bad, the present invention to carry
For a kind of generating device of laser and its implementation, the exciting light by the way of the irradiation light exit facet light extraction of beam projecting face
Conversion medium has the advantages that the excitation of light conversion medium is complete, outgoing light source is uniform, light-out effect is good.
Technical scheme is as follows：
A kind of generating device of laser, including laser beam emitting device and the laser emitting end in face of the laser beam emitting device
It is arranged and is maintained with the laser beam emitting device light conversion medium of the spacing (generally between 1mm-30cm) of setting, the light
Conversion medium can absorb the laser that the laser beam emitting device is launched, and obtain the outgoing light source of required colour temperature.The light conversion
The beam projecting of medium is facing towards the laser emitting end of the laser beam emitting device, and the laser beam emitting device deviates the light and turns
Change the axial centerline of medium；The generating device of laser further includes that setting is sent out in the smooth conversion medium back to the laser
The support fixation in the laser emitting end one side dead astern of injection device and reflection unit, the support is fixed and reflection unit includes energy
Is risen by supporting role and can the laser reflection of penetrate light conversion medium be returned the light conversion medium for light conversion medium and is carried out again
Support reflecting plate jointly turns light with the support reflecting plate of secondary excitation conversion and the energy extended on the support reflecting plate
Medium is changed to carry out support and limit fixed multiple support arms；The area of the support reflecting plate is slightly larger than the smooth conversion medium
Back to projected area of the laser emitting end one side on the support reflecting plate of the laser beam emitting device.
The back side illuminaton that is different from used by existing generating device of laser in light conversion medium and from its front outgoing
Exciting method, the generating device of laser of the application is in light conversion medium back to the laser emitting end one side of the laser beam emitting device
Dead astern be provided with that support is fixed and reflection unit, after laser is incident from light conversion medium front, exciting light conversion medium
It shines and penetrates the light conversion medium, single-shot cannot complete exciting light conversion medium.The penetrate light conversion medium swashs
After light reaches the support reflecting plate for supporting fixed and reflection unit, it is reflected back toward light conversion medium and it is excited again, no
It is only capable of the excitation of light conversion medium completely, and light conversion medium can be improved and excite non-uniform situation.With time conversion medium
The light sent out that is excited also is reflected when reaching support reflection Board position, from light conversion medium front light extraction.Final outgoing light source
(outgoing light source be the laser and light conversion medium be excited the mixture of the light sent out) from the positive light extraction of light conversion medium,
Conventional laser is overcome to light conversion medium back side illuminaton front light extraction, and since laser beam is too strong and hot spot compares collection
In, it is bad that caused light conversion medium excites the edge for being not exclusively emitted light source irregular colour phenomenon, light-out effect often occur
The shortcomings that.The emergent light excitation of the laser excitation device is completely, outgoing light source is uniform, light-out effect is good.Wherein, reflecting plate is supported
The smooth conversion medium can be closely set in back to the dead astern of the laser emitting end one side of the laser beam emitting device, or should
Between supporting reflecting plate that can keep certain with the laser emitting end one side of the smooth conversion medium back to the laser beam emitting device
Away from.
The support reflecting plate is alumina ceramic plate, minute surface aluminium sheet or is equipped at least towards light conversion medium one side silver-plated
Any one of the plank of layer.
The support baffle reflection effect is good, can further promote excitation conversion ratio and light-out effect.
Wave-length coverage is included at least in the laser that the laser beam emitting device is launched between the laser of 200-470nm, institute
The emission spectrum for stating light conversion medium is one or more spectral combinations in 460-800nm, and the smooth conversion medium is inhaled
The laser is received, the laser white light for obtaining 1500-8000K colour temperatures is emitted light source.
The light conversion medium of the laser cooperation specific emission spectrum can obtain the purer laser of 1500-8000K colour temperatures
White light is emitted light source.
The smooth conversion medium is the fluorescent powder block mixed by fluorescent powder and glue, is included at least in the fluorescent powder
A kind of fluorescent powder of yellow or yellow green.
The smooth conversion medium is simple and easy to get, at low cost.
The fluorescent powder of the yellow or yellow green is any one of TAG, YAG or Nitride systems.
It is good using the light conversion medium excitation conversion effect made by the fluorescent powder of above-mentioned yellow or yellow green.
Visible light transmittance >=80% of the smooth conversion medium.
The light conversion medium of high visible light transmissivity absorbs the more efficient of excitation laser and light extraction, realizes high light
Transfer efficiency.
The increasing for the 400-800nm that can promote outgoing light source light-out effect is coated on the beam projecting face of the smooth conversion medium
Permeable membrane.
The setting of anti-reflection film so that more excite the shoot laser white light sources of the 400-800nm wave-length coverages being converted into from
The beam projecting face outgoing effect of light conversion medium is more preferable, improves brightness and the quality of outgoing light source.
The implementation method of the generating device of laser, including the laser irradiation that the laser beam emitting device is launched turn to light
Medium is changed, is absorbed by the light conversion medium, the outgoing light source of required colour temperature is obtained.The implementation method further includes penetrating the light to turn
The laser for changing medium reaches the laser emitting end one side being arranged in the smooth conversion medium back to the laser beam emitting device
When the support in dead astern is fixed and Board position is reflected in the support of reflection unit, the light conversion is returned by the support baffle reflection and is situated between
Matter is excited again
By the cooperation of above-mentioned preferred incident laser and light conversion medium, the laser of the good colour temperature of purity can get
White light is emitted light source.
Conversion.
The implementation method of the generating device of laser of the application is different from existing laser excitation and uses back side illuminaton front light extraction
Mode, but use front illuminated front light extraction, support fixation and the reflection unit of support reflecting plate carried by adding, is made
Penetrate the laser of the light conversion medium after exciting light conversion medium and can carry out two times transfer to light conversion medium, greatly improve
Transfer efficiency so that laser excitation conversion is complete.
The laser beam emitting device is launched including at least wave-length coverage to the smooth conversion medium between 200-470nm's
Laser, the emission spectrum are that the light conversion medium of one or more spectral combinations in 460-800nm absorbs the laser,
The laser white light for obtaining 1500-8000K colour temperatures is emitted light source.
By the cooperation of above-mentioned preferred incident laser and light conversion medium, the laser of the good colour temperature of purity can get
White light is emitted light source.
Compared with prior art, the present patent application has the following advantages：
1) generating device of laser of the application uses the side of light conversion medium beam projecting face irradiation light exit facet light extraction
Formula exciting light conversion medium supports fixed and reflection unit to realize by the back side setting in light conversion medium beam projecting face
Support to light conversion medium and to the incident laser of penetrate light conversion medium and the reflection of outgoing light source is obtained, to overcome
The excitation of conventional laser exciting light conversion medium is incomplete, is emitted the disadvantage that light source is uneven, light-out effect is bad；
2) preferably support baffle reflection effect is good and at low cost, durable；
3) by the cooperation of preferred incident laser and light conversion medium, the laser that can get the good colour temperature of purity is white
Light is emitted light source.
Description of the drawings
Fig. 1 is the overall structure diagram one of generating device of laser embodiment 1-4 of the present invention；
Fig. 2 is the overall structure diagram two of generating device of laser embodiment 1-4 of the present invention；
Fig. 3 is the sectional view that generating device of laser embodiment 2,3,5,6 of the present invention supports reflecting plate；
Fig. 4 is the sectional view one that generating device of laser embodiment 4,7 of the present invention supports reflecting plate；
Fig. 5 is the sectional view two that generating device of laser embodiment 4,7 of the present invention supports reflecting plate；
Fig. 6 is the overall structure diagram one of generating device of laser embodiment 5-7 of the present invention；
Fig. 7 is the overall structure diagram two of generating device of laser embodiment 5-7 of the present invention.
Label declaration：
Laser beam emitting device 1, light conversion medium 2, support is fixed and reflection unit 3, laser emitting end 11, beam projecting face
21, anti-reflection film 22, support reflecting plate 31, support arm 32, silver coating 311.
Specific implementation mode
Technical scheme of the present invention is described in detail in 1-7 with reference to the accompanying drawings of the specification.
Embodiment 1
As shown in Figs. 1-2, a kind of generating device of laser of the present invention, including laser beam emitting device 1 and face institute
It states the setting of laser emitting end 11 of laser beam emitting device 1 and the light for maintaining the spacing of setting with the laser beam emitting device 1 is converted
Medium 2, the smooth conversion medium 2 can absorb the laser that the laser beam emitting device 1 is launched, and obtain the emergent light of required colour temperature
Source.The beam projecting face 21 of the smooth conversion medium 2 is towards the laser emitting end 11 of the laser beam emitting device 1, and the laser
Emitter 1 deviates the axial centerline of the smooth conversion medium 2；The generating device of laser further includes being arranged in the light
Support fixation and reflection unit 3 of the conversion medium 2 back to the 11 one side dead astern of laser emitting end of the laser beam emitting device 1,
The support is fixed and reflection unit 3 includes can play light conversion medium 2 supporting role and can be by the institute of penetrate light conversion medium 2
State laser reflection return the light conversion medium 2 excited the support reflecting plate 31 of conversion again and by prolonging on the support reflecting plate 31
That stretches can coordinate support reflecting plate 31 to carry out support to light conversion medium 2 jointly and limit fixed multiple support arms 32；
The area of the support reflecting plate 31 is slightly larger than the smooth conversion medium 2 back to the laser emitting end of the laser beam emitting device 1
Projected area of 11 one sides on the support reflecting plate 31.Wherein, support reflecting plate 31 can be closely set in the light conversion and be situated between
Matter 2 can back to the dead astern (Fig. 2) of 11 one side of laser emitting end of the laser beam emitting device 1 or the support reflecting plate 31
Certain spacing (Fig. 1) is kept on one side with the laser emitting end 11 of the smooth conversion medium 2 back to the laser beam emitting device 1.
The implementation method of the generating device of laser includes that the laser irradiation launched of the laser beam emitting device 1 turns to light
It after changing medium 2, is absorbed by the light conversion medium 2, obtains the outgoing light source of required colour temperature.The implementation method further includes penetrating this
The laser of light conversion medium 2 reaches the laser emitting being arranged in the smooth conversion medium 2 back to the laser beam emitting device 1
When holding the support in 11 one side dead asterns fixed and support 31 position of reflecting plate of reflection unit 3, reflected by the support reflecting plate 31
It returns the smooth conversion medium 2 and carries out excitation conversion again.
Embodiment 2
As shown in Figs. 1-3, a kind of generating device of laser of the present invention, including laser beam emitting device 1 and face institute
It states the setting of laser emitting end 11 of laser beam emitting device 1 and the light for maintaining the spacing of setting with the laser beam emitting device 1 is converted
Medium 2, the smooth conversion medium 2 can absorb the laser that the laser beam emitting device 1 is launched, and obtain the emergent light of required colour temperature
Source.The beam projecting face 21 of the smooth conversion medium 2 is towards the laser emitting end 11 of the laser beam emitting device 1, and the laser
Emitter 1 deviates the axial centerline of the smooth conversion medium 2；The generating device of laser further includes being arranged in the light
Support fixation and reflection unit 3 of the conversion medium 2 back to the 11 one side dead astern of laser emitting end of the laser beam emitting device 1,
The support is fixed and reflection unit 3 includes can play light conversion medium 2 supporting role and can be by the institute of penetrate light conversion medium 2
State laser reflection return the light conversion medium 2 excited the support reflecting plate 31 of conversion again and by prolonging on the support reflecting plate 31
That stretches can coordinate support reflecting plate 31 to carry out support to light conversion medium 2 jointly and limit fixed multiple support arms 32；
The area of the support reflecting plate 31 is slightly larger than the smooth conversion medium 2 back to the laser emitting end of the laser beam emitting device 1
Projected area of 11 one sides on the support reflecting plate 31.Wherein, support reflecting plate 31 can be closely set in the light conversion and be situated between
Matter 2 can back to the dead astern (Fig. 2) of 11 one side of laser emitting end of the laser beam emitting device 1 or the support reflecting plate 31
Certain spacing (Fig. 1) is kept on one side with the laser emitting end 11 of the smooth conversion medium 2 back to the laser beam emitting device 1.
The support reflecting plate 31 is alumina ceramic plate.
Wave-length coverage is included at least in the laser that the laser beam emitting device 1 is launched between the laser of 200-470nm, institute
The emission spectrum for stating light conversion medium 2 is one or more spectral combinations in 460-800nm, the smooth conversion medium 2
The laser is absorbed, the laser white light for obtaining 1500-8000K colour temperatures is emitted light source.
The smooth conversion medium 2 is the fluorescent powder block mixed by fluorescent powder and glue, is at least wrapped in the fluorescent powder
Include the fluorescent powder of a kind of yellow or yellow green.The fluorescent powder of the yellow or yellow green is TAG.The smooth conversion medium 2 can
Light-exposed transmitance >=80%.
The implementation method of the generating device of laser includes that the laser irradiation launched of the laser beam emitting device 1 turns to light
It after changing medium 2, is absorbed by the light conversion medium 2, obtains the outgoing light source of required colour temperature.The implementation method further includes penetrating this
The laser of light conversion medium 2 reaches the laser emitting being arranged in the smooth conversion medium 2 back to the laser beam emitting device 1
When holding the support in 11 one side dead asterns fixed and support 31 position of reflecting plate of reflection unit 3, reflected by the support reflecting plate 31
It returns the smooth conversion medium 2 and carries out excitation conversion again.
The laser beam emitting device 1 is launched including at least wave-length coverage to the smooth conversion medium 2 between 200-470nm
Laser, the emission spectrum is that the light conversion medium 2 of one or more spectral combinations in 460-800nm absorbs this and swashs
Light, the laser white light for obtaining 1500-8000K colour temperatures are emitted light source.
Embodiment 3
As shown in Figs. 1-3, a kind of generating device of laser of the present invention, including laser beam emitting device 1 and face institute
It states the setting of laser emitting end 11 of laser beam emitting device 1 and the light for maintaining the spacing of setting with the laser beam emitting device 1 is converted
Medium 2, the smooth conversion medium 2 can absorb the laser that the laser beam emitting device 1 is launched, and obtain the emergent light of required colour temperature
Source.The beam projecting face 21 of the smooth conversion medium 2 is towards the laser emitting end 11 of the laser beam emitting device 1, and the laser
Emitter 1 deviates the axial centerline of the smooth conversion medium 2；The generating device of laser further includes being arranged in the light
Support fixation and reflection unit 3 of the conversion medium 2 back to the 11 one side dead astern of laser emitting end of the laser beam emitting device 1,
The support is fixed and reflection unit 3 includes can play light conversion medium 2 supporting role and can be by the institute of penetrate light conversion medium 2
State laser reflection return the light conversion medium 2 excited the support reflecting plate 31 of conversion again and by prolonging on the support reflecting plate 31
That stretches can coordinate support reflecting plate 31 to carry out support to light conversion medium 2 jointly and limit fixed multiple support arms 32；
The area of the support reflecting plate 31 is slightly larger than the smooth conversion medium 2 back to the laser emitting end of the laser beam emitting device 1
Projected area of 11 one sides on the support reflecting plate 31.Wherein, support reflecting plate 31 can be closely set in the light conversion and be situated between
Matter 2 can back to the dead astern (Fig. 2) of 11 one side of laser emitting end of the laser beam emitting device 1 or the support reflecting plate 31
Certain spacing (Fig. 1) is kept on one side with the laser emitting end 11 of the smooth conversion medium 2 back to the laser beam emitting device 1.
The support reflecting plate 31 is minute surface aluminium sheet.
Wave-length coverage is included at least in the laser that the laser beam emitting device 1 is launched between the laser of 200-470nm, institute
The emission spectrum for stating light conversion medium 2 is one or more spectral combinations in 460-800nm, the smooth conversion medium 2
The laser is absorbed, the laser white light for obtaining 1500-8000K colour temperatures is emitted light source.
The smooth conversion medium 2 is the fluorescent powder block mixed by fluorescent powder and glue, is at least wrapped in the fluorescent powder
Include the fluorescent powder of a kind of yellow or yellow green.The fluorescent powder of the yellow or yellow green is YAG.The smooth conversion medium 2 can
Light-exposed transmitance >=80%.
The implementation method of the generating device of laser includes that the laser irradiation launched of the laser beam emitting device 1 turns to light
It after changing medium 2, is absorbed by the light conversion medium 2, obtains the outgoing light source of required colour temperature.The implementation method further includes penetrating this
The laser of light conversion medium 2 reaches the laser emitting being arranged in the smooth conversion medium 2 back to the laser beam emitting device 1
When holding the support in 11 one side dead asterns fixed and support 31 position of reflecting plate of reflection unit 3, reflected by the support reflecting plate 31
It returns the smooth conversion medium 2 and carries out excitation conversion again.
The laser beam emitting device 1 is launched including at least wave-length coverage to the smooth conversion medium 2 between 200-470nm
Laser, the emission spectrum is that the light conversion medium 2 of one or more spectral combinations in 460-800nm absorbs this and swashs
Light, the laser white light for obtaining 1500-8000K colour temperatures are emitted light source.
Embodiment 4
As shown in Fig. 1-2,4-5, a kind of generating device of laser of the present invention, including laser beam emitting device 1 and face
The laser emitting end 11 of the laser beam emitting device 1 is arranged and is maintained with the laser beam emitting device 1 light of the spacing of setting
Conversion medium 2, the smooth conversion medium 2 can absorb the laser that the laser beam emitting device 1 is launched, and obtain going out for required colour temperature
Penetrate light source.It is somebody's turn to do towards the laser emitting end 11 of the laser beam emitting device 1 in the beam projecting face 21 of the smooth conversion medium 2
Laser beam emitting device 1 deviates the axial centerline of the smooth conversion medium 2；The generating device of laser further includes being arranged in institute
Light conversion medium 2 is stated back to the support fixation in the 11 one side dead astern of laser emitting end of the laser beam emitting device 1 and reflection dress
Set 3, the support is fixed and reflection unit 3 includes can play light conversion medium 2 supporting role and can be by penetrate light conversion medium 2
The laser reflection return the light conversion medium 2 excited the support reflecting plate 31 of conversion again and by the support reflecting plate 31
On extend support reflecting plate 31 can be coordinated to carry out support and limiting fixed multiple support arms to light conversion medium 2 jointly
32；The area of the support reflecting plate 31 is slightly larger than the smooth conversion medium 2 back to the laser emitting of the laser beam emitting device 1
Hold projected area of 11 one sides on the support reflecting plate 31.Wherein, support reflecting plate 31 can be closely set in the light conversion
Medium 2 is back to the dead astern (Fig. 2) of 11 one side of laser emitting end of the laser beam emitting device 1 or the support reflecting plate 31
It can keep certain spacing (figure on one side with the laser emitting end 11 of the smooth conversion medium 2 back to the laser beam emitting device 1
1)。
The support reflecting plate 31 is the plank that silver coating 311 is equipped at least towards 2 one side of light conversion medium.
Wave-length coverage is included at least in the laser that the laser beam emitting device 1 is launched between the laser of 200-470nm, institute
The emission spectrum for stating light conversion medium 2 is one or more spectral combinations in 460-800nm, the smooth conversion medium 2
The laser is absorbed, the laser white light for obtaining 1500-8000K colour temperatures is emitted light source.
The smooth conversion medium 2 is the fluorescent powder block mixed by fluorescent powder and glue, is at least wrapped in the fluorescent powder
Include the fluorescent powder of a kind of yellow or yellow green.The fluorescent powder of the yellow or yellow green is Nitride systems.The light conversion is situated between
Visible light transmittance >=80% of matter 2.
The implementation method of the generating device of laser includes that the laser irradiation launched of the laser beam emitting device 1 turns to light
It after changing medium 2, is absorbed by the light conversion medium 2, obtains the outgoing light source of required colour temperature.The implementation method further includes penetrating this
The laser of light conversion medium 2 reaches the laser emitting being arranged in the smooth conversion medium 2 back to the laser beam emitting device 1
When holding the support in 11 one side dead asterns fixed and support 31 position of reflecting plate of reflection unit 3, reflected by the support reflecting plate 31
It returns the smooth conversion medium 2 and carries out excitation conversion again.
The laser beam emitting device 1 is launched including at least wave-length coverage to the smooth conversion medium 2 between 200-470nm
Laser, the emission spectrum is that the light conversion medium 2 of one or more spectral combinations in 460-800nm absorbs this and swashs
Light, the laser white light for obtaining 1500-8000K colour temperatures are emitted light source.
Embodiment 5
As shown in Fig. 6-7,3, a kind of generating device of laser of the present invention, including laser beam emitting device 1 and face
The laser emitting end 11 of the laser beam emitting device 1 is arranged and maintains the light turn of the spacing of setting with the laser beam emitting device 1
Medium 2 is changed, the smooth conversion medium 2 can absorb the laser that the laser beam emitting device 1 is launched, and obtain the outgoing of required colour temperature
Light source.The beam projecting face 21 of the smooth conversion medium 2 is towards the laser emitting end 11 of the laser beam emitting device 1, and this swashs
Light emitting devices 1 deviates the axial centerline of the smooth conversion medium 2；The generating device of laser further includes being arranged described
Support fixation and reflection unit of the light conversion medium 2 back to the 11 one side dead astern of laser emitting end of the laser beam emitting device 1
3, the support is fixed and reflection unit 3 includes can play light conversion medium 2 supporting role and can be by penetrate light conversion medium 2
The laser reflection returns the light conversion medium 2 and is excited the support reflecting plate 31 of conversion again and by the support reflecting plate 31
That extends can coordinate support reflecting plate 31 to carry out support to light conversion medium 2 jointly and limit fixed multiple support arms
32；The area of the support reflecting plate 31 is slightly larger than the smooth conversion medium 2 back to the laser emitting of the laser beam emitting device 1
Hold projected area of 11 one sides on the support reflecting plate 31.Wherein, support reflecting plate 31 can be closely set in the light conversion
Medium 2 is back to the dead astern (Fig. 7) of 11 one side of laser emitting end of the laser beam emitting device 1 or the support reflecting plate 31
It can keep certain spacing (figure on one side with the laser emitting end 11 of the smooth conversion medium 2 back to the laser beam emitting device 1
6)。
The support reflecting plate 31 is alumina ceramic plate.
Wave-length coverage is included at least in the laser that the laser beam emitting device 1 is launched between the laser of 200-470nm, institute
The emission spectrum for stating light conversion medium 2 is one or more spectral combinations in 460-800nm, the smooth conversion medium 2
The laser is absorbed, the laser white light for obtaining 1500-8000K colour temperatures is emitted light source.
The smooth conversion medium 2 is the fluorescent powder block mixed by fluorescent powder and glue, is at least wrapped in the fluorescent powder
Include the fluorescent powder of a kind of yellow or yellow green.The fluorescent powder of the yellow or yellow green is TAG.The smooth conversion medium 2 can
Light-exposed transmitance >=80%.
The implementation method of the generating device of laser includes that the laser irradiation launched of the laser beam emitting device 1 turns to light
It after changing medium 2, is absorbed by the light conversion medium 2, obtains the outgoing light source of required colour temperature.The implementation method further includes penetrating this
The laser of light conversion medium 2 reaches the laser emitting being arranged in the smooth conversion medium 2 back to the laser beam emitting device 1
When holding the support in 11 one side dead asterns fixed and support 31 position of reflecting plate of reflection unit 3, reflected by the support reflecting plate 31
It returns the smooth conversion medium 2 and carries out excitation conversion again.
The laser beam emitting device 1 is launched including at least wave-length coverage to the smooth conversion medium 2 between 200-470nm
Laser, the emission spectrum is that the light conversion medium 2 of one or more spectral combinations in 460-800nm absorbs this and swashs
Light, the laser white light for obtaining 1500-8000K colour temperatures are emitted light source.
The 400-800nm of outgoing light source light-out effect can be promoted by being coated on the beam projecting face 21 of the smooth conversion medium 2
Anti-reflection film 22.
Embodiment 6
As shown in Fig. 6-7,3, a kind of generating device of laser of the present invention, including laser beam emitting device 1 and face
The laser emitting end 11 of the laser beam emitting device 1 is arranged and maintains the light turn of the spacing of setting with the laser beam emitting device 1
Medium 2 is changed, the smooth conversion medium 2 can absorb the laser that the laser beam emitting device 1 is launched, and obtain the outgoing of required colour temperature
Light source.The beam projecting face 21 of the smooth conversion medium 2 is towards the laser emitting end 11 of the laser beam emitting device 1, and this swashs
Light emitting devices 1 deviates the axial centerline of the smooth conversion medium 2；The generating device of laser further includes being arranged described
Support fixation and reflection unit of the light conversion medium 2 back to the 11 one side dead astern of laser emitting end of the laser beam emitting device 1
3, the support is fixed and reflection unit 3 includes can play light conversion medium 2 supporting role and can be by penetrate light conversion medium 2
The laser reflection returns the light conversion medium 2 and is excited the support reflecting plate 31 of conversion again and by the support reflecting plate 31
That extends can coordinate support reflecting plate 31 to carry out support to light conversion medium 2 jointly and limit fixed multiple support arms
32；The area of the support reflecting plate 31 is slightly larger than the smooth conversion medium 2 back to the laser emitting of the laser beam emitting device 1
Hold projected area of 11 one sides on the support reflecting plate 31.Wherein, support reflecting plate 31 can be closely set in the light conversion
Medium 2 is back to the dead astern (Fig. 7) of 11 one side of laser emitting end of the laser beam emitting device 1 or the support reflecting plate 31
It can keep certain spacing (figure on one side with the laser emitting end 11 of the smooth conversion medium 2 back to the laser beam emitting device 1
6)。
The support reflecting plate 31 is minute surface aluminium sheet.
Wave-length coverage is included at least in the laser that the laser beam emitting device 1 is launched between the laser of 200-470nm, institute
The emission spectrum for stating light conversion medium 2 is one or more spectral combinations in 460-800nm, the smooth conversion medium 2
The laser is absorbed, the laser white light for obtaining 1500-8000K colour temperatures is emitted light source.
The smooth conversion medium 2 is the fluorescent powder block mixed by fluorescent powder and glue, is at least wrapped in the fluorescent powder
Include the fluorescent powder of a kind of yellow or yellow green.The fluorescent powder of the yellow or yellow green is YAG.The smooth conversion medium 2 can
Light-exposed transmitance >=80%.
The implementation method of the generating device of laser includes that the laser irradiation launched of the laser beam emitting device 1 turns to light
It after changing medium 2, is absorbed by the light conversion medium 2, obtains the outgoing light source of required colour temperature.The implementation method further includes penetrating this
The laser of light conversion medium 2 reaches the laser emitting being arranged in the smooth conversion medium 2 back to the laser beam emitting device 1
When holding the support in 11 one side dead asterns fixed and support 31 position of reflecting plate of reflection unit 3, reflected by the support reflecting plate 31
It returns the smooth conversion medium 2 and carries out excitation conversion again.
The laser beam emitting device 1 is launched including at least wave-length coverage to the smooth conversion medium 2 between 200-470nm
Laser, the emission spectrum is that the light conversion medium 2 of one or more spectral combinations in 460-800nm absorbs this and swashs
Light, the laser white light for obtaining 1500-8000K colour temperatures are emitted light source.
The 400-800nm of outgoing light source light-out effect can be promoted by being coated on the beam projecting face 21 of the smooth conversion medium 2
Anti-reflection film 22.
Embodiment 7
As shown in Fig. 6-7,4-5, a kind of generating device of laser of the present invention, including laser beam emitting device 1 and face
The laser emitting end 11 of the laser beam emitting device 1 is arranged and is maintained with the laser beam emitting device 1 light of the spacing of setting
Conversion medium 2, the smooth conversion medium 2 can absorb the laser that the laser beam emitting device 1 is launched, and obtain going out for required colour temperature
Penetrate light source.It is somebody's turn to do towards the laser emitting end 11 of the laser beam emitting device 1 in the beam projecting face 21 of the smooth conversion medium 2
Laser beam emitting device 1 deviates the axial centerline of the smooth conversion medium 2；The generating device of laser further includes being arranged in institute
Light conversion medium 2 is stated back to the support fixation in the 11 one side dead astern of laser emitting end of the laser beam emitting device 1 and reflection dress
Set 3, the support is fixed and reflection unit 3 includes can play light conversion medium 2 supporting role and can be by penetrate light conversion medium 2
The laser reflection return the light conversion medium 2 excited the support reflecting plate 31 of conversion again and by the support reflecting plate 31
On extend support reflecting plate 31 can be coordinated to carry out support and limiting fixed multiple support arms to light conversion medium 2 jointly
32；The area of the support reflecting plate 31 is slightly larger than the smooth conversion medium 2 back to the laser emitting of the laser beam emitting device 1
Hold projected area of 11 one sides on the support reflecting plate 31.Wherein, support reflecting plate 31 can be closely set in the light conversion
Medium 2 is back to the dead astern (Fig. 7) of 11 one side of laser emitting end of the laser beam emitting device 1 or the support reflecting plate 31
It can keep certain spacing (figure on one side with the laser emitting end 11 of the smooth conversion medium 2 back to the laser beam emitting device 1
6)。
The support reflecting plate 31 is the plank that silver coating 311 is equipped at least towards 2 one side of light conversion medium.
Wave-length coverage is included at least in the laser that the laser beam emitting device 1 is launched between the laser of 200-470nm, institute
The emission spectrum for stating light conversion medium 2 is one or more spectral combinations in 460-800nm, the smooth conversion medium 2
The laser is absorbed, the laser white light for obtaining 1500-8000K colour temperatures is emitted light source.
The smooth conversion medium 2 is the fluorescent powder block mixed by fluorescent powder and glue, is at least wrapped in the fluorescent powder
Include the fluorescent powder of a kind of yellow or yellow green.The fluorescent powder of the yellow or yellow green is Nitride systems.The light conversion is situated between
Visible light transmittance >=80% of matter 2.
The implementation method of the generating device of laser includes that the laser irradiation launched of the laser beam emitting device 1 turns to light
It after changing medium 2, is absorbed by the light conversion medium 2, obtains the outgoing light source of required colour temperature.The implementation method further includes penetrating this
The laser of light conversion medium 2 reaches the laser emitting being arranged in the smooth conversion medium 2 back to the laser beam emitting device 1
When holding the support in 11 one side dead asterns fixed and support 31 position of reflecting plate of reflection unit 3, reflected by the support reflecting plate 31
It returns the smooth conversion medium 2 and carries out excitation conversion again.
The laser beam emitting device 1 is launched including at least wave-length coverage to the smooth conversion medium 2 between 200-470nm
Laser, the emission spectrum is that the light conversion medium 2 of one or more spectral combinations in 460-800nm absorbs this and swashs
Light, the laser white light for obtaining 1500-8000K colour temperatures are emitted light source.
The 400-800nm of outgoing light source light-out effect can be promoted by being coated on the beam projecting face 21 of the smooth conversion medium 2
Anti-reflection film 22.
Generating device of laser of the present invention and its implementation are not only limited only to above-described embodiment, it is every according to
It, should all be within protection scope of the present invention according to any improvement or replacement of the principle of the invention.
Claims (9)
1. a kind of generating device of laser, including laser beam emitting device (1) and go out in face of the laser of the laser beam emitting device (1)
The light conversion medium (2) that end (11) is arranged and is maintained with the laser beam emitting device (1) spacing of setting is penetrated, the light conversion is situated between
Matter (2) can absorb the laser that the laser beam emitting device (1) is launched, and obtain the outgoing light source of required colour temperature, it is characterised in that：
It is somebody's turn to do towards the laser emitting end (11) of the laser beam emitting device (1) in the beam projecting face (21) of the smooth conversion medium (2)
Laser beam emitting device (1) deviates the axial centerline of the smooth conversion medium (2)；The generating device of laser further includes setting
Support in the smooth conversion medium (2) back to laser emitting end (11) one side dead astern of the laser beam emitting device (1) is solid
Fixed and reflection unit (3), the support is fixed and reflection unit (3) includes to play supporting role and energy to light conversion medium (2)
The laser reflection of penetrate light conversion medium (2) is returned the light conversion medium (2) is excited the support of conversion to reflect again
Support reflecting plate (31) is jointly to light conversion medium (2) with plate (31) and the energy extended on the support reflecting plate (31)
It carries out support and limits fixed multiple support arms (32)；The area of the support reflecting plate (31) is situated between slightly larger than light conversion
Matter (2) is back to the laser emitting end (11) of the laser beam emitting device (1) perspective plane on the support reflecting plate (31) on one side
Product.
2. generating device of laser according to claim 1, it is characterised in that：The support reflecting plate (31) is made pottery for aluminium oxide
Porcelain plate, minute surface aluminium sheet or any one of the plank for being equipped with silver coating (311) on one side at least towards light conversion medium (2).
3. generating device of laser according to claim 2, it is characterised in that：What the laser beam emitting device (1) was launched
Include at least laser of the wave-length coverage between 200-470nm in laser, the emission spectrum of the smooth conversion medium (2) be between
One or more spectral combinations in 460-800nm, the smooth conversion medium (2) absorb the laser, obtain 1500-8000K
The laser white light of colour temperature is emitted light source.
4. generating device of laser according to claim 3, it is characterised in that：The smooth conversion medium (2) is by fluorescent powder
The fluorescent powder block mixed with glue includes at least the fluorescent powder of a kind of yellow or yellow green in the fluorescent powder.
5. generating device of laser according to claim 4, it is characterised in that：The fluorescent powder of the yellow or yellow green is
Any one of TAG, YAG or Nitride systems.
6. generating device of laser according to claim 5, it is characterised in that：The visible light of the smooth conversion medium (2) is saturating
Cross rate >=80%.
7. generating device of laser according to claim 6, it is characterised in that：The beam projecting of the smooth conversion medium (2)
The anti-reflection film (22) for the 400-800nm that can promote outgoing light source light-out effect is coated on face (21).
8. according to the implementation method of any one of the claim 1-7 generating device of laser, including the laser beam emitting device (1)
It after the laser irradiation launched to light conversion medium (2), is absorbed by the light conversion medium (2), obtains the emergent light of required colour temperature
Source, it is characterised in that：The implementation method further includes penetrating the laser arrival setting of the light conversion medium (2) in the light
Support fixation and reflection of the conversion medium (2) back to laser emitting end (11) one side dead astern of the laser beam emitting device (1)
When support reflecting plate (31) position of device (3), the smooth conversion medium (2) is reflected back by the support reflecting plate (31) and is carried out again
Secondary excitation conversion.
9. the implementation method of generating device of laser according to claim 8, it is characterised in that：The laser beam emitting device (1)
Launch the laser including at least wave-length coverage between 200-470nm to the smooth conversion medium (2), the emission spectrum is to be situated between
The light conversion medium (2) of one or more spectral combinations in 460-800nm absorbs the laser, obtains 1500-8000K colour temperatures
Laser white light be emitted light source.
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| CN108730922B (en) | 2024-03-19 |
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