CN107420756A - Light-emitting device and laser lighting lamp - Google Patents
Light-emitting device and laser lighting lamp Download PDFInfo
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- CN107420756A CN107420756A CN201710664717.XA CN201710664717A CN107420756A CN 107420756 A CN107420756 A CN 107420756A CN 201710664717 A CN201710664717 A CN 201710664717A CN 107420756 A CN107420756 A CN 107420756A
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- Prior art keywords
- light
- light hole
- emitting device
- wavelength conversion
- transmission
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Classifications
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- 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
- F21K9/60—Optical arrangements integrated in the light source, e.g. for improving the colour rendering index or the light extraction
- F21K9/64—Optical arrangements integrated in the light source, e.g. for improving the colour rendering index or the light extraction using wavelength conversion means distinct or spaced from the light-generating element, e.g. a remote phosphor layer
-
- 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
- F21K9/60—Optical arrangements integrated in the light source, e.g. for improving the colour rendering index or the light extraction
- F21K9/68—Details of reflectors forming part of the light source
-
- 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
- F21K9/60—Optical arrangements integrated in the light source, e.g. for improving the colour rendering index or the light extraction
- F21K9/69—Details of refractors forming part of the light source
-
- 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
- F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
- F21V29/50—Cooling arrangements
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- 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 invention discloses a kind of light-emitting device and laser lighting lamp, the light-emitting device includes laser source unit, wavelength conversion unit and reflector element, the reflector element is spherical reflector, the first light hole and the second light hole are opened up respectively on the spherical reflector, the laser source unit is located at the outside of the reflector element and corresponding with first light hole, the wavelength conversion unit includes transmission-type fluorescence coating, the transmission-type fluorescence coating is located at the centre of sphere of the spherical reflector, on laser beam projects to the wavelength conversion unit of laser source unit transmitting and inspire fluorescence, the fluorescence is emitted at second light hole.The present invention not only effectively reduces the occupancy volume and installation difficulty of light-emitting device, when particularly being used in Portable search-lighting field, greatly reduce hand labor intensity, improve degree easy to use, and fluorescence can be avoided to be emitted from the edge of reflector element along non-designated direction, improve security performance and the utilization rate of light source.
Description
Technical field
The present invention relates to lighting field, more particularly to a kind of light-emitting device and laser lighting lamp.
Background technology
With the development of semiconductor technology, LED (Light Emitting Diode, light emitting diode) light sources are because with height
Effect, energy-conservation, environmental protection, cost is low and the advantages that long lifespan, is just progressively substituting traditional incandescent lamp and electricity-saving lamp, is turning into a kind of logical
Lighting source.
In existing LED automobile headlamp, LED light source is located at the focal point of car light reflector, the light beam of LED light source outgoing
Luminous intensity distribution through the collection of car light reflector and back-end optical system (including baffle plate, lens etc.), it is remote required for finally projecting
Dipped beam field distribution.This kind can be met the light distribution of matching somebody with somebody of the headlight for vehicles dipped beam of demand, but when forming distance light distribution,
Due to being limited by current LED light source brightness, the problem of center illumination is substantially inadequate generally be present, shone in such as light of stage
Bright, car headlamp, Projection Display, searchlighting etc. need the application field of super brightness light source, and LED light source is just difficult to meet to require
.
In view of the above-mentioned problems, proposing a kind of laser lighting lamp in the prior art, swashed by being set on the outside of car light reflector
On the fluorescent material that light source is launched laser beam and is projected on the inside of car light reflector, inspire fluorescence and process car light reflector is anti-
It is emitted after penetrating by assigned direction, to form the light beam advanced in defined solid angle.Yet with reflector in existing structure
Edge can stay the opening for setting illuminating bundle outgoing, therefore the fluorescence gone out through fluorescent material laser some can directly from reflective
The edge of bowl is emitted along non-designated direction, reduces the utilization rate and safety in utilization of light source；In addition existing laser lighting lamp
Usual volume is larger, and installation difficulty is high, particularly in Portable search-lighting field in use, improving the labor intensity of user, greatly
Degree easy to use is reduced greatly.
The content of the invention
The invention provides a kind of light-emitting device and laser lighting lamp, to solve the utilization of light source present in prior art
The problem of rate is low, safety in utilization is poor, and illuminating lamp volume is big, installation difficulty is high and degree easy to use is low.
In order to solve the above-mentioned technical problem, the technical scheme is that：A kind of light-emitting device, including laser source unit,
Wavelength conversion unit and reflector element, the reflector element are spherical reflector, and first is opened up respectively on the spherical reflector
Light hole and the second light hole, the laser source unit be located at the outside of the reflector element and with first light hole pair
Should, the wavelength conversion unit includes transmission-type fluorescence coating, and the transmission-type fluorescence coating is located at the centre of sphere of the spherical reflector,
On laser beam projects to the wavelength conversion unit of laser source unit transmitting and inspire fluorescence, the fluorescence is from described
It is emitted at second light hole.
Further, first light hole and the second light hole are oppositely arranged, the size of first light hole and institute
State laser beam to be adapted, central angle corresponding to second light hole is 60~90 °, two transmissions of the transmission-type fluorescence coating
Face is corresponding with first light hole and the second light hole respectively.
Further, the wavelength conversion unit also includes the heat-radiating substrate being connected with the transmission-type fluorescence coating.
Further, the laser source unit includes the lasing light emitter and condenser lens set gradually along light path, the laser
The laser beam that source is sent is projected on the transmission-type fluorescence coating after the condenser lens through first light hole, described
Condenser lens defocus is set.
Further, the condenser lens is with the distance between lasing light emitter d：f<d<1.5f, f are condenser lens
Focal length.
Further, in addition to the collimator and extender lens along light path on the outside of second light hole, the collimation expand
The radius of beam lens is more than the radius of second light hole.
The present invention also provides a kind of light-emitting device, including laser source unit, wavelength conversion unit and reflector element, its feature
It is, the reflector element is hemispherical reflector, and the first light hole, the lasing light emitter list are opened up on the hemispherical reflector
First positioned at the outside of the reflector element and corresponding with first light hole, the wavelength conversion unit includes transmission-type fluorescence
Layer, the transmission-type fluorescence coating is located at the centre of sphere of the hemispherical reflector, and the side away from the hemispherical reflector is set
There is a focus lens group, on laser beam projects to the wavelength conversion unit of the laser source unit transmitting and inspire fluorescence,
The fluorescence is emitted after the focus lens group is collected and is collimated.
Further, the focus lens group is 2~5mm apart from the distance of the exit facet of the transmission-type fluorescence coating, and
The size of the bottom surface of focus lens group 50 is more than the size of the exit facet of the transmission-type fluorescence coating.
Further, the laser source unit includes the lasing light emitter and condenser lens set gradually along light path, the laser
The laser beam that source is sent is projected on the wavelength conversion unit after the condenser lens through first light hole, described
Condenser lens defocus is set.
Present invention also offers a kind of laser lighting lamp, including light-emitting device as described above and bag are located at described luminous
Radiating shell on the outside of device.
Light-emitting device provided by the invention and laser lighting lamp, laser source unit and the first light hole pair in the light-emitting device
Should, its laser beam sent is directly projected by the second light hole inspires fluorescence and from the second thang-kng on wavelength conversion unit
Hole is emitted, and the compact in design of light-emitting device can be improved using the layout type, is effectively reduced it and is taken volume and installation hardly possible
Degree, particularly in Portable search-lighting field in use, greatly reducing hand labor intensity, improves degree easy to use；It is in addition, logical
Cross and spherical reflector is set as reflector element, and wavelength conversion unit is placed at its centre of sphere, therefore by wavelength conversion unit
A part of fluorescence inspired is directly emitted at the second light hole, and another part fluorescence is then after the spherical reflector reflection
It is emitted at the second light hole, effectively avoids fluorescence from being emitted from the edge of reflector element along non-designated direction, and light passes through
Center brightness can be strengthened by repeatedly exciting, while also improve security performance and the utilization rate of light source.
Brief description of the drawings
Fig. 1 is the structural representation of light-emitting device in the embodiment of the present invention 1；
Fig. 2 is the structural representation of the medium wavelength converting unit of the embodiment of the present invention 1.
Shown in figure：10th, laser source unit；110th, lasing light emitter；120th, condenser lens；20th, wavelength conversion unit；210th, thoroughly
Emitting fluorescence coating；220th, heat-radiating substrate；30th, reflector element；310th, the first light hole；320th, the second light hole；40th, collimator and extender
Lens；50th, focus lens group.
Embodiment
The present invention is described in detail below in conjunction with the accompanying drawings.
Embodiment 1
As shown in figure 1, the invention provides a kind of light-emitting device, including laser source unit 10, the and of wavelength conversion unit 20
Reflector element 30, the reflector element 30 are spherical reflector, and the He of the first light hole 310 is opened up respectively on the spherical reflector
Second light hole 320, the laser source unit 10 are located at the outside of the reflector element 30 and right with first light hole 310
Should, the wavelength conversion unit 20 includes transmission-type fluorescence coating 210, and the transmission-type fluorescence coating 210 is positioned at described spherical reflective
The centre of sphere of bowl, on laser beam projects to the wavelength conversion unit 20 that the laser source unit 10 is launched and inspire fluorescence,
The fluorescence is emitted at second light hole 320.Preferably, the fluorescence inspired on the wavelength conversion unit 20 one
Divide and be directly directly emitted from second light hole 320, another part is logical from described second after the spherical reflector reflection
Unthreaded hole 320 is emitted.Specifically, laser source unit 10 is corresponding with the first light hole 310, the laser beam that it sends is directly by second
Light hole 320, which projects, to be inspired fluorescence and is emitted from the second light hole 320 on wavelength conversion unit 20, without using reflective mirror
, can using the layout type or other light path elements progress light ray bending can make laser beam projects to wavelength conversion unit 20
To effectively improve the compact in design of light-emitting device, reduce it and take volume and installation difficulty, particularly in Portable search-lighting field
In use, improving degree easy to use, hand labor intensity is greatly reduced.In addition, by setting spherical reflector to be used as instead
Unit 30 is penetrated, and wavelength conversion unit 20 is placed at its centre of sphere, is inspired on laser beam projects to transmission-type fluorescence coating 210
A fluorescence part is emitted directly at the second light hole 320, and another part is then still projected to ripple after the reflection of reflector element 30
Excited again in long converting unit 20, and a part of light inspired again can be emitted directly at the second light hole 320,
Another part light is then after the multiple reflections of reflector element 30 and wavelength conversion unit excite for more than 20 times, final all exciting lights
It will be all emitted at the second light hole 320, so not only it is possible to prevente effectively from fluorescence is from the edge of reflector element 30 along non-finger
Determine direction outgoing, and light can also strengthen center brightness by repeatedly exciting, and improve security performance and the utilization rate of light source.
Preferably, the light hole 320 of the first light hole 310 and second is oppositely arranged, first light hole 310 it is big
Small to be adapted with the laser beam, central angle corresponding to second light hole 320 is 60~90 °, the transmission-type fluorescence coating
210 two transmission planes are corresponding with the light hole 320 of the first light hole 310 and second respectively.Specifically, transmission-type fluorescence coating
210 one of the first light hole of transmission plane face 310, another second light hole of transmission plane face 320, laser source unit
The laser beam of 10 transmittings is incident from the transmission plane of the face of 210 and first light hole of transmission-type fluorescence coating 310 and inspires fluorescence, and
Projected from another transmission plane, a part of fluorescence is directly emitted at the second light hole 320, and another part fluorescence is then through the ball
It is emitted after the reflection of shape reflector at the second light hole 320.And first light hole 310 size it is as small as possible, avoid fluorescence from
It is emitted at first light hole 310, only need to ensures that laser beam completely extends across.Central angle alpha corresponding to second light hole 320 is 60
~90 °, due to being uniformly distributed through the fluorescence that wavelength conversion unit 20 inspires along spherical reflector, therefore the second light hole 320
Size determine the ratio of direct emergent ray, because light can cause to decay after the reflection of reflector element 30, if therefore second
Light hole 320 is too small, then can cause the light being directly emitted very little, reduces brightness., can and if the second light hole 320 is too big
Cause the angle of flare of light too big, so as to influence its collimation and energy centrality.In addition, the first light hole 310 is provided with can
Through the through hole of the transparent component of laser beam, or the transparent structure of the permeable laser beam integrally formed with reflector element 30
Part, the transparent component of the permeable laser can be the transparent panel for having optical filter, and the transparent panel can pass through laser, simultaneously
The fluorescence inspired through wavelength conversion unit 20, i.e. white light are reflected, can so prevent what is be emitted through wavelength conversion unit 20
Fluorescence leaks from thang-kng portion 320.First light hole 310 is used to laser beam being oriented to wavelength conversion unit 20, and it can be ellipse
Circular, circular or other shapes, size are adapted with the diameter of laser beam, pass through laser beam.Second light hole 320 can be straight
Connect be through hole or for the transparent component provided with permeable white light through hole, or with reflector element 30 integrally form can be saturating
The transparent component of white light is crossed, the transparent component of the permeable white light can be the transparent panel for having optical filter, and the transparent panel can
Through white light, reflection laser, in order to avoid laser leaks out from the second light hole 320, to ensure its safety in utilization.
Preferably, the wavelength conversion unit 20 also includes the heat-radiating substrate being connected with the transmission-type fluorescence coating 210
220, as shown in Fig. 2 heat-radiating substrate 220 can be rectangular configuration or circular configuration, and the middle part of heat-radiating substrate 220 be provided with it is saturating
The limiting through hole that emitting fluorescence coating 210 is adapted, the wavelength conversion unit 20 are limited in the limiting through hole, its heat sent
Heat-radiating substrate 220 can be oriented to from surrounding, quick heat radiating is carried out by heat-radiating substrate 220.
Preferably, the laser source unit 10 includes the lasing light emitter 110 and condenser lens 120 set gradually along light path, institute
State the laser beam that lasing light emitter 110 is sent be projected to after the condenser lens 120 through first light hole 310 it is described
On emitting fluorescence coating 210, the defocus of condenser lens 120 is set.Preferably, the condenser lens 120 and the lasing light emitter 110
The distance between d be：f<d<1.5f, f are the focal length of condenser lens 120.Specifically, the defocus of condenser lens 120 is set, make it
The distance between lasing light emitter 110 is between f and 1.5f, it is therefore intended that and the hot spot being emitted to lasing light emitter 110 is amplified, from
And increase spot size of the laser beam projects to wavelength conversion unit 20, avoid projecting the hot spot on wavelength conversion unit 20
It is too small to cause caloric value to be concentrated very much and burn out wavelength conversion unit 20.
Preferably, the light-emitting device also includes the collimator and extender lens located at the outside of the second light hole 320 along light path
40, the radius of the collimator and extender lens 40 is more than the radius of second light hole 320.The half of the collimator and extender lens 40
Footpath is more than the radius of second light hole 320.Although specifically, the light beam being emitted at the second light hole 320 is approximate flat
Capable collimated light, but still have certain dispersion angle.In order to obtain the smaller light beam of dispersion angle, in the second light hole
320 outsides set collimator and extender lens 40, and the light beam being emitted at the second light hole 320 is collimated.
Embodiment 2
As different from Example 1, the light-emitting device provided in the present embodiment, including laser source unit 10, wavelength convert
Unit 20 and reflector element 30, the reflector element 30 are hemispherical reflector, and it is logical that first is opened up on the hemispherical reflector
Unthreaded hole 310, the laser source unit 10 are located at the outside of the reflector element 30 and, institute corresponding with first light hole 310
Stating wavelength conversion unit 20 includes transmission-type fluorescence coating 210, and the transmission-type fluorescence coating 210 is located at the hemispherical reflector
The centre of sphere, and the side away from the hemispherical reflector is provided with focus lens group 50, the laser that the laser source unit 10 is launched
Beam is projected on the wavelength conversion unit 20 and inspires fluorescence, and the fluorescence is collected and collimated through the focus lens group 50
After be emitted.In the present embodiment, focus lens group 50 is sequentially overlapped by two planoconvex spotlights and formed, play light is collected and
The effect of collimation；The fluorescence inspired on laser beam projects to transmission-type fluorescence coating 210 is directly carried out by focus lens group 50
Outgoing forms illuminating bundle after collecting and collimating.Preferably, the focus lens group 50 is apart from the transmission-type fluorescence coating 210
The distance of exit facet is 2~5mm, and the size of the bottom of focus lens group 50 is more than the exit facet of the transmission-type fluorescence coating 210
Size, i.e., can be focused after lens group 50 collects and collimate from the light beam of the exit face of transmission-type fluorescence coating 210
Outgoing, the fluorescence inspired certainly from the plane of incidence of transmission-type fluorescence coating 210 then reflex to transmission-type by hemispherical reverberation bowl
On fluorescence coating 210, it finally will all be focused lens group 50 and collect and be emitted after collimating.
Present invention also offers a kind of laser lighting lamp, including light-emitting device as described above and bag are located at described luminous
Radiating shell on the outside of device, the laser lighting lamp can be used as car headlamp, projection display lamp, stage lighting and portable spy
Illuminator or other lighting fields are used, and the shape of radiating shell can be designed according to being actually needed, such as when as portable
Handle can be set during searchlight use on radiating shell, in order to artificial portable or fixed, to improve degree easy to use.
Light-emitting device provided by the invention and laser lighting lamp, the light hole of laser source unit 10 and first in the light-emitting device
310 correspondences, its laser beam sent are directly projected by the second light hole 320 and inspire fluorescence simultaneously on wavelength conversion unit 20
It is emitted from the second light hole 320, the compact in design of light-emitting device can be improved using the layout type, effectively reduces its occupancy
Volume and installation difficulty, particularly in Portable search-lighting field in use, greatly reducing hand labor intensity, improve using just
Prompt degree；In addition, be placed in by setting spherical reflector to be used as reflector element 30, and by wavelength conversion unit 20 at its centre of sphere, because
This is directly emitted by a part of fluorescence that wavelength conversion unit 20 inspires from the second light hole 320, and another part fluorescence is then
It is emitted after the spherical reflector reflection at the second light hole 320, effectively avoids fluorescence from the edge of reflector element 30
It is emitted along non-designated direction, and light not only increases center brightness by repeatedly exciting, while improve security performance and light
The utilization rate in source.
Although embodiments of the present invention are illustrated in specification, these embodiments are intended only as prompting,
It should not limit protection scope of the present invention.It is equal that various omission, substitution, and alteration are carried out without departing from the spirit and scope of the present invention
It should include within the scope of the present invention.
Claims (10)
1. a kind of light-emitting device, including laser source unit, wavelength conversion unit and reflector element, it is characterised in that the reflection
Unit is spherical reflector, opens up the first light hole and the second light hole, the lasing light emitter list on the spherical reflector respectively
First positioned at the outside of the reflector element and corresponding with first light hole, the wavelength conversion unit includes transmission-type fluorescence
Layer, the transmission-type fluorescence coating are located at the centre of sphere of the spherical reflector, and the laser beam projects of the laser source unit transmitting are extremely
On the wavelength conversion unit and fluorescence is inspired, the fluorescence is emitted at second light hole.
2. light-emitting device according to claim 1, it is characterised in that first light hole and the second light hole are relative to be set
Put, the size of first light hole is adapted with the laser beam, central angle corresponding to second light hole be 60~
90 °, two transmission planes of the transmission-type fluorescence coating are corresponding with first light hole and the second light hole respectively.
3. light-emitting device according to claim 1, it is characterised in that the wavelength conversion unit also includes and the transmission
The heat-radiating substrate of type fluorescence coating connection.
4. light-emitting device according to claim 1, it is characterised in that the laser source unit includes setting gradually along light path
Lasing light emitter and condenser lens, the laser beam that the lasing light emitter is sent after the condenser lens through first light hole throw
It is incident upon on the transmission-type fluorescence coating, the condenser lens defocus is set.
5. light-emitting device according to claim 4, it is characterised in that between the condenser lens and the lasing light emitter away from
It is from d：f<d<1.5f, f are the focal length of condenser lens.
6. light-emitting device according to claim 1, it is characterised in that also include along light path outside second light hole
The collimator and extender lens of side, the radius of the collimator and extender lens are more than the radius of second light hole.
7. a kind of light-emitting device, including laser source unit, wavelength conversion unit and reflector element, it is characterised in that the reflection
Unit is hemispherical reflector, the first light hole is opened up on the hemispherical reflector, the laser source unit is positioned at described anti-
The outside of unit and corresponding with first light hole is penetrated, the wavelength conversion unit includes transmission-type fluorescence coating, the transmission
Type fluorescence coating is located at the centre of sphere of the hemispherical reflector, and the side away from the hemispherical reflector is provided with condenser lens
Group, on laser beam projects to the wavelength conversion unit of laser source unit transmitting and inspire fluorescence, the fluorescence warp
The focus lens group is collected and is emitted after collimating.
8. light-emitting device according to claim 7, it is characterised in that the focus lens group is apart from the transmission-type fluorescence
The distance of the exit facet of layer is 2~5mm, and the size of the bottom surface of focus lens group 50 is more than the exit facet of the transmission-type fluorescence coating
Size.
9. light-emitting device according to claim 7, it is characterised in that the laser source unit includes setting gradually along light path
Lasing light emitter and condenser lens, the laser beam that the lasing light emitter is sent after the condenser lens through first light hole throw
It is incident upon on the wavelength conversion unit, the condenser lens defocus is set.
10. a kind of laser lighting lamp, it is characterised in that including the light-emitting device and bag as described in any one of claim 1~9
Radiating shell on the outside of the light-emitting device.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710664717.XA CN107420756A (en) | 2017-08-07 | 2017-08-07 | Light-emitting device and laser lighting lamp |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710664717.XA CN107420756A (en) | 2017-08-07 | 2017-08-07 | Light-emitting device and laser lighting lamp |
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| CN107420756A true CN107420756A (en) | 2017-12-01 |
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| CN201710664717.XA Pending CN107420756A (en) | 2017-08-07 | 2017-08-07 | Light-emitting device and laser lighting lamp |
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| CN108150898A (en) * | 2018-02-09 | 2018-06-12 | 超视界激光科技（苏州）有限公司 | A kind of high-brightness LED stage lighting |
| CN110274166A (en) * | 2018-03-15 | 2019-09-24 | 丰田合成株式会社 | Light emitting device |
| CN108518590A (en) * | 2018-03-26 | 2018-09-11 | 杨毅 | Laser light source and lamps and lanterns |
| CN109000201A (en) * | 2018-09-06 | 2018-12-14 | 吉林省长光瑞思激光技术有限公司 | A kind of laser headlight system and vehicle laser headlight |
| WO2020119354A1 (en) * | 2018-12-11 | 2020-06-18 | 深圳市绎立锐光科技开发有限公司 | Laser illumination lamp |
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