CN107270256A - Laser lighting lamp and its application - Google Patents
Laser lighting lamp and its application Download PDFInfo
- Publication number
- CN107270256A CN107270256A CN201710664707.6A CN201710664707A CN107270256A CN 107270256 A CN107270256 A CN 107270256A CN 201710664707 A CN201710664707 A CN 201710664707A CN 107270256 A CN107270256 A CN 107270256A
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- Prior art keywords
- light
- reflector element
- laser
- unit
- lighting lamp
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- 238000006243 chemical reaction Methods 0.000 claims abstract description 34
- 239000000523 sample Substances 0.000 claims abstract description 18
- 239000004606 Fillers/Extenders Substances 0.000 claims description 16
- 238000000605 extraction Methods 0.000 claims description 2
- 238000005286 illumination Methods 0.000 claims description 2
- 230000006978 adaptation Effects 0.000 claims 1
- 230000008859 change Effects 0.000 abstract description 8
- 238000001514 detection method Methods 0.000 abstract description 5
- 239000000843 powder Substances 0.000 description 18
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 12
- 230000000694 effects Effects 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 6
- 230000003287 optical effect Effects 0.000 description 6
- 239000011248 coating agent Substances 0.000 description 4
- 238000000576 coating method Methods 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000006185 dispersion Substances 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000009738 saturating Methods 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 229910002114 biscuit porcelain Inorganic materials 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000011514 reflex Effects 0.000 description 1
- 238000006467 substitution reaction Methods 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
- F21V23/00—Arrangement of electric circuit elements in or on lighting devices
-
- 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 laser lighting lamp and its application, the illuminating lamp includes laser source unit, wavelength conversion unit and reflector element, the reflector element is provided with light-emitting window, the laser beam projects of the laser source unit outgoing are to the upper surface of the wavelength conversion unit and inspire fluorescence, the fluorescence forms illuminating bundle and from the light-emitting window outgoing, in addition to light probe unit corresponding with the illuminating bundle after reflector element reflection.The present invention is by setting light probe unit corresponding with illuminating bundle, light component for detecting the illuminating bundle, and the light component obtained according to detection judges the status information of wavelength conversion unit, and shown the information, it is easy to pinpoint the problems and change wavelength conversion unit in time, avoid laser from revealing and cause potential safety hazard, and improve degree easy to use and security performance.
Description
Technical field
The present invention relates to lighting technical field, and in particular to laser lighting lamp and its application.
Background technology
With the development of semiconductor technology, LED (Light Emitting Diode, light emitting diode) light sources are because with height
The advantages of effect, energy-conservation, environmental protection, low cost and long lifespan, just progressively replacing traditional incandescent lamp and electricity-saving lamp, it is logical as one kind
Lighting source.It is limited yet with LED luminance, need the special application field of high bright light source, such as stage lighting at some
Optical illumination, headlight for vehicles, the field such as Projection Display, LED can not just meet and require that.
Laser (semiconductor laser diode) light source has the advantages that energy concentration, irradiation distance are remote, utilizes laser excitation
Phosphor technologies (long-distance fluorescent powder technology) can obtain the spot light of super brightness, and it is special that the spot light can have used in some
It is required that lighting field.
LASER Excited Fluorescence powder technology is, by Laser Focusing to phosphor powder layer, to form the point light of a luminous point very little
Source, fluorescent material is excited to produce the Stimulated Light of high brightness, generally excites yellow fluorescent powder, gold-tinted and the residue of generation by blue laser
Blue light formation white light, then outgoing is collected by optical system, so as to form laser lighting lamp.It follows that phosphor powder layer
Play a key effect, if when phosphor powder layer failure or conversion efficiency reduction, final illuminating effect can be influenceed, in addition laser
Direct outgoing, then in the presence of certain potential safety hazard.But it is glimmering that consideration is usually free of in existing LASER Excited Fluorescence powder technology
The problem of light bisque failure detection, cause user to change phosphor powder layer in time, reduce degree easy to use and security
Energy.
The content of the invention
The invention provides a kind of laser lighting lamp and its application, with solve illuminating effect present in prior art it is poor,
The problem of degree easy to use and low security performance.
In order to solve the above-mentioned technical problem, the technical scheme is that:A kind of laser lighting lamp, including lasing light emitter list
Member, wavelength conversion unit and reflector element, the reflector element are provided with light-emitting window, the laser beam of the laser source unit outgoing
It is projected to the upper surface of the wavelength conversion unit and inspires fluorescence, the fluorescence is formed after reflector element reflection
Illuminating bundle and from the light-emitting window outgoing, in addition to light probe unit corresponding with the illuminating bundle.
Further, the laser source unit and wavelength conversion unit are divided into inside and outside the reflector element, institute
Stating reflector element and being provided with is used for the thang-kng portion through the laser beam.
Further, the reflector element is curved mirror, and the wavelength conversion unit is located at the focus of the reflector element
Place.
Further, the light-emitting window is located at the wherein side of the reflector element.
Further, the reflector element is spherical mirror, and the light-emitting window is located at the crown center of the spherical mirror.
Further, the light probe unit includes light sensor corresponding with the illuminating bundle and the light
The signal processor of dependent sensor connection and the display being connected with the signal processor.
Further, the signal processor is single-chip microcomputer.
Further, the light probe unit also includes the alarm being connected with the signal processor.
Further, in addition to along light path the collimator and extender unit being located on the outside of the light-emitting window of the reflector element, it is described
The size of collimator and extender unit is adapted with the size of the light-emitting window of the reflector element.
The present invention also provides a kind of application of laser lighting lamp as described above, applied to car headlamp, Projection Display
Lamp, stage lighting or searchlight.
Laser lighting lamp and its application that the present invention is provided, the illuminating lamp include laser source unit, wavelength conversion unit and
Reflector element, the reflector element is provided with light-emitting window, and laser beam projects to the wavelength of the laser source unit outgoing turns
Change the upper surface of unit and inspire fluorescence, the fluorescence forms illuminating bundle and from described after reflector element reflection
Light-emitting window outgoing, in addition to light probe unit corresponding with the illuminating bundle.The present invention is by setting and illuminating bundle pair
The light probe unit answered, the light component for detecting the illuminating bundle, and the light component obtained according to detection judge
The status information of wavelength conversion unit, and the information is shown, it is easy to pinpoint the problems and change wavelength conversion unit in time,
Avoid laser from revealing and cause potential safety hazard, improve degree easy to use and security performance.
Brief description of the drawings
Fig. 1 a-1b are two kinds of structural representations of laser lighting lamp in the embodiment of the present invention 1;
Fig. 2 is the structured flowchart of light probe unit in the embodiment of the present invention 1;
Fig. 3 is the structural representation of laser lighting lamp in the embodiment of the present invention 2.
Shown in figure:10th, laser source unit;110th, lasing light emitter;20th, wavelength conversion unit;210th, phosphor powder layer;220th, dissipate
Hot base;30th, reflector element;310th, light-emitting window;320th, thang-kng portion;40th, light probe unit;410th, light sensor;420、
Signal processor;430th, display;440th, alarm;50th, collimator and extender unit.
Embodiment
The present invention is described in detail below in conjunction with the accompanying drawings.
Embodiment 1
As shown in Fig. 1 a-1b, the invention provides a kind of laser lighting lamp, including laser source unit 10, wavelength convert list
Member 20 and reflector element 30, the reflector element 30 are provided with light-emitting window 310, and the laser beam of the outgoing of laser source unit 10 is thrown
It is incident upon the upper surface of the wavelength conversion unit 20 and inspires fluorescence, fluorescence shape after the reflector element 30 reflection
Into illuminating bundle and from the outgoing of light-emitting window 310, in addition to light probe unit 40 corresponding with the illuminating bundle.Specifically
, laser source unit 10 is included at least one lasing light emitter 110, the present embodiment by taking blue light laser source as an example, and its outgoing blueness swashs
Luminous, wavelength conversion unit 20 includes phosphor powder layer 210 and the heat dissipation base 220 positioned at the lower section of phosphor powder layer 210, the fluorescence coating
Interior to be provided with fluorescent material, the present embodiment by taking yellow fluorescent powder as an example, blue laser excites yellow fluorescent powder, and the gold-tinted of generation is with remaining
Remaining blue light formation white light, when yellow fluorescent powder failure or conversion efficiency inside phosphor powder layer 210 are reduced, light
Probe unit 40 will detect blue light, and the information detected is shown, be easy to user to pinpoint the problems in time and more
Change phosphor powder layer 210, it is to avoid laser is revealed and causes potential safety hazard, improves degree easy to use and security performance.
It is preferred that, the laser source unit 10 and wavelength conversion unit 20 are divided into inside and outside the two of the reflector element 30
Side, the reflector element 30, which is provided with, is used for the thang-kng portion 320 through the laser beam.Will the preferred reflector element 30 be
Curved mirror, the wavelength conversion unit 20 is located at the focal point of the reflector element 30, and the light-emitting window 310 is located at the reflection
The wherein side of unit.Because wavelength conversion unit 20 is located at the focal point of reflector element 30, therefore through the reflector element 30
The light of reflection is in the horizontal direction from outgoing at the light-emitting window, as shown in Figure 1.Specifically, the curved mirror can be two tables
Face is coated with the component of metallic film, or metal component, the glass component for being coated with reflectance coating, or plates the component of deielectric-coating
Deng as long as required function can be realized, not being restricted herein.When curved mirror use glass system component when, can except
Region plating reflectance coating outside thang-kng portion 320, and do not open up through hole at thang-kng portion 320 or the transparent structure that can pass through laser is set
Part, simplifies the structure of curved mirror.In addition, the surface face type of the present embodiment mean camber mirror can be parabola, ellipsoid or its
Its curved surface, only need to meet following condition:Institute's shape is turned round including at least the parabola is made by gyroaxis of parabolical symmetry axis
Into curved surface (parabolic surface) by above-mentioned gyroaxis plane cut-out obtained from curved surface a part.It is inside and outside herein
In both sides of the digital reflex unit 30 along optical path direction, the present embodiment, thang-kng portion 320 is the transparent component provided with permeable laser beam
Through hole, or the permeable laser beam with reflector element 30 integrally transparent component, the permeable laser it is saturating
Bright component can be the transparent panel with optical filter, and the transparent panel can pass through laser, while reflection is through wavelength conversion unit 20
The fluorescence inspired, i.e. white light, can so prevent the fluorescence through the outgoing of wavelength conversion unit 20 from being let out from thang-kng portion 320
Leakage.Thang-kng portion 320 is used to laser beam being oriented to wavelength conversion unit 20, and it can be ellipse, circular or other shapes, size
It is adapted with the diameter of laser beam, makes laser beam is unobstructed to pass through.
It is preferred that, the light probe unit 40 include light sensor 410 corresponding with the illuminating bundle, with it is described
The signal processor 420 of the connection of light sensor 410 and the display 430 being connected with the signal processor 420.It is preferred that,
The signal processor 420 is single-chip microcomputer or DSP (Digital Signal Process, Digital Signal Processing) chip.Specifically
, it can be wired connection or wireless connection between the light sensor 410, signal processor 420 and display 430, also may be used
Formed with integral packaging, to reduce installation difficulty, save installing space, specific design is carried out according to actual needs, is not done herein
Limit.Wherein light sensor 410 is used for the optical signal for detecting illuminating bundle, including wavelength etc., and will detect obtained light letter
Number change into electric signal and send to signal processor 420 and analyzed, obtaining light component by the analysis of signal transacting 420 believes
Breath, and the information is shown, it is easy to user to observe, such as when discovery has laser beam (the present embodiment middle finger blue light),
User can close the laser lighting lamp in time, and change phosphor powder layer 210.It should be noted that accurate in order to improve detection
True property, light sensor 410 is provided with multiple, and gap distribution is in illuminating bundle periphery, respectively for the different positions of illuminating bundle
Put and detected, and the information transmission detected is handled to same signal processor 420.It is preferred that, the light
Probe unit 40 also includes the alarm 440 that is connected with the signal processor 420, when there is laser beam in illuminating bundle
When, start alarm 440 and alarmed, to remind user to be handled in time, of course for space and cost is saved, also may be used
Only to set alarm 440, display 430 is not provided with.
It is preferred that, the laser lighting lamp is also included along light path located at the outside of light-emitting window 310 of the reflector element 30
Collimator and extender unit 50, the size of the collimator and extender unit 50 is adapted with the size of the light-emitting window of the reflector element 30.
Specifically, collimator and extender unit 50 uses collimator and extender lens, its size and the size fit of light-emitting window 310, can also be bigger
In the size of light-emitting window 310, as long as ensureing to be projected on collimator and extender unit 50 from the illuminating bundle of the outgoing of light-emitting window 310
.Although the illuminating bundle from the light-emitting window outgoing of reflector element 30 is approximately parallel collimated light, but still is had certain
Dispersion angle.In order to obtain the light beam that dispersion angle is smaller, collimator and extender is added on the outside of the light-emitting window of reflector element 30 saturating
Mirror, to being collimated from the light beam of light-emitting window outgoing, so as to improve illuminating effect.Certain collimator and extender unit 40 can also be used
Other have the element of collimator and extender function, are not limited at this, as long as above-mentioned functions can be realized.In addition, photosensitive pass
Sensor 410 can be located at the inner or outer side of collimator and extender unit 50 along light path, as shown in Figure 1a for positioned at collimator and extender unit
50 inner side and be placed on heat dissipation base 220, naturally it is also possible to located at the side of reflector element 30 or on the outside of light-emitting window or
Other positions, or a variety of position groupings are used, and are not limited herein, as long as the effect of probing light can be realized.Such as
Light sensor 410 shown in Fig. 1 b is, positioned at the outside of collimator and extender unit 50, and to be evenly distributed on the periphery of illuminating bundle, real
It can as needed be selected, not limited herein in the application of border.
Present invention also offers a kind of application of laser lighting lamp as described above, car headlamp, throwing can apply to
Shadow display lamp, stage lighting, searchlight or other lighting fields are used.It is described, is suitable for certainly with vehicle head lamp herein
Property expands to other application field.The shape of this shell body can be designed according to actual needs, such as worked as and be used as Portable search-lighting
Lamp can set handle when using on housing, in order to artificial portable or fixed, to improve degree easy to use.
Embodiment 2
As shown in figure 3, as different from Example 1, reflector element 30 described in the embodiment is spherical mirror, the light extraction
Mouth 310 is located at the crown center of the spherical mirror 30.Specifically, in the present embodiment, reflector element 30 is that crown center is provided with out
The hemispherical reflector of optical port 310, the wavelength conversion unit 20 is located at the centre of sphere of the hemispherical reflector, the laser
On the laser beam projects of the outgoing of source unit 10 to the wavelength conversion unit 20 and inspire fluorescence, a part of fluorescence is from institute
Direct outgoing at light-emitting window 310 is stated, another part fluorescence is after hemispherical reflector reflection from outgoing at light-emitting window 310.
Specifically, laser source unit 10 can be located to the side of reflector element 30 in the present embodiment, close arrangement, both axis are put down
OK, both encapsulation volumes and installation difficulty are effectively reduced, particularly in Portable search-lighting field in use, greatly reducing people
Work labor intensity, improves degree easy to use.In the present embodiment, by setting the hemispherical reflector with light-emitting window 310 to make
For reflector element 30, and by wavelength conversion unit 20 at its centre of sphere, when the outgoing of laser source unit 10 laser beam projects extremely
When inspiring fluorescence on wavelength conversion unit 20, make a part of fluorescence from direct outgoing at the light-emitting window 310 of hemispherical reflector,
Another part fluorescence excited for more than 210 times through the hemispherical reflector multiple reflections and phosphor powder layer after at light-emitting window 310
Outgoing, can not only avoid fluorescence from the edge of reflector element 30 along non-designated direction outgoing, and enhance center brightness,
Improve security and the utilization rate of light source.It should be noted that because reflector element 30 is hemispherical reflector, therefore wavelength
The fluorescence part inspired in converting unit 20 is directly from outgoing at light-emitting window 310, and the reflected unit 30 of another part reflects
Still it is projected on wavelength conversion unit 20 and is excited again afterwards, and a part of light inspired again can be directly from light-emitting window
Outgoing at 310, another part light is after then reflected the multiple reflections of unit 30 and wavelength conversion unit are excited for more than 20 times, final institute
Some light all will be from outgoing at light-emitting window 310.
In summary, the present invention is provided laser lighting lamp and its application, the illuminating lamp include laser source unit 10, wavelength
Converting unit 20 and reflector element 30, the reflector element 30 be provided with light-emitting window 310, the outgoing of laser source unit 10 swash
Light beam is projected to the upper surface of the wavelength conversion unit 20 and inspires fluorescence, and the fluorescence is anti-by the reflector element 30
Illuminating bundle is formed after penetrating and from the outgoing of light-emitting window 310, in addition to light probe unit corresponding with the illuminating bundle
40.The present invention by setting corresponding with illuminating bundle light probe unit 40, for detect the light of the illuminating bundle into
Point, and the light component obtained according to detection judges the status information of wavelength conversion unit 20, and the information is shown, just
In pinpointing the problems in time and change wavelength conversion unit 20, it is to avoid laser is revealed and causes potential safety hazard, improves easy to use
Degree and security performance.
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
Should be comprising within the scope of the present invention.
Claims (10)
1. a kind of laser lighting lamp, including laser source unit, wavelength conversion unit and reflector element, it is characterised in that described anti-
Unit is penetrated provided with light-emitting window, the laser beam projects of the laser source unit outgoing to the upper surface of the wavelength conversion unit simultaneously
Fluorescence is inspired, the fluorescence forms illuminating bundle and from the light-emitting window outgoing after reflector element reflection, also wrapped
Include light probe unit corresponding with the illuminating bundle.
2. laser lighting lamp according to claim 1, it is characterised in that the laser source unit and wavelength conversion unit point
Inside and outside the reflector element, the reflector element, which is provided with, is used for the thang-kng portion through the laser beam.
3. laser lighting lamp according to claim 2, it is characterised in that the reflector element is curved mirror, the wavelength
Converting unit is located at the focal point of the reflector element.
4. laser lighting lamp according to claim 3, it is characterised in that the light-emitting window is located at its of the reflector element
Middle side.
5. laser lighting lamp according to claim 3, it is characterised in that the reflector element is spherical mirror, the light extraction
Mouth is located at the crown center of the spherical mirror.
6. laser lighting lamp according to claim 1, it is characterised in that the light probe unit includes and the illumination
The corresponding light sensor of light beam, the signal processor being connected with the light sensor and it is connected with the signal processor
Display.
7. laser lighting lamp according to claim 6, it is characterised in that the signal processor is single-chip microcomputer.
8. laser lighting lamp according to claim 6, it is characterised in that the light probe unit also includes and the letter
The alarm of number processor connection.
9. laser lighting lamp according to claim 1, it is characterised in that also including being located at the reflector element along light path
Collimator and extender unit on the outside of light-emitting window, the size of the collimator and extender unit and the size phase of the light-emitting window of the reflector element
Adaptation.
10. a kind of application of laser lighting lamp as described in claim 1~9, it is characterised in that applied to car headlamp,
Projection Display lamp, stage lighting or searchlight.
Priority Applications (1)
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CN201710664707.6A CN107270256A (en) | 2017-08-07 | 2017-08-07 | Laser lighting lamp and its application |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201710664707.6A CN107270256A (en) | 2017-08-07 | 2017-08-07 | Laser lighting lamp and its application |
Publications (1)
Publication Number | Publication Date |
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CN107270256A true CN107270256A (en) | 2017-10-20 |
Family
ID=60076677
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107940328A (en) * | 2017-12-21 | 2018-04-20 | 超视界激光科技(苏州)有限公司 | A kind of high power laser headlamp |
CN108150960A (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 laser illumination module |
CN110067984A (en) * | 2019-02-26 | 2019-07-30 | 华域视觉科技(上海)有限公司 | Detect illumination car light mould group and detection lighting system |
WO2020103713A1 (en) * | 2018-11-20 | 2020-05-28 | 深圳市绎立锐光科技开发有限公司 | Lighting device, and lamp |
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JP2012222050A (en) * | 2011-04-05 | 2012-11-12 | Sharp Corp | Light-emitting device, luminaire and head light |
US20140268846A1 (en) * | 2013-03-18 | 2014-09-18 | Stanley Electric Co., Ltd. | Vehicle headlight |
US20150252964A1 (en) * | 2014-03-05 | 2015-09-10 | Sharp Kabushiki Kaisha | Light source device and illumination apparatus |
CN105090894A (en) * | 2015-08-21 | 2015-11-25 | 杨毅 | Wavelength conversion device and light emitting device |
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US20110063115A1 (en) * | 2009-09-15 | 2011-03-17 | Sharp Kabushiki Kaisha | Light emitting device, illumination device, and photo sensor |
JP2012222050A (en) * | 2011-04-05 | 2012-11-12 | Sharp Corp | Light-emitting device, luminaire and head light |
US20140268846A1 (en) * | 2013-03-18 | 2014-09-18 | Stanley Electric Co., Ltd. | Vehicle headlight |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
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CN107940328A (en) * | 2017-12-21 | 2018-04-20 | 超视界激光科技(苏州)有限公司 | A kind of high power laser headlamp |
CN108150960A (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 laser illumination module |
WO2020103713A1 (en) * | 2018-11-20 | 2020-05-28 | 深圳市绎立锐光科技开发有限公司 | Lighting device, and lamp |
CN110067984A (en) * | 2019-02-26 | 2019-07-30 | 华域视觉科技(上海)有限公司 | Detect illumination car light mould group and detection lighting system |
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