CN114665381A - Laser module, car light and vehicle based on from doubling of frequency laser crystal - Google Patents

Laser module, car light and vehicle based on from doubling of frequency laser crystal Download PDF

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Publication number
CN114665381A
CN114665381A CN202011546113.3A CN202011546113A CN114665381A CN 114665381 A CN114665381 A CN 114665381A CN 202011546113 A CN202011546113 A CN 202011546113A CN 114665381 A CN114665381 A CN 114665381A
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CN
China
Prior art keywords
laser
light
frequency
self
doubling
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202011546113.3A
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Chinese (zh)
Inventor
李茹
张珂
杨夏军
尹丽伟
黄立敏
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Changzhou Xingyu Automotive Lighting Systems Co Ltd
Original Assignee
Changzhou Xingyu Automotive Lighting Systems Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Changzhou Xingyu Automotive Lighting Systems Co Ltd filed Critical Changzhou Xingyu Automotive Lighting Systems Co Ltd
Priority to CN202011546113.3A priority Critical patent/CN114665381A/en
Publication of CN114665381A publication Critical patent/CN114665381A/en
Pending legal-status Critical Current

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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
    • H01S5/00—Semiconductor lasers
    • H01S5/06—Arrangements for controlling the laser output parameters, e.g. by operating on the active medium
    • H01S5/0604—Arrangements for controlling the laser output parameters, e.g. by operating on the active medium comprising a non-linear region, e.g. generating harmonics of the laser frequency
    • H01S5/0605—Self doubling, e.g. lasing and frequency doubling by the same active medium
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
    • F21S41/10—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source
    • F21S41/14—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source characterised by the type of light source
    • F21S41/16—Laser light sources
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S43/00—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
    • F21S43/10—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by the light source
    • F21S43/13—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by the light source characterised by the type of light source
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
    • H01S5/00—Semiconductor lasers
    • H01S5/005—Optical components external to the laser cavity, specially adapted therefor, e.g. for homogenisation or merging of the beams or for manipulating laser pulses, e.g. pulse shaping
    • H01S5/0071—Optical components external to the laser cavity, specially adapted therefor, e.g. for homogenisation or merging of the beams or for manipulating laser pulses, e.g. pulse shaping for beam steering, e.g. using a mirror outside the cavity to change the beam direction
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
    • H01S5/00—Semiconductor lasers
    • H01S5/005—Optical components external to the laser cavity, specially adapted therefor, e.g. for homogenisation or merging of the beams or for manipulating laser pulses, e.g. pulse shaping
    • H01S5/0085—Optical components external to the laser cavity, specially adapted therefor, e.g. for homogenisation or merging of the beams or for manipulating laser pulses, e.g. pulse shaping for modulating the output, i.e. the laser beam is modulated outside the laser cavity
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
    • H01S5/00—Semiconductor lasers
    • H01S5/005—Optical components external to the laser cavity, specially adapted therefor, e.g. for homogenisation or merging of the beams or for manipulating laser pulses, e.g. pulse shaping
    • H01S5/0092—Optical components external to the laser cavity, specially adapted therefor, e.g. for homogenisation or merging of the beams or for manipulating laser pulses, e.g. pulse shaping for nonlinear frequency conversion, e.g. second harmonic generation [SHG] or sum- or difference-frequency generation outside the laser cavity
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
    • H01S5/00—Semiconductor lasers
    • H01S5/06—Arrangements for controlling the laser output parameters, e.g. by operating on the active medium
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
    • F21W2107/00—Use or application of lighting devices on or in particular types of vehicles
    • F21W2107/10—Use or application of lighting devices on or in particular types of vehicles for land vehicles
    • 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

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  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Nonlinear Science (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)

Abstract

The invention provides a laser module based on a self-frequency-doubling laser crystal, a car lamp and a car, wherein the laser module comprises: the light-emitting component comprises a self-frequency-doubling laser crystal and a semiconductor infrared laser light source, and is fixedly arranged on the circuit board and used for emitting the laser light source; the light diffusion component comprises a light diffusion component and a light diffusion component support, wherein the light diffusion component is installed on the circuit board through the light diffusion component support, and the light diffusion component is adjacent to the light emitting component and used for diffusing the laser light source emitted by the light emitting component. The laser module can realize development and design of the car lamp module, and is simple in method, easy to realize, economical and feasible.

Description

Laser module, car light and vehicle based on from doubling of frequency laser crystal
Technical Field
The invention relates to the technical field of vehicle lamps, in particular to a laser module based on a self-frequency-doubling laser crystal, a vehicle lamp and a vehicle.
Background
With the rapid development of the automobile industry, the automobile lamp plays a very important role in the driving process of people, and the requirement on the illumination performance of the automobile lamp in related regulations is higher and higher. Along with the diversification, the characterization and the streamlining of automobile modeling, the volume, the height-width ratio and the front-back depth proportion of the whole automobile lamp are larger and larger, the shape is irregular, the modeling is more and more, and more requirements are provided for the light source: small size, high brightness, low light attenuation, no blue light harm, wide temperature range, etc.
Halogen light sources still in use are being phased out because of their short life; the adjustability of a xenon lamp light source is poor, the risk of dazzling exists, and the use amount is gradually reduced; although the LED light source is energy-saving and has a long life, there are high-temperature light attenuations of different degrees, especially the LED light attenuations of the red and yellow chips are particularly serious, which brings great challenges to the design of the car light.
The research focus in the day before is a semiconductor laser light source, the collimation is good, but the high-temperature light decay is still an inevitable problem, and the blue light harm of white light laser generated by compounding a blue laser diode and a yellow fluorescent material has to be considered.
Disclosure of Invention
The invention aims to solve the technical problems and provides a laser module based on a self-frequency-doubling laser crystal, which can realize the development and design of a car lamp module by utilizing the advantages of good straightness, stable light color, small light attenuation and the like of the self-frequency-doubling laser crystal, and has the advantages of simple method, easy realization, economy and feasibility.
The technical scheme adopted by the invention is as follows:
a laser module based on self-frequency-doubling laser crystal comprises: the light-emitting component comprises a self-frequency-doubling laser crystal and a semiconductor infrared laser light source, and is fixedly arranged on the circuit board and used for emitting a laser light source; the light diffusion component comprises a light diffusion component and a light diffusion component support, wherein the light diffusion component is installed on the circuit board through the light diffusion component support, is adjacent to the light emitting component and is used for diffusing the laser light source emitted by the light emitting component.
According to one embodiment of the invention, the self-frequency-doubling laser crystal and the semiconductor infrared laser light source are packaged together and fixed on the circuit board in a patch type or a contact pin type.
According to one embodiment of the invention, the wavelength of the laser light source emitted by the light-emitting component is any one monochromatic light source in the range of 510nm-650nm, and the wavelength of the semiconductor infrared laser light source is in the range of 800nm-1100 nm.
According to one embodiment of the present invention, the light-diffusing member includes one or more of an optical lens and/or a mirror.
According to an embodiment of the present invention, when the light diffusion member includes the optical lens and the mirror, the laser light source is diffused sequentially by the mirror and the optical lens.
According to an embodiment of the present invention, the laser module based on a self-frequency-doubling laser crystal further includes: the heat sink is arranged below the circuit board, and the light diffusion component is arranged on the heat sink through a light diffusion component bracket.
According to an embodiment of the present invention, the laser module based on a self-frequency-doubling laser crystal further includes: a diffusing pattern disposed on the light diffusing component.
According to an embodiment of the invention, the circuit board is one of a glass fiber reinforced printed circuit board, an aluminum substrate, a copper substrate and a ceramic substrate.
The invention also proposes a vehicle lamp comprising: the laser module based on the self-frequency-doubling laser crystal is arranged in the lampshade shell.
The invention also proposes a vehicle comprising: according to the car light.
The invention has the beneficial effects that:
the invention integrates the advantages of the light sources based on the self-frequency-doubling laser crystal and the semiconductor infrared laser light source: the LED light source has the advantages of long service life, good collimation, high brightness, various and selectable colors, no blue light hazard, extremely small light decay, stability in a wide temperature range and the like, is an ideal next-generation automobile light source, and is simple in method, easy to implement, economical and feasible.
Drawings
Fig. 1 is a schematic diagram of a laser module based on a self-frequency-doubling laser crystal according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of a laser module based on a self-frequency-doubling laser crystal according to another embodiment of the present invention;
FIG. 3 is a schematic view of a vehicular lamp according to an embodiment of the present invention;
fig. 4 is a block schematic diagram of a vehicle according to an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Fig. 1 is a schematic diagram of a laser module based on a self-frequency-doubling laser crystal according to an embodiment of the present invention.
As shown in fig. 1, the laser module based on self-frequency-doubling laser crystal of the present invention may include: a circuit board 1, a light emitting component 2 and a light diffusing component.
The light emitting component 2 comprises a self-frequency-doubling laser crystal and a semiconductor infrared laser light source, and the light emitting component 2 is fixedly arranged on the circuit board 1 and used for emitting the laser light source. The light diffusion member includes a light diffusion member 31 and a light diffusion member holder 32, the light diffusion member 31 is mounted on the circuit board 1 through the light diffusion member holder 32, and the light diffusion member 31 is adjacent to the light emitting member 2 for diffusing the laser light source emitted from the light emitting member 2. In an embodiment of the present invention, the circuit board 1 may be one of a glass fiber reinforced printed circuit board, an aluminum substrate, a copper substrate, and a ceramic substrate.
In one embodiment of the invention, the self-frequency-doubling laser crystal and the semiconductor infrared laser light source are packaged together and fixed on the circuit board 1 in a patch type or a contact pin type.
According to one embodiment of the invention, the wavelength of the laser light source emitted by the light-emitting component is any one of monochromatic light sources in the range of 510nm-650nm, and the wavelength of the semiconductor infrared laser light source is 800nm-1100 nm.
In other words, the wavelength of the semiconductor infrared laser light source generally takes 800nm to 1100nm, the frequency doubling is performed through the self-frequency doubling laser crystal, the wavelength can be expanded or reduced, according to different practical situations, in the embodiment of the present invention, the wavelength is reduced through the self-frequency doubling laser crystal, and monochromatic light with the wavelength of 510nm to 650nm is obtained, wherein the monochromatic light may be an amber light source or a red light source.
It should be noted that if a white light source is emitted, it needs to be generated by combining a blue light diode and an amber light emitting component.
According to one embodiment of the present invention, the light-diffusing member includes one or more of an optical lens and/or a mirror.
Referring to fig. 1, an optical lens is adopted, and the optical lens is arranged in the direction of the light source emitted by the light emitting assembly, specifically, the distance between the optical lens and the light emitting assembly can be set according to the actual light requirement.
In one embodiment of the present invention, when the light diffusion member 31 includes an optical lens and a mirror, the laser light source is diffused sequentially by the mirror and the optical lens. Referring to fig. 2, the light diffusion member may be an optical lens and a reflector used in combination. The reflector is arranged in the direction of the light emitting component for emitting the light source, reflects the light source and projects the light through the optical lens. It should be noted that, when the reflector is disposed, a certain included angle relationship may exist between the reflector and the circuit board, so that when the optical lens is disposed, the included angle relationship needs to be determined according to the disposition of the reflector, and it is ensured that the light source passing through the reflector can be projected out through the optical lens.
In an embodiment of the present invention, referring to fig. 1 and fig. 2, the laser module based on a self-frequency-doubling laser crystal further includes: the heat sink 4, the heat sink 4 are installed under the circuit board 1, the light diffusion component 31 is installed on the heat sink 4 through the light diffusion component support 32 for heat dissipation, and it is ensured that the components are not damaged due to over-high temperature.
In an embodiment of the invention, the laser module based on a self-frequency-doubling laser crystal further includes: diffusion patterns are arranged on the light diffusion component. That is, according to the design requirement, the diffusion pattern is arranged on the light diffusion component (reflector, optical lens), and the laser module is arranged in the lamp cover of the vehicle lamp, so the diffusion pattern can also be arranged outside or inside the lamp cover shell of the vehicle lamp.
As a specific example of the invention, a patch type light-emitting component (determined by a self-frequency doubling laser crystal) capable of emitting an amber light source is fixed on an aluminum substrate by welding, the light-emitting wavelength of the light source is 589nm, an optical lens is fixed by a lens bracket, and the optical design requirement of the turn light is met by the design of the optical lens.
As another specific example of the present invention, a patch type light emitting module (determined by a self-frequency doubling laser crystal) capable of emitting a red light source is fixed on an aluminum substrate by welding, the light emitting wavelength of the light source is 635nm, the optical design is a reflective type (reflector), and an optical lens is fixed by a lens support, so that the optical design requirements of the rear fog lamp are met by the optical lens design.
In summary, the invention integrates the advantages of the above light sources based on self-frequency doubling laser crystals and semiconductor infrared laser light sources: the LED light source has the advantages of long service life, good collimation, high brightness, various and selectable colors, no blue light hazard, extremely small light decay, stability in a wide temperature range and the like, is an ideal next-generation automobile light source, and is simple in method, easy to implement, economical and feasible.
Corresponding to the embodiment, the invention further provides the vehicle lamp.
Fig. 3 is a schematic view of a vehicular lamp according to an embodiment of the present invention.
As shown in fig. 3, a vehicle lamp 10 of the embodiment of the present invention includes: the laser module 12 based on the self-frequency doubling laser crystal is arranged in the lampshade shell 11.
In an embodiment of the invention, according to different requirements, a plurality of laser modules based on self-frequency doubling laser crystals are arranged in the lampshade shell, for example, when red light and amber light sources need to be emitted, one laser module capable of emitting a red light source and one laser module capable of emitting an amber light source are arranged in the lampshade shell; for another example, when white light and amber light are required to be emitted, a laser module capable of emitting the amber light and a combination of a blue light diode and the laser module of the amber light are arranged in the lampshade shell.
In conclusion, the vehicle lamp provided by the invention realizes the lighting of the vehicle lamp by controlling the peripheral circuit to control the laser module when receiving the control instruction sent by the vehicle controller, and the method is simple, easy to realize, economical and feasible.
The invention further provides a vehicle corresponding to the embodiment.
Fig. 4 is a block schematic diagram of a vehicle according to an embodiment of the present invention.
As shown in fig. 4, a vehicle 100 of the present invention includes the lamp 10 described above.
According to the vehicle provided by the embodiment of the invention, the purpose of saving cost can be achieved through the vehicle lamp.
In the description of the present invention, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. The meaning of "plurality" is two or more unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may be directly contacting the second feature or the first and second features may be indirectly contacting each other through intervening media. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Any process or method descriptions in flow charts or otherwise described herein may be understood as representing modules, segments, or portions of code which include one or more executable instructions for implementing specific logical functions or steps of the process, and alternate implementations are included within the scope of the preferred embodiment of the present invention in which functions may be executed out of order from that shown or discussed, including substantially concurrently or in reverse order, depending on the functionality involved, as would be understood by those reasonably skilled in the art of the present invention.
Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.

Claims (10)

1. The utility model provides a laser module based on from doubling of frequency laser crystal which characterized in that includes: a circuit board, a light emitting assembly, and a light diffusing assembly, wherein,
the light-emitting component comprises a self-frequency-doubling laser crystal and a semiconductor infrared laser light source, and is fixedly arranged on the circuit board and used for emitting a laser light source;
the light diffusion component comprises a light diffusion component and a light diffusion component support, the light diffusion component is mounted on the circuit board through the light diffusion component support, and the light diffusion component is adjacent to the light emitting component and used for diffusing the laser light source emitted by the light emitting component.
2. The laser module based on the self-frequency-doubling laser crystal according to claim 1, wherein the self-frequency-doubling laser crystal and the semiconductor infrared laser light source are packaged together and fixed on the circuit board in a patch manner or a pin manner.
3. The laser module based on the self-frequency doubling laser crystal according to claim 2, wherein the wavelength of the laser light source emitted by the light emitting component is any one of monochromatic light sources within a range of 510nm to 650nm, and the wavelength of the semiconductor infrared laser light source ranges from 800nm to 1100 nm.
4. The self-frequency doubling laser crystal-based laser module according to claim 1, wherein the light diffusion component comprises one or more of an optical lens and/or a mirror.
5. The self-frequency-doubling laser crystal-based laser module according to claim 4, wherein when the light diffusion component comprises the optical lens and the reflector, the laser light source is sequentially diffused through the reflector and the optical lens.
6. The laser module based on the self-frequency-doubling laser crystal according to claim 1, further comprising:
the heat sink is arranged below the circuit board, and the light diffusion component is arranged on the heat sink through a light diffusion component bracket.
7. The laser module based on the self-frequency-doubling laser crystal according to claim 1, further comprising:
a diffusing pattern disposed on the light diffusing component.
8. The laser module of claim 1, wherein the circuit board is one of a glass fiber reinforced printed circuit board, an aluminum substrate, a copper substrate, and a ceramic substrate.
9. A vehicle lamp, characterized by comprising: a lamp cover shell, at least one laser module based on self-frequency doubling laser crystal according to any one of the preceding claims 1 to 8, wherein the laser module based on self-frequency doubling laser crystal is arranged in the lamp cover shell.
10. A vehicle, characterized by comprising: the vehicular lamp according to claim 9.
CN202011546113.3A 2020-12-23 2020-12-23 Laser module, car light and vehicle based on from doubling of frequency laser crystal Pending CN114665381A (en)

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Application Number Priority Date Filing Date Title
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CN114665381A true CN114665381A (en) 2022-06-24

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN206878310U (en) * 2017-05-18 2018-01-12 青岛镭创光电技术有限公司 Laser module and laser
CN207868606U (en) * 2018-03-02 2018-09-14 信利光电股份有限公司 A kind of Laser emission module and 3D photographic devices
CN207925889U (en) * 2018-03-22 2018-09-28 青岛镭创光电技术有限公司 Laser module and laser aid
CN109343227A (en) * 2018-11-30 2019-02-15 维沃移动通信（杭州）有限公司 A kind of light projection mould group and optical device
CN213816738U (en) * 2020-12-23 2021-07-27 常州星宇车灯股份有限公司 Laser module, car light and vehicle based on from doubling of frequency laser crystal

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN206878310U (en) * 2017-05-18 2018-01-12 青岛镭创光电技术有限公司 Laser module and laser
CN207868606U (en) * 2018-03-02 2018-09-14 信利光电股份有限公司 A kind of Laser emission module and 3D photographic devices
CN207925889U (en) * 2018-03-22 2018-09-28 青岛镭创光电技术有限公司 Laser module and laser aid
CN109343227A (en) * 2018-11-30 2019-02-15 维沃移动通信（杭州）有限公司 A kind of light projection mould group and optical device
CN213816738U (en) * 2020-12-23 2021-07-27 常州星宇车灯股份有限公司 Laser module, car light and vehicle based on from doubling of frequency laser crystal

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