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CN112594591A - Laser car lamp system based on optical fiber conduction - Google Patents

Laser car lamp system based on optical fiber conduction Download PDF

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Publication number
CN112594591A
CN112594591A CN202011481579.XA CN202011481579A CN112594591A CN 112594591 A CN112594591 A CN 112594591A CN 202011481579 A CN202011481579 A CN 202011481579A CN 112594591 A CN112594591 A CN 112594591A
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CN
China
Prior art keywords
light
light source
optical fiber
laser
lamp
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
CN202011481579.XA
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Chinese (zh)
Inventor
陈浩
康健
陈东顺
甄方正
申冰磊
张永丽
周伟
张乐
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.)
Xinyi Xiyi High Tech Material Industry Technology Research Institute Co Ltd
Original Assignee
Xinyi Xiyi High Tech Material Industry Technology Research Institute Co Ltd
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Filing date
Publication date
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Priority to CN202011481579.XA priority Critical patent/CN112594591A/en
Publication of CN112594591A publication Critical patent/CN112594591A/en
Pending legal-status Critical Current

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21SNON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S8/00Lighting devices intended for fixed installation
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21SNON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S41/00Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
    • F21S41/10Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source
    • F21S41/14Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source characterised by the type of light source
    • F21S41/16Laser light sources
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21SNON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S41/00Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
    • F21S41/20Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by refractors, transparent cover plates, light guides or filters
    • F21S41/24Light guides
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21SNON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S41/00Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
    • F21S41/20Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by refractors, transparent cover plates, light guides or filters
    • F21S41/25Projection lenses
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21SNON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S41/00Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
    • F21S41/40Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by screens, non-reflecting members, light-shielding members or fixed shades
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21SNON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S43/00Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
    • F21S43/10Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by the light source
    • F21S43/13Signalling 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
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21SNON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S43/00Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
    • F21S43/20Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by refractors, transparent cover plates, light guides or filters
    • F21S43/235Light guides
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21VFUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V13/00Producing particular characteristics or distribution of the light emitted by means of a combination of elements specified in two or more of main groups F21V1/00 - F21V11/00
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21VFUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V23/00Arrangement of electric circuit elements in or on lighting devices
    • F21V23/003Arrangement of electric circuit elements in or on lighting devices the elements being electronics drivers or controllers for operating the light source, e.g. for a LED array
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21VFUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V23/00Arrangement of electric circuit elements in or on lighting devices
    • F21V23/04Arrangement of electric circuit elements in or on lighting devices the elements being switches
    • F21V23/0442Arrangement of electric circuit elements in or on lighting devices the elements being switches activated by means of a sensor, e.g. motion or photodetectors
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21WINDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
    • F21W2107/00Use or application of lighting devices on or in particular types of vehicles
    • F21W2107/10Use or application of lighting devices on or in particular types of vehicles for land vehicles
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21YINDEXING 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
    • F21Y2115/00Light-generating elements of semiconductor light sources
    • F21Y2115/30Semiconductor lasers

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Lighting Device Outwards From Vehicle And Optical Signal (AREA)
  • Arrangements Of Lighting Devices For Vehicle Interiors, Mounting And Supporting Thereof, Circuits Therefore (AREA)

Abstract

The invention discloses a laser car lamp system based on optical fiber conduction, which comprises a central controller integrated light source, an optical fiber group, a lighting terminal and an external sensor, wherein the central controller integrated light source is connected with the optical fiber group; the integrated light source comprises a laser light source, a heat dissipation base, a light conversion material and a lens group. The central controller controls the lightening of all the laser light sources, mixed light is formed and emitted after the generated blue light enters the surface of the light conversion material, and the mixed light is collected by the lens group, compressed and emitted, converged in the optical fiber group and respectively transmitted to the illumination terminal; and an external sensor arranged outside the lighting terminal detects the surrounding environment and feeds back the surrounding environment to the central controller, so that the intelligent control of the car lamp system is realized. The invention has simple and efficient light path design, saves lighting elements and has higher safety.

Description

Laser car lamp system based on optical fiber conduction
Technical Field
The invention relates to the field of laser illumination, in particular to an optical fiber conduction vehicle lamp technology.
Background
With the continuous development of the car lamp system, the design requirements of miniaturization and diversification are more and more increased. As a novel solid-state illumination light source, the laser light source has the characteristics of miniaturization, energy consumption, service life, reliability and the like, and has great advantages compared with the light sources such as the existing xenon lamp and the LED lamp.
Currently, bmi and audi have introduced laser headlamp lighting systems. However, the control circuit of the individual laser, the individual optical design, and the individual heat dissipation system design lead to high costs, and integration of headlamps, fog lamps, interior lamps, and the like is required to further reduce the costs. In addition, patent 1 (CN 201810618172.4) adopts a laser frequency doubling crystal, and realizes multi-wavelength emission after wavelength conversion, and applies to a car light system; however, this method cannot achieve white light output, and the complexity (frequency doubling element) and stability (working environment is varied) of the laser system are difficult to apply to the vehicle lamp system. Patent 2 (CN 202010133595.3) realizes the multi-path fluorescent beam combining by using the all-in-one optical fiber, obtains a high-brightness output light source, and is mainly used for laser searchlights. In a complex vehicle lamp system, the all-in-one technology is not applicable. Document 1 (Growth and level of Arabidopsis thaliana free-wavelength red and blue laser light) employs an optical fiber-conducted green light source for plant illumination and patent 3 (CN 105546453A) relates to an optical fiber-conducted laser white light vehicle lamp, but for the automotive lighting requirements of complex vehicle lamp systems and complex light source chromaticity (white, yellow, red), further integration and technical innovative applications are pending.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides a light source which is conducted by utilizing multiple paths of optical fibers, realizes the unified management of the light source, adopts the optical fibers to output light sources with various colors, and can be used for interior decoration and exterior illumination.
To achieve the above object, the present invention employs a vehicle lighting system as follows:
a laser car lamp system based on optical fiber conduction is characterized by comprising a central controller, an integrated light source, an optical fiber group, a lighting terminal and an external sensor; the integrated light source comprises a laser light source, a heat dissipation base, a light conversion material and a lens group; the central controller controls the lightening of all the laser light sources, mixed light is formed and emitted after the generated blue light enters the surface of the light conversion material, and the mixed light is collected by the lens group, compressed and emitted, converged in the optical fiber group and transmitted to the illumination terminal; and an external sensor arranged outside the lighting terminal detects the surrounding environment and feeds back the surrounding environment to the central controller, so that the intelligent control of the car lamp system is realized.
Preferably, the integrated light source is separated from the lighting terminal, and the middle of the integrated light source is connected with the lighting terminal by an optical fiber group.
Preferably, the laser light source is a blue-light semiconductor laser module, and the emission wavelength is 445-460 nm.
Preferably, the laser light source is connected with the heat dissipation base through solder, and the light conversion material is connected with the heat dissipation base through silica gel or liquid gold;
preferably, the light conversion material is one or more of a single chip, a ceramic chip, a fluorescent glass chip and a fluorescent powder chip.
Preferably, the light conversion material is Ce: YAG (Y)3Al5O12)、Ce:LuAG(Lu3Al5O12)、Eu:CaAlSiN3One or more combinations thereof.
Preferably, the light-converting material (2-3) emits yellow light (Ce: YAG) or green light (Ce: LuAG) or red light (Eu: CaAlSiN)3) (ii) a After laser excitation, the light source is mixed with blue light to generate a light source with the color temperature of 2700-7500K.
Preferably, the optical fibers lead in light of different colors from the integrated light source and out to the illumination terminal.
Preferably, the lighting terminal is a car lamp, including a head lamp, a dome lamp, a back-up lamp, a fog lamp, an interior lamp, a license plate lamp, an instrument lamp, an interior lamp, a trunk lamp, and a spare lamp.
Compared with the prior art, the invention has the following beneficial effects:
1. the complex vehicle lamp system is divided into four parts, namely a central controller, a light source, an optical fiber and an external sensor. All light sources (including excitation sources and emission sources) are managed in a unified mode, all heat dissipation systems are designed in a unified mode, and compared with the scheme that the existing light emitting sources are applied to lighting terminals (an optical system and a heat dissipation system are required to be added to each lighting terminal), the design difficulty is greatly reduced.
2. The light of various colors is uniformly led out from the integrated light source and transmitted outwards through the optical fiber, and the integrated light source can be directly used for internal and external illumination, so that the design difficulty of a subsequent optical system is greatly reduced, and the number of used components in the car lamp system is reduced.
3. In current car light systems, the controller electronically transmits the light to turn the lighting device on or off. Compared with the electric signal transmission adopted by the existing car lamp system, the safety of optical signal transmission is higher.
Drawings
FIG. 1 is a schematic diagram of a laser vehicle lamp system based on optical fiber transmission;
fig. 2 is a schematic diagram of the system operation process.
In the figure: the system comprises a central controller 1, an integrated light source 2, a laser light source 2-1, a heat dissipation base 2-2, a light conversion material 2-3, a lens group 2-4, an optical fiber group 3, a lighting terminal 4 and an external sensor 5.
Detailed Description
This is further explained below with reference to the drawings.
The overall scheme of the scheme is explained as follows:
referring to fig. 1, a laser car lamp system based on optical fiber conduction comprises a central controller 1, an integrated light source 2, an optical fiber group 3, a lighting terminal 4 and an external sensor 5; the integrated light source 2 comprises a laser light source 2-1, a heat dissipation base 2-2, a light conversion material 2-3 and a lens group 2-4.
The central controller 1 controls the lighting of all the laser light sources 2-1, the generated blue light is incident on the surface of the light conversion material 2-3 to form mixed light to be emitted, and the mixed light is collected by the lens group 2-4, compressed and emitted, converged in the optical fiber group 3 and transmitted to the illumination terminal 4; an external sensor 5 arranged outside the lighting terminal 4 detects the surrounding environment and feeds back the surrounding environment to the central controller 1, so that the intelligent control of the car lamp system is realized.
Referring to fig. 2, in the laser car lamp system based on optical fiber conduction, a central controller controls a light source, an optical fiber is used as a carrier to realize connection between an integrated light source and a lighting terminal (including external lighting and interior lighting), and an external sensor detects the surrounding environment and feeds back the surrounding environment to the central controller.
Example 1:
referring to fig. 1, a laser car lamp system based on optical fiber conduction comprises a central controller 1, an integrated light source 2, an optical fiber group 3, a lighting terminal 4 and an external sensor 5; the integrated light source 2 comprises a laser light source 2-1, a heat dissipation base 2-2, a light conversion material 2-3 and a lens group 2-4.
The laser light source 2-1 is a blue light semiconductor laser module, and the emission wavelength is 445 nm;
the laser light source 2-1 is connected with the heat dissipation base 2-2 through solder, and the light conversion material 2-3 is connected with the heat dissipation base 2-2 through silica gel;
the light conversion materials 2-3 are fluorescent powder sheets and fluorescent glass sheets;
the light conversion material 2-3 is Ce: YAG (Y)3Al5O12)、Ce:LuAG(Lu3Al5O12)、Eu:CaAlSiN3
The light conversion materials 2-3 emit yellow light (Ce: YAG), green light (Ce: LuAG) and red light (Eu: CaAlSiN)3) (ii) a After laser excitation, the light source is mixed with blue light to generate light sources with color temperatures of 6500K, 4612K and 2700K.
The optical fibers 3 lead in light of different colors from the integrated light source 2 and out to the illumination terminal 4.
The illumination terminal 4 is a head lamp, a ceiling lamp and an instrument lamp, and respectively emits 6500K white light, 4612K white light and 2700K red light.
Example 2:
a laser car lamp system based on optical fiber conduction comprises a central controller 1, an integrated light source 2, an optical fiber group 3, a lighting terminal 4 and an external sensor 5; the integrated light source 2 comprises a laser light source 2-1, a heat dissipation base 2-2, a light conversion material 2-3 and a lens group 2-4.
The laser light source 2-1 is a blue-light semiconductor laser module, and the emission wavelength is 460 nm;
the laser light source 2-1 is connected with the heat dissipation base 2-2 through solder, and the light conversion material 2-3 is connected with the heat dissipation base 2-2 through liquid gold;
the light conversion materials 2-3 are a fluorescent ceramic chip and a single chip;
the light conversion material 2-3 is Ce: YAG (Y)3Al5O12)、Ce:LuAG(Lu3Al5O12)、Eu:CaAlSiN3
The light conversion material 2-3 emits yellow light (Ce:YAG), green (Ce: LuAG), red (Eu: CaAlSiN)3) (ii) a After laser excitation, the light is mixed with blue light to generate light sources of 7500K, 5125K and 2856K.
The optical fibers 3 lead in light of different colors from the integrated light source 2 and out to the illumination terminal 4.
The illumination terminal 4 is a fog lamp, a license plate lamp and a spare lamp, and respectively emits 7500K cold white light, 5125K white light and 2856K red light.
It should be noted that while the foregoing has described the spirit and principles of the invention with reference to several specific embodiments, it is to be understood that the invention is not limited to the disclosed embodiments, nor is the division of aspects, which is for convenience only as the features in these aspects cannot be combined. The invention is intended to cover various modifications and equivalent arrangements included within the spirit and scope of the appended claims.

Claims (9)

1. The laser car lamp system based on optical fiber conduction is characterized by comprising a central controller (1), an integrated light source (2), an optical fiber group (3), a lighting terminal (4) and an external sensor (5); the integrated light source (2) comprises a laser light source (2-1), a heat dissipation base (2-2), a light conversion material (2-3) and a lens group (2-4);
the central controller (1) controls the lighting of all the laser light sources (2-1), generated blue light is incident to the surface of the conversion material (2-3) and then forms mixed light to be emitted, and the mixed light is collected and compressed by the lens group (2-4) to be emitted, converged in the optical fiber group (3) and respectively transmitted to the illumination terminal (4); an external sensor (5) arranged outside the lighting terminal (4) detects the surrounding environment and feeds back the surrounding environment to the central controller (1), so that the intelligent control of the car lamp system is realized.
2. The optical fiber conduction-based laser car lamp system according to claim 1, wherein the integrated light source (2) is separated from the lighting terminal (4) and connected with the optical fiber group (3) in the middle.
3. The optical fiber conduction-based laser car lamp system as claimed in claim 1, wherein the laser light source (2-1) is a blue semiconductor laser module, and the emission wavelength is 445-460 nm.
4. The optical fiber conduction-based laser car lamp system according to claim 1, wherein the laser light source (2-1) and the heat dissipation base (2-2) are connected through a solder, and the light conversion material (2-3) and the heat dissipation base (2-2) are connected through a silica gel or a liquid gold.
5. The fiber-optic conduction-based laser vehicular lamp system according to claim 1, wherein the light conversion material (2-3) is one or more of a single chip, a ceramic chip, a fluorescent glass chip, and a fluorescent powder chip.
6. The fiber-optic-conduction-based laser vehicular lamp system according to claim 1, wherein the light conversion material (2-3) is Ce: YAG (Y)3Al5O12)、Ce:LuAG(Lu3Al5O12)、Eu:CaAlSiN3One or more combinations thereof.
7. The fiber-optic-conduction-based laser vehicular lamp system according to claim 1, wherein the light conversion material (2-3) emits yellow light (Ce: YAG) or green light (Ce: LuAG) or red light (Eu: CaAlSiN)3) (ii) a After laser excitation, the light source is mixed with blue light to generate a light source with the color temperature of 2700-7500K.
8. The fiber-optic-conduction-based laser vehicular lamp system according to claim 1, wherein the optical fiber (3) guides light of different colors from the integrated light source (2) out to the illumination terminal (4).
9. The fiber-conduction-based laser vehicle lamp system according to claim 1, wherein the lighting terminal (4) is a vehicle lamp including a head lamp, a dome lamp, a back-up lamp, a fog lamp, an interior lamp, a license plate lamp, an instrument lamp, an interior lamp, a trunk lamp, and a backup lamp.
CN202011481579.XA 2020-12-15 2020-12-15 Laser car lamp system based on optical fiber conduction Pending CN112594591A (en)

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Application Number Priority Date Filing Date Title
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116085695A (en) * 2022-12-06 2023-05-09 江苏锡沂高新材料产业技术研究院有限公司 A laser lighting system for a lighthouse

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070091634A1 (en) * 2005-10-24 2007-04-26 Sumitomo Electric Industries, Ltd. Light supply unit, illumination unit, and illumination system
US20080055065A1 (en) * 2006-08-30 2008-03-06 David Charles Feldmeier Systems, devices, components and methods for controllably configuring the brightness of light emitted by an automotive LED illumination system
CN204786017U (en) * 2015-07-14 2015-11-18 中国科学院重庆绿色智能技术研究院 Leaded light illumination self -adaptation laser head -light
CN110989278A (en) * 2019-12-02 2020-04-10 江苏师范大学 An optical fiber conducting green light source and all-fiber laser backlight device

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070091634A1 (en) * 2005-10-24 2007-04-26 Sumitomo Electric Industries, Ltd. Light supply unit, illumination unit, and illumination system
US20080055065A1 (en) * 2006-08-30 2008-03-06 David Charles Feldmeier Systems, devices, components and methods for controllably configuring the brightness of light emitted by an automotive LED illumination system
CN204786017U (en) * 2015-07-14 2015-11-18 中国科学院重庆绿色智能技术研究院 Leaded light illumination self -adaptation laser head -light
CN110989278A (en) * 2019-12-02 2020-04-10 江苏师范大学 An optical fiber conducting green light source and all-fiber laser backlight device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116085695A (en) * 2022-12-06 2023-05-09 江苏锡沂高新材料产业技术研究院有限公司 A laser lighting system for a lighthouse

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Application publication date: 20210402