CN114659038A - A double-colored laser lamp-house for unmanned aerial vehicle - Google Patents
A double-colored laser lamp-house for unmanned aerial vehicle Download PDFInfo
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- CN114659038A CN114659038A CN202210128249.5A CN202210128249A CN114659038A CN 114659038 A CN114659038 A CN 114659038A CN 202210128249 A CN202210128249 A CN 202210128249A CN 114659038 A CN114659038 A CN 114659038A
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- yag
- fluorescent ceramic
- heat dissipation
- dissipation substrate
- sliding mechanism
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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
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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
- F21K9/60—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
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- 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
- F21V29/85—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems characterised by the material
- F21V29/89—Metals
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V9/00—Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters
- F21V9/30—Elements containing photoluminescent material distinct from or spaced from the light source
- F21V9/32—Elements containing photoluminescent material distinct from or spaced from the light source characterised by the arrangement of the photoluminescent material
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V9/00—Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters
- F21V9/30—Elements containing photoluminescent material distinct from or spaced from the light source
- F21V9/38—Combination of two or more photoluminescent elements of different materials
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- 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
- F21W2107/30—Use or application of lighting devices on or in particular types of vehicles for aircraft
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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
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Optics & Photonics (AREA)
- Luminescent Compositions (AREA)
Abstract
The invention discloses a bicolor laser light source for an unmanned aerial vehicle, which comprises a first heat dissipation substrate, a blue laser, a first linear sliding mechanism, a second heat dissipation substrate, a Ce-YAG fluorescent ceramic, a Ce-YAG composite fluorescent ceramic, a second linear sliding mechanism and an optical cup, wherein the first heat dissipation substrate, the blue laser, the first linear sliding mechanism and the second heat dissipation substrate are sequentially arranged from top to bottom; the blue laser is positioned in the first heat dissipation substrate, the Ce: YAG fluorescent ceramic and the Ce: YAG composite fluorescent ceramic are positioned in the second heat dissipation substrate, and the packaging mode of the blue laser and the Ce: YAG fluorescent ceramic and the Ce: YAG composite fluorescent ceramic is a transmission type structure; the heat dissipation substrate is used for system heat dissipation, the blue laser is used for emitting laser, the Ce: YAG fluorescent ceramic and the Ce: YAG composite fluorescent ceramic are used for absorbing blue light to emit fluorescence, the linear sliding mechanism is used for adjusting the position of the fluorescent ceramic, and the optical cup is used for collecting and shaping. The double-color laser light source has the characteristics of flexibility in light emission, long irradiation distance and the like, and meets the illumination requirements of the unmanned aerial vehicle in different working environments.
Description
Technical Field
The invention relates to the field of laser illumination and display, in particular to a bicolor laser light source for an unmanned aerial vehicle.
Background
Laser lighting technology, which is a semiconductor lighting technology based on blue light semiconductor Laser (LD), has ultra-high brightness>2000lm/mm2) Ultra-long irradiation distance (>600 meters); and easily realize ultra-wide range illumination (etendue)<10mm2) The LED lamp is widely applied to the fields of remote illumination of automobiles, high-speed rails and the like, industrial illumination, road illumination and the like. The localization of blue-green light semiconductor lasers and the perfect industrial matching capability in China promote the laser lighting technology in China to move to the world front.
In unmanned aerial vehicle illumination field, laser light source's hi-lite, miniaturization and super far irradiation distance advantage are more obvious. The existing unmanned aerial vehicle light source adopts an LED + fluorescent powder lighting source, and becomes a mainstream technical route due to high luminous efficiency and low price. However, the LED has a large light emitting area, which results in a large size of the optical element, and increases the difficulty of takeoff of the unmanned aerial vehicle. In addition, traditional unmanned aerial vehicle searchlight is no longer suitable in rainy and foggy weather because the illumination quality is poor. Therefore, it is necessary to design a light source of unmanned aerial vehicle which is light and suitable for sunny nights and rainy and foggy nights.
Disclosure of Invention
The invention aims to provide a two-color laser light source for an unmanned aerial vehicle, which is small in size, has the characteristics of light emitting flexibility, long irradiation distance and the like, and meets the illumination requirements under different environments.
In order to achieve the purpose, the invention adopts the following technical scheme: a double-color laser light source for an unmanned aerial vehicle comprises a first heat dissipation substrate, a blue laser, a first linear sliding mechanism, a second heat dissipation substrate, a second Ce: YAG fluorescent ceramic, a second Ce: YAG composite fluorescent ceramic, a second linear sliding mechanism and an optical cup which are sequentially arranged from top to bottom; the blue laser is positioned in the first heat dissipation substrate, the Ce: YAG fluorescent ceramic and the Ce: YAG composite fluorescent ceramic are positioned in the second heat dissipation substrate, the packaging mode of the blue laser, the Ce: YAG fluorescent ceramic and the Ce: YAG composite fluorescent ceramic is a transmission structure, the first linear sliding mechanism is positioned between the first heat dissipation substrate and the second heat dissipation substrate, the second linear sliding mechanism is positioned below the second heat dissipation substrate, the optical cup movably covers the second linear sliding mechanism, and the Ce: YAG composite fluorescent ceramic is Ce: YAG/RE: YAG composite fluorescent ceramic or Ce: YAG/RE: LuAG composite fluorescent ceramic;
the first heat dissipation substrate and the first heat dissipation substrate are used for dissipating heat of a system, the blue laser is used for emitting blue laser, the Ce: YAG fluorescent ceramic and the Ce: YAG composite fluorescent ceramic are used for absorbing blue light to emit fluorescence, the first linear sliding mechanism and the second linear sliding mechanism are used for adjusting the position of the fluorescent ceramic, and the optical cup is used for collecting and shaping.
Preferably, the output power of the blue laser is 5.0-10.0W.
Preferably, the Ce: YAG fluorescent ceramic has a transmittance of 10.0-60.0% at 800 nm.
Preferably, RE in the Ce: YAG/RE: YAG composite fluorescent ceramic or the Ce: YAG/RE: LuAG composite fluorescent ceramic is selected from Pr, Mn or Cr.
Preferably, the transmittance of the Ce: YAG composite fluorescent ceramic at 800nm is 10.0-60.0%.
Preferably, the first heat dissipation substrate and the second heat dissipation substrate are made of red copper or aluminum.
Compared with the prior art, the invention has the following beneficial effects:
1. compared with the existing single light-emitting light source, the lighting system with the double light-emitting single optical structure is higher in use flexibility. The technical scheme of realizing double luminescence by adopting double ceramics in the optical system can change the illumination parameters according to the working environment and ensure the illumination saturation at night in sunny days and the ultra-long illumination distance at rainy and foggy nights.
2. Compared with the existing scheme of LED and fluorescent powder, the technical scheme of laser light source and high-efficiency fluorescent ceramic material has the advantages of higher collimation and luminous intensity, long irradiation distance of the white light source and high luminous efficiency.
3. The double-color illumination light source adopted by the invention has lighter weight and is beneficial to reducing the takeoff difficulty. The invention has high luminous efficiency, can reduce the number of LED light sources in the traditional optical system, further reduce the quality of the whole machine and reduce the takeoff difficulty of the unmanned aerial vehicle.
Drawings
FIG. 1 is a schematic diagram of a system of the present invention using a Ce: YAG fluorescent ceramic as a light emitting unit;
FIG. 2 is a diagram of the optical path of the system of the present invention using a Ce: YAG fluorescent ceramic as the light emitting unit;
FIG. 3 is a schematic diagram of a system of the present invention using a Ce: YAG composite fluorescent ceramic as a light emitting unit;
FIG. 4 is a diagram of the optical path of the system of the present invention using a Ce: YAG composite fluorescent ceramic as the light emitting unit;
in the figure, 1, a heat dissipation substrate, 2, a blue laser, 3, a linear sliding mechanism, 4, 5, 6 and 6, wherein Ce is YAG fluorescent ceramic, 5, Ce is YAG composite fluorescent ceramic, and a light cup.
Detailed Description
The invention is described in further detail below with reference to the figures and the specific embodiments.
Example 1
As shown in figure 1, the bicolor laser light source for the unmanned aerial vehicle comprises a heat dissipation substrate 1-1, a blue laser 2, a linear sliding mechanism 3-1, a heat dissipation substrate 1-2, a Ce: YAG fluorescent ceramic 4, a Ce: YAG composite fluorescent ceramic 5, a linear sliding mechanism 3-2 and an optical cup 6 which are sequentially arranged from top to bottom. The blue laser 2 is positioned in the heat dissipation substrate 1-1, the Ce: YAG fluorescent ceramic 4 and the Ce: YAG composite fluorescent ceramic 5 are positioned in the heat dissipation substrate 1-2, the packaging mode of the blue laser 2, the Ce: YAG fluorescent ceramic 4 and the Ce: YAG composite fluorescent ceramic 5 is a transmission structure, the linear sliding mechanism 3-1 is positioned between the heat dissipation substrate 1-1 and the heat dissipation substrate 1-2, the linear sliding mechanism 3-2 is positioned below the heat dissipation substrate 1-2, and the optical cup 6 is movably covered on the linear sliding mechanism 3-2;
in order to achieve a better illumination effect, the output power of the blue laser 2 in this embodiment is 5.0W; the transmittance of the Ce: YAG fluorescent ceramic 4 at 800nm is 10.0 percent; the Ce: YAG composite fluorescent ceramic 5 is Ce: YAG/Pr: LuAG composite fluorescent ceramic; the transmittance of the Ce-YAG composite fluorescent ceramic 5 at 800nm is 10.0 percent; the heat dissipation substrate 1-1 and the heat dissipation substrate 1-2 are made of red copper.
The heat dissipation substrate 1-1 and the heat dissipation substrate 1-2 are used for dissipating heat of a system, the blue laser 2 is used for emitting blue laser, the Ce: YAG fluorescent ceramic 4 and the Ce: YAG composite fluorescent ceramic 5 are used for absorbing blue light to emit fluorescence, the linear sliding mechanism 3-1 and the linear sliding mechanism 3-2 are used for adjusting the position of the fluorescent ceramic, and the optical cup 6 is used for collecting and shaping.
As shown in FIG. 2, the linear sliding mechanism 3-1 and the linear sliding mechanism 3-2 are adjusted to make the blue laser 2 excite the Ce: YAG fluorescent ceramic 4. When the output power of the blue laser 2 is 5.0W, the color temperature of the white light collected by the light cup 6 is 7000K, and the luminous flux is 1200 lm.
As shown in FIG. 3 and FIG. 4, the linear sliding mechanism 3-1 and the linear sliding mechanism 3-2 are adjusted to make the blue laser 2 excite the Ce: YAG composite fluorescent ceramic 5. When the output power of the blue laser 2 is 5.0W, the color temperature of the white light collected by the light cup 6 is 3000K, and the luminous flux is 1000 lm.
Example 2
As shown in figure 1, the bicolor laser light source for the unmanned aerial vehicle comprises a heat dissipation substrate 1-1, a blue laser 2, a linear sliding mechanism 3-1, a heat dissipation substrate 1-2, a Ce: YAG fluorescent ceramic 4, a Ce: YAG composite fluorescent ceramic 5, a linear sliding mechanism 3-2 and a light cup 6 which are sequentially arranged from top to bottom. The blue laser 2 is positioned in the heat dissipation substrate 1-1, the Ce: YAG fluorescent ceramic 4 and the Ce: YAG composite fluorescent ceramic 5 are positioned in the heat dissipation substrate 1-2, the packaging mode of the blue laser 2, the Ce: YAG fluorescent ceramic 4 and the Ce: YAG composite fluorescent ceramic 5 is a transmission structure, the linear sliding mechanism 3-1 is positioned between the heat dissipation substrate 1-1 and the heat dissipation substrate 1-2, the linear sliding mechanism 3-2 is positioned below the heat dissipation substrate 1-2, and the optical cup 6 is movably covered on the linear sliding mechanism 3-2;
in order to achieve better illumination effect, the output power of the blue laser 2 in this embodiment is 10.0W; the transmittance of the Ce: YAG fluorescent ceramic 4 at 800nm is 60.0 percent; the Ce: YAG composite fluorescent ceramic 5 is Ce: YAG/Mn: YAG composite fluorescent ceramic; the transmittance of the Ce-YAG composite fluorescent ceramic 5 at 800nm is 60.0 percent; the heat dissipation substrate 1-1 and the heat dissipation substrate 1-2 are made of aluminum.
The heat dissipation substrate 1-1 and the heat dissipation substrate 1-2 are used for dissipating heat of a system, the blue laser 2 is used for emitting blue laser, the Ce: YAG fluorescent ceramic 4 and the Ce: YAG composite fluorescent ceramic 5 are used for absorbing blue light to emit fluorescence, the linear sliding mechanism 3-1 and the linear sliding mechanism 3-2 are used for adjusting the position of the fluorescent ceramic, and the optical cup 6 is used for collecting and shaping.
As shown in FIG. 2, the linear sliding mechanism 3-1 and the linear sliding mechanism 3-2 are adjusted to make the blue laser 2 excite the Ce: YAG fluorescent ceramic 4. When the output power of the blue laser 2 is 10.0W, the color temperature of the white light collected by the light cup 6 is 9000K, and the luminous flux is 2000 lm.
As shown in FIG. 3 and FIG. 4, the linear sliding mechanism 3-1 and the linear sliding mechanism 3-2 are adjusted to make the blue laser 2 excite the Ce: YAG composite fluorescent ceramic 5. When the output power of the blue laser 2 is 10.0W, the color temperature of the white light collected by the light cup 6 is 6000K, and the luminous flux is 1500 lm.
Example 3
As shown in figure 1, the bicolor laser light source for the unmanned aerial vehicle comprises a heat dissipation substrate 1-1, a blue laser 2, a linear sliding mechanism 3-1, a heat dissipation substrate 1-2, a Ce: YAG fluorescent ceramic 4, a Ce: YAG composite fluorescent ceramic 5, a linear sliding mechanism 3-2 and an optical cup 6 which are sequentially arranged from top to bottom. The blue laser 2 is positioned in the heat dissipation substrate 1-1, the Ce: YAG fluorescent ceramic 4 and the Ce: YAG composite fluorescent ceramic 5 are positioned in the heat dissipation substrate 1-2, the packaging mode of the blue laser 2, the Ce: YAG fluorescent ceramic 4 and the Ce: YAG composite fluorescent ceramic 5 is a transmission structure, the linear sliding mechanism 3-1 is positioned between the heat dissipation substrate 1-1 and the heat dissipation substrate 1-2, the linear sliding mechanism 3-2 is positioned below the heat dissipation substrate 1-2, and the optical cup 6 is movably covered on the linear sliding mechanism 3-2;
in order to achieve better illumination effect, the output power of the blue laser 2 is 10.0W; the transmittance of the Ce: YAG fluorescent ceramic 4 at 800nm is 20.0 percent; the Ce: YAG composite fluorescent ceramic 5 is Ce: YAG/Cr: YAG composite fluorescent ceramic; the transmittance of the Ce-YAG composite fluorescent ceramic 5 at 800nm is 20.0 percent; the heat dissipation substrate 1-1 and the heat dissipation substrate 1-2 are made of red copper.
The heat dissipation substrate 1-1 and the heat dissipation substrate 1-2 are used for dissipating heat of a system, the blue laser 2 is used for emitting blue laser, the Ce: YAG fluorescent ceramic 4 and the Ce: YAG composite fluorescent ceramic 5 are used for absorbing blue light to emit fluorescence, the linear sliding mechanism 3-1 and the linear sliding mechanism 3-2 are used for adjusting the position of the fluorescent ceramic, and the optical cup 6 is used for collecting and shaping.
As shown in FIG. 2, the linear sliding mechanism 3-1 and the linear sliding mechanism 3-2 are adjusted to make the blue laser 2 excite the Ce: YAG fluorescent ceramic 4. When the output power of the blue laser 2 is 10.0W, the color temperature of the white light collected by the light cup 6 is 8500K, and the luminous flux is 1890 lm.
As shown in FIG. 3 and FIG. 4, the linear sliding mechanism 3-1 and the linear sliding mechanism 3-2 are adjusted to make the blue laser 2 excite the Ce: YAG composite fluorescent ceramic 5. When the output power of the blue laser 2 is 10.0W, the color temperature of the white light collected by the light cup 6 is 4500K, and the luminous flux is 1350 lm.
Claims (6)
1. A bicolor laser light source for an unmanned aerial vehicle is characterized by comprising a first heat dissipation substrate (1-1), a blue laser (2), a first linear sliding mechanism (3-1), a second heat dissipation substrate (1-2), a Ce YAG fluorescent ceramic (4), a Ce YAG composite fluorescent ceramic (5), a second linear sliding mechanism (3-2) and an optical cup (6) which are sequentially arranged from top to bottom; the blue laser (2) is positioned in the first heat dissipation substrate (1-1), and the ratio of Ce: YAG fluorescent ceramic (4) and Ce: YAG composite fluorescent ceramic (5) is positioned in the second heat dissipation substrate (1-2), the blue laser (2) is connected with a Ce: YAG fluorescent ceramic (4), Ce: the packaging mode of the YAG composite fluorescent ceramic (5) is a transmission type structure, the first linear sliding mechanism (3-1) is positioned between the first heat dissipation substrate (1-1) and the second heat dissipation substrate (1-2), the second linear sliding mechanism (3-2) is positioned below the second heat dissipation substrate (1-2), the light cup (6) is movably covered on the linear sliding mechanism II (3-2), the Ce: YAG composite fluorescent ceramic (5) is Ce: YAG/RE: YAG composite fluorescent ceramic or Ce: YAG/RE: LuAG composite fluorescent ceramic;
the heat dissipation substrate I (1-1) and the heat dissipation substrate I (1-2) are used for system heat dissipation, the blue laser (2) is used for emitting blue laser, the Ce: YAG fluorescent ceramic (4) and the Ce: YAG composite fluorescent ceramic (5) are used for absorbing blue light to emit fluorescence, the linear sliding mechanism I (3-1) and the linear sliding mechanism II (3-2) are used for adjusting the positions of the fluorescent ceramic, and the optical cup (6) is used for collecting and shaping.
2. The bicolor laser light source for unmanned aerial vehicles according to claim 1, wherein the output power of the blue laser (2) is 5.0-10.0W.
3. The bicolor laser light source for the unmanned aerial vehicle as claimed in claim 1, wherein the Ce: YAG fluorescent ceramic (4) has a transmittance of 10.0-60.0% at 800 nm.
4. The bi-color laser light source for the unmanned aerial vehicle of claim 1, wherein RE in the Ce: YAG/RE: YAG composite fluorescent ceramic or the Ce: YAG/RE: LuAG composite fluorescent ceramic is selected from Pr, Mn or Cr.
5. The bicolor laser light source for the unmanned aerial vehicle as claimed in claim 1, wherein the Ce: YAG composite fluorescent ceramic (5) has a transmittance of 10.0-60.0% at 800 nm.
6. The bicolor laser light source for the unmanned aerial vehicle as claimed in claim 1, wherein the first heat dissipation substrate (1-1) and the first heat dissipation substrate (1-2) are made of red copper or aluminum.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210128249.5A CN114659038A (en) | 2022-02-11 | 2022-02-11 | A double-colored laser lamp-house for unmanned aerial vehicle |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210128249.5A CN114659038A (en) | 2022-02-11 | 2022-02-11 | A double-colored laser lamp-house for unmanned aerial vehicle |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20120106186A1 (en) * | 2010-10-29 | 2012-05-03 | Sharp Kabushiki Kaisha | Illumination apparatus and vehicular headlamp |
| CN103727486A (en) * | 2013-12-26 | 2014-04-16 | 华南师范大学 | LED lamp and LED illuminating system on basis of Zigbee network |
| CN103827577A (en) * | 2011-09-21 | 2014-05-28 | Lg伊诺特有限公司 | Lighting device |
| CN103956421A (en) * | 2014-04-22 | 2014-07-30 | 中国科学院上海光学精密机械研究所 | LED lamp based on transparent fluorescent ceramics |
| CN112759396A (en) * | 2021-01-20 | 2021-05-07 | 江苏师范大学 | Rod-shaped fluorescent ceramic and preparation method and application thereof |
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2022
- 2022-02-11 CN CN202210128249.5A patent/CN114659038A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20120106186A1 (en) * | 2010-10-29 | 2012-05-03 | Sharp Kabushiki Kaisha | Illumination apparatus and vehicular headlamp |
| CN103827577A (en) * | 2011-09-21 | 2014-05-28 | Lg伊诺特有限公司 | Lighting device |
| CN103727486A (en) * | 2013-12-26 | 2014-04-16 | 华南师范大学 | LED lamp and LED illuminating system on basis of Zigbee network |
| CN103956421A (en) * | 2014-04-22 | 2014-07-30 | 中国科学院上海光学精密机械研究所 | LED lamp based on transparent fluorescent ceramics |
| CN112759396A (en) * | 2021-01-20 | 2021-05-07 | 江苏师范大学 | Rod-shaped fluorescent ceramic and preparation method and application thereof |
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