CN110594702A - LD-based double-color temperature lighting device and preparation method thereof - Google Patents
LD-based double-color temperature lighting device and preparation method thereof Download PDFInfo
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- CN110594702A CN110594702A CN201910880317.1A CN201910880317A CN110594702A CN 110594702 A CN110594702 A CN 110594702A CN 201910880317 A CN201910880317 A CN 201910880317A CN 110594702 A CN110594702 A CN 110594702A
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- 238000002360 preparation method Methods 0.000 title abstract description 10
- 238000000034 method Methods 0.000 claims abstract description 14
- 230000000694 effects Effects 0.000 claims abstract description 11
- 239000000843 powder Substances 0.000 claims description 59
- 239000003292 glue Substances 0.000 claims description 34
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical group [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 22
- 239000011521 glass Substances 0.000 claims description 11
- 239000002994 raw material Substances 0.000 claims description 9
- 238000005286 illumination Methods 0.000 claims description 8
- 239000011259 mixed solution Substances 0.000 claims description 6
- PMHQVHHXPFUNSP-UHFFFAOYSA-M copper(1+);methylsulfanylmethane;bromide Chemical compound Br[Cu].CSC PMHQVHHXPFUNSP-UHFFFAOYSA-M 0.000 claims description 5
- FRWYFWZENXDZMU-UHFFFAOYSA-N 2-iodoquinoline Chemical compound C1=CC=CC2=NC(I)=CC=C21 FRWYFWZENXDZMU-UHFFFAOYSA-N 0.000 claims description 3
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 3
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims description 3
- LTPBRCUWZOMYOC-UHFFFAOYSA-N beryllium oxide Inorganic materials O=[Be] LTPBRCUWZOMYOC-UHFFFAOYSA-N 0.000 claims description 3
- KZHJGOXRZJKJNY-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Si]=O.O=[Al]O[Al]=O.O=[Al]O[Al]=O.O=[Al]O[Al]=O KZHJGOXRZJKJNY-UHFFFAOYSA-N 0.000 claims description 3
- 238000001746 injection moulding Methods 0.000 claims description 3
- 238000003754 machining Methods 0.000 claims description 3
- 229910052863 mullite Inorganic materials 0.000 claims description 3
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 claims description 3
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 claims description 3
- 229910010271 silicon carbide Inorganic materials 0.000 claims description 3
- 229910052709 silver Inorganic materials 0.000 claims description 3
- 239000004332 silver Substances 0.000 claims description 3
- 238000005303 weighing Methods 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 3
- 239000000084 colloidal system Substances 0.000 claims description 2
- 238000010030 laminating Methods 0.000 claims description 2
- 238000004891 communication Methods 0.000 claims 1
- 230000009977 dual effect Effects 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 230000008569 process Effects 0.000 abstract description 3
- 230000006872 improvement Effects 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 229910002601 GaN Inorganic materials 0.000 description 2
- JMASRVWKEDWRBT-UHFFFAOYSA-N Gallium nitride Chemical compound [Ga]#N JMASRVWKEDWRBT-UHFFFAOYSA-N 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 230000007123 defense Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing 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
- F21V13/00—Producing 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
- F21V13/12—Combinations of only three kinds of elements
- F21V13/14—Combinations of only three kinds of elements the elements being filters or photoluminescent elements, reflectors and refractors
-
- 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
- F21V9/08—Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters for producing coloured light, e.g. monochromatic; for reducing intensity of light
-
- 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
-
- 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
- F21V9/40—Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters with provision for controlling spectral properties, e.g. colour, or intensity
-
- 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 relates to the technical field of LD, in particular to a double-color temperature lighting device based on LD and a preparation method thereof, comprising a shell, an LD light source and a power supply, wherein the LD light source is electrically connected with the power supply, the double-color temperature lighting device also comprises a heat sink, a movable light reflecting unit and a double-color fluorescent unit, the heat sink is arranged at the bottom of the inner side of the shell, the double-color fluorescent unit is arranged at the top of the inner side of the shell, the LD light source is arranged by being jointed with the heat sink, the movable light reflecting unit is arranged between the LD light source and the double-color fluorescent unit, and the centers of the heat sink, the LD light source, the movable light reflecting unit and the double-color fluorescent unit are positioned on the same central axis; the preparation method provided by the invention has the advantages of simple process and easiness in manufacturing, and the prepared lighting device has a good using effect.
Description
Technical Field
The invention relates to the technical field of LD (laser diode), in particular to a double-color temperature lighting device based on LD (laser diode) and a preparation method thereof.
Background
Since the first invention of LD in the world appeared in 1962, the LD has changed greatly, which has greatly promoted the development of other scientific technologies, and is considered as one of the greatest inventions of 20 th century, and in recent decades, the development of LD is more rapid, which has become the fastest developing laser technology in the world, and the application of LD covers the whole photoelectric field, which has become the core technology of current photoelectric science.
In recent years, LD has been increasingly used in medical treatment, material processing, national defense, and other fields. In the lighting field of the LD, a laser light source is based on a semipolar GaN (gallium nitride) laser diode, and a phosphor technology is combined, laser is concentrated on a certain tiny spot on phosphor to emit light and is converted into white light, and safe and highly collimated white light can be output.
In some special lighting occasions, like places such as market, sales counter, coffee shop, need use double-color temperature light, satisfy the demand, but current LD lighting device can't realize adjusting luminance mixing of colors function, can't be better satisfy the place use that has double-color temperature demand.
In view of the above technical problems, there is a need to provide a new LD lighting device to better solve the above technical problems.
Disclosure of Invention
In order to solve the problems, the invention provides a double-color temperature illumination device based on LD and a preparation method thereof, which have the advantages of simple structure, reasonable design and adjustable color light and can be applied to places needing color temperature change.
The technical scheme adopted by the invention is as follows: the utility model provides a double-colored warm lighting device based on LD, includes shell, LD light source and power electric connection, still include heat sink, activity reflection of light unit and double-colored fluorescence unit, heat sink is installed in casing inboard bottom, double-colored fluorescence unit is installed in the inboard top of casing, the heat sink setting of LD light source laminating, the activity reflection of light unit is located between LD light source and the double-colored fluorescence unit, heat sink, LD light source, the center of activity reflection of light unit and double-colored fluorescence unit is located same the central axis.
The technical scheme is further improved in that the reflecting unit comprises a reflecting mirror, a reflecting cup and a driving device, the reflecting mirror is installed in the light emitting direction of the LD light source, the reflecting mirror and the LD light source are located on the same central axis, the reflecting cup is arranged around the reflecting mirror and attached to the inner wall of the shell, and the driving device is connected with the reflecting mirror.
The technical proposal is further improved in that the double-color fluorescent unit is provided with a warm white fluorescent powder film and a positive white fluorescent powder film which are respectively arranged along the central line.
The further improvement of the technical proposal is that the color temperature of the warm white fluorescent powder film is 2200-3500K, and the color temperature of the positive white fluorescent powder film is 5000-7500K.
The technical proposal is further improved by comprising a light homogenizing plate which is arranged between the movable light reflecting unit and the fluorescent unit and is arranged on the shell.
The further improvement of the technical proposal is that the fluorescent lamp also comprises a glass cover, and the glass cover is positioned at the outer side of the bicolor fluorescent unit and is arranged at the top of the shell.
A preparation method of a double-color temperature lighting device based on LD comprises the following steps:
the method comprises the following steps: preparing the shell by a machining or injection molding process;
step two: installing a heat sink, welding an LD light source on the heat sink, and tightly attaching the LD light source to the surface of the heat sink;
step three: installing a reflector, and installing the reflector at the central position in the shell;
step four: fitting the reflecting cup to the inner wall of the shell;
step five: installing a light homogenizing plate, a warm white fluorescent powder film and a positive white fluorescent powder film;
step six: and installing the glass cover to obtain the double-color-temperature lighting device.
The further improvement of the technical proposal is that,
in the second step, the heat sink is made of any one or more of aluminum nitride, aluminum oxide, silicon carbide, mullite or beryllium oxide, and can be heated by silver colloid and tin paste to be tightly attached to the LD light source;
and step five, the warm white fluorescent powder film and the positive white fluorescent powder film respectively comprise yellow fluorescent powder with the peak wavelength of 520-580nm, red fluorescent powder with the peak wavelength of 600-670nm, glue A and glue B.
The further improvement of the technical proposal is that,
the mass ratio of the yellow fluorescent powder to the red fluorescent powder to the glue A to the glue B in the warm white fluorescent powder film is (0.35-0.55): (0.03-0.1): (1.5-3.5): (1.5-3.5);
the mass ratio of the yellow fluorescent powder to the red fluorescent powder to the glue A to the glue B in the positive white fluorescent glue is (0.35-0.5): (0.05-0.15): (1.5-3.5): (1.5-3.5).
The further improvement of the technical proposal is that,
when the warm white fluorescent powder film is prepared, weighing raw materials according to the proportion of yellow fluorescent powder, red fluorescent powder, A glue and B glue in the warm white fluorescent powder film, uniformly mixing, defoaming, pouring the mixed solution into a jig, and sending the jig into an oven for baking to prepare the warm white fluorescent powder film;
when the white phosphor film is prepared, the raw materials are weighed according to the proportion of yellow phosphor, red phosphor, A glue and B glue in the white phosphor film, the raw materials are uniformly mixed, the mixed solution is poured into a jig after defoaming, and the jig is put into an oven to be baked, so that the white phosphor film is prepared.
The invention has the following beneficial effects:
1. the invention comprises a shell, an LD light source and a power supply, wherein the LD light source is electrically connected with the power supply, the invention also comprises a heat sink, a movable reflecting unit and a bicolor fluorescent unit, the heat sink is arranged at the bottom of the inner side of the shell, the bicolor fluorescent unit is arranged at the top of the inner side of the shell, the LD light source is arranged by being attached to the heat sink, the movable reflecting unit is arranged between the LD light source and the bicolor fluorescent unit, the centers of the heat sink, the LD light source, the movable reflecting unit and the bicolor fluorescent unit are positioned on the same central axis, the LD light source has small volume and high light parallelism, the light loss can be well reduced, the laser.
2. The preparation method provided by the invention has the advantages of simple process and easiness in manufacturing, and the prepared lighting device has a good using effect.
Drawings
FIG. 1 is a schematic structural view of the present invention;
description of reference numerals: 1. the LED fluorescent lamp comprises a heat sink, 2. an LD light source, 3. a shell, 4. a reflector, 5. a reflecting cup, 6. a light homogenizing plate, 7a. warm white fluorescent powder film, 7b. normal white fluorescent powder film and 8. a glass cover.
Detailed Description
The invention will be further described with reference to the accompanying drawings.
As shown in fig. 1, the dual-color temperature illumination device based on LD in this embodiment includes a housing, an LD light source and a power source, the LD light source is electrically connected to the power source, and further includes a heat sink, a movable reflective unit and a dual-color fluorescent unit, the heat sink is disposed at the bottom of the inner side of the housing, the dual-color fluorescent unit is disposed at the top of the inner side of the housing, the LD light source is disposed in the heat sink, the movable reflective unit is disposed between the LD light source and the dual-color fluorescent unit, the centers of the heat sink, the LD light source, the movable reflective unit and the dual-color fluorescent unit are located on the same central axis, the LD light source has small volume and high light parallelism, thereby reducing light loss, the direction of laser light can be changed by rotating the reflective unit, so that the laser light irradiates different color temperature regions, and then reflect different color temperatures, thereby realizing color temperature adjustment and having good use effect.
In some embodiments, the reflecting unit comprises a reflector, a reflecting cup and a driving device, the reflector is installed in the light emitting direction of the LD light source, the reflector and the LD light source are located on the same central axis, the reflecting cup is arranged around the reflector and is attached to the inner wall of the housing, the driving device is connected with the reflector, more specifically, the driving device in this embodiment is a wireless remote control motor, the angle of the reflector can be changed by controlling the rotation of the reflector, so as to change the light direction, and further obtain the illumination with different color temperatures, the use is convenient,
in other specific embodiments, the two-color fluorescent unit is provided with a warm white fluorescent powder film and a positive white fluorescent powder film which are respectively arranged along the central line, the color temperature of the warm white fluorescent powder film is 2200-3500K, and the color temperature of the positive white fluorescent powder film is 5000-7500K.
In some specific examples, the light homogenizing plate is arranged between the movable light reflecting unit and the fluorescent unit and is arranged on the shell, so that the laser emitted by the LD light source is uniform in light intensity and then emitted out by the fluorescent powder film, the light source is more uniform, and the using effect is better.
In other specific examples, the dual-color fluorescent lamp further comprises a glass cover, wherein the glass cover is positioned outside the dual-color fluorescent unit and is arranged at the top of the shell, and the glass cover is arranged at the top of the shell, so that the top of the shell is protected, and meanwhile, the dual-color fluorescent lamp is complete in structure and convenient to use.
The preparation method of the LD-based two-color temperature lighting device comprises the following steps:
the method comprises the following steps: preparing the shell by a machining or injection molding process;
step two: installing a heat sink, welding an LD light source on the heat sink, and tightly attaching the LD light source to the surface of the heat sink;
step three: installing a reflector, and installing the reflector at the central position in the shell;
step four: fitting the reflecting cup to the inner wall of the shell;
step five: installing a light homogenizing plate, a warm white fluorescent powder film and a positive white fluorescent powder film;
step six: and installing the glass cover to obtain the double-color-temperature lighting device.
The heat sink in the second step is made of any one or more of aluminum nitride, aluminum oxide, silicon carbide, mullite or beryllium oxide, and an aluminum nitride ceramic substrate is preferably used as the heat sink in the embodiment because the aluminum nitride ceramic substrate is mature in manufacturing process and high in heat conductivity coefficient, heat exchange is facilitated, the use of the LED light source is not influenced, and meanwhile, the heat sink and the LD light source can be tightly attached by heating with silver glue and tin paste;
and step five, the warm white fluorescent powder film and the positive white fluorescent powder film respectively comprise yellow fluorescent powder with the peak wavelength of 520-580nm, red fluorescent powder with the peak wavelength of 600-670nm, glue A and glue B.
Wherein the mass ratio of the yellow fluorescent powder to the red fluorescent powder to the glue A to the glue B in the warm white fluorescent powder film is (0.35-0.55): (0.03-0.1): (1.5-3.5): (1.5-3.5);
the mass ratio of the yellow fluorescent powder to the red fluorescent powder to the glue A to the glue B in the positive white fluorescent glue is (0.35-0.5): (0.05-0.15): (1.5-3.5): (1.5-3.5).
When the warm white fluorescent powder film is prepared, weighing raw materials according to the proportion of yellow fluorescent powder, red fluorescent powder, A glue and B glue in the warm white fluorescent powder film, uniformly mixing, defoaming, pouring the mixed solution into a jig, and sending the jig into an oven for baking to prepare the warm white fluorescent powder film;
when the white phosphor film is prepared, the raw materials are weighed according to the proportion of yellow phosphor, red phosphor, A glue and B glue in the white phosphor film, the raw materials are uniformly mixed, the mixed solution is poured into a jig after defoaming, and the jig is put into an oven to be baked, so that the white phosphor film is prepared.
The preparation method provided by the invention has the advantages of simple process and easiness in manufacturing, and the prepared lighting device has a good using effect.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. The utility model provides a double-colored warm lighting device based on LD, which comprises an outer shell, LD light source and power electric connection, a serial communication port, still include heat sink, activity reflection of light unit and double-colored fluorescence unit, heat sink is installed in casing inboard bottom, double-colored fluorescence unit is installed in the inboard top of casing, the heat sink setting of LD light source laminating, activity reflection of light unit is located between LD light source and the double-colored fluorescence unit, heat sink, LD light source, the center of activity reflection of light unit and double-colored fluorescence unit is located same the central axis.
2. The two-color temperature illumination device according to claim 1, wherein the reflection unit comprises a reflector, a reflector cup and a driving device, the reflector is installed in the light emitting direction of the LD light source, the reflector and the LD light source are located on the same central axis, the reflector cup is arranged around the reflector and is attached to the inner wall of the housing, and the driving device is connected with the reflector.
3. The LD-based two-color warm illumination device according to claim 1, wherein the two-color phosphor unit is provided with a warm white phosphor film and a positive white phosphor film separately provided along the center line.
4. The two-color temperature lighting device based on LD according to claim 3, characterized in that the color temperature of the warm white phosphor film is 2200-3500K, and the color temperature of the positive white phosphor film is 5000-7500K.
5. The LD-based dual color temperature illumination device of claim 1, wherein the light homogenizing plate is located between the movable light reflecting unit and the fluorescent unit and is mounted to the housing.
6. The LD-based bi-color temperature illumination device of claim 1, wherein: the double-color fluorescent lamp also comprises a glass cover, wherein the glass cover is positioned on the outer side of the double-color fluorescent unit and is arranged at the top of the shell.
7. The method for preparing an LD-based two-color temperature illumination device according to any one of claims 1-6, characterized in that: the method comprises the following steps:
the method comprises the following steps: preparing the shell by a machining or injection molding process;
step two: installing a heat sink, welding an LD light source on the heat sink, and tightly attaching the LD light source to the surface of the heat sink;
step three: installing a reflector, and installing the reflector at the central position in the shell;
step four: fitting the reflecting cup to the inner wall of the shell;
step five: installing a light homogenizing plate, a warm white fluorescent powder film and a positive white fluorescent powder film;
step six: and installing the glass cover to obtain the double-color-temperature lighting device.
8. The method of claim 7, wherein the method comprises the following steps:
in the second step, the heat sink is made of any one or more of aluminum nitride, aluminum oxide, silicon carbide, mullite or beryllium oxide, and can be heated by silver colloid and tin paste to be tightly attached to the LD light source;
and step five, the warm white fluorescent powder film and the positive white fluorescent powder film respectively comprise yellow fluorescent powder with the peak wavelength of 520-580nm, red fluorescent powder with the peak wavelength of 600-670nm, glue A and glue B.
9. The method of claim 8, wherein the method comprises the steps of:
the mass ratio of the yellow fluorescent powder to the red fluorescent powder to the glue A to the glue B in the warm white fluorescent powder film is (0.35-0.55): (0.03-0.1): (1.5-3.5): (1.5-3.5);
the mass ratio of the yellow fluorescent powder to the red fluorescent powder to the glue A to the glue B in the positive white fluorescent glue is (0.35-0.5): (0.05-0.15): (1.5-3.5): (1.5-3.5).
10. The method of claim 9, wherein the method comprises the steps of:
when the warm white fluorescent powder film is prepared, weighing raw materials according to the proportion of yellow fluorescent powder, red fluorescent powder, A glue and B glue in the warm white fluorescent powder film, uniformly mixing, defoaming, pouring the mixed solution into a jig, and sending the jig into an oven for baking to prepare the warm white fluorescent powder film;
when the white phosphor film is prepared, the raw materials are weighed according to the proportion of yellow phosphor, red phosphor, A glue and B glue in the white phosphor film, the raw materials are uniformly mixed, the mixed solution is poured into a jig after defoaming, and the jig is put into an oven to be baked, so that the white phosphor film is prepared.
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| CN201910880317.1A CN110594702A (en) | 2019-09-18 | 2019-09-18 | LD-based double-color temperature lighting device and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910880317.1A CN110594702A (en) | 2019-09-18 | 2019-09-18 | LD-based double-color temperature lighting device and preparation method thereof |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102646927A (en) * | 2012-04-11 | 2012-08-22 | 四川马尔斯科技有限责任公司 | Wavelength-tunable external cavity laser based on waveguide reflecting grating array |
| CN108939313A (en) * | 2018-08-08 | 2018-12-07 | 深圳市吉斯迪科技有限公司 | A kind of optical-fiber coupling semiconductor laser skin treating output device that hot spot is variable |
| CN109668112A (en) * | 2019-03-01 | 2019-04-23 | 苏州晶清光电科技有限公司 | A kind of laser lighting lamp |
| CN110047824A (en) * | 2019-04-04 | 2019-07-23 | 深圳市立洋光电子股份有限公司 | Double-colored temperature COB light source and its manufacturing method |
| CN210424890U (en) * | 2019-09-18 | 2020-04-28 | 北京大学东莞光电研究院 | Double-color temperature lighting device based on LD |
-
2019
- 2019-09-18 CN CN201910880317.1A patent/CN110594702A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102646927A (en) * | 2012-04-11 | 2012-08-22 | 四川马尔斯科技有限责任公司 | Wavelength-tunable external cavity laser based on waveguide reflecting grating array |
| CN108939313A (en) * | 2018-08-08 | 2018-12-07 | 深圳市吉斯迪科技有限公司 | A kind of optical-fiber coupling semiconductor laser skin treating output device that hot spot is variable |
| CN109668112A (en) * | 2019-03-01 | 2019-04-23 | 苏州晶清光电科技有限公司 | A kind of laser lighting lamp |
| CN110047824A (en) * | 2019-04-04 | 2019-07-23 | 深圳市立洋光电子股份有限公司 | Double-colored temperature COB light source and its manufacturing method |
| CN210424890U (en) * | 2019-09-18 | 2020-04-28 | 北京大学东莞光电研究院 | Double-color temperature lighting device based on LD |
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