CN108087755B - High-efficiency stroboflash-free low-glare eye-protection lamp - Google Patents
High-efficiency stroboflash-free low-glare eye-protection lamp Download PDFInfo
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- CN108087755B CN108087755B CN201711492742.0A CN201711492742A CN108087755B CN 108087755 B CN108087755 B CN 108087755B CN 201711492742 A CN201711492742 A CN 201711492742A CN 108087755 B CN108087755 B CN 108087755B
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- 230000005669 field effect Effects 0.000 claims abstract description 24
- 238000009792 diffusion process Methods 0.000 claims abstract description 19
- 230000004313 glare Effects 0.000 claims abstract description 14
- 239000013078 crystal Substances 0.000 claims abstract description 9
- 238000010521 absorption reaction Methods 0.000 claims abstract description 7
- 241000258971 Brachiopoda Species 0.000 claims abstract description 6
- 230000000149 penetrating effect Effects 0.000 claims description 9
- 239000003990 capacitor Substances 0.000 claims description 4
- 238000001914 filtration Methods 0.000 claims description 3
- 230000000903 blocking effect Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 description 8
- 238000011161 development Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000001939 inductive effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S6/00—Lighting devices intended to be free-standing
- F21S6/002—Table lamps, e.g. for ambient lighting
-
- 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
- F21V14/00—Controlling the distribution of the light emitted by adjustment of elements
- F21V14/02—Controlling the distribution of the light emitted by adjustment of elements by movement of light sources
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V23/00—Arrangement of electric circuit elements in or on lighting devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V23/00—Arrangement of electric circuit elements in or on lighting devices
- F21V23/003—Arrangement 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
-
- 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
- F21V5/00—Refractors for light sources
- F21V5/08—Refractors for light sources producing an asymmetric light distribution
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
- H05B45/30—Driver circuits
- H05B45/37—Converter circuits
-
- 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
- F21Y2115/10—Light-emitting diodes [LED]
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Fastening Of Light Sources Or Lamp Holders (AREA)
Abstract
The invention discloses a high-efficiency stroboflash-free low-glare eye-protection lamp, which comprises a circuit board, a lamp holder and a lamp cap, wherein the lamp cap comprises an inner lamp plate connected with the lamp holder, a lamp post arranged on the inner lamp plate and a lamp shell in threaded connection with the inner lamp plate; the lamp housing is provided with a diffusion plate which is a crystal edge plate; the inner lamp panel is in threaded connection with the lamp shell and is used for controlling the distance between the lamp post and the diffusion plate; the control circuit of the circuit board is electrically connected with the lamp post, and comprises a transformer T2, a primary circuit and a chopper circuit, wherein the primary circuit and the chopper circuit are respectively connected with the primary end and the secondary end of the transformer T2; the chopper circuit comprises a first rectifying diode D1, a second rectifying diode D2, a field effect transistor GB1 and a secondary absorption resistor RB1. The stroboscopic and glare of the eye-protecting lamp are effectively eliminated. The primary circuit adopts a chip RED2541, and the power supply is utilized efficiently.
Description
Technical Field
The invention relates to a lamp, in particular to a high-efficiency stroboflash-free low-glare eye-protection lamp.
Background
As the market penetration of LED desk lamps increases year by year, many lamp manufacturers have focused new product research and development on LED desk lamp products. As a new technology, LED desk lamps have LED to the development of various technologies related to the LED desk lamps, and various unexpected problems are gradually generated in the development:
the existing products on the market have low efficiency, stroboscopic effect or false stroboscopic effect, low glare index and blue light dazzling effect. Many products function variously, but neglect the performance of LED desk lamp itself, do not accomplish the protection eyes. Many products do not conform to reality, some flash themselves; some are high frequency flicker, not perceived by the human eye, but harmful to the eye. Meanwhile, the glare index is very high, and part of products can carry blue light. Aiming at stroboscopic, glare and blue light of a lamp source, consumers cannot test the lamp, and eyes are still injured by the LED desk lamp.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention aims to provide the high-efficiency stroboflash-free low-glare eye-protection lamp, realize the stroboflash-free eye-protection lamp and reduce the glare of the eye-protection lamp.
The invention adopts the technical proposal for solving the technical problems that:
the utility model provides a high efficiency does not have stroboscopic low glare eye-protection lamp, includes circuit board, lighting fixture and the lamp holder of being connected with the lighting fixture, the lamp holder includes the interior lamp plate that is connected with the lighting fixture, sets up the lamp pole on the interior lamp plate and the lamp body of being connected with interior lamp plate screw thread; the lamp shell is provided with a diffusion plate, and the diffusion plate is a crystal prism plate; the inner lamp panel is in threaded connection with the lamp shell and is used for controlling the distance between the lamp post and the diffusion plate;
the control circuit of the circuit board is electrically connected with the lamp post, and comprises a transformer T2, a primary circuit and a chopper circuit, wherein the primary circuit and the chopper circuit are respectively connected with the primary end and the secondary end of the transformer T2; the chopper circuit comprises a first rectifying diode D1, a second rectifying diode D2, a field effect transistor GB1 and a secondary absorption resistor RB1;
the secondary coil of the transformer T2 comprises a first secondary coil and a second secondary coil which are connected; the homonymous end of the first secondary coil and the heteronymous end of the second secondary coil are respectively connected with the positive output end of the chopper circuit through a first rectifying diode D1 and a second rectifying diode D2;
the positive electrode output end of the chopper circuit is connected with the source electrode of the field effect transistor GB 1; the connection nodes of the first secondary coil synonym end and the second secondary coil homonym end are connected with the grid electrode of the field effect tube GB1, and the drain electrode of the field effect tube GB1 is connected with the grid electrode of the field effect tube GB1 and the negative electrode output end of the chopper circuit through a capacitor Cout;
two ends of the secondary absorption resistor RB1 are respectively connected with a source electrode and a drain electrode of the field effect transistor GB1.
According to another specific embodiment of the invention, the lamp housing is further provided with a clamping groove, the lamp holder is hinged with a clamping piece, and the clamping piece is buckled with the clamping groove to prevent the lamp housing from rotating relative to the inner lamp panel.
According to another embodiment of the invention, the lamp further comprises a front end cover penetrating into the lamp housing, and the part of the front end cover penetrating into the lamp housing is in threaded connection with the lamp housing.
According to another specific embodiment of the invention, the inner lamp panel is connected with a pressing plate, and the pressing of the pressing plate to the lamp post is used for installing the lamp post.
According to another embodiment of the invention, the lamp post further comprises a light guide plate, wherein the light guide plate is connected with the upper end of the lamp post.
According to another embodiment of the present invention, further, the drain and the source of the field effect transistor GB1 are connected to the anode and the cathode of the diode D11, respectively.
According to another specific embodiment of the invention, the lamp holder is a multi-joint link member, the lamp holder is provided with a mounting clamp, and one end of the lamp holder, which is far away from the mounting clamp, is connected with the lamp holder in a penetrating manner.
According to another embodiment of the present invention, the primary circuit further includes a driving chip RED2541, a transformer T1 for connecting a high voltage signal, and a rectifying and filtering circuit with two ends connected to the secondary side of the transformer T1 and the primary side of the transformer T2, respectively, where the driving chip RED2541 is connected to the transformers T1 and T2.
The high-efficiency stroboflash-free low-glare eye-protection lamp has the following beneficial effects: the stroboscopic effect of the eye-protecting lamp is eliminated through the arrangement of the chopper circuit, and the glare of the eye-protecting lamp is eliminated through the design of the diffusion plate and the adjustable distance between the diffusion plate and the lamp post; the eye protection effect is achieved by eliminating stroboscopic and glare.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic view of the structure of the lamp cap of the present invention;
FIG. 3 is an exploded view of the burner of the present invention;
fig. 4 is a schematic circuit diagram of the present invention.
Detailed Description
The following describes the embodiments of the present invention in further detail with reference to the drawings.
As shown in fig. 1 to 4, a high-efficiency, stroboflash-free and low-glare eye-protection lamp comprises a circuit board, a lamp holder 1 and a lamp holder 2 connected with the lamp holder 1, wherein the lamp holder 2 comprises an inner lamp panel 21 connected with the lamp holder 1, a lamp post 22 arranged on the inner lamp panel 21 and a lamp shell 23 in threaded connection with the inner lamp panel 21; the lamp housing 23 is provided with a diffusion plate 24, and the diffusion plate 24 is a crystal prism plate; the threaded connection of the inner lamp panel 21 and the lamp housing 23 is used for controlling the distance between the lamp post 22 and the diffusion plate 24. The circuit board is arranged on the lamp cap 2 or the lamp holder 1.
The control circuit of the circuit board is electrically connected with the lamp post 22, and comprises a transformer T2, a primary circuit 42 and a chopper circuit 41, wherein the primary end and the secondary end of the transformer T2 are respectively connected with the primary circuit 42 and the chopper circuit 41; the chopper circuit 41 includes a first rectifying diode D1, a second rectifying diode D2, a field effect transistor GB1, and a secondary absorption resistor RB1.
The secondary coil of the transformer T2 comprises a first secondary coil and a second secondary coil which are connected; the same-name end of the first secondary coil and the different-name end of the second secondary coil are respectively connected with the positive output end of the chopper circuit 41 through the first rectifying diode D1 and the second rectifying diode D2. The positive electrode output end of the chopper circuit 41 is connected with the source electrode of the field effect transistor GB 1; the connection nodes of the first secondary coil synonym end and the second secondary coil homonym end are connected with the grid electrode of the field effect tube GB1, and the drain electrode of the field effect tube GB1 is connected with the grid electrode of the field effect tube GB1 and the negative electrode output end of the chopper circuit 41 through a capacitor Cout.
The same-name end of the first secondary coil and the different-name end of the second secondary coil are respectively connected with a first rectifying diode D1 and a second rectifying diode D2, and the first rectifying diode D1 and the second rectifying diode D2 respectively rectify a positive half-cycle waveform and a negative half-cycle waveform of the output voltage of the secondary coil of the transformer T2, so that full-wave rectification of the output voltage of the secondary coil of the transformer T2 is realized.
The field effect transistor GB1, the capacitor Cout and an external circuit are arranged to absorb and chop peak waves, so that the output waveform becomes smoother. Preferably, the drain electrode and the source electrode of the field effect transistor GB1 are respectively connected with the anode and the cathode of the diode D11, when an inductive load is connected between the source electrode and the drain electrode, the inductive current cannot be suddenly changed when the tube is cut off, and the diode D11 can play a role in freewheeling so as to prevent the high voltage from puncturing the field effect transistor GB1.
Two ends of the secondary absorption resistor RB1 are respectively connected with a source electrode and a drain electrode of the field effect transistor GB1. The waveform is absorbed by the resistor RB1 for the second time, and no sawtooth wave or spike wave exists in the output, so that the eye-protection working lamp really realizes no stroboscopic effect.
The primary circuit 42 includes a driving chip RED2541, a transformer T1 for connecting a high voltage signal, and a rectifying and filtering circuit with two ends connected to the secondary side of the transformer T1 and the primary side of the transformer T2, where the driving chip RED2541 is connected to the transformers T1 and T2. The application of the driving chip RED2541 enables the power efficiency to reach 90%.
The diffusion plate 24 is a crystal edge plate; the crystal edge plate is like countless crystals, and the crystals have a plurality of edges, so that after light is emitted to the diffusion plate 24 through the light guide plate, the light is reflected and refracted on the diffusion plate 24 through countless points, and the purposes of softness and no glare are achieved. Meanwhile, the threaded connection of the inner lamp panel 21 and the lamp housing 23 is used for controlling the distance between the lamp post 22 and the diffusion plate 24; by adjusting the distance between the lamp post 22 and the diffusion plate 24, the reflection and refraction effects of the crystal prism plate are effectively exerted, and the glare-free effect of the eye-protection lamp is effectively realized.
The lamp housing 23 is provided with a clamping groove, the lamp holder 1 is hinged with a clamping piece, and the clamping piece is buckled with the clamping groove and used for blocking the lamp housing 23 from rotating relative to the inner lamp panel 21. The clamping groove and the clamping piece are used for preventing the distance between the lamp housing 23 and the inner lamp panel 21 from being changed along with use. The inner lamp panel 21 is connected with a pressing plate 26, and the pressing of the pressing plate 26 to the lamp post 22 is used for installing the lamp post 22.
And further comprises a front end cover 25 penetrating into the lamp housing 23, wherein the part of the front end cover 25 penetrating into the lamp housing 23 is in threaded connection with the lamp housing 23. The lamp housing 23 is provided with a step for mounting the diffusion plate 24, which step is provided with a screw thread for mounting the front cover 25. The lamp post 22 is connected with the upper end of the lamp post; the U.S. chip RED2541 is used for driving, the chip has high efficiency, the power efficiency reaches 90%, and the light guide plate with high light guide index of 95% is used for realizing 120LM/W. The lamp housing 23 is connected with a rear end cover 27, and the rear end cover 27 is sleeved with the lamp holder 1.
The lamp holder 1 is a multi-joint link member, the lamp holder 1 is provided with a mounting clamp 5, and one end, far away from the mounting clamp 5, of the lamp holder 1 is connected with the lamp holder 2 in a penetrating manner.
The above embodiments are only for illustrating the technical solution of the present invention and not for limiting the same, and any modifications or equivalent substitutions without departing from the spirit and scope of the present invention should be covered in the scope of the technical solution of the present invention.
Claims (5)
1. The utility model provides a high efficiency does not have stroboscopic low glare eye-protection lamp which characterized in that: the lamp comprises a circuit board, a lamp holder (1) and a lamp cap (2) connected with the lamp holder (1), wherein the lamp cap (2) comprises an inner lamp panel (21) connected with the lamp holder (1), a lamp post (22) arranged on the inner lamp panel (21) and a lamp shell (23) in threaded connection with the inner lamp panel (21); the lamp housing (23) is provided with a diffusion plate (24), and the diffusion plate (24) is a crystal prism plate; the inner lamp panel (21) is in threaded connection with the lamp housing (23) and is used for controlling the distance between the lamp post (22) and the diffusion plate (24);
the control circuit of the circuit board is electrically connected with the lamp post (22), and comprises a transformer T2, a primary circuit (42) and a chopper circuit (41), wherein the primary end and the secondary end of the transformer T2 are respectively connected with the primary circuit; the chopper circuit (41) comprises a first rectifying diode D1, a second rectifying diode D2, a field effect transistor GB1 and a secondary absorption resistor RB1;
the secondary coil of the transformer T2 comprises a first secondary coil and a second secondary coil which are connected; the same-name end of the first secondary coil and the different-name end of the second secondary coil are respectively connected with the positive electrode output end of the chopper circuit (41) through a first rectifying diode D1 and a second rectifying diode D2;
the output end of the positive electrode of the chopper circuit (41) is connected with the source electrode of the field effect transistor GB 1; the connection nodes of the first secondary coil synonym end and the second secondary coil homonym end are connected with the grid electrode of the field effect tube GB1, and the drain electrode of the field effect tube GB1 is connected with the grid electrode of the field effect tube GB1 and the negative electrode output end of the chopper circuit (41) through a capacitor Cout;
two ends of the secondary absorption resistor RB1 are respectively connected with a source electrode and a drain electrode of the field effect transistor GB 1;
the lamp housing (23) is provided with a clamping groove, the lamp holder (1) is hinged with a clamping piece, and the clamping piece is buckled with the clamping groove and used for blocking the lamp housing (23) from rotating relative to the inner lamp panel (21);
the drain electrode and the source electrode of the field effect transistor GB1 are respectively connected with the anode and the cathode of the diode D11;
the primary circuit (42) comprises a driving chip RED2541, a transformer T1 for connecting high-voltage signals, and a rectifying and filtering circuit with two ends respectively connected with the secondary end of the transformer T1 and the primary end of the transformer T2, wherein the driving chip RED2541 is connected with the transformer T1 and the transformer T2.
2. A high efficiency, strobe-free, low glare eye-shield lamp in accordance with claim 1, wherein: the novel lamp further comprises a front end cover (25) which is connected in the lamp housing (23) in a penetrating way, and the part of the front end cover (25) which is connected in the lamp housing (23) in a penetrating way is connected with the lamp housing (23) in a threaded way.
3. A high efficiency, strobe-free, low glare eye-shield lamp in accordance with claim 1, wherein: the inner lamp panel (21) is connected with the pressing plate (26), and the pressing of the pressing plate (26) to the lamp post (22) is used for installing the lamp post (22).
4. A high efficiency, strobe-free, low glare eye-shield lamp in accordance with claim 1, wherein: the lamp post also comprises a light guide plate, and the light guide plate is connected with the upper end of the lamp post (22).
5. A high efficiency, strobe-free, low glare eye-shield lamp in accordance with claim 1, wherein: the lamp holder (1) is a multi-joint link member, the lamp holder (1) is provided with a mounting clamp (5), and one end, far away from the mounting clamp (5), of the lamp holder (1) is connected with the lamp cap (2) in a penetrating way.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711492742.0A CN108087755B (en) | 2017-12-30 | 2017-12-30 | High-efficiency stroboflash-free low-glare eye-protection lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711492742.0A CN108087755B (en) | 2017-12-30 | 2017-12-30 | High-efficiency stroboflash-free low-glare eye-protection lamp |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108087755A CN108087755A (en) | 2018-05-29 |
| CN108087755B true CN108087755B (en) | 2024-03-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711492742.0A Active CN108087755B (en) | 2017-12-30 | 2017-12-30 | High-efficiency stroboflash-free low-glare eye-protection lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108087755B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1160877A (en) * | 1995-09-22 | 1997-10-01 | 日本保护装置销售公司 | Uninterruptive switching regulator |
| CN101071985A (en) * | 2006-05-08 | 2007-11-14 | 林福泳 | Single-stage high-power factor DC power supply |
| CN203057605U (en) * | 2012-11-29 | 2013-07-10 | 东莞市瑞盎电子科技有限公司 | Low stroboflash driving circuit and LED lamp employing low stroboflash driving circuit |
| JP2013219921A (en) * | 2012-04-09 | 2013-10-24 | Mitsubishi Electric Corp | Dc power supply device |
| CN204615656U (en) * | 2015-05-28 | 2015-09-02 | 西安科技大学 | A kind of Adjustable switch power supply |
| CN205606415U (en) * | 2016-04-27 | 2016-09-28 | 上海祥羚光电科技发展有限公司 | Low novel LED down lamp of blue light |
| CN106090666A (en) * | 2016-08-03 | 2016-11-09 | 珠海商照光电科技有限公司 | A kind of plant lamp |
| CN207716165U (en) * | 2017-12-30 | 2018-08-10 | 珠海商照光电科技有限公司 | A kind of high efficiency is without the low dazzle eye-protecting lamp of stroboscopic |
-
2017
- 2017-12-30 CN CN201711492742.0A patent/CN108087755B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1160877A (en) * | 1995-09-22 | 1997-10-01 | 日本保护装置销售公司 | Uninterruptive switching regulator |
| CN101071985A (en) * | 2006-05-08 | 2007-11-14 | 林福泳 | Single-stage high-power factor DC power supply |
| JP2013219921A (en) * | 2012-04-09 | 2013-10-24 | Mitsubishi Electric Corp | Dc power supply device |
| CN203057605U (en) * | 2012-11-29 | 2013-07-10 | 东莞市瑞盎电子科技有限公司 | Low stroboflash driving circuit and LED lamp employing low stroboflash driving circuit |
| CN204615656U (en) * | 2015-05-28 | 2015-09-02 | 西安科技大学 | A kind of Adjustable switch power supply |
| CN205606415U (en) * | 2016-04-27 | 2016-09-28 | 上海祥羚光电科技发展有限公司 | Low novel LED down lamp of blue light |
| CN106090666A (en) * | 2016-08-03 | 2016-11-09 | 珠海商照光电科技有限公司 | A kind of plant lamp |
| CN207716165U (en) * | 2017-12-30 | 2018-08-10 | 珠海商照光电科技有限公司 | A kind of high efficiency is without the low dazzle eye-protecting lamp of stroboscopic |
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| Publication number | Publication date |
|---|---|
| CN108087755A (en) | 2018-05-29 |
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