CN110671621A - Angle-adjustable LED lamp with LCP (liquid Crystal Polymer) reflecting cup - Google Patents
Angle-adjustable LED lamp with LCP (liquid Crystal Polymer) reflecting cup Download PDFInfo
- Publication number
- CN110671621A CN110671621A CN201910963743.1A CN201910963743A CN110671621A CN 110671621 A CN110671621 A CN 110671621A CN 201910963743 A CN201910963743 A CN 201910963743A CN 110671621 A CN110671621 A CN 110671621A
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- Prior art keywords
- lamp
- lcp
- lens
- cup
- support
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Classifications
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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
- F21K9/23—Retrofit light sources for lighting devices with a single fitting for each light source, e.g. for substitution of incandescent lamps with bayonet or threaded fittings
- F21K9/235—Details of bases or caps, i.e. the parts that connect the light source to a fitting; Arrangement of components within bases or caps
-
- 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
- F21K9/23—Retrofit light sources for lighting devices with a single fitting for each light source, e.g. for substitution of incandescent lamps with bayonet or threaded fittings
- F21K9/237—Details of housings or cases, i.e. the parts between the light-generating element and the bases; Arrangement of components within housings or cases
-
- 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
- F21K9/23—Retrofit light sources for lighting devices with a single fitting for each light source, e.g. for substitution of incandescent lamps with bayonet or threaded fittings
- F21K9/238—Arrangement or mounting of circuit elements integrated in the light source
-
- 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
- F21K9/68—Details of reflectors forming part of the light source
-
- 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
- F21K9/69—Details of refractors forming part of the light source
-
- 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
- F21V14/06—Controlling the distribution of the light emitted by adjustment of elements by movement of 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
- F21V17/00—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
- F21V17/02—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages with provision for adjustment
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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
- F21Y2115/10—Light-emitting diodes [LED]
Abstract
The invention discloses an angle-adjustable LED lamp with an LCP (liquid Crystal Polymer) reflecting cup, which comprises a lamp bead, a lamp holder and a lamp shade, wherein the lamp bead is arranged on the lamp holder; the lamp bead comprises a copper plate substrate, a bracket, an LED chip, a bonding pad, a reflecting groove and a lens; the lampshade comprises an LCP (liquid Crystal Polymer) reflecting cup and secondary lenses, the secondary lenses are clamped between symmetrical grooves on the inner side wall of the LCP reflecting cup, the number and the positions of the secondary lenses can be flexibly adjusted according to needs, and different angles of lamp beads can be adjusted to adapt to different scenes by the combination of different numbers and positions of the secondary lenses; the invention belongs to the technical field of LED lamps; the utility model particularly provides an utilize the principle of local characteristic, change anti-light cup's structure, combine anti-light cup and secondary lens, combine the principle of anti-light cup plane of reflection refraction and secondary lens's principle, adjust the angle of lamp pearl through quantity and the position that change secondary lens and place, realize that the angle adjustable that adjusts the irradiant luminance of lamp pearl and scope in order to adapt to different illumination scenes has LCP anti-light cup's LED lamp.
Description
Technical Field
The invention relates to the field of LED lamps, in particular to an LED lamp with an LCP (liquid Crystal Polymer) reflecting cup and an adjustable angle.
Background
An LED (light emitting diode) is a common light emitting device, releases energy through electron and hole recombination to emit light, is widely applied in the field of illumination, can efficiently convert electric energy into light energy, and has wide application in modern society, such as illumination, flat panel display, medical devices and the like. The LED is an all-solid luminous body, is impact-resistant and not easy to break, can recycle waste, does not pollute and reduce a large amount of harmful gases such as sulfur dioxide and nitride and greenhouse gases such as carbon dioxide, and can improve the living environment of people, so the LED can be called as a green lighting source. "
The reflecting cup is a reflector which uses a point light source bulb as a light source and needs long-distance light condensation illumination and is generally in a cup shape and commonly called as a reflecting cup, and the illuminating distance and the illuminating area of a main light spot are controlled by a light reflector in order to utilize limited light energy. The reflective cup can be divided into a metal reflective cup, a plastic reflective cup and a glass reflective cup according to the material. The plastic light reflecting cup is finished by one-time demoulding, has poor optics and low cost, has the defects of poor temperature resistance and is commonly used for lamps with low-temperature lighting requirements; the metal reflecting cup needs to be completed by stamping and polishing processes, has the advantages of moderate cost, temperature resistance, small application range and the like, is commonly used in electric flashlights and portable lamps; the glass reflecting cup is finished by one-time demoulding, has high optical precision, no deformation memory and temperature resistance, and has the defects of high cost, fragility and heavy weight. The reflector cup is commonly used in high-quality products which do not need to be moved, such as film projectors, searchlights, locomotive lamps and the like, so that the reflector cup which is high-temperature resistant, low in cost and strong in optical performance is needed.
The application number is CN201620089931.8 an LED lamp with small-angle light control and small-angle anti-glare functions, which comprises a lamp shell with an opening at one end, an LED lamp bead assembled in the lamp shell, a light-transmitting lamp cover assembled at the opening of the lamp shell, a collimating reflector cup for surrounding and arching the LED lamp bead at the center of the bottom of the collimating reflector cup, and an anti-glare light blocking part vertically suspended right above the LED lamp bead and positioned in the collimating reflector cup; the cross section line of the inner wall of the collimation reflection cup is arc-shaped, and the collimation reflection cup is used for reflecting light rays generated by the LED lamp beads through the inner wall of the collimation reflection cup to form direct light beams. The anti-dazzle light blocking piece is used for realizing light concentration, but the angle of light cannot be adjusted, the illumination range is small, and the illumination is uneven.
Application number is CN201721654240.9 a novel LED lamp pearl of EMC support from taking angle control lens, including EMC support and EMC support lamp pearl, form the solid brilliant position of EMC support lamp pearl chip between the EMC reflection light cup cover, the solid brilliant position of EMC support lamp pearl chip is located the top of backward flow pad, a lens is installed at the solid brilliant top of position of EMC support lamp pearl chip, a lens includes bottom lens, middle part lens and top lens, the bottom lens is with the solid top fixed connection of brilliant position of EMC support lamp pearl chip, the top of bottom lens is provided with middle part lens, the top of middle part lens is provided with top lens. The illumination is self-angled through the lens, but the angle cannot be adjusted to adapt to different environmental requirements.
Disclosure of Invention
In order to solve the existing problems, the invention provides an angle-adjustable LED lamp with an LCP (liquid Crystal Polymer) reflecting cup, which utilizes the principle of local characteristics to change the structure of the reflecting cup, combines the reflecting cup with a secondary lens, combines the principle of reflecting surface refraction of the reflecting cup and the principle of the secondary lens, adjusts the angle of lamp beads by changing the number and the position of the secondary lens, and realizes the adjustment of the illumination brightness and the illumination range of the lamp beads to adapt to different illumination scenes; LCP (liquid crystal polymer) is used as a reflector cup made of other materials by utilizing the excellent characteristics of optical performance, thermal stability, heat resistance, chemical resistance, abrasion resistance, radiation resistance, flame retardance and insulation of the LCP.
The technical scheme adopted by the invention is as follows: an angle-adjustable LED lamp with an LCP (liquid Crystal display) reflecting cup comprises a lamp bead, a lamp holder and a lamp shade, wherein the lamp holder is arranged in a hollow cavity, a first through hole is formed in the upper end face of the lamp holder, the lamp bead is arranged below the first through hole in the lamp holder, the lamp shade is arranged on the lamp holder, and a second through hole corresponding to the first through hole is formed in the bottom of the lamp shade;
the lamp bead comprises a copper plate substrate, a support, an LED chip, a bonding pad, a reflecting groove and a lens, wherein the copper plate substrate is arranged in a lamp holder, the support is arranged on the copper plate substrate, the support is provided with an inverted trapezoidal groove to form the reflecting groove, the LED chip is arranged in the reflecting groove, the lens is arranged on the support, and the bonding pad is arranged at two ends of the reflecting groove;
the lamp shade includes LCP reflection of light cup and secondary lens, LCP reflection of light cup is located on the lamp holder, even symmetry is arranged on LCP reflection of light cup's the lateral wall and is equipped with a plurality of recesses, the secondary lens block is located between the recess of symmetry, the secondary lens layering sets up between the recess of symmetry, and the quantity and the position of the adjustment secondary lens that can be nimble as required, the combination of different secondary lens quantity and position can adjust the different angle of lamp pearl, adapts to different scenes.
Further, lens are silica gel lens, and the lens that is close to the LED chip needs high temperature resistant lamp characteristic, and silica gel lens can be better be applicable to encapsulation lens.
Further, secondary lens is a plurality of, secondary lens can dismantle and locate LCP anti-light cup in, lens are oval, be equipped with the honeycomb array on secondary lens's the plain noodles, can make the light-emitting more even, increase the angle of light-emitting.
Furthermore, a radiator is arranged between the LED chip and the support, and the radiator is arranged in front of the lamp bead and the lamp support, so that the temperature in the lamp bead is reduced, and the service life is prolonged.
Furthermore, the lampshade and the lamp support are connected through threads, and the number and the positions of the secondary lenses are conveniently adjusted through the lampshade and the lamp support which are connected through the threads.
Further, be equipped with the silica gel gasket between lamp support and the lamp pearl, the LED lamp has the absorbing effect when the collision lamp vibrations.
Further, the copper plate substrate is 0.65mm in length, 0.40mm in width, 0.13mm in height, the thickness of the LED chip is 0.16mm, and the positive tolerance of the LED chip is 0.002 mm.
After adopting the structure, the invention has the following beneficial effects: according to the LED lamp with the LCP reflecting cup, the used LCP reflecting cup has excellent optical performance, thermal stability, insulativity, flame retardance and the like, so that the lampshade has excellent use experience and longer service life, is safe and nontoxic, and is very suitable for long-term use; the installation mode of the secondary lens and the lamp beads is changed by combining the principle of small-sized lamp bead structures and local characteristics, the number of the secondary lenses and the position relation between the secondary lenses and the LCP reflecting cup are adjusted, the distance and the angle between the secondary lenses and the lamp beads are adjusted by utilizing the principle of LCP reflecting cup refraction and the principle of secondary lenses changing illumination angles, and the illumination range and the illumination intensity of the lamp beads are changed according to the adjustment, so that the lamp beads are adaptive to different scenes, and the use range is increased; in addition, the LCP reflecting cup and the secondary lens are combined for use, so that the uniformity of illumination is improved, and the comprehensiveness of angle adjustment is improved.
Drawings
FIG. 1 is a schematic diagram of an overall structure of an angularly adjustable LED lamp with LCP reflector cups according to the present invention;
FIG. 2 is a schematic structural diagram of an angularly adjustable LED lamp bead with LCP reflector cups according to the present invention.
Wherein, 1, lamp pearl, 2, lamp holder, 3, lamp shade, 4, copper base plate, 5, support, 6, LED chip, 7, pad, 8, reflecting groove, 9, lens, 10, LCP reflection of light cup, 11, secondary lens.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1-2, an angle-adjustable LED lamp with an LCP reflective cup includes a lamp bead 1, a lamp holder 2, and a lamp shade 3, where the lamp holder 2 is a hollow cavity, a first through hole is formed on an upper end surface of the lamp holder 2, the lamp bead 1 is disposed below the first through hole in the lamp holder, the lamp shade 3 is disposed on the lamp holder 2, and a second through hole corresponding to the first through hole is formed at the bottom of the lamp shade 3;
the lamp bead 1 comprises a copper plate substrate 4, a support 5, an LED chip 6, a bonding pad 7, a reflecting groove 8 and a lens 9, wherein the copper plate substrate 4 is arranged in a lamp holder 2, the support 5 is arranged on the copper plate substrate 4, the support 5 is provided with an inverted trapezoidal groove to form the reflecting groove 8, the LED chip 6 is arranged in the reflecting groove 8, the lens 9 is arranged on the support 5, and the bonding pad 7 is arranged at two ends of the reflecting groove 8;
the lamp shade 3 includes LCP reflection of light cup 10 and secondary lens 11, LCP reflection of light cup 10 is located on the lamp holder 2, even symmetry is arranged on the lateral wall of LCP reflection of light cup 10 and is equipped with a plurality of recesses, secondary lens 11 block is located between the recess of symmetry, secondary lens 11 layering sets up between the recess of symmetry, the quantity and the position of adjustment secondary lens 11 that can be nimble as required, the combination of the 11 quantity of secondary lens and the position of difference, can adjust the angle that lamp pearl 1 is different, adapt to different scenes.
The lens 9 is a silica gel lens, and the lens close to the LED chip needs the characteristic of a high-temperature resistant lamp, so that the silica gel lens can be better suitable for packaging the lens; the secondary lenses 11 are a plurality of, the secondary lenses 11 are detachably arranged in the LCP reflecting cup 10, the secondary lenses 11 are elliptic, and the honeycomb array is arranged on the smooth surfaces of the secondary lenses 11, so that light emitting is more uniform, and the light emitting angle is increased; a radiator is arranged between the LED chip 6 and the bracket 5, and the radiator is arranged in front of the lamp bead 1 and the lamp holder 2, so that the temperature in the lamp bead 1 is reduced, and the service life is prolonged; the lampshade 3 is connected with the lamp holder 2 through threads, and the number and the position of the secondary lens 11 can be conveniently adjusted through the lampshade 3 and the lamp holder 2 which are connected through the threads; a silica gel gasket is arranged between the lamp holder 2 and the lamp bead 1, and the LED lamp has a damping effect when the lamp vibrates in a collision manner; the length of copper base plate is 0.65mm, and the width is 0.40mm, and highly is 0.13mm, and the thickness of LED chip is 0.16mm, and the positive tolerance of LED chip is 0.002mm, and its and secondary lens 11 angle of better regulation of small-size lamp pearl 1.
During the specific use, with lamp shade 3 and the separation of lamp support 2, with secondary lens 11 block to LCP reflection of light cup 10 in, according to the environment needs of difference, adjust the quantity and the position of secondary lens 11, adjust the distance of secondary lens 11 and lamp pearl 1, change irradiant intensity and luminance, after adjusting the angle, with lamp shade 3 and the 2 threaded connection of lamp support.
The present invention and its embodiments have been described above, and the description is not intended to be limiting, and the drawings are only one embodiment of the present invention, and the actual structure is not limited thereto. In summary, those skilled in the art should appreciate that they can readily use the disclosed conception and specific embodiments as a basis for designing or modifying other structures for carrying out the same purposes of the present invention without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (7)
1. The utility model provides an angularly adjustable has LED lamp of LCP reflection of light cup which characterized in that: the lamp holder is a hollow cavity, a first through hole is formed in the upper end face of the lamp holder, the lamp bead is arranged below the first through hole in the lamp holder, the lamp shade is arranged on the lamp holder, and a second through hole corresponding to the first through hole is formed in the bottom of the lamp shade;
the lamp bead comprises a copper plate substrate, a support, an LED chip, a bonding pad, a reflecting groove and a lens, wherein the copper plate substrate is arranged in a lamp holder, the support is arranged on the copper plate substrate, the support is provided with an inverted trapezoidal groove to form the reflecting groove, the LED chip is arranged in the reflecting groove, the lens is arranged on the support, and the bonding pad is arranged at two ends of the reflecting groove;
the lamp shade includes LCP reflection of light cup and secondary lens, LCP reflection of light cup is located on the lamp holder, even symmetry is arranged on LCP reflection of light cup's the lateral wall and is equipped with a plurality of recesses, the secondary lens block is located between the recess of symmetry, the secondary lens layering sets up between the recess of symmetry.
2. The angularly adjustable LED lamp with LCP reflector cup of claim 1, wherein: the lens is a silica gel lens.
3. The angularly adjustable LED lamp with LCP reflector cup of claim 1, wherein: the secondary lens is a plurality of, the secondary lens can be dismantled and locate lcp anti-light cup in, the lens is the ellipse, be equipped with the honeycomb array on the plain noodles of secondary lens.
4. The angularly adjustable LED lamp with LCP reflector cup of claim 1, wherein: a radiator is arranged between the LED chip and the support, and a radiator is arranged in front of the lamp bead and the lamp support.
5. The angularly adjustable LED lamp with LCP reflector cup of claim 1, wherein: the lampshade is connected with the lamp holder through threads.
6. The angularly adjustable LED lamp with LCP reflector cup of claim 1, wherein: and a silica gel gasket is arranged between the lamp holder and the lamp bead.
7. The angularly adjustable LED lamp with LCP reflector cup of claim 1, wherein: the length of copper base plate is 0.65mm, and the width is 0.40mm, and highly is 0.13mm, the thickness of LED chip is 0.16mm, the positive tolerance of LED chip thickness is 0.002 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910963743.1A CN110671621A (en) | 2019-10-11 | 2019-10-11 | Angle-adjustable LED lamp with LCP (liquid Crystal Polymer) reflecting cup |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910963743.1A CN110671621A (en) | 2019-10-11 | 2019-10-11 | Angle-adjustable LED lamp with LCP (liquid Crystal Polymer) reflecting cup |
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| Publication Number | Publication Date |
|---|---|
| CN110671621A true CN110671621A (en) | 2020-01-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910963743.1A Pending CN110671621A (en) | 2019-10-11 | 2019-10-11 | Angle-adjustable LED lamp with LCP (liquid Crystal Polymer) reflecting cup |
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| CN208967595U (en) * | 2018-11-05 | 2019-06-11 | 深圳市金源世纪科技有限公司 | It is a kind of to pass through the LED lamp of change Focussing light-emitting angle |
| CN209354986U (en) * | 2019-03-26 | 2019-09-06 | 苏州典创电子科技有限公司 | A kind of light-gathering LED particle component |
| CN110260172A (en) * | 2019-06-26 | 2019-09-20 | 广东凯西欧光健康有限公司 | A kind of variable focus lens package and zoom lamps and lanterns |
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2019
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Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010147059A (en) * | 2008-12-16 | 2010-07-01 | Kyodo Denshi:Kk | Led lighting device |
| CN103562287A (en) * | 2011-04-14 | 2014-02-05 | 提克纳有限责任公司 | Molded reflectors for light-emitting diode assemblies |
| CN203165893U (en) * | 2013-03-21 | 2013-08-28 | 华南理工大学 | RGB (Red Green Blue) tri-color LED (Light-Emitting Diode) packaging structure |
| CN104315460A (en) * | 2014-09-19 | 2015-01-28 | 东莞雅士电子有限公司 | Centralized lamp with adjustable light emitting angle |
| CN204647910U (en) * | 2015-04-29 | 2015-09-16 | 吴玉霞 | Light emitting diode illuminating apparatus |
| CN205424739U (en) * | 2016-03-14 | 2016-08-03 | 张晓丹 | Refraction becomes light LED car light |
| CN106979502A (en) * | 2016-08-31 | 2017-07-25 | 厦门益光照明科技股份有限公司 | A kind of LED illumination lamp of formal dress or upside-down mounting lens |
| CN208967595U (en) * | 2018-11-05 | 2019-06-11 | 深圳市金源世纪科技有限公司 | It is a kind of to pass through the LED lamp of change Focussing light-emitting angle |
| CN209354986U (en) * | 2019-03-26 | 2019-09-06 | 苏州典创电子科技有限公司 | A kind of light-gathering LED particle component |
| CN110260172A (en) * | 2019-06-26 | 2019-09-20 | 广东凯西欧光健康有限公司 | A kind of variable focus lens package and zoom lamps and lanterns |
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Application publication date: 20200110 |
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