CN110518109B - Optical lens assembly - Google Patents
Optical lens assembly Download PDFInfo
- Publication number
- CN110518109B CN110518109B CN201910698612.5A CN201910698612A CN110518109B CN 110518109 B CN110518109 B CN 110518109B CN 201910698612 A CN201910698612 A CN 201910698612A CN 110518109 B CN110518109 B CN 110518109B
- Authority
- CN
- China
- Prior art keywords
- tir
- sapphire
- optical lens
- lens assembly
- lens
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 230000003287 optical effect Effects 0.000 title claims abstract description 30
- 238000009434 installation Methods 0.000 claims abstract description 9
- 229910052594 sapphire Inorganic materials 0.000 claims description 39
- 239000010980 sapphire Substances 0.000 claims description 39
- 239000000843 powder Substances 0.000 claims description 29
- 239000011521 glass Substances 0.000 claims description 8
- 238000007789 sealing Methods 0.000 claims description 4
- 238000005245 sintering Methods 0.000 claims description 4
- 108010043121 Green Fluorescent Proteins Proteins 0.000 claims description 3
- 239000003086 colorant Substances 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 3
- 230000009286 beneficial effect Effects 0.000 claims description 2
- 239000000919 ceramic Substances 0.000 claims description 2
- PMHQVHHXPFUNSP-UHFFFAOYSA-M copper(1+);methylsulfanylmethane;bromide Chemical compound Br[Cu].CSC PMHQVHHXPFUNSP-UHFFFAOYSA-M 0.000 claims description 2
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 10
- 230000008859 change Effects 0.000 abstract description 4
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 9
- 238000005192 partition Methods 0.000 description 4
- 230000004308 accommodation Effects 0.000 description 2
- 239000006185 dispersion Substances 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000001795 light effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
Classifications
-
- 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
-
- 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
- F21V17/00—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
- F21V17/10—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L33/00—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L33/48—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor body packages
- H01L33/483—Containers
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L33/00—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L33/48—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor body packages
- H01L33/58—Optical field-shaping elements
-
- 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)
- Microelectronics & Electronic Packaging (AREA)
- General Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Computer Hardware Design (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Led Device Packages (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
The invention discloses an optical lens assembly, which comprises a fly-eye lens and a TIR lens group which are integrally formed, wherein the TIR lens group is in a ring shape and is arranged around the periphery of the fly-eye lens, the TIR lens group comprises at least two TIR toothed ring units which are arranged in a sleeved mode from outside to inside, the at least two TIR toothed ring units are gradually sunk from outside to inside, and the area surrounded by the toothed ring of the TIR toothed ring unit on the outermost layer is a light source installation accommodating area. The TIR lens group has the light treatment effects of good light uniformity and high light efficiency, can be suitable for various LED light sources, and can flexibly change the design so as to widen the application and improve the practicability.
Description
Technical Field
The invention relates to the field of lens assemblies for lamps, in particular to an optical lens assembly.
Background
In order to achieve the most uniform light spot illuminance, the LED lamp generally configures related secondary optics in the light emitting direction of the light source to collect and process light. Among the most commonly used secondary optics are reflector cups and TIR lenses. Compared with a reflecting cup, the effect of the lens is generally free of auxiliary light spots, the light shape is attractive, and the light emitting efficiency is high due to the fact that the TIR design is adopted. Along with the wide application of the TIR lens in the LED lamp, the conventional TIR lens has differences in light effect treatment exerted by facing different light sources, and particularly has defects in treatment of the uniformity of light spots of a high-power LED light source.
Disclosure of Invention
The invention aims to provide an optical lens assembly which has the light treatment effects of good light uniformity and high light efficiency, can be suitable for various LED light sources, and can flexibly change the design of a TIR lens assembly so as to widen the application and improve the practicability.
In order to achieve the above object, the solution of the present invention is:
The utility model provides an optical lens assembly, includes integrated into one piece's fly's eye lens and TIR lens group, and TIR lens group is the annular body and sets up round the fly's eye lens periphery, and TIR lens group includes at least two sets of TIR ring gear units that inside and outside overlap the setting, and this at least two sets of TIR ring gear units are gradually the subsidence setting from outside to inside, and the regional light source installation accommodation area that is surrounded by its ring gear of outermost layer TIR ring gear unit.
The TIR toothed ring units are composed of cylindrical inner faces and conical outer faces, and the taper of each conical outer face of at least two groups of TIR toothed ring units is the same.
The optical lens assembly further comprises a lens housing, and the lens housing is integrally formed around the periphery of the TIR lens group.
And the lens shell seat is provided with a mounting hole which is beneficial to the installation of the optical lens component.
And a sealing ring is further arranged on the lens shell seat.
The optical lens component further comprises a sapphire fluorescent body, wherein the sapphire fluorescent body is formed by sintering glass powder and fluorescent powder on the sapphire, and the position of the fluorescent powder and the glass powder formed on the sapphire by sintering is that the surface of the sapphire corresponding to the side opposite to the luminous body in application of the optical lens component.
The fluorescent powder is any one of red fluorescent powder, green fluorescent powder and yellow fluorescent powder or the mixture of any two colors.
After the scheme is adopted, the fly-eye lens and the TIR lens group are matched for light treatment, the TIR lens group with special design is adopted at the periphery of the lens, the light source of the light source installation accommodating area can be subjected to regional (at least two areas) residual light collection treatment through at least two groups of TIR toothed ring units, and particularly, aiming at a high-power LED light source, the light source distribution area is relatively large, the regional residual light collection treatment is adopted, the residual light collection rate is improved, and the treatment effect is excellent. The fly-eye lens is adopted for dispersion treatment in cooperation with the lens center to effectively compensate for the non-uniformity of light distribution, and finally the light treatment effect with good light uniformity and high light efficiency is obtained.
Drawings
FIG. 1 is a schematic view of an optical lens assembly of the present invention;
FIG. 2 is a schematic diagram of another embodiment of an optical lens assembly of the present invention.
Description of the reference numerals
Fly's eye lens 1, tir ring element 2, cylindrical inner face 21, conical outer face 22,
A lens housing 3, a sealing ring 31 and a light source 4;
a sapphire phosphor 5, a sapphire glass 51, a phosphor 52, and a support 53.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings and detailed description.
The present disclosure relates to an optical lens assembly, as shown in fig. 1, comprising an integrally formed fly-eye lens 1 and TIR lens group 2. The TIR lens group 2 is arranged around the periphery of the fly's eye lens 1 in an annular shape, and the TIR lens group 2 comprises at least two TIR toothed ring units which are arranged in a sleeved mode. In fig. 1, a specific embodiment is shown, and the TIR lens group 2 comprises three sets of TIR ring elements, namely TIR ring elements 2a, 2b and 2c, which are arranged inside and outside a stack.
The outermost TIR toothed ring unit (e.g. 2a in fig. 1) has its toothed ring enclosed area being the mounting accommodation area for the light source 4. I.e. the area surrounded by the outermost TIR toothed ring units is taken as the largest arrangement area in which the light source 4 can be arranged extendably.
The at least two groups of TIR toothed ring units are gradually sunk from outside to inside. As shown in fig. 1, the vertical distance between the tip of the three sets of TIR toothed ring units 2a, 2b, 2c and the central fly's eye lens 1 is gradually reduced, whereas the vertical distance between the tip of the toothed ring and the light source 4 is gradually increased. Therefore, each group of at least two groups of TIR toothed ring units can fully exert the partitioned residual light collecting effect, so that the light energy is effectively and uniformly utilized to the maximum. The change amplitude of the gradual shrinkage (or gradual expansion) setting can be flexibly adjusted according to the actual product requirement.
Each TIR tooth ring unit consists of a cylindrical inner face 21 and a conical outer face 22, and the conicity of each conical outer face 22 of at least two groups of TIR tooth ring units is the same. By adjusting and changing the taper, the effective control of the light emitting angle is realized.
The light lens component adopts a combined partition thought design, the periphery of the light lens component adopts a special-designed TIR lens group 2, the light source 4 of the light source installation accommodating area can be subjected to partition (at least two areas) residual light collection treatment through at least two groups of TIR toothed ring units, and particularly, aiming at a high-power LED light source, the light source distribution area is relatively large, the partition type residual light collection treatment is adopted, the residual light collection rate is improved, and the treatment effect is excellent. The compound eye lens 1 is adopted in the center to be matched for dispersion treatment so as to effectively compensate the non-uniformity of light distribution, and the compensation is outstanding aiming at a centralized and/or high-power light source; through the inner and outer combination and the partition treatment, the light treatment effect with good light uniformity and high light efficiency is finally obtained.
The invention can be suitable for various types of light sources, in particular high-power LED light sources, and the TIR lens group 2 can flexibly change and adjust aiming at different types of light sources, so that the widening application of the lens assembly and the improvement of the practicability are realized.
In an effective scheme, the optical lens assembly further comprises a lens housing seat 3, and the lens housing seat 3 is integrally formed around the periphery of the TIR lens group 2. The lens housing 3 is designed to facilitate the installation of the optical lens assembly. Further, the lens housing 3 is provided with mounting holes for facilitating the installation of the optical lens assembly. In addition, the lens housing base 3 is also provided with a sealing ring 31, which plays a role in waterproof, dustproof and protection.
Preferably, the optical lens assembly further comprises a sapphire fluorescent body 5. The light emergent direction of the optical lens assembly is taken as a reference direction, and the reference direction has a front-to-back direction. The sapphire phosphor 5 is arranged side by side along the reference direction, and the front and rear positions can be changed arbitrarily, so that the fly's eye lens 1 and the TIR lens group 2 integrally formed on the lens housing 3 are positioned in a positional relationship. Specifically, when the sapphire phosphor 5 is located behind the lens housing 3, the two may be disposed in close contact, and the sapphire phosphor 5 is disposed on the outer surface of the lens housing 3 and covers the entire light-emitting surface. When the sapphire fluorescent body 5 is positioned in front of the lens housing seat 3, the sapphire fluorescent body 5 and the lens housing seat are arranged at intervals (as shown in fig. 2), and the sapphire fluorescent body 5 is positioned in the area surrounded by the tooth ring of the outermost TIR tooth ring unit; and in optical lens assembly applications, the sapphire phosphor 5 is spaced from the light source 4.
The sapphire fluorescent body 5 is formed by sintering glass powder and fluorescent powder 52 on sapphire, and the position of the fluorescent powder 52 and the glass powder sintered on the sapphire is that the surface of the sapphire corresponding to the side opposite to the luminous body (the light source 4) in the application of the optical lens assembly. The sapphire phosphor 5 thus constituted corresponds to a phosphor including sapphire glass 51 and phosphor powder 52. The light source 4 excites the fluorescent powder 52 to form a required light-emitting color, and the fluorescent powder 52 can be designed to have a fluorescent powder with a corresponding color according to actual needs, and in a specific embodiment, the fluorescent powder is any one of red fluorescent powder, green fluorescent powder and yellow fluorescent powder or a mixture of any two colors.
The optical lens assembly with the sapphire fluorophor 5 is particularly suitable for being applied to a high-power light source, and the sapphire is made of transparent temperature-resistant materials and has the characteristics of good light transmittance and good temperature resistance. For example, the high-power light source is a blue light emitter, the blue light with high luminous flux passes through the sapphire, and the generated heat can not cause any adverse effect on the whole sapphire fluorescent body 5, particularly the fluorescent powder 52, so that the high-power light source can continuously and effectively work, and the luminous performance requirement can be well met.
Preferably, according to the embodiment, a mounting manner of the sapphire fluorescent body 5 is designed, and a supporting portion 53 for mounting and supporting the sapphire fluorescent body 5 is designed, and the supporting portion 53 is arranged at intervals between the sapphire fluorescent body 5 and the light source and between the sapphire fluorescent body and the lens housing 3 (fly eye lens 1). Preferably, the supporting portion 53 corresponds to the high heat conduction ring surrounding the light source, that is, the sapphire fluorescent body is disposed on the high heat conduction ring, so that the sapphire fluorescent body has a certain heat dissipation effect. The high thermal conductivity ring preferably has a thermal coefficient of greater than 8w/mk and, in a preferred embodiment, utilizes aluminum nitride ceramics containing 96% aluminum oxide.
The foregoing description is only of the preferred embodiments of the present invention, and all equivalent changes and modifications that come within the scope of the following claims are intended to be embraced therein.
Claims (5)
1. An optical lens assembly, characterized by: the TIR lens group is arranged around the periphery of the fly eye lens in an annular shape, and comprises at least two TIR toothed ring units which are arranged in a sleeved mode from outside to inside, wherein the at least two TIR toothed ring units are gradually sunk from outside to inside, and the area surrounded by the toothed rings of the TIR toothed ring units on the outermost layer is a light source installation accommodating area; the optical lens assembly further comprises a sapphire fluorescent body, wherein the sapphire fluorescent body is formed by sintering glass powder and fluorescent powder on the sapphire, and the position of the sintered fluorescent powder and the sintered glass powder on the sapphire is that the surface of the sapphire corresponding to the side opposite to the luminous body in the application of the optical lens assembly; the fluorescent powder is any one of red fluorescent powder, green fluorescent powder and yellow fluorescent powder or a mixture of any two colors; the support part is designed to mount and support the sapphire fluorescent body, and the support part is used for realizing the interval arrangement of gaps between the sapphire fluorescent body and the light source, the lens shell seat and the fly eye lens; the supporting part is correspondingly a high-heat-conductivity ring object with the heat conductivity coefficient of more than 8w/mk surrounding the light source, and the sapphire fluorescent body is erected on the high-heat-conductivity ring object; the high thermal conductivity ring uses aluminum nitride ceramic containing 96% aluminum oxide.
2. An optical lens assembly as recited in claim 1, wherein: the TIR toothed ring units are composed of cylindrical inner faces and conical outer faces, and the taper of each conical outer face of at least two groups of TIR toothed ring units is the same.
3. An optical lens assembly as recited in claim 1, wherein: the optical lens assembly further comprises a lens housing, and the lens housing is integrally formed around the periphery of the TIR lens group.
4. An optical lens assembly as recited in claim 3, wherein: and the lens shell seat is provided with a mounting hole which is beneficial to the installation of the optical lens component.
5. An optical lens assembly as recited in claim 3, wherein: and a sealing ring is further arranged on the lens shell seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910698612.5A CN110518109B (en) | 2019-07-31 | 2019-07-31 | Optical lens assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910698612.5A CN110518109B (en) | 2019-07-31 | 2019-07-31 | Optical lens assembly |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110518109A CN110518109A (en) | 2019-11-29 |
| CN110518109B true CN110518109B (en) | 2024-06-14 |
Family
ID=68624347
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910698612.5A Active CN110518109B (en) | 2019-07-31 | 2019-07-31 | Optical lens assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110518109B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107327807A (en) * | 2017-08-22 | 2017-11-07 | 深圳创维－Rgb电子有限公司 | A kind of lens, backlight assembly and display device |
| CN207247107U (en) * | 2017-08-31 | 2018-04-17 | 厦门广盛弘科技有限公司 | A kind of compound TIR combinations dentation reflection shot-light lens |
| CN210607308U (en) * | 2019-07-31 | 2020-05-22 | 格瑞电子（厦门）有限公司 | Optical lens assembly |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8303141B2 (en) * | 2009-12-17 | 2012-11-06 | Ledengin, Inc. | Total internal reflection lens with integrated lamp cover |
| CN102853374B (en) * | 2012-08-24 | 2015-03-18 | 霍永峰 | LED (Light-Emitting Diode) stage lamp lens assembly and LED stage lamp |
| US9500324B2 (en) * | 2014-09-02 | 2016-11-22 | Ketra, Inc. | Color mixing optics for LED lighting |
-
2019
- 2019-07-31 CN CN201910698612.5A patent/CN110518109B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107327807A (en) * | 2017-08-22 | 2017-11-07 | 深圳创维－Rgb电子有限公司 | A kind of lens, backlight assembly and display device |
| CN207247107U (en) * | 2017-08-31 | 2018-04-17 | 厦门广盛弘科技有限公司 | A kind of compound TIR combinations dentation reflection shot-light lens |
| CN210607308U (en) * | 2019-07-31 | 2020-05-22 | 格瑞电子（厦门）有限公司 | Optical lens assembly |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110518109A (en) | 2019-11-29 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US7911118B2 (en) | Heat sink lamp and method for manufacturing a heat sink | |
| CN202733486U (en) | Lighting fixture | |
| CN101809365B (en) | Led lamp with heat sink optic | |
| US9285082B2 (en) | LED lamp with LED board heat sink | |
| EP2655957B1 (en) | Led light bulb with light scattering optics structure | |
| EP2724187B1 (en) | Led-based lighting unit with optical component for mixing light output from a plurality of leds | |
| CN102444845A (en) | Lighting fixture | |
| JP6591152B2 (en) | Fresnel lens optical system and illumination device using the same | |
| CN110518109B (en) | Optical lens assembly | |
| CN210607308U (en) | Optical lens assembly | |
| US9638397B2 (en) | Lighting apparatus and method for emitting light having different color temperatures | |
| US20120051055A1 (en) | Retrofit system for converting an existing luminaire into a solid state lighting luminaire | |
| CN100576060C (en) | A kind of LED light projector image forming apparatus | |
| CN210723019U (en) | Synchronous zooming color-changing COB light source | |
| CN207990327U (en) | A kind of LED factory lamps | |
| CN108980703A (en) | A kind of bulkhead lamp | |
| CN213207732U (en) | Eight-in-one circular combined lens matched with infrared and visible light lamp beads | |
| CN213207733U (en) | Twenty-in-one elliptical ring-shaped combined lens matched with infrared and visible light lamp beads | |
| CN210135459U (en) | Quick heat dissipation type LED explosion-proof lamp | |
| CN212178790U (en) | Eight-in-one circular light spot combined lens matched with infrared and visible light lamp beads | |
| CN210532326U (en) | Lamp shell with heat radiation structure | |
| CN215336137U (en) | Novel annular combined lens | |
| CN208397722U (en) | A kind of more optical port LED ball shape lamps | |
| CN214948442U (en) | Full-luminous type illuminating lamp | |
| CN211289622U (en) | Integrated lamp capable of adjusting light, angle and color temperature or color |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |