CN104676476A - Lens assembly and LED lamp using same - Google Patents
Lens assembly and LED lamp using same Download PDFInfo
- Publication number
- CN104676476A CN104676476A CN201310632937.6A CN201310632937A CN104676476A CN 104676476 A CN104676476 A CN 104676476A CN 201310632937 A CN201310632937 A CN 201310632937A CN 104676476 A CN104676476 A CN 104676476A
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- light
- plane
- incidence
- lens subassembly
- face
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V5/00—Refractors for light sources
- F21V5/04—Refractors for light sources of lens shape
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
The invention provides a lens assembly. The lens assembly is a condensing light and comprises a light incoming surface, a light outgoing surface and a light reflecting surface; the light incoming surface and the light outgoing surface are respectively positioned at two opposite ends of the lens assembly and connected through the light reflecting surface; the light incoming surface comprises a first incoming surface and a second incoming surface. The lens assembly further comprises a plurality of bulges which are convexly arranged on the surface of the first incoming surface; lights incoming in the first incoming surface and the bulges are refracted and then enter the light outgoing surfaces, the lights incoming in the second incoming surface are refracted and then enter the light reflecting surface to be reflected, the reflected lights enter the light outgoing surface to be refracted and overlapped to be sent out. The invention further provides an LED lamp using the lens assembly. The central light strength and the condensing angle of the LED lamp can synchronously meet the lighting requirement; a light distribution system formed by the lens assembly meets the light distribution requirement of the LED lamp.
Description
Technical field
The present invention relates to lighting field, particularly relate to a kind of lens subassembly and apply the LED(light emitting diode of described lens subassembly, light emitting diode) light fixture.
Background technology
LED is as can be the semiconductor of luminous energy by electric energy conversion, the advantage such as high with its efficiency, energy consumption is low, the life-span is long is widely used in various lighting, as flashlight, mine lamp etc., these are that the light fixture of light source has become indispensable illumination utensil in people's life, work with LED.These LED lamp generally comprise the assemblies such as housing, light source, reflective mirror, lampshade, this light source and reflective mirror are installed in described housing, this reflective mirror can reflect the light that described light source sends, this lampshade is installed on described housing, and by described light source and mirror package in described housing, the light of the light that described light source is launched and this mirror reflection is projected away by this lampshade.
The optically focused of existing flashlight adopts the design of lens to realize the requirement of illumination mostly, these flashlights are in order to reach the requirement of low-angle optically focused, need the light sent by LED light source to converge, such as, secondary light-distribution lens medium position is set to inner concave.But, as adopted this project organization, the once light-distribution lens of this LED light source are convex lens, secondary light-distribution lens is a planoconvex spotlight, and convex lens have the function being converged to real image, therefore, the light-emitting area of LED light source will be imaged, and abnormal hot spot can be formed in field of illumination, cause impact interference, obvious existing LED lamp cannot meet the requirement of optically focused.
Summary of the invention
For the problems referred to above, the object of the present invention is to provide a kind of structure simple, there is less optically focused angle and the lens subassembly of image hot spot without exception.
The present invention also provides a kind of LED lamp applying described lens subassembly.
In order to solve the problems of the technologies described above, the invention provides a kind of lens subassembly, described lens subassembly is collector lens, comprise plane of light incidence, beam projecting face and light reflection face, described plane of light incidence and described beam projecting face lay respectively at the opposite end of described lens subassembly, and be connected by described light reflection face, described plane of light incidence comprises first plane of incidence and second plane of incidence, described lens subassembly also comprises some projections, this projection is convexly equipped in the surface of described first plane of incidence, described beam projecting face is incided after the light being injected into described first plane of incidence and described projection is refracted, the light injecting described second plane of incidence incides described light reflection face after superrefraction, described beam projecting face is incided after this light is reflected in described light reflection face, also mutually injection is superposed after described beam projecting face reflects this light.
Wherein, described lens subassembly is made up of optical-grade polymethylmethacrylacontinuous material jetting formation process.
Wherein, each projection is hemisphere shape, and its radius is 1 millimeter, and described bump array is on the surface of this first plane of incidence.
Wherein, unidirectional light is irradiated to the diverse location of described convex surfaces, and the direction that directive is different after refraction occurs in this position.
Wherein, the rounded plane in described beam projecting face, it is positioned at the beam projecting end of described lens subassembly, and be connected to described light reflection face, some light incides the surface of this first plane of incidence and described projection, via the light after described protruding refraction to described beam projecting face, and penetrate at the light beam that this formation and optical axis included angle after refraction occurs at beam projecting face place are 10 °.
Wherein, some light incides described light reflection face after the second plane of incidence place reflects, and incide described beam projecting face after this light reflection face place is totally reflected, and to be formed after this beam projecting face place reflects again with optical axis included angle be that the light beam of 3 ° penetrates.
Wherein, half light intensity angle of the emergent light that described beam projecting face mutually superposes and formed is 10 °, and its central light strength is approximately 2500 candelas.
Wherein, described first plane of incidence is the inner concave through the process of pearl face, and described second plane of incidence is an inclined-plane, and it is connected to all lateral edges of described first plane of incidence, and described light reflection face is a curved surface.
Present invention also offers a kind of LED lamp, comprise light source, this LED lamp also comprises above-mentioned lens subassembly, and the light that described light source sends reflects at described first plane of incidence, described second plane of incidence and described high spot, and reflects rear by described beam projecting face and mutually superpose and penetrate.
Wherein, described lens subassembly one end offers accommodating cavity, this accommodating cavity is surrounded by described plane of light incidence, and the illuminating part of described light source is placed in this accommodating cavity, and its light sent exposes in first plane of incidence of this plane of light incidence and second plane of incidence and described projection.
In LED lamp provided by the present invention, the structure of described lens subassembly is simple, it is shaping that it is easy to die sinking, this lens subassembly constitutes the light distributing system of this LED lamp, first plane of incidence surface of described plane of light incidence is convexly equipped with some projections, the light that described light source sends shines directly into described beam projecting face after being reflected by this first plane of incidence and described projection, described light reflection face is incided after being reflected by described second plane of incidence, described beam projecting face is irradiated to after the reflection of this light reflection face, light forms the light injection of required optically focused angle after refraction occurs at this beam projecting face place.Therefore, central light strength and the optically focused angle of this LED lamp all can meet lighting requirement simultaneously, described lens subassembly constitutes the light distributing system of this LED lamp, and it can provide optically focused angle less and the emergent light of askiatic interference effect, meets the requirement that described LED lamp designs luminous intensity distribution.
Accompanying drawing explanation
In order to be illustrated more clearly in technical scheme of the present invention, be briefly described to the accompanying drawing used required in embodiment below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the schematic perspective view of the LED lamp that the embodiment of the present invention provides.
Fig. 2 is the floor map of the LED lamp shown in Fig. 1.
Fig. 3 is the phantom of the lens subassembly that the embodiment of the present invention provides.
Fig. 4 is the rearview of the lens subassembly that the embodiment of the present invention provides.
Fig. 5 is the phantom of the LED lamp that the embodiment of the present invention provides.
Fig. 6 is the light path schematic diagram of the LED lamp that the embodiment of the present invention provides.
Fig. 7 is the distribution curve flux figure (polar form) of the LED lamp that the embodiment of the present invention provides, and wherein, central light strength is approximately 2500 candelas.
Fig. 8 is the illumination figure of the LED lamp that the embodiment of the present invention provides.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Refer to Fig. 1 and Fig. 2, embodiment of the present invention provides a kind of LED lamp 100, and it can be the illumination LED such as flashlight, mine lamp light fixture, and in embodiments of the present invention, this LED lamp 100 is illustrated for flashlight.
Described LED lamp 100 comprises light source 20 and the lens subassembly 40 that arrange corresponding to described light source 20, described lens subassembly 40 constitutes the light distributing system of this LED lamp 100, it can form the emergent light of required optically focused angle and askiatic interference effect, meets the requirement to luminous intensity distribution design in described LED lamp 100.Described light source 20 can need according to illumination the light launching respective color, brightness, and expose on described lens subassembly 40, this lens subassembly 40 optical treatment (as reflection, refraction) from as described in the light of light source 20, thus on face to be illuminated, form required half light intensity angle and the emergent light of askiatic interference effect.
In embodiments of the present invention, described LED lamp 100 also comprises the assemblies such as lamp casing, heat sink, driven unit, lampshade, described lamp casing is as the main body of this LED lamp 100, it is for holding the lamp assemblies such as described light source 20, lens subassembly 40, heat sink, driven unit in the inner, described lampshade removably covers on this lamp casing, and then is packaged in described lamp casing by the lamp assemblies such as described light source 20, lens subassembly 40, heat sink, driven unit.
See also Fig. 3, Fig. 4 and Fig. 5, described light source 20 can be light emitting diode (light emitting diode, LED) chip, its by the mode such as surface mount, welding be installed on described heat sink (as, aluminium base) on, the heat conduction produced when this light source 20 can work by this heat sink sheds.Described light source 20 comprises illuminating part 22, and this illuminating part 22 is positioned at described lens subassembly 40, and its light sent exposes on described lens subassembly 40, and is undertaken reflecting or reflecting by the surface of this lens subassembly 40.
In embodiments of the present invention, described lens subassembly 40 entirety is roughly in round table-like, and it can be made up of polymethyl methacrylate (Polymethylmethacrylate, PMMA) material, particularly, this lens subassembly 40 can be made up of optical grade PMMA material jetting formation process.Described lens subassembly 40 can be collector lens, and its surface comprises plane of light incidence 42, beam projecting face 44 and light reflection face 45.Described plane of light incidence 42 and described beam projecting face 44 lay respectively at the opposite end of lens subassembly 40, be connected by described light reflection face 45 transition between described plane of light incidence 42 with described beam projecting face 44, namely, this plane of light incidence 42, described light reflection face 45 are connected successively with described beam projecting face 44, thus form the outer surface of this lens subassembly 40.
In embodiments of the present invention, described lens subassembly 40 offers accommodating cavity 46, this accommodating cavity 46 is opened in the light end (one end that namely area is less) of this lens subassembly 40, and described light source 20 aims at this accommodating cavity 46, and the illuminating part 22 of this light source 20 is placed in this accommodating cavity 46.Described plane of light incidence 42 defines described accommodating cavity 46, and the light that the illuminating part 22 being positioned at this accommodating cavity 46 sends exposes on this plane of light incidence 42.Described plane of light incidence 42 is made up of the different planes of incidence, is specially, and this plane of light incidence 42 comprises first plane of incidence 422 and second plane of incidence 423, and described first plane of incidence 422 is connected with described second plane of incidence 423, thus surrounds described accommodating cavity 46.
In an embodiment of the present invention, described lens subassembly 40 also comprises some protruding 48, described first plane of incidence 422 entirety is roughly an inner concave, described some protruding 48 surfaces being convexly equipped in described first plane of incidence 422, be specially, each protruding 48 entirety are hemisphere shape, and its radius is 1 millimeter, and this projection 48 is arranged on the surface of this first plane of incidence 422.The some light that described light source 20 sends incides on this first plane of incidence 422, unidirectional light is irradiated to the diverse location on described protruding 48 surfaces, these drop on the different direction of directive after the light refraction of diverse location, that is, light there occurs the scattering of rule; Via the light after described protruding 48 refractions to described beam projecting face 44, and after refraction occurs at beam projecting face 44 place, form light injection (light as shown in Figure 6 1.) of required optically focused angle at this.
In an embodiment of the present invention, described second plane of incidence 423 entirety can be an inclined-plane, and it is connected to all lateral edges of described first plane of incidence 422.The some light that described light source 20 sends incides described light reflection face 45 after the second plane of incidence 423 place reflects, and incide described beam projecting face 44 after this light reflection face 45 place is totally reflected, and after this beam projecting face 44 place reflects again, form light injection (light as shown in Figure 6 2.) of required optically focused angle.
Described light reflection face 45 is the side of described lens subassembly 40, and it is connected between second plane of incidence 423 of described plane of light incidence 42 and described beam projecting face 44.In embodiments of the present invention, described light reflection face 45 is a curved surface, and it can reflect the light after described second plane of incidence 423 refraction, and described beam projecting face 44 that the light after reflection is made a video recording.
In embodiments of the present invention, described beam projecting face 44 is positioned at the beam projecting end (that is, one end that area is larger) of described lens subassembly 40, and its periphery is connected to described light reflection face 45.The roughly rounded plane in this beam projecting face 44, the light that described in its refrangible, light source 20 sends.Be specially, the some light that described light source 20 sends incides on this first plane of incidence 422, and unidirectional light is irradiated to the diverse location on described protruding 48 surfaces, and these drop on the different direction of directive after the light refraction of diverse location, that is, light there occurs the scattering of rule; Via the light after described protruding 48 refractions to described beam projecting face 44, and light of optically focused angle needed for being formed after refraction occurs at beam projecting face 44 place at this (as being the light beam of 10 ° with optical axis included angle) penetrates (light as shown in Figure 6 1.).
In addition, the some light that described light source 20 sends incides described light reflection face 45 after the second plane of incidence 423 place reflects, and incide described beam projecting face 44 after this light reflection face 45 place is totally reflected, and the light (as being the light beam of 3 ° with optical axis included angle) forming required optically focused angle after this beam projecting face 44 place reflects again penetrates (light as shown in Figure 6 2.).
As one embodiment of the present of invention, one of design of described lens subassembly 40 can be: this lens subassembly 40 is collector lens, and it is made up of optical grade PMMA material jetting formation process; Described light reflection face 45 is a curved surface, and it is connected between described plane of light incidence 42 and beam projecting face 44; Described first plane of incidence 422 entirety is roughly an inner concave, and this inner concave have passed through the process of pearl face, namely, the surface of described first plane of incidence 422 is convexly equipped with some protruding 48, each protruding entirety is hemisphere shape, and its radius is 1.0 millimeters, to reflect the light with scattered radiation on it; Described second plane of incidence 423 entirety can be an inclined-plane, and it is connected to all lateral edges of described first plane of incidence 422; The roughly rounded plane in described beam projecting face 44, it is positioned at the beam projecting end (that is, one end that area is larger) of described lens subassembly 40, and the periphery in this beam projecting face 44 is connected to described light reflection face 45.Be understandable that; above-mentioned design is only this one of them specific embodiment of lens subassembly 40; such as; the described radius of protruding 48 also can be the numerical value such as 1.5 millimeters, 2.0 millimeters, 2.5 millimeters; the application is not restricted to above-mentioned design; the size of this lens subassembly 40 designs according to the physical dimension of described LED lamp 100, as long as the design parameter meeting this optical property is all within the application's protection domain, do not repeat them here.
Based on above-mentioned design, all penetrate after superrefraction to the light in described beam projecting face 44 and the light that incides this beam projecting face 44 after reflecting via described light reflection face 45 via light after described first plane of incidence 422 and protruding 48 refractions, and mutually to superpose in this beam projecting face 44 and finally form half light intensity angle be 10 ° of emergent lights.Therefore, described LED lamp 100 finally can form light intensity as shown in Figure 7, and wherein, central light strength is approximately 2500 candelas, and half luminous light intensity angle is approximately 10 °.See also Fig. 8, Fig. 8 is the illumination figure of the LED lamp 100 that the embodiment of the present invention provides, it represents the luminous flux accepted in the object face to be illuminated unit interval, and as shown in Figure 8, described lens subassembly 40 can form required optically focused angle and the emergent light of askiatic interference effect on face to be illuminated.Therefore, central light strength and the optically focused angle of this LED lamp 100 all can meet lighting requirement simultaneously, described lens subassembly 40 constitutes the light distributing system of this LED lamp 100, it can provide optically focused angle less and the emergent light of askiatic interference effect, meets the requirement of described LED lamp 100 pairs of luminous intensity distribution designs.
See also Fig. 1 to Fig. 8, during use, described light source 20 is installed on described heat sink (e.g., aluminium base) by the mode such as surface mount, welding, and after energising, this light source 20 needs according to illumination the light sending respective color and brightness.The illuminating part 22 of described light source 20 is placed in described accommodating cavity 46, and aims at described plane of light incidence 42.Some light that this light source 20 sends (as with the light of optical axis included angle within the scope of ± 35 °) incide on this first plane of incidence 422, unidirectional light is irradiated to the diverse location on described protruding 48 surfaces, these drop on the different direction of directive after the light refraction of diverse location, that is, light there occurs the scattering of rule; Via the light after described protruding 48 refractions to described beam projecting face 44, and light of optically focused angle needed for being formed after refraction occurs at beam projecting face 44 place at this (as being the light beam of 10 ° with optical axis included angle) penetrates (light as shown in Figure 6 1.).Some light that described light source 20 sends (as with the light of optical axis included angle within the scope of ± 35 ° ~ ± 90 °) incide after the second plane of incidence 423 place reflects as described in light reflection face 45, and incide described beam projecting face 44 after this light reflection face 45 place is totally reflected, and the light (as being the light beam of 3 ° with optical axis included angle) forming required optically focused angle after this beam projecting face 44 place reflects again penetrates (light as shown in Figure 6 2.).All penetrate after superrefraction to the light in described beam projecting face 44 and the light that incides this beam projecting face 44 after reflecting via described light reflection face 45 via light after described first plane of incidence 422 and protruding 48 refractions, and mutually to superpose in this beam projecting face 44 and finally form half light intensity angle be 10 ° of emergent lights.Therefore, described LED lamp 100 finally can form light intensity as shown in Figure 7, and wherein, central light strength is approximately 2500 candelas, and half luminous light intensity angle is approximately 10 °.See also Fig. 8, Fig. 8 is the illumination figure of the LED lamp 100 that the embodiment of the present invention provides, it represents the luminous flux accepted in the object face to be illuminated unit interval, and as shown in Figure 8, described lens subassembly 40 can form required optically focused angle and the emergent light of askiatic interference effect on face to be illuminated.Therefore, central light strength and the optically focused angle of this LED lamp 100 all can meet lighting requirement simultaneously, described lens subassembly 40 constitutes the light distributing system of this LED lamp 100, it can provide optically focused angle less and the emergent light of askiatic interference effect, meets the requirement of described LED lamp 100 pairs of luminous intensity distribution designs.
In sum, in LED lamp 100 provided by the present invention, the structure of described lens subassembly 40 is simple, it is shaping that it is easy to die sinking, this lens subassembly 40 constitutes the light distributing system of this LED lamp 100, first plane of incidence 422 surface of described plane of light incidence 42 is convexly equipped with some protruding 48, the light that described light source 20 sends shines directly into described beam projecting face 44 after being reflected with described protruding 48 by this first plane of incidence 422, described light reflection face 45 is incided after being reflected by described second plane of incidence 423, described beam projecting face 44 is irradiated to after the reflection of this light reflection face 45, light forms the light injection of required optically focused angle after refraction occurs at this beam projecting face 44 place.Therefore, central light strength and the optically focused angle of this LED lamp 100 all can meet lighting requirement simultaneously, described lens subassembly 40 constitutes the light distributing system of this LED lamp 100, it can provide optically focused angle less and the emergent light of askiatic interference effect, meets the requirement of described LED lamp 100 pairs of luminous intensity distribution designs.
The above is the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention; can also make some improvements and modifications, these improvements and modifications are also considered as protection scope of the present invention.
Claims (10)
1. a lens subassembly, it is characterized in that, described lens subassembly is collector lens, comprise plane of light incidence, beam projecting face and light reflection face, described plane of light incidence and described beam projecting face lay respectively at the opposite end of described lens subassembly, and be connected by described light reflection face, described plane of light incidence comprises first plane of incidence and second plane of incidence, described lens subassembly also comprises some projections, this projection is convexly equipped in the surface of described first plane of incidence, described beam projecting face is incided after the light being injected into described first plane of incidence and described projection is refracted, the light injecting described second plane of incidence incides described light reflection face after superrefraction, described beam projecting face is incided after this light is reflected in described light reflection face, also mutually injection is superposed after described beam projecting face reflects this light.
2. lens subassembly according to claim 1, is characterized in that, described lens subassembly is made up of optical-grade polymethylmethacrylacontinuous material jetting formation process.
3. lens subassembly according to claim 1, is characterized in that, each projection is hemisphere shape, and its radius is 1 millimeter, and described bump array is on the surface of this first plane of incidence.
4. lens subassembly according to claim 3, is characterized in that, unidirectional light is irradiated to the diverse location of described convex surfaces, and the direction that directive is different after refraction occurs in this position.
5. lens subassembly according to claim 1, it is characterized in that, the rounded plane in described beam projecting face, it is positioned at the beam projecting end of described lens subassembly, and be connected to described light reflection face, some light incides the surface of this first plane of incidence and described projection, via the light after described protruding refraction to described beam projecting face, and penetrates at the light beam that this formation and optical axis included angle after refraction occurs at beam projecting face place are 10 °.
6. lens subassembly according to claim 5, it is characterized in that, some light incides described light reflection face after the second plane of incidence place reflects, and incide described beam projecting face after this light reflection face place is totally reflected, and to be formed after this beam projecting face place reflects again with optical axis included angle be that the light beam of 3 ° penetrates.
7. lens subassembly according to claim 6, is characterized in that, half light intensity angle of the emergent light that described beam projecting face mutually superposes and formed is 10 °, and its central light strength is approximately 2500 candelas.
8. lens subassembly according to claim 1, is characterized in that, described first plane of incidence is the inner concave through the process of pearl face, and described second plane of incidence is an inclined-plane, and it is connected to all lateral edges of described first plane of incidence, and described light reflection face is a curved surface.
9. a LED lamp, comprise light source, it is characterized in that, this LED lamp also comprises the lens subassembly described in claim 1 to 8 any one, the light that described light source sends reflects at described first plane of incidence, described second plane of incidence and described high spot, and reflects rear by described beam projecting face and mutually superpose and penetrate.
10. LED lamp assembly according to claim 9, it is characterized in that, described lens subassembly one end offers accommodating cavity, this accommodating cavity is surrounded by described plane of light incidence, the illuminating part of described light source is placed in this accommodating cavity, and its light sent exposes in first plane of incidence of this plane of light incidence and second plane of incidence and described projection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310632937.6A CN104676476A (en) | 2013-11-29 | 2013-11-29 | Lens assembly and LED lamp using same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310632937.6A CN104676476A (en) | 2013-11-29 | 2013-11-29 | Lens assembly and LED lamp using same |
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| Publication Number | Publication Date |
|---|---|
| CN104676476A true CN104676476A (en) | 2015-06-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310632937.6A Pending CN104676476A (en) | 2013-11-29 | 2013-11-29 | Lens assembly and LED lamp using same |
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| CN (1) | CN104676476A (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105674210A (en) * | 2016-03-08 | 2016-06-15 | 安徽康佳绿色照明技术有限公司 | 60-degree lens of LED lamp and manufacturing method of 60-degree lens of LED lamp |
| CN106838666A (en) * | 2017-04-13 | 2017-06-13 | 上海睿铄光电科技有限公司 | A kind of controllable aperture light outlet lamp of lamp shielding angle |
| CN106871011A (en) * | 2017-01-22 | 2017-06-20 | 广东国铠照明有限公司 | A kind of removable and regulation angle light fixture |
| CN107869687A (en) * | 2016-09-22 | 2018-04-03 | 广州市新晶瓷材料科技有限公司 | A kind of white light source of low-angle |
| CN107990287A (en) * | 2017-12-08 | 2018-05-04 | 广东晶科电子股份有限公司 | A kind of normal direction low-angle integral LED optical lens and lamps and lanterns |
| CN108224363A (en) * | 2018-02-01 | 2018-06-29 | 深圳市朗恒电子有限公司 | Ultra thin optical lens |
| CN109751566A (en) * | 2017-11-08 | 2019-05-14 | 江苏亿诺车辆部件有限公司 | New type lens for automobile lamp |
| CN113803693A (en) * | 2020-06-11 | 2021-12-17 | 西安新骊电子技术有限责任公司 | Plane lens based on total reflection principle and transmission principle |
| CN114459000A (en) * | 2022-02-14 | 2022-05-10 | 赛尔富电子有限公司 | Lens and lamp |
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2013
- 2013-11-29 CN CN201310632937.6A patent/CN104676476A/en active Pending
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105674210A (en) * | 2016-03-08 | 2016-06-15 | 安徽康佳绿色照明技术有限公司 | 60-degree lens of LED lamp and manufacturing method of 60-degree lens of LED lamp |
| CN107869687A (en) * | 2016-09-22 | 2018-04-03 | 广州市新晶瓷材料科技有限公司 | A kind of white light source of low-angle |
| CN106871011A (en) * | 2017-01-22 | 2017-06-20 | 广东国铠照明有限公司 | A kind of removable and regulation angle light fixture |
| CN106838666A (en) * | 2017-04-13 | 2017-06-13 | 上海睿铄光电科技有限公司 | A kind of controllable aperture light outlet lamp of lamp shielding angle |
| CN106838666B (en) * | 2017-04-13 | 2022-11-01 | 上海睿铄光电科技有限公司 | Small hole light emitting lamp with controllable shading angle |
| CN109751566A (en) * | 2017-11-08 | 2019-05-14 | 江苏亿诺车辆部件有限公司 | New type lens for automobile lamp |
| CN107990287A (en) * | 2017-12-08 | 2018-05-04 | 广东晶科电子股份有限公司 | A kind of normal direction low-angle integral LED optical lens and lamps and lanterns |
| CN108224363A (en) * | 2018-02-01 | 2018-06-29 | 深圳市朗恒电子有限公司 | Ultra thin optical lens |
| CN113803693A (en) * | 2020-06-11 | 2021-12-17 | 西安新骊电子技术有限责任公司 | Plane lens based on total reflection principle and transmission principle |
| CN114459000A (en) * | 2022-02-14 | 2022-05-10 | 赛尔富电子有限公司 | Lens and lamp |
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Application publication date: 20150603 |