CN104948940A - LED lamp and polarized light reflector thereof - Google Patents
LED lamp and polarized light reflector thereof Download PDFInfo
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- CN104948940A CN104948940A CN201410121104.8A CN201410121104A CN104948940A CN 104948940 A CN104948940 A CN 104948940A CN 201410121104 A CN201410121104 A CN 201410121104A CN 104948940 A CN104948940 A CN 104948940A
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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
- F21V7/00—Reflectors for light sources
- F21V7/10—Construction
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- General Engineering & Computer Science (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
The invention discloses a polarized light reflector of an LED lamp. The polarized light reflector thereof is provided with a reflecting cavity which is in a quadrangular frustum pyramid shape, the reflecting cavity comprises a first side wall, a second side wall, a third side wall and a fourth side wall which are sequentially arranged end to end; the small opening end of the reflecting cavity is a light source hole, and the big opening end of the reflecting cavity is a rectangular light outlet; the first side wall and the third side wall are symmetrically arranged with respect to an optical axis, the included angle of the first side wall and the axis of the light source hole and the included angle of the third side wall of the axis of the light source hole are equivalent, and the second side wall and the fourth side wall are arranged oppositely; the axis, faces towards the light source hole, of the second side wall is oblique, the axis, back to the light source hole, of the fourth side wall is oblique, and the included angle of the second side wall and the optical axis is smaller than the included angle of the fourth side wall and the optical axis; the maximum emergence angle of light reflected by the first side wall or the third side wall is the included angle of the first side wall or the third side wall and an optical axis, and the maximum emergence angle of light reflected by the second side wall is smaller than the maximum emergence angle of light reflected by the fourth side wall. The invention further provides the LED lamp.
Description
Technical field
The present invention relates to a kind of lighting, particularly relate to a kind of LED lamp and polarisation reflector thereof.
Background technology
At present along with the maturation of LED chip and packaging technology, LED luminance requires to be enough to the demand meeting each lighting field, and LED solid-state illumination becomes trend.It is energy-conservation, environmental protection, and safety has colour rendering index high, the life-span long etc. performance characteristics; Simultaneously its also to have volume little, the distinguishing features such as light efficiency is high, and energy consumption is little.LED light source is widely applied to the every field of scientific experiment, production, life with its obvious advantage, as the application of the lightings such as road, tunnel, view, indoor furniture, commercial advertisement, industry manufacture.
360 degree of omnidirectional conventional light source unlike, the LED luminous diversity of structures shape by its chip package with the luminescence such as incandescent lamp, metal halid lamp, as several in lambert's type, Quartering shot type, bat type and light-focusing type.Therefore in embody rule field, for meeting industry or the national standard in this field, need to carry out secondary optical design, especially high-power LED light source, thus make the illumination range of LED, light distribution, illumination etc. meet the demand of the sector illumination.Road curb lamp, greening street lamp, garden landscape street lamp etc. are carrying out in LED secondary optical design, and most of light of LED without reflector secondary light-distribution, go out by direct irradiation.Because road curb lamp, greening street lamp, garden landscape street lamp etc. have the luminous intensity distribution demands such as shadow surface is large, polarizing illumination, therefore, due to lighting angle reason this cause the optical energy loss of LED very large.
Summary of the invention
Based on this, be necessary to provide a kind of and can meet that shadow surface is large, the LED lamp of the luminous intensity distribution demand of polarizing illumination and polarisation reflector thereof.
A kind of polarisation reflector of LED lamp, described polarisation reflector offers the reflection cavity of quadrangular frustum pyramid shaped, described reflection cavity comprises end to end the first side wall successively, second sidewall, 3rd sidewall and the 4th sidewall, the osculum end of described reflection cavity is light source hole, described light source hole is for accommodating LED light source, the big opening end of described reflection cavity is the light-emitting window of rectangle, described the first side wall and described 3rd sidewall are symmetrical arranged relative to described optical axis, described the first side wall and the angle between described 3rd sidewall and the axis of described light source hole equal, described second sidewall and described 4th sidewall are oppositely arranged, described second sidewall tilts towards the axis of described light source hole, described 4th sidewall dorsad described light source hole axis tilt, angle between described second sidewall and described optical axis is less than the angle between described 4th sidewall and described optical axis,
Wherein, the maximum angle of emergence through the light of described the first side wall or described 3rd sidewall reflects is described the first side wall or described 3rd sidewall and described optical axis included angle, and the maximum angle of emergence through the light of described second sidewall reflects is less than the maximum angle of emergence of the light through described 4th sidewall reflects.
Wherein in an embodiment, the angle between described 4th sidewall and the axis of described light source hole is greater than three times of the angle between described second sidewall and the axis of described light source hole; Described the first side wall and the angle between described 3rd sidewall and the axis of described light source hole are less than two times of the angle between described 4th sidewall and the axis of described light source hole.
Wherein in an embodiment, angle between described second sidewall and the axis of described light source hole is 6 ± 2 degree, the maximum angle of emergence through the light of described second sidewall reflects is 10 ± 2 degree, angle between described 4th sidewall and the axis of described light source hole is 35 ± 2 degree, and the maximum angle of emergence through the light of described 4th sidewall reflects is 50 ± 2 degree.
Wherein in an embodiment, described the first side wall and the angle between described 3rd sidewall and the axis of described light source hole are 60 ± 2 degree, and the maximum angle of emergence through the light of described the first side wall and described 3rd sidewall reflects is 60 ± 2 degree.
Wherein in an embodiment, the relative both sides of the outer surface of described reflector are equipped with locating dowel, and the outer surface of described locating dowel near one end of described big opening end with described reflector is fixedly connected with, and the other end of described locating dowel is provided with inner bolt hole.
Wherein in an embodiment, two described locating dowels are located at the outside of described the first side wall and described 3rd sidewall respectively, and described locating dowel is arranged near described second sidewall, described light source hole is near described second sidewall, and two described locating dowels and described light source hole are located along the same line.
A kind of LED lamp, comprising:
Above-mentioned polarisation reflector; And
Described LED light source, is contained in described light source hole, the axis of described light source hole and the optical axis coincidence of described LED light source, the light of described LED light source through described polarisation reflector reflects, from described light-emitting window outgoing.
Wherein in an embodiment, described LED light source is arranged near described second sidewall, and described LED light source and the distance of described second sidewall near one end of described LED light source are less than described LED light source and the distance of described 4th sidewall near one end of described LED light source.
Wherein in an embodiment, described LED light source and the described the first side wall distance near one end of described LED light source is equal with the distance of described 3rd sidewall near one end of described LED light source with described LED light source.
Wherein in an embodiment, described LED light source comprises LED lamp bead and circuit board, and size and the shape of described circuit board and described light source accepting hole are identical, and the madial wall of described circuit board and described light source accepting hole is tightly connected.
In above-mentioned LED lamp, the light that LED light source sends is through the first side wall or the second sidewall reflects, and the maximum angle of emergence of the light after reflection is the first side wall or the 3rd sidewall and optical axis included angle.The maximum angle of emergence through the light of the second sidewall reflects is less than the maximum angle of emergence of the light through the 4th sidewall reflects.The hot spot of long side direction is symmetrical hot spot, and the hot spot of short side direction is asymmetrical polarisation, if be center line with optical axis, the maximum angle of emergence through the light of the second sidewall reflects is less than the maximum angle of emergence of the light through the 4th sidewall reflects.Above-mentioned LED lamp can form a rectangular light spot, is reached that shadow surface is large, the polarisation requirement of polarizing illumination by polarisation reflector luminous intensity distribution.Further, illumination is comparatively even, improves the efficiency of light energy utilization, and the light fixture being applicable to very much having polarisation requirement uses.
Accompanying drawing explanation
Fig. 1 is the explosive view of the LED lamp of an embodiment;
Fig. 2 is the side view of the LED lamp shown in Fig. 1;
Fig. 3 is for the LED lamp shown in Fig. 2 is along the sectional view in A-A direction;
Fig. 4 is for the LED lamp shown in Fig. 2 is along the sectional view in B-B direction;
The curve of light distribution figure that Fig. 5 is the LED lamp shown in Fig. 1;
Fig. 6 is the Illumination Distribution figure of the LED lamp shown in Fig. 1;
Fig. 7 is the distribution curve of illumination of the LED lamp shown in Fig. 1.
Detailed description of the invention
For the ease of understanding the present invention, below with reference to relevant drawings, the present invention is described more fully.Better embodiment of the present invention is given in accompanying drawing.But the present invention can realize in many different forms, is not limited to embodiment described herein.On the contrary, provide the object of these embodiments be make to disclosure of the present invention understand more thorough comprehensively.
It should be noted that, when element is called as " being fixed on " another element, directly can there is element placed in the middle in it on another element or also.When an element is considered to " connection " another element, it can be directly connected to another element or may there is centering elements simultaneously.Term as used herein " vertical ", " level ", "left", "right" and similar statement just for illustrative purposes, do not represent it is unique embodiment.
Unless otherwise defined, all technology used herein and scientific terminology are identical with belonging to the implication that those skilled in the art of the present invention understand usually.The object of term used in the description of the invention herein just in order to describe concrete embodiment, is not intended to be restriction the present invention.Term as used herein " and/or " comprise arbitrary and all combinations of one or more relevant Listed Items.
Refer to Fig. 1 and Fig. 2, the LED lamp 10 of present embodiment comprises polarisation reflector 100 and LED light source 200.LED light source 200 is contained in polarisation reflector 100.
The polarisation reflector 100 of the LED lamp 10 of present embodiment, polarisation reflector 100 offers the reflection cavity (figure does not mark) of truncated rectangular pyramids.Reflection cavity comprises end to end the first side wall 110, second sidewall 120, the 3rd sidewall 130 and the 4th sidewall 140 successively.The osculum end 160 of reflection cavity is light source hole 161.LED light source 200 is contained in light source hole 161.The axis of light source hole 161 and the optical axis coincidence of LED light source 200.The big opening end 170 of reflection cavity is the light-emitting window 171 of rectangle.The first side wall 110 and the 3rd sidewall 130 are the minor face of rectangle near the side of light-emitting window 171.Second sidewall 120 and the 4th sidewall 140 are the long limit of rectangle near the side of light-emitting window 171.Specifically in the present embodiment, light source hole 161 is offered near the second sidewall 120.Light source hole dip distance the first side wall 110 is equal with the distance of the 3rd sidewall 130.The first side wall 110 and the 3rd sidewall 130 are about light source hole 161 symmetry.
Be appreciated that the shape of polarisation reflector 100 can be the shape such as square platform or round platform.Specifically in the present embodiment, polarisation reflector 100 is truncated rectangular pyramids shape, and the middle part of polarisation reflector 100 offers the reflection cavity of a quadrangular frustum pyramid shaped.Further, the shape of reflection cavity and the mating shapes of polarisation reflector 100.
The first side wall 110 and the 3rd sidewall 130 are symmetrical arranged about optical axis.The first side wall 110 and the 3rd sidewall 130 equal with the angle between optical axis.Specifically in the present embodiment, the first side wall 110 and the angle between the 3rd sidewall 130 and the optical axis of LED light source 200 are 60 ± 2 degree.
Be appreciated that according to luminous intensity distribution needs, design the first side wall 110 and corner dimension between the 3rd sidewall 130 and the optical axis of LED light source 200.
Second sidewall 120 and the 4th sidewall 140 are oppositely arranged.Second sidewall 120 tilts towards the axis of light source hole 161, and the axis in the 4th sidewall 140 backlight hole 161 tilts.Angle between second sidewall 120 and optical axis is less than the angle between the 4th sidewall 140 and optical axis.Particularly, the angle between the 4th sidewall 140 and the axis of light source hole 161 is greater than three times of the angle between the second sidewall 120 and the axis of light source hole 161.The first side wall 110 and the angle between the 3rd sidewall 130 and the axis of light source hole 161 are less than two times of the angle between the 4th sidewall 140 and the axis of light source hole 161.
Specifically in the present embodiment, the angle between the second sidewall 120 and optical axis is 6 ± 2 degree, and the angle between the 4th sidewall 140 and optical axis is 35 ± 2 degree.
Be appreciated that according to luminous intensity distribution needs, design the second sidewall 120 and optical axis and corner dimension between the 4th sidewall 140 and optical axis.
Refer to Fig. 3 and Fig. 4, specifically in the present embodiment, the length of the first side wall 110 and the 3rd sidewall 130 is 18.56 ± 1.00mm.The length of the second sidewall 120 is 9.55 ± 1.00mm, and the length of the 4th sidewall 140 is 11.60 ± 1.00mm.The small volume of above-mentioned polarisation reflector 100, and polarisation requirement can be met, make assembled LED light fixture 10 as much as possible in limited space, improve space availability ratio.
Reflectance coating (not shown) is located at the surface of polarisation reflector 100.Reflectance coating generally can be divided into three major types: metallic reflective coating, full dielectric reflectance coating and inter metal dielectric reflectance coating.Specifically in the present embodiment, the surface of polarisation reflector 100 is coated with highly reflective aluminium film.Be appreciated that polarisation reflector 100 just can be provided with reflectance coating at the inner surface of reflection cavity.
The material of polarisation reflector 100 is acrylonitrile-butadiene-styrene copolymer.Acrylonitrile-butadiene-styrene copolymer ABS(Acrylonitrile butadiene Styrene copolymers).This kind of material has the feature of high strength, low weight.This kind of material is opaque material, nontoxic, tasteless, and has tough, hard, firm characteristic concurrently.Therefore, polarisation reflector 100 has stronger hardness and rigidity, ensures the service life of polarisation reflector 100.
LED light source 200 is contained in light source hole 161.The light of LED light source 200 reflects through polarisation reflector 100, from light-emitting window 171 outgoing.Specifically in the present embodiment, LED light source 200 adopts the LED light source 200 of 1pcs Cree XP-E3W, and luminous flux is 100lm.
Please again consult Fig. 1, LED light source 200 is arranged on polarisation reflector 100.LED light source 200 comprises lamp pearl 210 and circuit board 220.The size of circuit board 220 and the size of light source accepting hole 161, shape are identical.Therefore, when circuit board 220 is contained in light source accepting hole 161 time, the lateral wall of circuit board 220 abuts completely with the madial wall of light source accepting hole 161, is tightly connected, ensures the sealing of LED lamp 10 to enable the madial wall of circuit board 220 and light source accepting hole 161 reach.
LED light source 200 is equal apart from the distance between the first side wall 110 with the 3rd sidewall 120.The light that LED light source 200 sends reflects through the first side wall 110 and the 3rd sidewall 130, is 120 degree from the scope of light-emitting window 171 outgoing.Specifically in the present embodiment, LED light source 200 and the first side wall 110 distance between one end of LED light source 200 is 3.00 ± 0.05mm.LED light source 200 and the distance of the 3rd sidewall 130 between one end of LED light source 200 are 3.00mm ± 0.05mm.
The relative both sides of the outer surface of polarisation reflector 100 are equipped with locating dowel 190.Locating dowel 190 is fixedly connected with the outer surface of reflector near one end of big opening end 171, and the other end of locating dowel 190 is provided with inner bolt hole.Specifically in the present embodiment, the shape of polarisation reflector 100 is truncated rectangular pyramids.Two locating dowels 190 are located at the outside of the first side wall 110 and the 3rd sidewall 130 respectively.And two locating dowels 190 are arranged near the second sidewall 120.Locating dowel 190 is for being fixedly connected with extraneous aluminium base.Screw is contained in inner bolt hole through aluminium base, and is threaded with locating dowel 190, and LED lamp 10 is fixed on aluminium base.
Two locating dowels 190, light source holes 161 are located along the same line.LED light source 200 is contained in light source hole 161, then two locating dowels 190, LED light sources 200 are located along the same line.LED light source 200 is positioned at the center of two locating dowels 190.Further, in time needing the illuminating effect regulating LED lamp 10, because LED light source 200 is positioned at the center of two locating dowels 190, according to the locating hole on aluminium base, the position of LED light source 200 can be learnt.Therefore in operation, easy location can be reached, the effect of convenient design.
Because light source hole 161 is offered near the second sidewall 120, then LED light source 200 is arranged near the second sidewall 120.Specifically in the present embodiment, LED light source 200 and the distance of the second sidewall 120 between one end of LED light source 200 are 2.45 ± 0.05mm.Angle between second sidewall 120 and the optical axis of LED light source 200 is 6 ± 2 degree.After the second sidewall 120 reflects, the maximum angle of emergence being positioned at the light of the second sidewall 120 side can reach 10 ± 2 degree.Two locating dowels 190 are arranged near the second sidewall 120.
Angle between 4th sidewall 140 and optical axis is 35 ± 2 degree.After the 4th sidewall 140 reflects, the maximum angle of emergence being positioned at the light of the 4th sidewall 140 side can reach 50 ± 2 degree.LED light source 200 and the distance of the 4th sidewall 140 between one end of LED light source 200 are 2.74mm ± 0.05mm.
The light that LED light source 200 sends is the first side wall 110 and the 3rd sidewall 130 and optical axis included angle through the maximum angle of emergence of the light that the first side wall 110 and the 3rd sidewall 130 reflect.The maximum angle of emergence through the light of the second sidewall 120 reflection is less than the maximum angle of emergence of the light reflected through the 4th sidewall 140.
Concrete in the present embodiment, the light that LED light source 200 sends is 60 degree through the maximum angle of emergence of the light of the first side wall 110 and the reflection of the 3rd sidewall 130.Light reflects from light-emitting window 171 outgoing in the scope of 120 degree through the first side wall 110 and the 3rd sidewall 130.Light reflects through the second sidewall 120 and the 4th sidewall 140, and the maximum angle of emergence of light-emitting window 171 outgoing is 60 degree.Simulation LED lamp 10 is after polarisation reflector 100 luminous intensity distribution, and its corresponding light distribution is as Fig. 5.The most high illuminance recorded at 2 meters of test positions far away can reach 14lux.And this LED lamp 10 forms the hot spot of long 6 meters, wide 3 meters.And this LED lamp 10 Illumination Distribution is as Fig. 6 and Fig. 7.Therefore, in road curb lamp, practical application such as greening street lamp, garden landscape street lamp etc., above-mentioned LED lamp 10 has the luminous intensity distribution demands such as shadow surface is large, polarizing illumination, improves the utilization rate of luminous energy.
In above-mentioned LED lamp 10, the light that LED light source 200 sends is after the first side wall 110 and the reflection of the second sidewall 120, and shining angle is in the region of 120 degree.The light that LED light source 200 sends is after the second sidewall 120 and the reflection of the 4th sidewall 140, and shining angle is in the region of 60 degree.The light beam reflected to form with long side direction and the light beam reflected with short side direction mutually superpose and finally form the hot spot that one and half light intensity angles are 120 degree × 60 degree.Wherein, the hot spot of long side direction is 120 degree of symmetrical hot spots, and the hot spot of short side direction is asymmetrical polarisation.If be center line with optical axis, be 10 degree on the right of axis, the left side is 50 degree.Above-mentioned LED lamp 10 reaches by polarisation reflector 100 luminous intensity distribution that shadow surface is large, the polarisation requirement of polarizing illumination, and illumination is comparatively even, improves the efficiency of light energy utilization, and the light fixture being applicable to very much having polarisation requirement uses.
The above embodiment only have expressed several embodiment of the present invention, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.
Claims (10)
1. the polarisation reflector of a LED lamp, it is characterized in that, described polarisation reflector offers the reflection cavity of quadrangular frustum pyramid shaped, described reflection cavity comprises end to end the first side wall successively, second sidewall, 3rd sidewall and the 4th sidewall, the osculum end of described reflection cavity is light source hole, described light source hole is for accommodating LED light source, the big opening end of described reflection cavity is the light-emitting window of rectangle, described the first side wall and described 3rd sidewall are symmetrical arranged relative to described optical axis, described the first side wall and the angle between described 3rd sidewall and the axis of described light source hole equal, described second sidewall and described 4th sidewall are oppositely arranged, described second sidewall tilts towards the axis of described light source hole, described 4th sidewall dorsad described light source hole axis tilt, angle between described second sidewall and described optical axis is less than the angle between described 4th sidewall and described optical axis,
Wherein, the maximum angle of emergence through the light of described the first side wall or described 3rd sidewall reflects is described the first side wall or described 3rd sidewall and described optical axis included angle, and the maximum angle of emergence through the light of described second sidewall reflects is less than the maximum angle of emergence of the light through described 4th sidewall reflects.
2. the polarisation reflector of LED lamp according to claim 1, is characterized in that, the angle between described 4th sidewall and the axis of described light source hole is greater than three times of the angle between described second sidewall and the axis of described light source hole; Described the first side wall and the angle between described 3rd sidewall and the axis of described light source hole are less than two times of the angle between described 4th sidewall and the axis of described light source hole.
3. the polarisation reflector of LED lamp according to claim 2, it is characterized in that, angle between described second sidewall and the axis of described light source hole is 6 ± 2 degree, the maximum angle of emergence through the light of described second sidewall reflects is 10 ± 2 degree, angle between described 4th sidewall and the axis of described light source hole is 35 ± 2 degree, and the maximum angle of emergence through the light of described 4th sidewall reflects is 50 ± 2 degree.
4. the polarisation reflector of LED lamp according to claim 2, it is characterized in that, described the first side wall and the angle between described 3rd sidewall and the axis of described light source hole are 60 ± 2 degree, and the maximum angle of emergence through the light of described the first side wall and described 3rd sidewall reflects is 60 ± 2 degree.
5. the polarisation reflector of LED lamp according to claim 1, it is characterized in that, the relative both sides of the outer surface of described reflector are equipped with locating dowel, the outer surface of described locating dowel near one end of described big opening end with described reflector is fixedly connected with, and the other end of described locating dowel is provided with inner bolt hole.
6. the polarisation reflector of LED lamp according to claim 5, it is characterized in that, two described locating dowels are located at the outside of described the first side wall and described 3rd sidewall respectively, and described locating dowel is arranged near described second sidewall, described light source hole is near described second sidewall, and two described locating dowels and described light source hole are located along the same line.
7. a LED lamp, is characterized in that, comprising:
Polarisation reflector as described in claim 1 ~ 6 any one; And
Described LED light source, is contained in described light source hole, the axis of described light source hole and the optical axis coincidence of described LED light source, the light of described LED light source through described polarisation reflector reflects, from described light-emitting window outgoing.
8. LED lamp according to claim 7, it is characterized in that, described LED light source is arranged near described second sidewall, and described LED light source and the distance of described second sidewall near one end of described LED light source are less than described LED light source and the distance of described 4th sidewall near one end of described LED light source.
9. LED lamp according to claim 8, is characterized in that, described LED light source and the described the first side wall distance near one end of described LED light source is equal with the distance of described 3rd sidewall near one end of described LED light source with described LED light source.
10. the polarisation reflector of LED lamp according to claim 7, it is characterized in that, described LED light source comprises LED lamp bead and circuit board, and size and the shape of described circuit board and described light source accepting hole are identical, and the madial wall of described circuit board and described light source accepting hole is tightly connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410121104.8A CN104948940B (en) | 2014-03-27 | 2014-03-27 | LED lamp and its polarisation reflector |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410121104.8A CN104948940B (en) | 2014-03-27 | 2014-03-27 | LED lamp and its polarisation reflector |
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| CN104948940A true CN104948940A (en) | 2015-09-30 |
| CN104948940B CN104948940B (en) | 2019-05-17 |
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| CN201410121104.8A Active CN104948940B (en) | 2014-03-27 | 2014-03-27 | LED lamp and its polarisation reflector |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106764927A (en) * | 2016-12-17 | 2017-05-31 | 张清 | Reflection lampshade and LED street lamp |
| IT201700085455A1 (en) * | 2017-07-26 | 2019-01-26 | Emanuela Boron | DEVICE FOR BIOPHOTON TREATMENT. |
| CN112050168A (en) * | 2020-08-18 | 2020-12-08 | 赛尔富电子有限公司 | Anti-dazzle reflective cup and lamp with same |
| CN114110534A (en) * | 2020-08-27 | 2022-03-01 | 邓敏 | Reflecting assembly, reflecting light source device and lamp |
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| US20110273894A1 (en) * | 2006-01-05 | 2011-11-10 | Illumitex, Inc. | Separate Optical Device for Directing Light from an LED |
| US20120147589A1 (en) * | 2010-12-14 | 2012-06-14 | Todd Farmer | System for Providing a Directional LED Array |
| CN202613321U (en) * | 2012-03-03 | 2012-12-19 | 深圳市邦贝尔电子有限公司 | Light-emitting diode (LED) lamp light-reflecting cup and light-reflecting cover |
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| US20110273894A1 (en) * | 2006-01-05 | 2011-11-10 | Illumitex, Inc. | Separate Optical Device for Directing Light from an LED |
| CN101761808A (en) * | 2010-02-05 | 2010-06-30 | 海洋王照明科技股份有限公司 | LED lighting lamp |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106764927A (en) * | 2016-12-17 | 2017-05-31 | 张清 | Reflection lampshade and LED street lamp |
| IT201700085455A1 (en) * | 2017-07-26 | 2019-01-26 | Emanuela Boron | DEVICE FOR BIOPHOTON TREATMENT. |
| CN112050168A (en) * | 2020-08-18 | 2020-12-08 | 赛尔富电子有限公司 | Anti-dazzle reflective cup and lamp with same |
| CN114110534A (en) * | 2020-08-27 | 2022-03-01 | 邓敏 | Reflecting assembly, reflecting light source device and lamp |
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| Publication number | Publication date |
|---|---|
| CN104948940B (en) | 2019-05-17 |
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