CN204786162U - Asymmetric batwing-shaped light distribution curve lens and lamp with same - Google Patents
Asymmetric batwing-shaped light distribution curve lens and lamp with same Download PDFInfo
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- CN204786162U CN204786162U CN201520439868.1U CN201520439868U CN204786162U CN 204786162 U CN204786162 U CN 204786162U CN 201520439868 U CN201520439868 U CN 201520439868U CN 204786162 U CN204786162 U CN 204786162U
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- 238000009826 distribution Methods 0.000 title claims abstract description 58
- 239000000463 material Substances 0.000 claims abstract description 38
- 230000004907 flux Effects 0.000 claims description 53
- 239000011159 matrix material Substances 0.000 claims description 34
- 239000004743 Polypropylene Substances 0.000 claims description 10
- 229920001155 polypropylene Polymers 0.000 claims description 10
- -1 polypropylene Polymers 0.000 claims description 5
- 239000004814 polyurethane Substances 0.000 claims description 5
- 239000004576 sand Substances 0.000 claims description 5
- 229920003229 poly(methyl methacrylate) Polymers 0.000 claims description 4
- 239000004926 polymethyl methacrylate Substances 0.000 claims description 4
- 239000011521 glass Substances 0.000 claims description 3
- 150000004702 methyl esters Chemical class 0.000 claims description 3
- SBEQWOXEGHQIMW-UHFFFAOYSA-N silicon Chemical compound [Si].[Si] SBEQWOXEGHQIMW-UHFFFAOYSA-N 0.000 claims description 3
- 230000000903 blocking effect Effects 0.000 abstract 6
- 239000000758 substrate Substances 0.000 abstract 1
- 238000005286 illumination Methods 0.000 description 7
- 240000003380 Passiflora rubra Species 0.000 description 2
- 210000000007 bat wing Anatomy 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 239000012141 concentrate Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000004313 glare Effects 0.000 description 1
- 238000009827 uniform distribution Methods 0.000 description 1
Landscapes
- Lenses (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
The utility model discloses an asymmetric batwing-shaped light distribution curve lens and a lamp with the lens, which comprises a base material; the body is arranged on the substrate, a concave space is formed at the bottom of the body, the concave space defines a light inlet surface so that light can enter the light inlet surface through the concave space, a first light outlet surface is formed on the outer surface of the body, and the incident light can be emitted out of the first light outlet surface through the body; the first blocking body is adjacent to one side surface of the body, wherein the first light-emitting surface is adjacent to the first side wall of the first blocking body on the side surface of the body, the first blocking body forms a reflecting surface, and the reflecting surface is adjacent to the light-incident surface so as to reflect incident light to the first light-emitting surface; and a second blocking body adjacent to the other side surface of the body and opposite to the first blocking body, wherein the first light emitting surface is adjacent to the second side wall of the second blocking body at the other side surface of the body.
Description
[technical field]
The utility model relates to a kind of Optical devices, particularly relates to a kind of asymmetric bat aerofoil profile distribution curve flux lens and has the light fixture of described lens.
[background technology]
At present, the technology of light emitting diode (light-emitteddiode, LED) light fixture, towards the stage of fast development, has had the situation replacing conventional lamp gradually.The topmost difference of light fixture of LED lamp and lamp type is, the LED light source that LED lamp adopts, and by LED grain is sent, it is the effect of spot light.Due to the spot light characteristic of LED, in the design of LED lamp, how light source is reflected, become uniform light, one of design focal point becoming LED lamp to make this spot light to disperse.
The distribution in the rounded luminous lighting region of traditional light fixture system, and the region be positioned at immediately below light fixture, field of illumination forms middle partially bright uneven state, cause light cannot be incident to specific irradiation area, such as at the desk lamp of desktop, when desk lamp is arranged at front or the rear of desktop, on the desktop of its field of illumination not between front and rear, and the reader cannot being convenient to be sitting in rear can read on the desktop with uniform distribution of light, that is, irradiation light cannot completely within the scope of desktop.Moreover be such as street lighting, its street lamp not easily forms uniform irradiation by the other both sides of road towards road surface, that is, irradiation light cannot completely within the scope on road surface.Therefore, need to develop a kind of new-type Optical devices, to solve the problem of above-mentioned light uneven distribution.
[summary of the invention]
One of the utility model object is the light fixture providing a kind of asymmetric bat aerofoil profile distribution curve flux lens and have described lens, by the first block body being arranged at asymmetric bat aerofoil profile distribution curve flux lens one side, make incident ray be projeced into presumptive area, and incident ray is uniformly distributed.
For reaching above-mentioned purpose, one of the utility model preferred embodiment provides a kind of asymmetric bat aerofoil profile distribution curve flux lens, comprising: base material; Body, be arranged on described base material, and a matrix space is formed from the bottom of described body, described matrix definition space one light-entering surface, for a light via light-entering surface described in described matrix space incident, the outer surface of described body forms one first light output surface, and the light of described incidence is via the first light output surface described in described body outgoing; First block body, be arranged on described base material, described first block body adjoins a side of described body, the first side wall of wherein said first light output surface first block body described in the described flank abutment of described body, described first gear body forms a reflecting surface, described reflecting surface adjoins described light-entering surface, to reflect the light of described incidence to described first light output surface; And second block body, be arranged on described base material, described second block body adjoins the another side of described body and relative to described first block body, wherein said first light output surface adjoins the second sidewall of described second block body in the described another side of described body.
In one embodiment, the height of described first block body is greater than the height of described second block body.
In one embodiment, the height of described body is greater than the height of described second block body.
In one embodiment, the described light-entering surface of described body and described first light output surface are transparent surface.
In one embodiment, described light-entering surface and described first light output surface are smooth surface.
In one embodiment, the surface of described base material, described first block body and described second block body is opaque surface.
In one embodiment, described opaque surface is sand blasted surface.
In one embodiment, the outer surface of described first block body forms one second light output surface, and described second light output surface of described first block body adjoins described first light output surface.
In one embodiment, be datum level by the plane definition of the bottom of described matrix space and described body, the angle of described reflecting surface and described datum level is between 90 degree to 135 degree, and described angle corresponds to described body.
In one embodiment, the material of described asymmetric bat aerofoil profile distribution curve flux lens is the group being selected from PET (PET), polyurethane (PU), Merlon (PC), polypropylene (PP) form.
In one embodiment, be datum level by the plane definition of the bottom of described matrix space and described body, the geometric center in the region that described matrix space and described datum level join is defined as datum mark, straight line by described datum mark and perpendicular to described datum level is defined as reference axis, and described incidence surface surface is symmetrical or be asymmetric with described reference axis.
In one embodiment, described first light output surface is asymmetric with described reference axis.
One of the utility model preferred embodiment provides a kind of light fixture, comprising: asymmetric bat aerofoil profile distribution curve flux lens, comprising: a base material; One body, be arranged on described base material, and a matrix space is formed from the bottom of described body, described matrix definition space one light-entering surface, for a light via light-entering surface described in described matrix space incident, the outer surface of described body forms one first light output surface, and the light of described incidence is via the first light output surface described in described body outgoing; One first block body, be arranged on described base material, described first block body adjoins a side of described body, the first side wall of wherein said first light output surface first block body described in the described flank abutment of described body, described first gear body forms a reflecting surface, described reflecting surface adjoins described light-entering surface, to reflect the light of described incidence to described first light output surface; And one second block body, be arranged on described base material, described second block body adjoins the another side of described body and relative to described first block body, wherein said first light output surface adjoins the second sidewall of described second block body in the described another side of described body; One light source, is arranged at described asymmetric bat aerofoil profile distribution curve flux lens, in order to provide described light; And a light shield, be surrounded on around described asymmetric bat aerofoil profile distribution curve flux lens.
In one embodiment, the height of described first block body is greater than the height of described second block body.
In one embodiment, the height of described body is greater than the height of described second block body.
In one embodiment, the described light-entering surface of described body and described first light output surface are transparent surface.
In one embodiment, described light-entering surface and described first light output surface are smooth surface.
In one embodiment, the surface of described base material, described first block body and described second block body is opaque surface.
In one embodiment, described opaque surface is sand blasted surface.
In one embodiment, the outer surface of described first block body forms one second light output surface, and described second light output surface of described first block body adjoins described first light output surface.
In one embodiment, be datum level by the plane definition of the bottom of described matrix space and described body, the angle of described reflecting surface and described datum level is between 90 degree to 135 degree, and described angle corresponds to described body.
In one embodiment, the material of described asymmetric bat aerofoil profile distribution curve flux lens is the group being selected from PET (PET), polyurethane (PU), Merlon (PC), polypropylene (PP) form.
In one embodiment, be datum level by the plane definition of the bottom of described matrix space and described body, the geometric center in the region that described matrix space and described datum level join is defined as datum mark, straight line by described datum mark and perpendicular to described datum level is defined as reference axis, and described incidence surface surface is symmetrical or be asymmetric with described reference axis.
In one embodiment, described first light output surface is asymmetric with described reference axis.
[accompanying drawing explanation]
The utility model above-mentioned purpose, feature and advantage specifically will present with institute's accompanying drawings in conjunction with following detailed description in detail.
Fig. 1 illustrates the schematic perspective view according to asymmetric bat aerofoil profile distribution curve flux lens in the utility model embodiment.
Fig. 2 illustrates the partial cross sectional views according to along A-A ' line segment in the utility model Fig. 1.
Fig. 3 illustrates the oscillogram according to the distribution curve flux of asymmetric bat aerofoil profile distribution curve flux lens in the utility model embodiment.
Fig. 4 illustrates the oscillogram according to the equiluminous of asymmetric bat aerofoil profile distribution curve flux lens in the utility model embodiment.
Fig. 5 illustrates the schematic perspective view according to having the light fixture of asymmetric bat aerofoil profile distribution curve flux lens in the utility model embodiment.
Fig. 6 illustrates evenly to be projeced into the schematic diagram of desktop according to light fixture in the utility model embodiment.
[detailed description of the invention]
Illustrate the schematic perspective view according to asymmetric bat aerofoil profile distribution curve flux lens 100 in the utility model embodiment with reference to figure 1 and Fig. 2, Fig. 1, Fig. 2 illustrates according to the partial cross sectional views along A-A ' line segment in the utility model Fig. 1.Asymmetric bat aerofoil profile distribution curve flux lens 100 comprise base material 102, body 104, first block body 106 and the second block body 108.The group that the material of described asymmetric bat aerofoil profile distribution curve flux lens 100 forms for being selected from PET (PET), polyurethane (PU), Merlon (PC), polypropylene (PP), poly-sour methyl esters (Polymethylmethacrylate is called for short PMMA), glass and silicon (Silicon) material.
Body 104 is arranged on described base material 102, and form a matrix space 112 from the bottom 110 of described body 104, described matrix space 112 defines a light-entering surface 114, for a light L1, L2, L3 are via the incident described light-entering surface 114 in described matrix space 112, the outer surface of described body 104 forms one first light output surface 116a, the light L1 of described incidence, L2, L3 are via the first light output surface 116a described in the outgoing of described body 104.First block body 106 is arranged on described base material 102, described first block body 106 adjoins a side 118a of described body 104, wherein said first light output surface 116a adjoins the first side wall 120 of described first block body 106 at the described side 118a of described body 104, described first block body 106 forms a reflecting surface 122, described reflecting surface 122 adjoins described light-entering surface 114, to reflect the light L4 of described incidence, L5, L6 are to described first light output surface 116a.Second block body 108 is arranged on described base material 102, described second block body 108 adjoins the another side 118b of described body 104 and relative to described first block body 106, wherein said first light output surface 116a adjoins the second sidewall 124 of described second block body 108 in the another side of described body 104.
As shown in Figure 2, in one embodiment, the height H 1 of described first block body 106 is greater than the height H 2 of described second block body 108.The height of described body 104 is greater than the height H M of described second block body 108.
In one embodiment, the described light-entering surface 114 of described body 104 and described first light output surface 116a are transparent surface.Described light-entering surface 114 and described first light output surface 116a are smooth surface.The surface of described base material 102, described first block body 106 and described second block body 108 is opaque surface, and described opaque surface is sand blasted surface.
In one embodiment, the outer surface of described first block body 106 forms one second light output surface 116b, and the described second light output surface 116b of described first block body 106 adjoins described first light output surface 116a.In one embodiment, be datum level SS by described matrix space 112 and the plane definition of the bottom of described body 104, the angle α of described reflecting surface and described datum level is between 90 degree to 135 degree, and described angle corresponds to described body 104.Second light output surface 116b is such as a part of region of this first side wall 120.
In one embodiment, be datum level SS by described matrix space 112 and the plane definition of the bottom 110 of described body 104, the geometric center in the region that described matrix space 112 joins with described datum level SS is defined as datum mark SO, straight line by described datum mark SO and perpendicular to described datum level SS is defined as reference axis SA, described incidence surface surface 114 is symmetrical or be asymmetric with described reference axis SA, herein, incidence surface surface 114 is symmetrical in reference axis SA.In one embodiment, described first light output surface 116a is asymmetric with described reference axis SA.
The oscillogram according to the distribution curve flux of asymmetric bat aerofoil profile distribution curve flux lens 100 in the utility model embodiment is illustrated with reference to figure 2 and Fig. 3, Fig. 3.As shown in the distribution curve flux C1 of Fig. 3, asymmetric bat aerofoil profile distribution curve flux lens 100 are at the distribution curve flux C1 of section SR, and its lighting angle has wider illumination zone between 0 degree to 60 degree, such as, be rectangular illuminating area R (as shown in Figure 6).In other words, distribution curve flux C1 forms asymmetrical bat wing light shape, makes light concentrate on the position, lower left of asymmetric bat aerofoil profile distribution curve flux lens 100, forms rectangular illuminating area.With reference to figure 4, it illustrates the oscillogram according to the equiluminous of asymmetric bat aerofoil profile distribution curve flux lens 100 in the utility model embodiment.In one embodiment, the made light of asymmetric bat aerofoil profile distribution curve flux lens 100 has the equal illumination of 680Lux within the scope of 30cm width and 40cm length, makes light form uniform Illumination Distribution in the position, lower left of asymmetric bat aerofoil profile distribution curve flux lens 100.
With reference to figure 5, it illustrates the schematic perspective view according to having the light fixture 500 of asymmetric bat aerofoil profile distribution curve flux lens in the utility model embodiment.Light fixture 500 comprises asymmetric bat aerofoil profile distribution curve flux lens 100, light source 200 and light shield 300.Asymmetric bat aerofoil profile distribution curve flux lens 100 comprise base material 102, body 104, first block body 106 and the second block body 108.Body 104 is arranged on described base material 102, and form a matrix space 112 from the bottom 110 of described body 104, described matrix space 112 defines a light-entering surface 114, for a light L1, L2, L3 are via the incident described light-entering surface 114 in described matrix space 112, the outer surface of described body 104 forms one first light output surface 116a, the light L1 of described incidence, L2, L3 are via the first light output surface 116a described in the outgoing of described body 104.First block body 106 is arranged on described base material 102, described first block body 106 adjoins a side 118a of described body 104, wherein said first light output surface 116a adjoins the first side wall 120 of described first block body 106 at the described side 118a of described body 104, described first block body 106 forms a reflecting surface 122, described reflecting surface 122 adjoins described light-entering surface 114, to reflect the light L4 of described incidence, L5, L6 are to described first light output surface 116a.Second block body 108 is arranged on described base material 102, described second block body 108 adjoins the another side of described body 104 and relative to described first block body 106, wherein said first light output surface 116a adjoins the second sidewall 124 of described second block body 108 in the another side of described body 104.Light source 200 is arranged in described asymmetric bat aerofoil profile distribution curve flux lens 100, and be such as be arranged in matrix space 112, light source 200 is in order to provide described light, and light source 200 is formula light emitting diode (light-emitteddiode, LED) such as.Light shield 300 is surrounded on described asymmetric bat aerofoil profile distribution curve flux lens 100 around.
With reference to figure 6, it illustrates and is evenly projeced into the schematic diagram of desktop according to light fixture in the utility model embodiment.Light fixture of the present utility model is through asymmetric bat wing light shape, example is the light fixture being applied to desk lamp, the light in dead astern is converged in the desktop of required illumination, make light project again and present rectangular illuminating area R on the whole, projection surface entirety can be made to reach uniformity, briliancy and illumination uniformity, and there is the function preventing direct glare, reading and service property (quality) can be promoted.
In sum, the asymmetric bat aerofoil profile distribution curve flux lens of the utility model and there is the light fixture of described asymmetric bat aerofoil profile distribution curve flux lens, by the first block body being arranged at asymmetric bat aerofoil profile distribution curve flux lens one side, incident ray is made to be projeced into presumptive area, such as form rectangular area, and incident ray is uniformly distributed.
The above is only the preferred embodiments 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 also should be considered as protection scope of the present invention.
Claims (24)
1. asymmetric bat aerofoil profile distribution curve flux lens, is characterized in that, comprising:
One base material;
One body, be arranged on described base material, and a matrix space is formed from the bottom of described body, described matrix definition space one light-entering surface, for a light via light-entering surface described in described matrix space incident, the outer surface of described body forms one first light output surface, and the light of described incidence is via the first light output surface described in described body outgoing;
One first block body, be arranged on described base material, described first block body adjoins a side of described body, the first side wall of wherein said first light output surface first block body described in the described flank abutment of described body, described first gear body forms a reflecting surface, described reflecting surface adjoins described light-entering surface, to reflect the light of described incidence to described first light output surface; And
One second block body, is arranged on described base material, and described second block body adjoins the another side of described body and relative to described first block body, wherein said first light output surface adjoins the second sidewall of described second block body in the described another side of described body.
2. asymmetric bat aerofoil profile distribution curve flux lens according to claim 1, it is characterized in that, the height of described first block body is greater than the height of described second block body.
3. asymmetric bat aerofoil profile distribution curve flux lens according to claim 1, it is characterized in that, the height of described body is greater than the height of described second block body.
4. asymmetric bat aerofoil profile distribution curve flux lens according to claim 1, it is characterized in that, described light-entering surface and described first light output surface of described body are transparent surface.
5. asymmetric bat aerofoil profile distribution curve flux lens according to claim 1, it is characterized in that, described light-entering surface and described first light output surface are smooth surface.
6. asymmetric bat aerofoil profile distribution curve flux lens according to claim 1, it is characterized in that, the surface of described base material, described first block body and described second block body is opaque surface.
7. asymmetric bat aerofoil profile distribution curve flux lens according to claim 6, it is characterized in that, described opaque surface is sand blasted surface.
8. asymmetric bat aerofoil profile distribution curve flux lens according to claim 1, is characterized in that, the outer surface of described first block body forms one second light output surface, and described second light output surface of described first block body adjoins described first light output surface.
9. asymmetric bat aerofoil profile distribution curve flux lens according to claim 1, be wherein datum level by the plane definition of the bottom of described matrix space and described body, the angle of described reflecting surface and described datum level is between 90 degree to 135 degree, and described angle corresponds to described body.
10. asymmetric bat aerofoil profile distribution curve flux lens according to claim 1, it is characterized in that, the material of described asymmetric bat aerofoil profile distribution curve flux lens is the group being selected from PET (PET), polyurethane (PU), Merlon (PC), polypropylene (PP), poly-sour methyl esters (PMMA), glass and silicon (Silicon) material form.
11. asymmetric bat aerofoil profile distribution curve flux lens according to claim 1, it is characterized in that, be datum level by the plane definition of the bottom of described matrix space and described body, the geometric center in the region that described matrix space and described datum level join is defined as datum mark, straight line by described datum mark and perpendicular to described datum level is defined as reference axis, and described incidence surface surface is symmetrical or be asymmetric with described reference axis.
12. according to the asymmetric bat aerofoil profile distribution curve flux lens described in claim 11, and it is characterized in that, described first light output surface is asymmetric with described reference axis.
13. 1 kinds of light fixtures, is characterized in that, comprising:
One asymmetric bat aerofoil profile distribution curve flux lens, comprising:
One base material;
One body, be arranged on described base material, and a matrix space is formed from the bottom of described body, described matrix definition space one light-entering surface, for a light via light-entering surface described in described matrix space incident, the outer surface of described body forms one first light output surface, and the light of described incidence is via the first light output surface described in described body outgoing;
One first block body, be arranged on described base material, described first block body adjoins a side of described body, the first side wall of wherein said first light output surface first block body described in the described flank abutment of described body, described first gear body forms a reflecting surface, described reflecting surface adjoins described light-entering surface, to reflect the light of described incidence to described first light output surface; And
One second block body, is arranged on described base material, and described second block body adjoins the another side of described body and relative to described first block body, wherein said first light output surface adjoins the second sidewall of described second block body in the described another side of described body;
One light source, is arranged at described asymmetric bat aerofoil profile distribution curve flux lens, in order to provide described light; And
One light shield, is surrounded on around described asymmetric bat aerofoil profile distribution curve flux lens.
14., according to the light fixture described in claim 13, is characterized in that, the height of described first block body is greater than the height of described second block body.
15., according to the light fixture described in claim 13, is characterized in that, the height of described body is greater than the height of described second block body.
16., according to the light fixture described in claim 13, is characterized in that, described light-entering surface and described first light output surface of described body are transparent surface.
17., according to the light fixture described in claim 13, is characterized in that, described light-entering surface and described first light output surface are smooth surface.
18., according to the light fixture described in claim 13, is characterized in that, the surface of described base material, described first block body and described second block body is opaque surface.
19., according to the light fixture described in claim 18, is characterized in that, described opaque surface is sand blasted surface.
20., according to the light fixture described in claim 13, is characterized in that, the outer surface of described first block body forms one second light output surface, and described second light output surface of described first block body adjoins described first light output surface.
21. according to the light fixture described in claim 13, it is characterized in that, be datum level by the plane definition of the bottom of described matrix space and described body, the angle of described reflecting surface and described datum level is between 90 degree to 135 degree, and described angle corresponds to described body.
22. according to the light fixture described in claim 13, it is characterized in that, the material of described asymmetric bat aerofoil profile distribution curve flux lens is the group being selected from PET (PET), polyurethane (PU), Merlon (PC), polypropylene (PP), poly-sour methyl esters (PMMA), glass and silicon (Silicon) material form.
23. according to the light fixture described in claim 13, it is characterized in that, be datum level by the plane definition of the bottom of described matrix space and described body, the geometric center in the region that described matrix space and described datum level join is defined as datum mark, straight line by described datum mark and perpendicular to described datum level is defined as reference axis, and described incidence surface surface is symmetrical or be asymmetric with described reference axis.
24., according to the light fixture described in claim 23, is characterized in that, described first light output surface is asymmetric with described reference axis.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW104208889U TWM515113U (en) | 2015-06-04 | 2015-06-04 | Optical element and lamp structure thereof |
| TW104208889 | 2015-06-04 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204786162U true CN204786162U (en) | 2015-11-18 |
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ID=54526208
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520439868.1U Active CN204786162U (en) | 2015-06-04 | 2015-06-24 | Asymmetric batwing-shaped light distribution curve lens and lamp with same |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN204786162U (en) |
| TW (1) | TWM515113U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106402798A (en) * | 2016-11-15 | 2017-02-15 | 华中科技大学 | Lens for illumination of LED lamp |
| CN108799904A (en) * | 2017-04-26 | 2018-11-13 | 上海广中电子电器配件有限公司 | Projection light source structure with light ray adjusting device |
| CN110007378A (en) * | 2019-04-08 | 2019-07-12 | 惠州市华星光电技术有限公司 | A kind of asymmetric lens |
-
2015
- 2015-06-04 TW TW104208889U patent/TWM515113U/en unknown
- 2015-06-24 CN CN201520439868.1U patent/CN204786162U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106402798A (en) * | 2016-11-15 | 2017-02-15 | 华中科技大学 | Lens for illumination of LED lamp |
| CN106402798B (en) * | 2016-11-15 | 2019-05-21 | 华中科技大学 | A kind of lens for LED light illumination |
| CN108799904A (en) * | 2017-04-26 | 2018-11-13 | 上海广中电子电器配件有限公司 | Projection light source structure with light ray adjusting device |
| CN110007378A (en) * | 2019-04-08 | 2019-07-12 | 惠州市华星光电技术有限公司 | A kind of asymmetric lens |
| CN110007378B (en) * | 2019-04-08 | 2020-12-25 | 惠州市华星光电技术有限公司 | Asymmetric lens |
Also Published As
| Publication number | Publication date |
|---|---|
| TWM515113U (en) | 2016-01-01 |
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