CN108253381A - A kind of lens and the light-emitting device including the lens - Google Patents
A kind of lens and the light-emitting device including the lens Download PDFInfo
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- CN108253381A CN108253381A CN201810206164.8A CN201810206164A CN108253381A CN 108253381 A CN108253381 A CN 108253381A CN 201810206164 A CN201810206164 A CN 201810206164A CN 108253381 A CN108253381 A CN 108253381A
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- 230000000694 effects Effects 0.000 description 8
- 238000005286 illumination Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 3
- 241001465382 Physalis alkekengi Species 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 239000006117 anti-reflective coating Substances 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
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- 230000011514 reflex Effects 0.000 description 1
- 238000009738 saturating Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Classifications
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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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S2/00—Systems of lighting devices, not provided for in main groups F21S4/00 - F21S10/00 or F21S19/00, e.g. of modular construction
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Lenses (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
The present invention is suitable for optical technical field, provide a kind of lens, lens body including sheet, the light-emitting surface set on the first face of lens body, the incidence surface in the second face set on lens body and the reflecting surface for carrying out secondary reflection, reflecting surface are set around incidence surface；Second face offers multistage groove, and incidence surface is formed in the inner surface of multistage groove；Incidence surface is including ring connects and with the first incidence surface, the second incidence surface and third incidence surface of central shaft successively from inside to outside, second incidence surface is tilted by the outer side edges of the first incidence surface backwards to light-emitting surface to be extended, third incidence surface is tilted by the outer side edges of the second incidence surface backwards to light-emitting surface to be extended, third incidence surface is more than angle of second incidence surface with respect to central shaft with respect to the angle of central shaft, and the outer side edges of third incidence surface are connected with reflecting surface.By the design of above-mentioned first, second, third incidence surface, can to realize that lens thickness is thinned in the case that the lens are uniform in output intensity and angle is controllable.
Description
Technical field
The invention belongs to optical technical field, more particularly to a kind of lens and the light-emitting device including the lens.
Background technology
Lens are the important devices of various lamps and lanterns, commonly used in being adjusted to the light beam that light source is sent out, are met with exporting
It is required that light beam, such as light emitting angle, light spot shape and hot spot uniformity etc..Relatively common LED light device is frequently with saturating
Mirror carries out light distribution, and light is adjusted to predetermined angular requirement, needs the plane of incidence to lens and outgoing by traditional light-distribution lens
The shape in face is designed, and light is required in lens to there is certain stroke can be only achieved the light distribution effect, in order to protect
Confirm existing ideal light distribution effect, the thickness of lens is usually larger, this causes the device of some requirement miniaturizations to be difficult to further
Compression volume limits the application of lens.
Invention content
The purpose of the present invention is to provide a kind of lens, it is intended to solve conventional lenses and be difficult to meet light distribution requirements simultaneously and subtract
The technical issues of small thickness.
The invention is realized in this way a kind of lens, the lens body including sheet, first set on the lens body
The light-emitting surface in face, the incidence surface set on the second face of the lens body and the second face set on the lens body are used for
The reflecting surface of secondary reflection is carried out to the light of light-emitting surface reflection, the reflecting surface is set around the incidence surface；The lens sheet
Second face of body offers multistage groove, and the incidence surface is formed in the inner surface of the multistage groove；The incidence surface includes
Ring connects and enters light with the first incidence surface, the second incidence surface and third incidence surface of central shaft, described second successively from inside to outside
Face is tilted by the outer side edges of first incidence surface backwards to the light-emitting surface to be extended, and the third incidence surface enters light by described second
The outer side edges in face are tilted backwards to the light-emitting surface to be extended, and the angle of the relatively described central shaft of third incidence surface is more than described the
The angle of the relatively described central shaft of two incidence surfaces, the outer side edges of the third incidence surface are connected with the reflecting surface.
Further, first incidence surface is projected as circle on the light-emitting surface, second incidence surface, described
The projection of third incidence surface and the reflecting surface on the light-emitting surface is circular ring shape.
Further, the junction of first incidence surface and the second incidence surface forms the " V " shape for being directed toward the light-emitting surface
Slot, the angle of the " V " shape slot is 30 ゜ -90 ゜.
Further, the longitudinal section of the reflecting surface is the arc backwards to light-emitting surface protrusion.
Further, the longitudinal section of first incidence surface is the arc backwards to light-emitting surface protrusion.
Further, first incidence surface includes being set to the even surface in center and be set to around the even surface
First flank of tooth, the even surface and the same central shaft of first flank of tooth；First flank of tooth includes at least two backwards to the light-emitting surface
The first crown for being used to carry out light catadioptric of extension.
Further, the third incidence surface includes the third flank of tooth, and the third flank of tooth includes at least two backwards to described
The third crown for being used to carry out light catadioptric of light-emitting surface extension.
Further, flat-top annulus, the flat-top annulus and institute are equipped between the third incidence surface and the reflecting surface
State that light-emitting surface is parallel, light source is set to the notch center of the multistage groove, and the luminous point of the light source and the flat-top ring
Band is in same plane.
Further, the light-emitting surface is plane.
Another object of the present invention is to provide a kind of light-emitting device, including lens described in any one of the above embodiments and setting
Light source in the notch center of the multistage groove.
Lens provided by the invention have the advantages that：
Light source is set at the notch position of multistage groove, and the light that light source is sent out is by the first incidence surface, the second incidence surface
Lens body is injected with third incidence surface, wherein, through the light that the first incidence surface is injected by the first incidence surface and light-emitting surface
Refraction ensures the intensity and the uniformity of central light strength；It is injected through the second incidence surface in the light of lens body, it is most of by going out
Smooth surface carries out primary event to reflecting surface, and is projected after reflecting surface secondary reflection by light-emitting surface；It is penetrated through third incidence surface
The light entered largely have passed through the refraction of third incidence surface and light-emitting surface, control ambient light intensity and the uniformity and
Beam emissions angle.This secondary reflection combines the catadioptric of above-mentioned first incidence surface, the second incidence surface and third incidence surface, can be with
So that the lens are uniform in output intensity and realize that lens thickness is thinned in the case that angle is controllable.
Description of the drawings
Fig. 1 is the dimensional structure diagram of lens provided in an embodiment of the present invention；
Fig. 2 is the dimensional structure diagram of lens that a kind of embodiment of the present invention provides；
Fig. 3 is the sectional view of lens that a kind of embodiment of the present invention provides；
Fig. 4 is the index path of lens that a kind of embodiment of the present invention provides；
Fig. 5 is the dimensional structure diagram of lens that another embodiment of the present invention provides；
Fig. 6 is the vertical view of lens that another embodiment of the present invention provides；
Fig. 7 is the sectional view of lens that another embodiment of the present invention provides；
Fig. 8 is the index path of lens that another embodiment of the present invention provides；
Fig. 9 is provided in an embodiment of the present invention apart from hot spot design sketch at 1 meter of light source；
Figure 10 is provided in an embodiment of the present invention apart from light spot illumination distribution map at 1 meter of light source；
Figure 11 is provided in an embodiment of the present invention apart from hot spot design sketch at 0.5 meter of light source；
Figure 12 is provided in an embodiment of the present invention apart from light spot illumination distribution map at 0.5 meter of light source；
The lens illumination effect figure that Figure 13 is people provided in an embodiment of the present invention to be seen at 0.25 meter of light source；
Figure 14 is hot spot when lens light gathering angle provided in an embodiment of the present invention is 14.1 degree and floodlight angle is 30 degree
Design sketch.
Specific embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, with reference to the accompanying drawings and embodiments, it is right
The present invention is further elaborated.It should be appreciated that specific embodiment described herein is only to explain the present invention, not
For limiting the present invention.
It should be noted that when component is referred to as " being fixed on " or " being set to " another component, it can directly or
It connects on another component.When a component is referred to as " being connected to " another component, it can be directly or indirectly
It is connected on another component.Term " on ", " under ", "left", "right", "front", "rear", " vertical ", " level ", " top ",
The orientation or position of the instructions such as " bottom ", " interior ", " outer " are based on orientation shown in the drawings or position, are for only for ease of description,
It is not intended that the limitation to the technical program.Term " first ", " second " are used merely to facilitate description purpose, and it is not intended that
Indicate or imply relative importance or the implicit quantity for indicating technical characteristic." multiple " are meant that two or more,
Unless otherwise specifically defined.
In order to illustrate technical solutions according to the invention, it is described in detail below in conjunction with specific accompanying drawings and embodiments.
It please referring to Fig.1 to Fig.4, the embodiment of the present invention provides a kind of lens, for being adjusted to the light that light source is sent out,
Make the light intensity of outgoing uniformly and meet corresponding angle requirement, also, compared to traditional lens thickness smaller.The lens
Lens body 10 including sheet, the light-emitting surface 20 set on the first face of lens body 10, the second face set on lens body 10
Incidence surface 30 and be used for the anti-of light reflect to light-emitting surface 20 progress secondary reflection set on the second face of lens body 10
Face 40 is penetrated, reflecting surface 40 is set around incidence surface 30.Lens body 10 be a translucent material make entity structure, the first face and
Second face is two opposite faces, it will be understood that side 50 can be equipped between the outer edge in the first face and the second face, another
In one embodiment, the outer edge in the first face and the second face can also be connected directly.Second face of lens body 10 offers more
Rank groove, multistage groove refer to the annular chamfer of the inner wall of the groove for multiple and different angles along 10 central shaft of lens body
Direction is at an angle of the inner wall that the longitudinal section that connection is formed is fold-line-shaped rather than linear inner wall or arc line shaped inner wall successively.
Above-mentioned incidence surface 30 is the inner surface for being formed in the multistage groove, i.e., incidence surface 30 is multistage incidence surface 30.Specifically, this enters light
Face 30 is including ring connects and with the first incidence surface 31, the second incidence surface 32 and third incidence surface of central axis L successively from inside to outside
33, wherein, the second incidence surface 32 tilts extension by the outer side edges of the first incidence surface 31 backwards to light-emitting surface 20, third incidence surface 33 by
The outer side edges of second incidence surface 32 are tilted backwards to light-emitting surface 20 to be extended, and the angle of third incidence surface 33 and central axis L is more than second
The angle of incidence surface 32 and central axis L, the outer side edges and reflecting surface 40 of third incidence surface 33 connect, and the outer edge of reflecting surface 40 can
To connect with side 50 or be connected with light-emitting surface 20.In one embodiment, above-mentioned first incidence surface 31, the second incidence surface
32nd, third incidence surface 33 and light-emitting surface 20 can be directly based upon the surface of lens body 10 and be formed, i.e. the surface of lens body 10
Scheduled structure is directly processed into, that is, obtains above-mentioned first incidence surface 31, the second incidence surface 32, third incidence surface 33 and light extraction
Face 20, in another embodiment, setting is corresponding anti-reflection after predetermined shape can also be processed on the surface of lens body 10
Film or Anti-reflective coating etc. form above-mentioned first incidence surface 31, the second incidence surface 32, third incidence surface 33 and light-emitting surface 20.Reflecting surface
40 peripheral part by the multistage groove in the second face of lens body 10 set reflectance coating to be formed.
In the lens, light source 60 is set at the notch position of multistage groove, the light that light source 60 is sent out passes through incidence surface
30 inject lens body 10, that is, the light that light source 60 is sent out can enter by the first incidence surface 31, the second incidence surface 32 and third
Smooth surface 33 injects lens body 10.Wherein, it is injected through the second incidence surface 32 in the light of lens body 10, a part passes through light extraction
Face 20 carries out primary event to reflecting surface 40, and is projected after 40 secondary reflection of reflecting surface by light-emitting surface 20, this secondary
Reflection combines above-mentioned first incidence surface 31, the catadioptric of the second incidence surface 32 and third incidence surface 33 can enable the lens
It exports uniform light and the thickness of lens is enable to be thinned.
The operation principle of the lens is as follows：With reference to figure 3 and Fig. 4, light source 60 is positioned at the notch center of multistage groove, light
In the light that source 60 is sent out, the first light beam L1 close to 30 central axis L of incidence surface injects lens body by the first incidence surface 31
10, this portions incident angle is smaller, is largely directly over light-emitting surface 20 and reflects away；Slightly larger compared with the first light beam L1 incidence angles
Two light beam L2 inject lens body 10 by the second incidence surface 32, and a part of light L21 therein is with smaller incidence angle directive
Light-emitting surface 20 is reflected away by light-emitting surface 20, and another part light L22 is being gone out with larger incident angle directive light-emitting surface 20
It is totally reflected at smooth surface 20 and reflexes to reflecting surface 40, reflected away after the reflection of reflecting surface 40 using light-emitting surface 20.
The third light beam L3 of angle maximum injects lens body 10, most of folding for passing through third incidence surface 33 by third incidence surface 33
It is projected after penetrating by light-emitting surface 20, it is of course also possible to there is some light to be projected again by light-emitting surface 20 after the reflection of reflecting surface 40.
By the secondary reflection of the first incidence surface 31, the refraction of the second incidence surface 32 and third incidence surface 33 and reflecting surface 40, make light
The optically focused angle and floodlight angle of beam are effectively controlled, and make hot spot more uniform.
Importantly, the lens can realize sufficient secondary reflection, this secondary reflection causes light angle and uniformly
Degree is adequately adjusted so that even intensity is in the case of same thickness in certain beam angle for emergent ray, using more
Rank groove is formed incidence surface 30 and is compared with using traditional generic grooves formation incidence surface 30, the lens light distribution of the multistage fluted body
Effect is more preferable, and then, in the case where realizing identical light distribution effect, the thickness of the lens can be thinner.
According to detection, a diameter of 20mm is made, the lens that emergent light angle is 10 ゜, lens height (thickness) is controllable
In 3~4mm, and the thickness of ordinary lens then needs 7~9mm.
Referring to the light distribution effect figure shown in Fig. 9 to Figure 14, wherein, Fig. 9 and Figure 10 illustrate the hot spot at light source 1m
Design sketch and Illumination Distribution figure；Figure 11 and Figure 12 illustrates the hot spot design sketch and Illumination Distribution figure at light source 0.5m；It can
See light spot shape rule, uniform-illumination.Figure 13 illustrates the lens illumination effect that people sees at light source 250mm, it is seen that should
The improvement of visual effect of lens is preferable, and human eye perceived brightness is uniform, without dazzling.Figure 14 illustrates a kind of design sketch of lens, the lens
Maximum transmission rate is 81%, and lens light gathering angle (half light intensity full-shape) is 14.1 degree, and floodlight angle (1/10 light intensity full-shape) is 30
Degree, center light intensity values are 3762cd/600lm, it is seen that the lens flare brightness uniformity is good, and hot spot edged intensity is by property
Good, the efficiency of light energy utilization is high.
In the present embodiment, first incidence surface 31, the second incidence surface 32, third incidence surface 33 and reflecting surface 40 are by interior
What outside ring successively connect, it is preferable that the first incidence surface 31 is projected as circle, the second incidence surface 32, third on light-emitting surface 20
The projection of incidence surface 33 and reflecting surface 40 on the light-emitting surface 20 is circular ring shape.The central axis L of incidence surface 30 is perpendicular to
The center of one incidence surface 31.
Further with reference to figure 3, the angle of inclination of the first incidence surface 31, the second incidence surface 32 and third incidence surface 33 is respectively not
It is identical, fold-line-shaped connection structure is formed, wherein, the intersecting part of the first incidence surface 31 and the second incidence surface 32 forms " V " shape slot
Structure, the angle of " V " shape slot structure is 30 ゜ -90 ゜.This 30 structure of incidence surface will by processes such as catadioptric and secondary reflections
Central light strength homogenizes and enhances the intensity of peripheral dark region, makes hot spot uniform, while makes beam angle constraint in a certain range.
Further with reference to figure 3, be equipped with flat-top annulus 70 between third incidence surface 33 and reflecting surface 40, flat-top annulus 70 with
Light-emitting surface 20 is parallel, and light source 60 is set to the notch center of multistage groove and luminous point is in same flat with the flat-top annulus 70
Face.The flat-top annulus 70 is set, is on the one hand conducive to the positioning of light source 60, is on the other hand conducive to dress of the lens in lamps and lanterns
Match.
It is further preferred that the longitudinal section of reflecting surface 40 is the arc backwards to 20 protrusion of light-emitting surface, the first incidence surface 31
Longitudinal section is the arc backwards to 20 protrusion of light-emitting surface, and light-emitting surface 20 is planar shaped, predetermined for light extension to be limited in simultaneously
Angle in, make hot spot brightness uniformity and size reach requirement, while convenient for manufacture.
Scheme as an improvement of this embodiment, the first incidence surface 31 are made of two-part structure, with reference to figure 5 to Fig. 8,
That is, even surface 311 and first flank of tooth 312 around even surface 311 that first incidence surface 31 includes centrally located region,
311 and first flank of tooth 312 of even surface has common center axle L, and even surface 311 is preferably the arc backwards to 20 protrusion of light-emitting surface
Face, first flank of tooth 312 then include at least two the first crowns for being used to carry out light catadioptric extended backwards to light-emitting surface 20
3121, that is, first flank of tooth 312 is that the convex ridge structure of the circular ring shape connect by two or more inner and outer rings is formed.Such as Fig. 7 and Fig. 8,
By setting the first crown 3121, center can be increased by light more controllablely more uniformly and angle projects away
The uniformity of light intensity.
Preferably, the direction of the first crown 3121 is biased to the direction of central axis L, is advantageously implemented the adjusting of central light strength.
As further improvement of this embodiment scheme, third incidence surface 33 includes the third flank of tooth 331, the third flank of tooth
331 include at least two backwards to light-emitting surface 20 extend for being reflected to light or the third crown 3311 of catadioptric.Together
Sample, the third flank of tooth 331 is that the convex ridge structure of the circular ring shape connect by two or more inner and outer rings is formed.Such as Fig. 7 and Fig. 8, by
Third incidence surface 33 injects the light of lens body 10, lens body 10 is refracted by third crown 3311, wherein one
Lens are projected in part by light-emitting surface 20, some light is after the reflection of other third crowns 3311 using light extraction
Lens are projected in face 20, and this catadioptric causes high angle scattered light to be able to be gathered, and then control the beam angle and of emergent light
Even property.Certainly, enter by third crown 3311 in the light of lens body 10, however not excluded that have some light that can invest reflection
Face 40, then light-emitting surface 20 is reflexed to by reflecting surface 40, by the angle of the still controllable emergent light of the reflection of reflecting surface 40, make light
It concentrates in scheduled angle.
Preferably, third crown 3311 direction be biased to central axis L direction, be advantageously implemented periphery light intensity adjusting and
The control of beam angle.
It is further preferred that the quantity of the first crown 3121 is two to four, the quantity of third crown 3311 is three to five
It is a, it disclosure satisfy that the requirement of light allotment and convenient for manufacture.
Said lens can be used in the various light-emitting devices for needing lens light distribution, such as LED lamp, the light-emitting device also exist
In protection scope of the present invention.The light-emitting device includes light source 60, is set to the notch center of multistage groove.Further, should
The center of plane where the centre of luminescence of light source 60 is located at notch, in order to ensure better light distribution with 30 respective outer side edges of incidence surface
Effect.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
All any modification, equivalent and improvement made within refreshing and principle etc., should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of lens, which is characterized in that the lens body including sheet, the light extraction set on the first face of the lens body
Face, the incidence surface set on the second face of the lens body and the second face set on the lens body are used for light-emitting surface
The light of reflection carries out the reflecting surface of secondary reflection, and the reflecting surface is set around the incidence surface；The second of the lens body
Face offers multistage groove, and the incidence surface is formed in the inner surface of the multistage groove；The incidence surface is included from inside to outside
Ring connects successively and with the first incidence surface, the second incidence surface and third incidence surface of central shaft, second incidence surface is by described
The outer side edges of first incidence surface backwards to the light-emitting surface tilt extend, the third incidence surface by second incidence surface outside
Extend while being tilted backwards to the light-emitting surface, the angle of the relatively described central shaft of third incidence surface is more than second incidence surface
The angle of relatively described central shaft, the outer side edges of the third incidence surface are connected with the reflecting surface.
2. lens as described in claim 1, which is characterized in that first incidence surface is projected as justifying on the light-emitting surface
Shape, second incidence surface, the projection of the third incidence surface and the reflecting surface on the light-emitting surface are circular ring shape.
3. lens as claimed in claim 1 or 2, which is characterized in that the junction of first incidence surface and the second incidence surface
The " V " shape slot for being directed toward the light-emitting surface is formed, the angle of the " V " shape slot is 30 ゜ -90 ゜.
4. lens as claimed in claim 1 or 2, which is characterized in that the longitudinal section of the reflecting surface is backwards to the light-emitting surface
The arc of protrusion.
5. lens as claimed in claim 1 or 2, which is characterized in that the longitudinal section of first incidence surface is to go out described in
The arc of smooth surface protrusion.
6. lens as claimed in claim 1 or 2, which is characterized in that first incidence surface includes being set to the smooth of center
Face and first flank of tooth being set to around the even surface, the even surface and the same central shaft of first flank of tooth；First flank of tooth
The first crown for being used to carry out light catadioptric extended including at least two backwards to the light-emitting surface.
7. lens as claimed in claim 6, which is characterized in that the third incidence surface includes the third flank of tooth, the third tooth
Face includes at least two backwards to light-emitting surface extension for the third crown to light progress catadioptric.
8. lens as claimed in claim 1 or 2, which is characterized in that be equipped between the third incidence surface and the reflecting surface
Flat-top annulus, the flat-top annulus is parallel with the light-emitting surface, and light source is set to the notch center of the multistage groove, and described
The luminous point of light source is in same plane with the flat-top annulus.
9. lens as claimed in claim 1 or 2, which is characterized in that the light-emitting surface is plane.
10. a kind of light-emitting device, which is characterized in that including claim 1 to 9 any one of them lens and be set to described
The light source at the notch center of multistage groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810206164.8A CN108253381B (en) | 2018-03-13 | 2018-03-13 | Lens and light-emitting device comprising same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810206164.8A CN108253381B (en) | 2018-03-13 | 2018-03-13 | Lens and light-emitting device comprising same |
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| Publication Number | Publication Date |
|---|---|
| CN108253381A true CN108253381A (en) | 2018-07-06 |
| CN108253381B CN108253381B (en) | 2024-06-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810206164.8A Active CN108253381B (en) | 2018-03-13 | 2018-03-13 | Lens and light-emitting device comprising same |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109458575A (en) * | 2019-01-08 | 2019-03-12 | 广东省半导体产业技术研究院 | Luminescent device light guiding lens and luminescent device |
| CN110030505A (en) * | 2019-03-22 | 2019-07-19 | 厦门立达信照明有限公司 | A kind of mask lamp of light guiding lens and lampshade brightness uniformity |
| CN110716249A (en) * | 2019-09-23 | 2020-01-21 | 深圳市百康光电有限公司 | Lens and light-emitting component with same |
| CN114935867A (en) * | 2022-06-01 | 2022-08-23 | 环鸿电子（昆山）有限公司 | Light emitting device and lens structure |
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| CN104373896A (en) * | 2014-11-05 | 2015-02-25 | 深圳市众明半导体照明有限公司 | Optical lens and lamp comprising same |
| CN106594674A (en) * | 2016-10-26 | 2017-04-26 | 佛山市中山大学研究院 | Collimating lens based on point light source |
| CN208138922U (en) * | 2018-03-13 | 2018-11-23 | 深圳市百康光电有限公司 | A kind of lens and the light emitting device including the lens |
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| CN109458575A (en) * | 2019-01-08 | 2019-03-12 | 广东省半导体产业技术研究院 | Luminescent device light guiding lens and luminescent device |
| CN110030505A (en) * | 2019-03-22 | 2019-07-19 | 厦门立达信照明有限公司 | A kind of mask lamp of light guiding lens and lampshade brightness uniformity |
| CN110030505B (en) * | 2019-03-22 | 2021-03-23 | 厦门立达信照明有限公司 | Light guide lens and mask lamp with uniform brightness of lampshade |
| CN110716249A (en) * | 2019-09-23 | 2020-01-21 | 深圳市百康光电有限公司 | Lens and light-emitting component with same |
| CN114935867A (en) * | 2022-06-01 | 2022-08-23 | 环鸿电子（昆山）有限公司 | Light emitting device and lens structure |
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