CN104296071A - Method for designing full-periphery light distribution lens and corresponding light-distribution lens - Google Patents
Method for designing full-periphery light distribution lens and corresponding light-distribution lens Download PDFInfo
- Publication number
- CN104296071A CN104296071A CN201410491119.3A CN201410491119A CN104296071A CN 104296071 A CN104296071 A CN 104296071A CN 201410491119 A CN201410491119 A CN 201410491119A CN 104296071 A CN104296071 A CN 104296071A
- Authority
- CN
- China
- Prior art keywords
- light
- lens
- distribution
- angle
- led
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- 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
- 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
- F21V5/046—Refractors for light sources of lens shape the lens having a rotationally symmetrical shape about an axis for transmitting light in a direction mainly perpendicular to this axis, e.g. ring or annular lens with light source disposed inside the ring
-
- 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
- F21V23/00—Arrangement of electric circuit elements in or on lighting devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2103/00—Elongate light sources, e.g. fluorescent tubes
- F21Y2103/30—Elongate light sources, e.g. fluorescent tubes curved
- F21Y2103/33—Elongate light sources, e.g. fluorescent tubes curved annular
Abstract
The invention provides a method for designing a full-periphery light distribution lens and the corresponding light-distribution lens. The method comprises the steps of arranging multiple LED ring bands and secondary light-distribution lenses surrounding the LED ring bands; using the optical axis plane of any LED ring band as an incident plane, equally dividing the light source angle, on one side of the optical axis, of the LED ring bands into N small angles and N small sections of corresponding distribution curve lines according to light intensities along with the distribution rule of light-emitting angles, wherein the edge small section of the N small sections is used as an start irradiated small section, and an edge point is used as an initial irradiated point; solving two continuous curves corresponding to each LED ring band, wherein every two curves are connected respectively to form a closed curve and rotate, and the three-dimensional shape of the full-periphery light distribution lens is formed. The method can achieve full-periphery light distribution illumination with the angle larger than 180 degrees.
Description
Technical field
The present invention relates to a kind of lens design method, particularly relate to a kind of realize being greater than the all-round smooth light-distribution lens of 180 degree of luminous intensity distributions method for designing and corresponding light-distribution lens.
Background technology
LED (Light Emitting Diode) is high with its efficiency, photochromic pure, energy consumption is low, the life-span is long, the advantage such as pollution-free becomes 21 century most competitiveness new type light source.Along with improving constantly of LED light flux and light efficiency, LED is also more and more extensive in the application of lighting field.But the surperficial bright dipping of LED chip is Lambertian distribution, and the rising angle of itself only has 120 degree, cannot directly apply to illuminator, only have by meeting different lighting demands to its rational secondary light-distribution.
At present, market is designed the secondary light-distribution of LED light source based on porjection type reflector and lens, due to its luminous intensity distribution beam angle be less than 180 degree and can only realize single surface plane formula projection-type illumination, the three-dimensional illumination in whole space can not be realized, form corner or overhead illumination dark space if be easy on indoor lamp, have a strong impact on the ocular comfort degree of human body.
Summary of the invention
For defect of the prior art, the object of this invention is to provide a kind of method for designing of all-round smooth light-distribution lens.
The technical problem that the present invention solves is: adopt the circular platform free-form surface lens of cascade ring as Fig. 1, replace porjection type reflector of the prior art or lens as Fig. 2, achieves the all-round smooth luminous intensity distribution design that beam angle is greater than 180 degree.
According to the method for designing of a kind of all-round smooth light-distribution lens provided by the invention, comprise the steps:
Step 1: many LED astragals are set and are surrounded on the secondary light-distribution lens of LED astragal;
Every bar LED astragal is all formed primarily of the LED light source of annular array in a plane;
The enveloping surface of described many LED astragals is a frustum cone side;
The distribution curve flux that described secondary light-distribution lens is formed is divided into the multiple parts equal with LED astragal quantity, described multiple part and described multiple LED astragal one_to_one corresponding;
The light distribution angle of part distribution curve flux is less than 180 degree, and the light distribution angle of part distribution curve flux is more than or equal to 180 degree, each several part distribution curve flux comprise total light that flux ratio equals each LED astragal and lead to ratio;
Step 2: using the optical axial plane of any LED astragal as the plane of incidence, on the described plane of incidence, the light-source angle of the LED astragal of optical axis side is divided into N number of little angle, wherein N >=4, namely each light-source angle distributes by equal angle intervals;
Step 3: distribution curve flux step 1 separated is divided into N number of segment, every section in N section distribution curve flux corresponding luminous flux is all equal with the light-source angle luminous flux that step 2 is distributed;
Step 4: by described N number of little angle and the N number of segment one_to_one corresponding of described distribution curve flux;
Step 5: being shone segment using the edge segment in described N number of segment as initial, is initial illuminated point with marginal point, a little angle namely in corresponding described N number of little angle;
Step 6: obtain two full curves corresponding to every bar LED astragal;
Step 7: two full curves corresponding to each bar LED astragal successively head and the tail are connected to form a closed curve, then the arrangement central axis of described closed curve around the LED light source of LED astragal are rotated, form the three-dimensional shape of all-round smooth light-distribution lens;
Wherein, described step 6 comprises the steps:
Step 6.1: the required distance leaving light source according to the lens incidence surface of all-round smooth light-distribution lens, the incident ray corresponding with initial illuminated point is got a bit as the initiation feature point on described lens incidence surface, initiation feature point place on this incidence surface, the straight line being parallel to LED light source and initial illuminated point line has angle with incident ray shape, for the initial deflection of light of secondary light-distribution lens, described initial deflection of light is divided into the first deflection angle and the second deflection angle, the angle separated time of the first deflection angle and the second deflection angle is as the fringence of incident ray after described lens incidence surface, by a little angle in the law of refraction and corresponding described N number of little angle, obtain the second feature point on the incidence surface adjacent with the initiation feature point on incidence surface, the second illuminated point that second feature point on this incidence surface is corresponding adjacent with initial illuminated point,
Step 6.2: perform step 6.1 for each segment in N number of segment, obtain the position of each characteristic point on the lens incidence surface corresponding to each illuminated point in N number of segment successively:
Step 6.3: on the fringence after the initiation feature point on described lens incidence surface, lens thickness according to secondary light-distribution lens will be asked for a bit, as the initiation feature point on the lens exiting surface of all-round smooth light-distribution lens, in the following way, the position of each characteristic point on lens exiting surface is obtained:
Step I 1: the initiation feature point place on this exiting surface, the straight line being parallel to LED light source and initial illuminated point line has angle with incident ray shape, for the initial deflection of light of secondary light-distribution lens, described initial deflection of light is divided into the first deflection angle and the second deflection angle, the angle separated time of the first deflection angle and the second deflection angle is as the fringence of incident ray after described lens exiting surface, by a little angle in the law of refraction and corresponding described N number of little angle, obtain the second feature point on the exiting surface adjacent with the initiation feature point on exiting surface, the second illuminated point that second feature point on this exiting surface is corresponding adjacent with initial illuminated point,
Step I 2: perform step I 1 for each segment in N number of segment, obtain the position of each characteristic point on the lens exiting surface corresponding to each illuminated point in N number of segment successively;
Step 6.4: each characteristic point on described lens incidence surface connected successively, connects successively by each characteristic point on described lens exiting surface, forms two full curves.
Preferably, described each characteristic point couples together with straight line or smoothed curve successively.
Preferably, the quantity of LED astragal is 2, and the distribution curve flux that described secondary light-distribution lens is formed is divided into 2 parts, and wherein, the light distribution angle of a part of distribution curve flux is less than 180 degree, and the light distribution angle of another part distribution curve flux is more than or equal to 180 degree.
According to the all-round smooth light-distribution lens of one provided by the invention, described all-round smooth light-distribution lens obtains according to the method for designing of above-mentioned all-round smooth light-distribution lens.
Preferably, the centre of described all-round smooth light-distribution lens is with through hole.
Compared with prior art, the present invention has following beneficial effect:
(1) the all-round smooth luminous intensity distribution illumination being greater than 180 degree can be realized;
(2) way calculating characteristic point determination lens curved surface is adopted can to determine lens surfaces externally and internally shape more quickly and accurately;
(3) adopt the form of overall lens luminous intensity distribution, avoid the impact of monomer lens arrangement on luminous intensity distribution.
Accompanying drawing explanation
By reading the detailed description done non-limiting example with reference to the following drawings, other features, objects and advantages of the present invention will become more obvious:
Fig. 1 is traditional projection lens outline drawing;
Fig. 2 is all-round smooth light distributing system overall structure figure;
Fig. 3 is all-round smooth light-distribution lens distribution curve flux segmentation figure;
Fig. 4 is the method schematic diagram dividing little angle on the plane of incidence;
Fig. 5 is the method schematic diagram of the luminous intensity distribution spatial division segment in outgoing;
Fig. 6 determines each characteristic point on lens surface and the schematic diagram connected successively;
Fig. 7 is the stepped truncated cone-shaped lens-section diagram of embodiment 1;
Fig. 8 is embodiment 1 stepped truncated cone-shaped free-form surface lens outline drawing;
Fig. 9 is the stepped truncated cone-shaped lens-section diagram of embodiment 2;
Figure 10 is embodiment 2 stepped truncated cone-shaped free-form surface lens outline drawing.
Detailed description of the invention
Below in conjunction with specific embodiment, the present invention is described in detail.Following examples will contribute to those skilled in the art and understand the present invention further, but not limit the present invention in any form.It should be pointed out that to those skilled in the art, without departing from the inventive concept of the premise, some distortion and improvement can also be made.These all belong to protection scope of the present invention.
The present invention is intended to construct a kind of light distributing method realizing being greater than 180 degree of all-round smooth luminous intensity distributions.This light distributing method comprises LED light source 1 and the secondary light-distribution lens 2 of annular array, as shown in Figure 2.Described LED light source 1 is arranged in the astragal of multiple annular on different level, and forms the stacking three-dimensional arrangement form of annular with certain cone angle at solid space; Described secondary light-distribution lens 2 is stepped truncated cone-shaped.Stepped circular platform free-form surface lens (as Fig. 2), its design procedure is as follows:
A) follow the astragal number according to LED light source, the distribution curve flux that secondary light-distribution lens 2 is formed is divided into multiple parts of equal amount.Such as, in Fig. 2, LED light source is arranged in 2 annular astragals, the distribution curve flux that then secondary light-distribution lens 2 is formed also is divided into two parts, wherein, the light distribution angle of part distribution curve flux is less than 180 degree, the light distribution angle of another part distribution curve flux is more than or equal to 180 degree, when distribution curve flux is divided into the part of more than 3, the light distribution angle of these three parts can distribute arbitrarily, as long as ensure the principle with the LED astragal conservation of energy.(as shown in Figure 3, L1 represents the luminous intensity distribution part being less than 180 degree, L2 represents the luminous intensity distribution part being greater than 180 degree), and this two parts distribution curve flux comprise total light that flux ratio equals each astragal LED light source and lead to ratio, the design of lens designs respectively by for each several part distribution curve flux separated;
B) optical axial plane of LED light source astragal is formed as the plane of incidence using any annular LED light source, on the described plane of incidence, the light-source angle of optical axis side is divided into N number of little angle, wherein N >=4, namely each light-source angle distributes by equal angle intervals.For making figure clear, the present embodiment gets N=4, is namely divided into 4 little angles, is respectively ɑ 1, ɑ 2, ɑ 3, ɑ 4.；
C) distribution curve flux (i.e. the distribution of light intensity lighting angle) step a) separated is divided into 4 segments, be respectively ab, bc, cd, de, every section in 4 sections of distribution curve fluxs corresponding luminous flux and step b) each light-source angle luminous flux of separating is equal;
D) by 4 little angles of described LED light source astragal and described distribution curve flux 4 segment one_to_one corresponding;
E) segment is shone using described ab segment as initial, be initial illuminated point with a point, then the little angle of ab section correspondence is ɑ 1, the required distance of light source is left according to lens incidence surface 201, the incident ray corresponding with a point is got 1 1a as the initiation feature point on lens incidence surface, at this initiation feature point place, the straight line being parallel to the line of light source and initial illuminated point a to have angle β 1 with incident ray shape, for the initial deflection of light of lens, described initial deflection of light β 1 is divided into the first deflection angle β 11 and the second deflection angle β 12, two deflection angle sizes can be any, the present embodiment gets β 11: β 12=1:1, angle separated time is as the fringence of incident ray after the initiation feature point 1a of incidence surface (incidence surface 201 of lens and exiting surface 202 refer to inner surface and the outer surface of lens respectively), pass through the law of refraction, determine the normal n1 of 1a point, an intersection is formed perpendicular to the straight line of normal n1 and described plane of light incidence, the intersection point of the arm of angle of this intersection and little angle ɑ 1 is respectively 1a and 1b, 1b point is namely as second feature point, shone on segment bc second, getting b point is the second illuminated point, then b point is corresponding this second feature point 1b.From method above, as long as obtain the normal respectively levied a little just can obtain each characteristic point---the concrete method for solving of-each characteristic point normal is as follows: the incidence vector Nin 1, being obtained this characteristic point by this characteristic point incident ray direction; 2, the refraction vector Nrefract of this characteristic point is obtained by the refracted ray direction of this characteristic point; 3, the normal vector of each characteristic point can just be obtained by the following vector expression of the law of refraction: Nf=n*Nrefract – n0*Nin; Wherein Nf is the normal vector of this characteristic point, and n is refracted ray place medium refraction index, and n0 is incident ray place medium refraction index.
F) same to previous step, obtains each illuminated point c in 4 segments, the position of each characteristic point 1c, 1d, 1e on the lens incidence surface 201 corresponding to d, e successively;
G) on the fringence after the initiation feature point 1a on described lens incidence surface 201,1 2a to be asked for according to lens thickness, as the initiation feature point on lens exiting surface 202, adopt the method similar with the characteristic point obtained on incidence surface, obtain the position of each characteristic point on lens exiting surface 202; Be specially:
According to the requirement of all-round smooth light-distribution lens thickness, fringence after the initiation feature point 1a on incidence surface is got 1 2a as the initiation feature point on exiting surface 202, incident ray using this fringence as lens exiting surface 202, to be parallel to the fringence of straight line for lens exiting surface 202 of the line of illuminated point a and light source at this 2a point, this incident ray and fringence direction are two arm of angle directions of illustrated second deflection angle β 12, adopt and determine the identical method of the characteristic point of incidence surface, try to achieve the characteristic point 2b on second successively, 2c, 2d, the position of 2e.
H) described incidence surface 201 is connected successively with each characteristic point on exiting surface 202, forms two full curves respectively;
I) with above step, two full curves 203 and 204 corresponding to another astragal LED light source formation LED light source endless belt are obtained;
J) described four curves are connected to form between two a closed curve, the arrangement central axis 205 of pitch of the laps band light source rotates, and forms the three-dimensional shape of lens.
Another embodiment of the invention, in order to reach better radiating effect, coordinate the lamp socket of Intermediate Gray through hole to use, lens can also be designed to the shape of Intermediate Gray through hole, when designing, the optical Design of all-round smooth light-distribution lens, with the method for the first embodiment, just designs, obtains optical curve from the edge, position of central zone through hole, then couple together, rotate around central axis again, form the three-dimensional switch of lens, as shown in Figure 9, Figure 10.
Above specific embodiments of the invention are described.It is to be appreciated that the present invention is not limited to above-mentioned particular implementation, those skilled in the art can make various distortion or amendment within the scope of the claims, and this does not affect flesh and blood of the present invention.
Claims (5)
1. a method for designing for all-round smooth light-distribution lens, is characterized in that, comprise the steps:
Step 1: many LED astragals are set and are surrounded on the secondary light-distribution lens of LED astragal;
Every bar LED astragal is all formed primarily of the LED light source of annular array in a plane;
The enveloping surface of described many LED astragals is a frustum cone side;
The distribution curve flux that described secondary light-distribution lens is formed is divided into the multiple parts equal with LED astragal quantity, described multiple part and described multiple LED astragal one_to_one corresponding;
The light distribution angle of part distribution curve flux is less than 180 degree, and the light distribution angle of part distribution curve flux is more than or equal to 180 degree, each several part distribution curve flux comprise total light that flux ratio equals each LED astragal and lead to ratio;
Step 2: using the optical axial plane of any LED astragal as the plane of incidence, on the described plane of incidence, the light-source angle of the LED astragal of optical axis side is divided into N number of little angle, wherein N >=4, namely each light-source angle distributes by equal angle intervals;
Step 3: distribution curve flux step 1 separated is divided into N number of segment, every section in N section distribution curve flux corresponding luminous flux is all equal with the light-source angle luminous flux that step 2 is distributed;
Step 4: by described N number of little angle and the N number of segment one_to_one corresponding of described distribution curve flux;
Step 5: being shone segment using the edge segment in described N number of segment as initial, is initial illuminated point with marginal point, a little angle namely in corresponding described N number of little angle;
Step 6: obtain two full curves corresponding to every bar LED astragal;
Step 7: two full curves corresponding to each bar LED astragal successively head and the tail are connected to form a closed curve, then the arrangement central axis of described closed curve around the LED light source of LED astragal are rotated, form the three-dimensional shape of all-round smooth light-distribution lens;
Wherein, described step 6 comprises the steps:
Step 6.1: the required distance leaving light source according to the lens incidence surface of all-round smooth light-distribution lens, the incident ray corresponding with initial illuminated point is got a bit as the initiation feature point on described lens incidence surface, initiation feature point place on this incidence surface, the straight line being parallel to LED light source and initial illuminated point line has angle with incident ray shape, for the initial deflection of light of secondary light-distribution lens, described initial deflection of light is divided into the first deflection angle and the second deflection angle, the angle separated time of the first deflection angle and the second deflection angle is as the fringence of incident ray after described lens incidence surface, by a little angle in the law of refraction and corresponding described N number of little angle, obtain the second feature point on the incidence surface adjacent with the initiation feature point on incidence surface, the second illuminated point that second feature point on this incidence surface is corresponding adjacent with initial illuminated point,
Step 6.2: perform step 6.1 for each segment in N number of segment, obtain the position of each characteristic point on the lens incidence surface corresponding to each illuminated point in N number of segment successively;
Step 6.3: on the fringence after the initiation feature point on described lens incidence surface, lens thickness according to secondary light-distribution lens will be asked for a bit, as the initiation feature point on the lens exiting surface of all-round smooth light-distribution lens, in the following way, the position of each characteristic point on lens exiting surface is obtained:
Step I 1: the initiation feature point place on this exiting surface, the straight line being parallel to LED light source and initial illuminated point line has angle with incident ray shape, for the initial deflection of light of secondary light-distribution lens, described initial deflection of light is divided into the first deflection angle and the second deflection angle, the angle separated time of the first deflection angle and the second deflection angle is as the fringence of incident ray after described lens exiting surface, by a little angle in the law of refraction and corresponding described N number of little angle, obtain the second feature point on the exiting surface adjacent with the initiation feature point on exiting surface, the second illuminated point that second feature point on this exiting surface is corresponding adjacent with initial illuminated point,
Step I 2: perform step I 1 for each segment in N number of segment, obtain the position of each characteristic point on the lens exiting surface corresponding to each illuminated point in N number of segment successively;
Step 6.4: each characteristic point on described lens incidence surface connected successively, connects successively by each characteristic point on described lens exiting surface, forms two full curves.
2. one according to claim 1 has all-round smooth light-distribution lens method for designing, it is characterized in that: described each characteristic point couples together with straight line or smoothed curve successively.
3. the method for designing of all-round smooth light-distribution lens according to claim 1, it is characterized in that, the quantity of LED astragal is 2, the distribution curve flux that described secondary light-distribution lens is formed is divided into 2 parts, wherein, the light distribution angle of part distribution curve flux is less than 180 degree, and the light distribution angle of another part distribution curve flux is more than or equal to 180 degree.
4. an all-round smooth light-distribution lens, is characterized in that, described light-distribution lens is that the method for designing manufacture of all-round smooth light-distribution lens according to any one of claim 1 to 3 obtains.
5. all-round smooth light-distribution lens according to claim 4, is characterized in that, the centre of described all-round smooth light-distribution lens is with through hole.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410491119.3A CN104296071A (en) | 2014-09-23 | 2014-09-23 | Method for designing full-periphery light distribution lens and corresponding light-distribution lens |
| PCT/CN2014/091149 WO2016045176A1 (en) | 2014-09-23 | 2014-11-14 | Method for designing full-periphery light distribution lens and corresponding light distribution lens |
| CN201510079233.XA CN104613416B (en) | 2014-09-23 | 2015-02-13 | The design method of all-round smooth light-distribution lens and corresponding light-distribution lens |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410491119.3A CN104296071A (en) | 2014-09-23 | 2014-09-23 | Method for designing full-periphery light distribution lens and corresponding light-distribution lens |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104296071A true CN104296071A (en) | 2015-01-21 |
Family
ID=52315914
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410491119.3A Pending CN104296071A (en) | 2014-09-23 | 2014-09-23 | Method for designing full-periphery light distribution lens and corresponding light-distribution lens |
| CN201510079233.XA Active CN104613416B (en) | 2014-09-23 | 2015-02-13 | The design method of all-round smooth light-distribution lens and corresponding light-distribution lens |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510079233.XA Active CN104613416B (en) | 2014-09-23 | 2015-02-13 | The design method of all-round smooth light-distribution lens and corresponding light-distribution lens |
Country Status (2)
| Country | Link |
|---|---|
| CN (2) | CN104296071A (en) |
| WO (1) | WO2016045176A1 (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105387382A (en) * | 2015-11-24 | 2016-03-09 | 戴朝卿 | Radial light bias-distribution type lighting system based on ring array light source |
| CN106287572A (en) * | 2015-06-26 | 2017-01-04 | 核工业西南物理研究院 | Annular LED light fixture optical mask and light fixture thereof |
| CN112449671A (en) * | 2018-07-27 | 2021-03-05 | 昕诺飞控股有限公司 | Collimating lens and lighting device |
| WO2022143408A1 (en) * | 2020-12-28 | 2022-07-07 | 苏州欧普照明有限公司 | Double-curved-surface lens and led lamp |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112393136B (en) * | 2020-11-30 | 2023-03-14 | 浙江光锥科技有限公司 | Method for generating 60-degree beam angle lens structure |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102012001B (en) * | 2009-09-07 | 2013-06-19 | 上海三思电子工程有限公司 | Method for designing lens for LED (Light Emitting Diode) |
| CN102193193B (en) * | 2010-03-11 | 2015-01-14 | 上海三思电子工程有限公司 | Method for designing lens having disc-shaped uniformly illuminating faculae |
| CN102062348B (en) * | 2010-09-07 | 2012-10-10 | 上海三思电子工程有限公司 | Method for designing side lighting panoramic lens for LED |
| TWI414727B (en) * | 2011-06-03 | 2013-11-11 | Aether Systems Inc | Light emitting device |
| KR20140033527A (en) * | 2012-08-14 | 2014-03-19 | 삼성전자주식회사 | Condensing lens and lighting device including the same |
| CN103075658A (en) * | 2012-08-23 | 2013-05-01 | 苏州创高电子有限公司 | Light emitting diode (LED) lamp emitting multilayer annular light |
| CN102943993B (en) * | 2012-11-23 | 2016-12-21 | 上海三思电子工程有限公司 | A kind of lens design method of rectangular illumination hot spot |
| CN103851538A (en) * | 2012-12-04 | 2014-06-11 | 欧司朗有限公司 | Lens, and omnibearing lighting device and modified lamp with lens |
| CN203273698U (en) * | 2013-04-16 | 2013-11-06 | 王海军 | Secondary internal reflective lens and LED lamp employing same |
| CN203656600U (en) * | 2013-08-21 | 2014-06-18 | 上海创波光电科技有限公司 | Ring LED light source adopting improved structure |
-
2014
- 2014-09-23 CN CN201410491119.3A patent/CN104296071A/en active Pending
- 2014-11-14 WO PCT/CN2014/091149 patent/WO2016045176A1/en active Application Filing
-
2015
- 2015-02-13 CN CN201510079233.XA patent/CN104613416B/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106287572A (en) * | 2015-06-26 | 2017-01-04 | 核工业西南物理研究院 | Annular LED light fixture optical mask and light fixture thereof |
| CN105387382A (en) * | 2015-11-24 | 2016-03-09 | 戴朝卿 | Radial light bias-distribution type lighting system based on ring array light source |
| CN105387382B (en) * | 2015-11-24 | 2017-09-22 | 戴朝卿 | A kind of radial direction based on annular array of light sources matches somebody with somebody lighting system partially |
| CN112449671A (en) * | 2018-07-27 | 2021-03-05 | 昕诺飞控股有限公司 | Collimating lens and lighting device |
| CN112449671B (en) * | 2018-07-27 | 2022-11-29 | 昕诺飞控股有限公司 | Collimating lens and lighting device |
| WO2022143408A1 (en) * | 2020-12-28 | 2022-07-07 | 苏州欧普照明有限公司 | Double-curved-surface lens and led lamp |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2016045176A1 (en) | 2016-03-31 |
| CN104613416B (en) | 2017-11-21 |
| CN104613416A (en) | 2015-05-13 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CA2684214C (en) | An improved led device for wide beam generation and method of making the same | |
| US7918590B1 (en) | Composite lens plate | |
| US9885458B2 (en) | Off-axis collimation optics | |
| US7985009B2 (en) | Two-side asymmetric light-shift illuminating lens body | |
| US20160195243A1 (en) | Optical system for producing uniform illumination | |
| CN104296071A (en) | Method for designing full-periphery light distribution lens and corresponding light-distribution lens | |
| AU2012365473B2 (en) | Improved optical systems and LED luminaires | |
| CN104676489A (en) | Landscape illumination lamp reflector and landscape illumination lamp | |
| TW201443371A (en) | Light guide element for controlling light shape | |
| CN105402687A (en) | Condensing lens and lamp using same | |
| CN104456420A (en) | Convex lens used for down lamp light distribution | |
| CN104421835A (en) | Lens and lamp using same | |
| CN103175096A (en) | Lens and lamp using lens | |
| CN103471033B (en) | LED (light emitting diode) lens and lens module thereof | |
| CN204534217U (en) | Big-angle LED lamp | |
| CN104180304A (en) | LED (Light Emitting Diode) lamp and light distribution lens thereof | |
| CN103912845A (en) | Large-field-angle LED (light emitting diode) illuminating lens | |
| CN103574516A (en) | Light guide element capable of controlling light beam angle and lamp | |
| US9235054B2 (en) | Optical surface, lens and reflector | |
| CN104180298B (en) | Total-reflection type light projection lens and lamp using light projection lens | |
| CN203363991U (en) | LED (light-emitting diode) secondary optical lens | |
| CN102606976A (en) | Light emitting diode lighting device and asymmetric lampshade thereof | |
| CN102644899B (en) | Design method of light-emitting diode (LED) illuminating lens | |
| CN105841096A (en) | Light distribution lens | |
| CN204285313U (en) | A kind of convex lens for Down lamp luminous intensity distribution |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150121 |