CN108571711A - anti-glare lens - Google Patents
anti-glare lens Download PDFInfo
- Publication number
- CN108571711A CN108571711A CN201810495243.5A CN201810495243A CN108571711A CN 108571711 A CN108571711 A CN 108571711A CN 201810495243 A CN201810495243 A CN 201810495243A CN 108571711 A CN108571711 A CN 108571711A
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- China
- Prior art keywords
- light
- emitting surface
- entrance aperture
- incidence
- plane
- 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.)
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- 150000001875 compounds Chemical class 0.000 claims description 3
- 238000009738 saturating Methods 0.000 claims description 2
- 238000000605 extraction Methods 0.000 claims 2
- 230000003287 optical effect Effects 0.000 abstract description 10
- 230000000694 effects Effects 0.000 abstract description 2
- 230000004313 glare Effects 0.000 abstract 1
- 230000005540 biological transmission Effects 0.000 description 4
- 230000000116 mitigating effect Effects 0.000 description 4
- 241001465382 Physalis alkekengi Species 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000009365 direct transmission Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000009931 harmful effect Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000000926 separation method Methods 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
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V7/00—Reflectors for light sources
- F21V7/0025—Combination of two or more reflectors for a single light source
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V7/00—Reflectors for light sources
- F21V7/04—Optical design
- F21V7/09—Optical design with a combination of different curvatures
-
- 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
- F21Y2115/00—Light-generating elements of semiconductor light sources
- F21Y2115/10—Light-emitting diodes [LED]
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Lenses (AREA)
Abstract
The present invention relates to optical device fields, disclose a kind of anti-glare lens, for reducing remaining light, reduce glare effects.The present invention includes ontology and expanded body, ontology includes the first entrance aperture, the first reflecting wall, the first light-emitting surface and the second light-emitting surface, first entrance aperture includes first plane of incidence and second plane of incidence, first plane of incidence is used to the incident ray of first plane of incidence being transmitted to the first reflecting wall, and the first reflecting wall is used to incident ray being reflected into the first light-emitting surface；Expanded body includes the second entrance aperture, the second reflecting wall and third light-emitting surface, and the second entrance aperture is connected to the first entrance aperture, and the second entrance aperture is located at the lower end of the first entrance aperture；Second entrance aperture includes the third plane of incidence, and the third plane of incidence is used to incident ray being transmitted to the second reflecting wall, and the second reflecting wall is used to incident ray being reflected into third light-emitting surface.The present invention is suitable for LED lamp.
Description
Technical field
The present invention relates to optical device fields, more particularly, to anti-glare lens.
Background technology
In the prior art, the TIR formula lens control lens angle of LED secondary light-distributions is mainly reflecting surface, and reflecting surface ratio
Example is fewer, then the light transmitted from lens is more, then there is a problem of that remaining light is bigger, dazzle is higher.And current TIR formula lens
It is more that generally existing light source is assigned to lens transmission plane light, leads to that lens remaining light is big, the high problem of dazzle, therefore same lighting environment
Lower TIR formula lens lamps and lanterns are more dazzling than traditional reflector cap lamp, cause discomfort stronger human eye.If correspondingly, light source
Be assigned to that lens transmission plane light is more, then current TIR formulas lens be assigned to simultaneously there is also light source the light of lens reflector compared with
It is few, the problem for causing luminous energy effective rate of utilization low, therefore central light strength is relatively low.
Existing TIR formulas lens have as a drawback that in summary：
1. it is more that light source is assigned to lens transmission plane light, lead to that lens remaining light is big, dazzle is high.
2. the light that light source is assigned to lens reflector is less, cause luminous energy effective rate of utilization low.
3. the light that light source is assigned to lens reflector is less, cause central light strength low.
Invention content
The technical problem to be solved by the present invention is to：A kind of anti-glare lens are provided, for reducing remaining light, reduce dazzle shadow
It rings.
The technical solution adopted by the present invention to solve the technical problems is：Anti-glare lens, including ontology and expanded body, institute
It includes the first entrance aperture, the first reflecting wall, the first light-emitting surface and the second light-emitting surface to state ontology, and first entrance aperture includes the
One plane of incidence and second plane of incidence, first plane of incidence are used to the incident ray of first plane of incidence being transmitted to described first anti-
Wall is penetrated, first reflecting wall is used to incident ray being reflected into first light-emitting surface, and second plane of incidence will be for that will enter
It penetrates light and is transmitted to second light-emitting surface；The expanded body includes the second entrance aperture, the second reflecting wall and third light-emitting surface,
Second entrance aperture is connected to first entrance aperture, and second entrance aperture is located at the lower end of first entrance aperture；
Second entrance aperture includes the third plane of incidence, and the third plane of incidence is used to incident ray being transmitted to second reflection
Wall, second reflecting wall are used to incident ray being reflected into the third light-emitting surface.
Further, in order to promote optical quality, and central light strength is further increased, the third light-emitting surface coordinates institute
Stating the second reflecting wall should control the light-emitting angle of light in the range identical as the light-emitting angle of the ontology.
Further, to eliminate the stray light of the connection inconsistent generation in aperture, ensure optical quality, in first incidence
The junction in hole and second entrance aperture, the aperture of the two are answered equal.
Further, in order to allow second plane of incidence preferably to control the angle of transmitted ray, described second is incident
Face could be provided as calculus free form surface.
Further, in order to make lens hot spot uniformly and be easier to control, the first reflecting wall described herein and institute
It states the second reflecting wall to be composed of multiple scale faces, and the curvature between adjacent scale face is discontinuous.
Further, the first light-emitting surface and the third light-emitting surface are inner concave, and the design of inner concave can be preferably
So that the first light-emitting surface and the light of third light-emitting surface outgoing are biased to the axis of lens, to reduce the outside angle of divergence of light, drop
Low lens dazzle value, mitigating stimulates human eye.
Further, second light-emitting surface is compound eye face, and compound eye face can further decrease lens dazzle value, mitigation pair
Human eye stimulates.
The beneficial effects of the invention are as follows：The present invention is provided with an expanded body on the basis of conventional lenses, due to this hair
Bright ontology entrance aperture is connected to up and down with the entrance aperture of expanded body, and two entrance aperture, which link together, has deepened the depth of entrance aperture
Degree so that there are more incident rays to be assigned on reflecting wall, reduces the amount of light for being assigned to direct transmission plane indirectly,
Therefore the present invention can reduce light directly transmission and cause that remaining light is big, the high harmful effect brought of dazzle.Also, it is extended in the present invention
Body and ontology are that separation controls to the control of incident ray, the plane of incidence of expanded body can by optical effect that light source issues compared with
Difference, the uppity light of angle are assigned on the light-emitting surface and reflecting wall of expanded body and are individually controlled, expanded body emergent ray
Light-emitting angle range it is identical as the light-emitting angle range of the ontology so that the central light strength of expanded body and ontology, hot spot can
To be preferably superimposed, therefore improve the central light strength and optical quality of lens entirety.
In addition, the first light-emitting surface and the third light-emitting surface are the design form of inner concave in the present invention, it can be more preferable
Ground makes the light that the first light-emitting surface and third light-emitting surface are emitted be biased to the central axes of lens, reduces the outside angle of divergence of light, drop
Low lens dazzle values, mitigating stimulates human eye.
Description of the drawings
Fig. 1 is a kind of sectional view for light-source system that embodiment provides；
Fig. 2 is the index path of embodiment.
Wherein, S is light source, and 10 be the first entrance aperture, and 11 enter shooting for first, and 12 be second plane of incidence, and 13 is anti-for first
Wall is penetrated, 14 first light-emitting surfaces, 15 be the second light-emitting surface, and 20 be the second entrance aperture, and 21 be the third plane of incidence, and 22 be the second reflection
Wall, 23 be third light-emitting surface.
Specific implementation mode
Expanded body is arranged on the basis of lens body in the present invention, the side plane of incidence by the first entrance aperture of ontology and extension
Incident ray is introduced on the reflecting wall of expanded body and the reflecting wall of ontology by the side plane of incidence of the second entrance aperture of body respectively, two
Reflecting wall passes through curved surface calculus respectively so that and the angle of emergent ray is close, and then light can be got on similar position,
To improve the central light strength and optical quality of lens entirety.
The present invention is further described with reference to the accompanying drawings and embodiments.
A kind of light-source system that embodiment provides, including LED light source and anti-glare lens.The structure of anti-glare lens is as schemed
It shown in 1, is made of ontology and expanded body, ontology indent is in expanded body；Wherein, the ontology includes the first entrance aperture 10, the
One reflecting wall 13, the first light-emitting surface 15 and the second light-emitting surface 14, first entrance aperture 10 include first plane of incidence 11 and the
Two planes of incidence 12, first plane of incidence 11 are used to the incident ray of first plane of incidence 11 being transmitted to first reflecting wall
13, first reflecting wall 13 is used to incident ray being reflected into first light-emitting surface 15, and first light-emitting surface 15 coordinates
First reflecting wall 13 can control the light-emitting angle of light in a certain range, such as within 30 °, and second plane of incidence 12 is used
In incident ray is transmitted to second light-emitting surface 14；The expanded body include the second entrance aperture 20, the second reflecting wall 22 with
And third light-emitting surface 23, second entrance aperture 20 are connected to first entrance aperture 10, and second entrance aperture 20 is located at
The lower end of first entrance aperture 10；Second entrance aperture 20 includes the third plane of incidence 21, and the third plane of incidence 21 is used for
Incident ray is transmitted to second reflecting wall 22, second reflecting wall 22 is used to incident ray being reflected into the third
Light-emitting surface 23, the third light-emitting surface 23 coordinate second reflecting wall 22 by the control of the light-emitting angle of light with the ontology
The identical range of light-emitting angle in.
In embodiment, to eliminate the stray light of the connection inconsistent generation in aperture, ensure optical quality, it is incident described first
The junction in hole 10 and second entrance aperture 20, the aperture of the two are answered equal；In order to allow second plane of incidence 12 preferably to saturating
The angle for penetrating light is controlled, and second plane of incidence 12 could be provided as calculus free form surface；In order to make going out for lens
It is uniform to penetrate hot spot, heretofore described first reflecting wall 13 and second reflecting wall 22 are composed of multiple scale faces,
And the curvature between adjacent scale face is discontinuous.
As seen from Figure 1, the second light-emitting surface 14 is located at the middle of lens, and the first light-emitting surface 15 is located at the second light-emitting surface
14 outer ring, third light-emitting surface 23 are located at the outer ring of the first light-emitting surface 15, therefore, the second light-emitting surface 14, the first light-emitting surface 15,
The bore of three light-emitting surfaces, 23 three is sequentially increased；Embodiment sets the first light-emitting surface and the third light-emitting surface to inner concave,
The first light-emitting surface and the light of third light-emitting surface outgoing can be preferably made to be biased to the axis of lens using the design of inner concave,
To reduce the outside angle of divergence of light, lens dazzle value is further decreased, mitigating stimulates human eye.
Angularly range size can be divided into three classes the light that light source S is sent out, and ascending three lightlike line of angular range is successively
It is denoted as S1, S2, S3, wherein light S1 and S2 is easier to control, therefore traditional since angle is smaller, optical effect is preferable
An ontology is usually only arranged to control this some light in lens, and light S3 is since angle is larger, the light of this part light
The poor therefore traditional lens of effect are learned to be generally difficult to that this some light is efficiently used and controlled.The present embodiment is arranged
There is expanded body, therefore light S3 can just be utilized and be controlled, the specific index path of embodiment is as shown in Fig. 2, light source S
The first entrance aperture 10 and the second entrance aperture 20 of light S1, S2, S3 directive lens of transmitting, light S1 by second plane of incidence 11 into
The ontology for entering lens is directly projected by the second light-emitting surface 14 without reflection；Light S2 enters lens by first plane of incidence 11
Ontology is reflected into the first light-emitting surface 15 by the first reflecting wall 13, is projected by the first light-emitting surface 15；Light S3 is by the third plane of incidence
21 enter the expanded body of lens, are reflected into third light-emitting surface 23 by the second reflecting wall 22, are projected by third light-emitting surface 23；Due to
First light-emitting surface 15, the light-emitting angle of 23 emergent rays of the second light-emitting surface 14 and third light-emitting surface are close, therefore this implementation
The light that example types it out can be overlapped mutually, and effectively promote the central light strength and optical quality of lens entirety, while control dazzle.
To sum up, embodiment can reduce light dispersion angle and remaining light, achieve the purpose that control dazzle and promote central light strength.
Claims (7)
1. anti-glare lens, including ontology, the ontology includes the first entrance aperture (10), the first reflecting wall (13), the first light extraction
Face (15) and the second light-emitting surface (14), first entrance aperture (10) include first plane of incidence (11) and second plane of incidence
(12), first plane of incidence (11) is used to incident ray being transmitted to first reflecting wall (13), first reflecting wall
(13) it is used to incident ray being reflected into first light-emitting surface (15), second plane of incidence (12) is used for incident ray is saturating
Be mapped to second light-emitting surface (14), which is characterized in that further include expanded body, the expanded body include the second entrance aperture (20),
Second reflecting wall (22) and third light-emitting surface (23), second entrance aperture (20) are connected to first entrance aperture (10),
And second entrance aperture (20) is located at the lower end of first entrance aperture (10)；Second entrance aperture (20) includes that third enters
Face (21) is penetrated, the third plane of incidence (21) is used to incident ray being transmitted to second reflecting wall (22), and described second is anti-
Wall (22) is penetrated for incident ray to be reflected into the third light-emitting surface (23).
2. anti-glare lens as described in claim 1, which is characterized in that third light-emitting surface (23) cooperation described second is anti-
Wall (22) is penetrated to control the light-emitting angle of light in the range identical as the light-emitting angle of the ontology.
3. anti-glare lens as described in claim 1, which is characterized in that enter in first entrance aperture (10) and described second
The junction of perforation (20), the aperture of the two are equal.
4. anti-glare lens as described in claim 1, which is characterized in that second plane of incidence (12) is curved surface.
5. anti-glare lens as described in claim 1, which is characterized in that first reflecting wall (13) and second reflection
Wall (22) is composed of multiple scale faces, and the curvature between adjacent scale face is discontinuous.
6. anti-glare lens as described in claim 1, which is characterized in that first light-emitting surface (15) and the third light extraction
Face (23) is inner concave.
7. anti-glare lens as described in claim 1, which is characterized in that second light-emitting surface (14) is compound eye face.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810495243.5A CN108571711A (en) | 2018-05-22 | 2018-05-22 | anti-glare lens |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810495243.5A CN108571711A (en) | 2018-05-22 | 2018-05-22 | anti-glare lens |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108571711A true CN108571711A (en) | 2018-09-25 |
Family
ID=63572863
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810495243.5A Withdrawn CN108571711A (en) | 2018-05-22 | 2018-05-22 | anti-glare lens |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108571711A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011187165A (en) * | 2010-03-04 | 2011-09-22 | Mitsubishi Electric Corp | Lens and lighting system with this lens |
| JP2012209141A (en) * | 2011-03-30 | 2012-10-25 | Stanley Electric Co Ltd | Illumination lamp fitting |
| JP2013214449A (en) * | 2012-04-03 | 2013-10-17 | Yuichi Suzuki | Toroidal lens and lighting device |
| CN203478099U (en) * | 2013-09-30 | 2014-03-12 | 成都欧盛光电科技有限公司 | LED illuminating lens |
| CN104006351A (en) * | 2013-02-21 | 2014-08-27 | 三星电子株式会社 | Light source module and lighting apparatus having the same |
| US20150184831A1 (en) * | 2013-12-27 | 2015-07-02 | Hon Hai Precision Industry Co., Ltd. | Optical lens assembly and light source module having the same |
| CN206036936U (en) * | 2016-08-29 | 2017-03-22 | 浚洸光学科技股份有限公司 | Optical lens combination and lighting device |
| US20170299145A1 (en) * | 2016-01-19 | 2017-10-19 | Ketra, Inc. | Total internal reflection lens having a tapered sidewall entry and a concave spherical exit bounded by a compound parabolic concentrator outer surface to lessen glare while maintaining color mixing and beam control of an led light source |
| CN208312267U (en) * | 2018-05-22 | 2019-01-01 | 成都欧盛光电科技有限公司 | anti-glare lens |
-
2018
- 2018-05-22 CN CN201810495243.5A patent/CN108571711A/en not_active Withdrawn
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011187165A (en) * | 2010-03-04 | 2011-09-22 | Mitsubishi Electric Corp | Lens and lighting system with this lens |
| JP2012209141A (en) * | 2011-03-30 | 2012-10-25 | Stanley Electric Co Ltd | Illumination lamp fitting |
| JP2013214449A (en) * | 2012-04-03 | 2013-10-17 | Yuichi Suzuki | Toroidal lens and lighting device |
| CN104006351A (en) * | 2013-02-21 | 2014-08-27 | 三星电子株式会社 | Light source module and lighting apparatus having the same |
| CN203478099U (en) * | 2013-09-30 | 2014-03-12 | 成都欧盛光电科技有限公司 | LED illuminating lens |
| US20150184831A1 (en) * | 2013-12-27 | 2015-07-02 | Hon Hai Precision Industry Co., Ltd. | Optical lens assembly and light source module having the same |
| US20170299145A1 (en) * | 2016-01-19 | 2017-10-19 | Ketra, Inc. | Total internal reflection lens having a tapered sidewall entry and a concave spherical exit bounded by a compound parabolic concentrator outer surface to lessen glare while maintaining color mixing and beam control of an led light source |
| CN206036936U (en) * | 2016-08-29 | 2017-03-22 | 浚洸光学科技股份有限公司 | Optical lens combination and lighting device |
| CN208312267U (en) * | 2018-05-22 | 2019-01-01 | 成都欧盛光电科技有限公司 | anti-glare lens |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20180925 |