CN106500057A - Lens and the light-emitting device with the lens - Google Patents
Lens and the light-emitting device with the lens Download PDFInfo
- Publication number
- CN106500057A CN106500057A CN201510561795.8A CN201510561795A CN106500057A CN 106500057 A CN106500057 A CN 106500057A CN 201510561795 A CN201510561795 A CN 201510561795A CN 106500057 A CN106500057 A CN 106500057A
- Authority
- CN
- China
- Prior art keywords
- lens
- light
- light source
- emitting device
- incidence
- 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
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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
- F21V5/048—Refractors for light sources of lens shape the lens being a simple lens adapted to cooperate with a point-like source for emitting mainly in one direction and having an axis coincident with the main light transmission direction, e.g. convergent or divergent lenses, plano-concave or plano-convex lenses
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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
- F21V19/00—Fastening of light sources or lamp holders
- F21V19/001—Fastening of light sources or lamp holders the light sources being semiconductors devices, e.g. LEDs
- F21V19/0015—Fastening arrangements intended to retain light sources
- F21V19/002—Fastening arrangements intended to retain light sources the fastening means engaging the encapsulation or the packaging of the semiconductor device
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Led Device Packages (AREA)
Abstract
The present invention provides a kind of lens, and which includes bottom surface and the exiting surface opposite with the bottom surface, and the bottom surface is offered for housing the host cavity of light source.The lens also include that the incidence surface being oppositely arranged with the host cavity, the incidence surface are disposed opposite to each other with the exiting surface.The incidence surface is interconnected to form successively by multiple annular surfaces.The present invention also provides a kind of light-emitting device with the lens.
Description
Technical field
The present invention relates to a kind of lens and the light-emitting device with the lens.
Background technology
Due to optical element design make rapid progress and LED light-emitting component various informative, derived diversification product.Wherein, lens are used for making the circular light spot that LED light-emitting component sends into Elongated light spot, optically focused and diffusion and other effects to meet the demand of every product.In prior art, for reaching the effect of light diffusion or convergence, the lens surface is designed as concave surface or convex surface.
But, existing lensed surface is often single curved surface, and when near field light efficiency is used in, the lens cannot only lean on the structure of itself to adjust light efficiency path, causes the brightness unevenness of part hot spot and overall light efficiency poor.
Content of the invention
In view of this, it is necessary to which a kind of lens and the light-emitting device with the lens that can preferably adjust opticpath are provided.
A kind of lens, which includes bottom surface and the exiting surface opposite with the bottom surface, and the bottom surface is offered for housing the host cavity of light source.The lens include the incidence surface relative with the host cavity, and the incidence surface is disposed opposite to each other with the exiting surface.The incidence surface is interconnected to form successively by multiple annular surfaces.
Lens and the light-emitting device with the lens that the present invention is provided, the incidence surface is interconnected to form successively by multiple annular surfaces, the light that the light source sends is sent from the exiting surface after the plurality of annular surface repeatedly refraction and reflection, opticpath is adjusted so that light preferably dissipates or restrains polymerization.
Description of the drawings
Fig. 1 is the sectional view of the lens that first embodiment of the invention is provided.
Fig. 2 is a kind of sectional view of illuminator of the lens with Fig. 1.
Fig. 3 is the sectional view of the lens that second embodiment of the invention is provided.
Fig. 4 is a kind of sectional view of illuminator of the lens with Fig. 3.
Main element symbol description
Following specific embodiment will further illustrate the present invention in conjunction with above-mentioned accompanying drawing.
Specific embodiment
Refer to Fig. 1, the lens 100 that first embodiment of the invention is provided, which is in column type substantially.The lens 100 include bottom surface 31 and the exiting surface 34 opposite with the bottom surface 31.In present embodiment, the exiting surface 34 is plane, the pollutant such as dust for being easy to clean on the exiting surface 34.The bottom surface 31 offers a host cavity 32, and the host cavity 32 is used for housing light source 10.The lens 100 also include the incidence surface 33 relative with the host cavity 32, and the incidence surface 33 is oppositely arranged with the light source 10.The incidence surface 33 is interconnected to form successively by multiple annular surfaces 331, and the curved surface 331 is concave surface.In present embodiment, substantially symmetrical about its central axis setting of the incidence surface 33 with regard to the lens 100.The internal diameter of the plurality of annular surface 331 successively decreases to the exiting surface 34 from the bottom surface 31 along the central shaft of the lens 100.The top of the incidence surface 33 is formed with the projection 332 that protrudes towards the bottom surface 31, and the projection 332 is substantially tapered, the projection 332 can make through light form multiple refraction action, therefore can make the lens 100 that there is preferably light effect.The taper side of the projection 332 is concave surface.
Fig. 2 is referred to, the light-emitting device 200 of the lens 100 with first embodiment of the invention, it include light source 10, package board 20 and lens 100.The light source 10 is arranged in the package board 20, and is housed in the host cavity 32.The package board 20 seals the host cavity 32, the light source 10 is encapsulated in the host cavity 32.In present embodiment, the light source 10 is LED light source；The geometric center of the light source 10 is located on the central shaft of the lens 100.
When the light-emitting device 200 works, the light that the light source 10 sends reaches the incidence surface 33, and the light is reflected for more than 33 times through the incidence surface and sent from the exiting surface 34 after reflection, and the light realizes the effect of light diffusion by the incidence surface 33.
Fig. 3, the lens 300 that second embodiment of the invention is provided, 100 basic simlarity of lens that the lens 300 are provided is referred to first embodiment.The lens 300 are in column type substantially, and which includes bottom surface 51 and the exiting surface 54 opposite with the bottom surface 51.In present embodiment, the exiting surface 54 is plane, the pollutant such as dust for being easy to clean on the exiting surface 54.The bottom surface 51 offers a host cavity 52, and the host cavity 52 is used for housing light source 10.The lens 300 also include the incidence surface 53 relative with the host cavity 52, and the incidence surface 53 is oppositely arranged with the light source 10.The incidence surface 53 is interconnected to form successively by multiple annular surfaces 531, and the curved surface 531 is convex surface.In present embodiment, substantially symmetrical about its central axis setting of the incidence surface 53 with regard to the lens 300.The internal diameter of the plurality of annular surface 531 successively decreases to the exiting surface 54 from the bottom surface 51 along the central shaft of the lens 300.The top of the incidence surface 53 is formed with the groove 532 towards the depression of the exiting surface 54.The groove 532 is in isosceles triangle parallel to the cross section of the central shaft of the lens 300 substantially, and the base of the cross section is basically parallel to the bottom surface 51.
Fig. 4, the light-emitting device 400 of the lens 300 with second embodiment of the invention that the present invention is provided, 200 basic simlarity of light-emitting device that the light-emitting device 400 is provided is referred to second embodiment.The light-emitting device 400 includes light source 10, package board 20 and lens 300.The light source 10 is arranged in the package board 20, and is housed in the host cavity 52.The package board 20 seals the host cavity 52, the light source 10 is encapsulated in the host cavity 52.In present embodiment, the light source 10 is LED light source；The geometric center of the light source 10 is located on the central shaft of the lens 300.
When the light-emitting device 400 works, the light that the light source 10 sends reaches the incidence surface 53, and the light is reflected for more than 53 times through the incidence surface and sent from the exiting surface 54 after reflection, and the light realizes the effect of ray convergence polymerization by the incidence surface 53.
Lens and the light-emitting device with the lens that the present invention is provided, the incidence surface is interconnected to form successively by multiple annular surfaces, the light that the light source sends is sent from the exiting surface after the plurality of annular surface repeatedly refraction and reflection, opticpath is adjusted so that light preferably dissipates or restrains polymerization.
It is understood that for the person of ordinary skill of the art, other various corresponding changes and deformation can be made with technology according to the present invention design, and all these changes and deformation should all belong to the protection domain of the claims in the present invention.
Claims (10)
1. a kind of lens, which includes bottom surface and the exiting surface opposite with the bottom surface, and the bottom surface is offered for housing the host cavity of light source, and the lens also include the incidence surface relative with the host cavity；The incidence surface is disposed opposite to each other with the exiting surface, it is characterised in that：The incidence surface is interconnected to form successively by multiple annular surfaces.
2. lens as claimed in claim 1, it is characterised in that：The annular surface is convex surface or concave surface.
3. lens as claimed in claim 1, it is characterised in that：The projection that protrudes towards the bottom surface is formed with the top of the incidence surface, the projection is generally conical shape, the raised taper side is concave surface.
4. lens as claimed in claim 1, it is characterised in that：The internal diameter of the plurality of annular surface successively decreases to the exiting surface from the bottom surface along the central shaft of the lens.
5. lens as claimed in claim 1, it is characterised in that：The lens are in column type substantially, substantially symmetrical about its central axis setting of the incidence surface with regard to the lens.
6. a kind of light-emitting device, it include that light source and the lens described in any one of claim 1-5, the light source are contained in the collecting intracavity.
7. light-emitting device as claimed in claim 6, it is characterised in that：The light-emitting device also includes package board, and the package board is used for the light-source encapsulation in the collecting intracavity, and the light source is arranged in the package board.
8. light-emitting device as claimed in claim 6, it is characterised in that：The light source is oppositely arranged with the incidence surface.
9. light-emitting device as claimed in claim 6, it is characterised in that：The light source is LED light source.
10. light-emitting device as claimed in claim 9, it is characterised in that：The geometric center of the light source is located on the central shaft of the lens.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510561795.8A CN106500057A (en) | 2015-09-07 | 2015-09-07 | Lens and the light-emitting device with the lens |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510561795.8A CN106500057A (en) | 2015-09-07 | 2015-09-07 | Lens and the light-emitting device with the lens |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106500057A true CN106500057A (en) | 2017-03-15 |
Family
ID=58286405
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510561795.8A Pending CN106500057A (en) | 2015-09-07 | 2015-09-07 | Lens and the light-emitting device with the lens |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106500057A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107816702A (en) * | 2017-11-15 | 2018-03-20 | 惠州市日泰信光电有限公司 | A kind of Novel asymmetric designs LED lens |
| WO2022246980A1 (en) * | 2021-05-26 | 2022-12-01 | 南京微纳科技研究院有限公司 | Endoscope lighting system and lens thereof, and endoscope device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201072049Y (en) * | 2007-08-31 | 2008-06-11 | 薛文艳 | LED light projector |
| CN102748706A (en) * | 2011-04-21 | 2012-10-24 | 岚雅光学股份有限公司 | Lens lamp cup combined structure and lamp fitting with same |
| CN103185288A (en) * | 2011-12-29 | 2013-07-03 | 海洋王照明科技股份有限公司 | Lens and high-luminous-intensity runway guard light provided with lens |
| CN103900023A (en) * | 2012-12-28 | 2014-07-02 | 鸿富锦精密工业（深圳）有限公司 | Optical lens and light-emitting component using the optical lens |
| CN104075239A (en) * | 2013-03-29 | 2014-10-01 | 海洋王（东莞）照明科技有限公司 | Optical system and illuminating device with same |
-
2015
- 2015-09-07 CN CN201510561795.8A patent/CN106500057A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201072049Y (en) * | 2007-08-31 | 2008-06-11 | 薛文艳 | LED light projector |
| CN102748706A (en) * | 2011-04-21 | 2012-10-24 | 岚雅光学股份有限公司 | Lens lamp cup combined structure and lamp fitting with same |
| CN103185288A (en) * | 2011-12-29 | 2013-07-03 | 海洋王照明科技股份有限公司 | Lens and high-luminous-intensity runway guard light provided with lens |
| CN103900023A (en) * | 2012-12-28 | 2014-07-02 | 鸿富锦精密工业（深圳）有限公司 | Optical lens and light-emitting component using the optical lens |
| CN104075239A (en) * | 2013-03-29 | 2014-10-01 | 海洋王（东莞）照明科技有限公司 | Optical system and illuminating device with same |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107816702A (en) * | 2017-11-15 | 2018-03-20 | 惠州市日泰信光电有限公司 | A kind of Novel asymmetric designs LED lens |
| WO2022246980A1 (en) * | 2021-05-26 | 2022-12-01 | 南京微纳科技研究院有限公司 | Endoscope lighting system and lens thereof, and endoscope device |
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|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170315 |
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| WD01 | Invention patent application deemed withdrawn after publication |