CN104482438A - LED (Light-Emitting Diode) lamp - Google Patents
LED (Light-Emitting Diode) lamp Download PDFInfo
- Publication number
- CN104482438A CN104482438A CN201410777885.6A CN201410777885A CN104482438A CN 104482438 A CN104482438 A CN 104482438A CN 201410777885 A CN201410777885 A CN 201410777885A CN 104482438 A CN104482438 A CN 104482438A
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- CN
- China
- Prior art keywords
- optical element
- led
- protuberance
- lens
- light source
- 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.)
- Granted
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21K—NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
- F21K9/00—Light sources using semiconductor devices as light-generating elements, e.g. using light-emitting diodes [LED] or lasers
- F21K9/20—Light sources comprising attachment means
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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
- F21V17/00—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
- F21V17/10—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening
- F21V17/12—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening by screwing
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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
- F21V23/00—Arrangement of electric circuit elements in or on lighting devices
- F21V23/003—Arrangement of electric circuit elements in or on lighting devices the elements being electronics drivers or controllers for operating the light source, e.g. for a LED array
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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
- 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
- F21Y2101/00—Point-like light sources
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
The invention discloses an LED (Light-Emitting Diode) lamp which comprises a light source and a lens, wherein the lens comprises a hollow accommodating cavity for accommodating the light source, a first optical element positioned at the periphery of the accommodating cavity and a second optical element positioned below the first optical element; the outer diameter of the second optical element is greater than that of the first optical element; the accommodating cavity penetrates through the second optical element along the vertical direction and is partially positioned in the first optical element; the light source is partially positioned in the accommodating cavity and is partially exposed out of the accommodating cavity.
Description
[technical field]
The present invention relates to a kind of lighting device, especially a kind of LED.
[background technology]
In modern Lighting Design, LED ball bubble or candle lamp are a kind of common light source, usually in various light fixture, and such as eat pendent lamp, Down lamp, Crystal lamp etc.But traditional LED light source or illumination effect are bright not, or lighting angle is large not.
Therefore, in order to overcome above-mentioned defect, be necessary the LED that a kind of improvement is provided.
[summary of the invention]
The object of the present invention is to provide a kind of LED.
To achieve these goals, the present invention adopts following technical scheme: a kind of LED, comprise light source and lens, described lens comprise the host cavity for placing light source of hollow, be positioned at around host cavity the first optical element and the second optical element of being positioned at below the first optical element, the external diameter of the second optical element is greater than the first optical element, host cavity is along upper and lower to running through the second optical element and being partly positioned at the first optical element, and described the Lights section is arranged in described host cavity part and exposes host cavity outside.
Preferably, described LED also comprises lamp body, the bossed protuberance of described lamp body tool, and described protuberance has end face and is positioned at basifacial side, described top, has at least part light source to be fixed on the side of described protuberance.
Preferably, described lens are fixed on the protuberance of described lamp body.
Preferably, have through hole in the middle part of described lens, described lens are fixed on the protuberance of described lamp body by external fixation device by described through hole.
Preferably, described protuberance is even thermal, and described protuberance embeds plastic material by plastic material, metal material or metal material and makes.
Preferably, described lens are hat shape, described first optical element and the second optical element one-body molded.
Preferably, the lateral surface of described first optical element comprises some cut surfaces.
Preferably, the main part that described first optical element comprises truncated cone-shaped and the extension extended outward from described main part, described host cavity is positioned at the middle and lower part of described main part.
Preferably, described main part and described extension have some exiting surfaces respectively.
Preferably, described LED also comprises optical mask, the coated described lens of described optical mask, light source and at least part of protuberance.
Compared to prior art, LED of the present invention has following advantage: can not only well realize wide-angle luminescence, can adjust the illumination effect of LED by scioptics easily again simultaneously.
[accompanying drawing explanation]
Fig. 1 is the stereogram of the preferred embodiment of LED of the present invention.
Fig. 2 is the profile of the preferred embodiment of LED of the present invention.
Fig. 3 is the partial enlarged drawing of the preferred embodiment of LED of the present invention.
Fig. 4 is the stereogram of the lens of the preferred embodiment of LED of the present invention.
Fig. 5 is the stereogram of another angle of the lens of the preferred embodiment of LED of the present invention.
[detailed description of the invention]
Please refer to shown in Fig. 1 to Fig. 5, the LED 1 of present pre-ferred embodiments, comprise lamp body 10, light source 20 and lens 30.The bossed protuberance 11 of lamp body 10 tool, protuberance 11 has end face 110 and is positioned at the side 112 of end face 110 bottom, has at least part light source 20 to be fixed on the side 112 of protuberance 11, and light source 20 penetrates after at least having some light scioptics 30.In present pre-ferred embodiments, part light source 20 is had at least to be positioned at the side 112 of protuberance 11, and light source 20 at least has some light scioptics 30 penetrates, make LED 1 of the present invention can not only well realize wide-angle luminescence like this, the illumination effect of LED can be adjusted by scioptics 30 easily again simultaneously.
In the present embodiment, lens 30 are fixed on the protuberance 11 of lamp body 10, make the convenient adjustment in the position of lens 30 like this and easy for installation.Light source 20 part being positioned at protuberance 11 side 112 is surrounded by lens 30, and it is outside that a part exposes lens 30, and light source 20 penetrates after having the bottom reflection of a part of rays pass through lens 30.The light distribution angle of light source 20 is made better to adjust as required like this.In other embodiments, it is inner that light source 20 also can be positioned at lens 30 completely.
Please refer to Fig. 4 and Fig. 5, lens 30 comprise the host cavity 301 for placing light source of hollow, be positioned at around host cavity 301 the first optical element 31 and the second optical element 32 of being positioned at below the first optical element 31, the external diameter of the second optical element 32 is greater than the first optical element 31, host cavity 301 is along upper and lower to running through the second optical element 32 and being partly positioned at the first optical element 31, light source 20 part is arranged in host cavity 301, and it is outside that part is positioned at host cavity 301.Most of rays pass through lens 30 that light source 20 is positioned at the part injection of host cavity 301 reflects rear injection, be positioned at the part of host cavity 301 outside, one some light directly penetrates, penetrate after part rays pass through lens bottom reflection, thus the light distribution angle of LED 1 can better be adjusted as required
Further, lens 30 in hat shape, the first optical element 31 and the second optical element 32 one-body molded, the lateral surface of the first optical element 31 comprises some cut surfaces.。Lens 30 are along an axis axial symmetry, and between the bottom surface 325 of the second optical element 32 and axis, shape has angle, and angle is between 45 degree to 90 degree.Namely the bottom surface 325 of the second optical element 32 is not level, but a clinoplain, make the some light of light source 20 reflect by the bottom surface 325 of the second optical element 32 and form larger lighting angle.And the lens 30 of hat shape can make the exiting surface of the second optical element 32 stretch out, thus conveniently increase exiting surface, to realize more bright effect.In the present embodiment, for transparent material is made bottom the second optical element 32, do not cover reflecting material, therefore bottom neither be reflected completely to the reflection of light, has some light to enter lens 30.Here the reflection ray of indication, is represent after bottom light directive second optical element 32, at least has some light and reflected rear injection.In other embodiments, also can increase reflectorized material to increase reflectivity bottom the second optical element 32.
First optical element 31 comprises the extension 312 that the main part 310 of truncated cone-shaped and main body 310 extend outward, and host cavity 301 is positioned at the middle and lower part of main part 310.Main part 310 and extension 312 have some exiting surfaces respectively.
Have through hole 302 in the middle part of lens 30, lens 30 are fixed on the protuberance 11 of lamp body 10 by external fixation device by through hole 302.
Main part 310 is the truncated cone-shaped of hollow, and the outside of truncated cone-shaped is extended portion 312 and is divided into some exiting surfaces.Namely the exiting surface 1202 of main part 120 is be split to form by extension 121 at least partly.
Extension 312 comprises the tapered portion that some main body 310 extend, and the top of tapered portion main body 310 is downwardly towards shrinking gradually outward, and width narrows gradually, forms some exiting surfaces.
Second optical element 32 comprises some light and leads to portion 320 and connect the connecting portion 322 that light between two leads to portion 320, light leads to the bottom surface 325 that portion 320 and the bottom surface of connecting portion 322 are connected to each other formation second optical element 32, and light can lead to the end face of portion 320 and connecting portion 322 from light and side transmits.
Light leads to portion 320 for triangular pyramidal, from the exterior bottom inwardly upper contraction of the second optical element 32, forms three exiting surfaces 3201,3202,3203.Every a junction 322 in wedge shape, and has outside opening 324, makes the end face of every a junction 322 and side have three exiting surfaces 3221,3222,3223 altogether.
In other embodiments, the extension 312 of lens 30, light lead to portion 320 etc. and also can be designed as other shapes, such as taper shape, prismatoid etc. shape.
Protuberance 11 is even thermal, and protuberance 11 embeds plastic material by plastic material, metal material or metal material and makes.Light source 20 also has and is positioned at protuberance 11 end face 110 at least partly.Light source 20 is positioned at protuberance 11 end face 110, can increase LED 1 bright dipping upwards, increases brightness upwards.In other embodiments, light source 20 can not have the part being positioned at protuberance 11 end face 110.In other embodiments, protuberance 11 may not be even thermal, and just extends from lamp body 10, can the element of supporting light sources 20.In the present embodiment, the end face 110 of protuberance 11 does not install light source 20, and its end face 110 has the installing hole (non-label) corresponding with through hole 302, and screw is through through hole 302 and installing hole thus lens 30 are fixed on protuberance 11.In other embodiments, lens 30 also can be fixed by other means.
LED 1 also comprises optical mask 40, the coated lens 30 of optical mask 40, light source 20 and at least part of protuberance 11.Protuberance 11 can all be arranged in optical mask 40, also can partly be arranged in optical mask 40.
LED 1 also comprises drive unit 50, shell 60 and arrangements of electric connection 70, and drive unit 50 is positioned at shell 60, and arrangements of electric connection 70 is positioned at the inside of protuberance 11, electrical connection drive unit 50 and light source 20.In the present embodiment, drive unit 50, shell 60 and arrangements of electric connection 70 is a part for lamp body 10, arrangements of electric connection 70 is wire, in other embodiments, arrangements of electric connection 70 also can be the element that terminal etc. has supporting role, drive unit 50 also can be external as required, and namely drive unit 50 and shell 60 can not be parts for lamp body 10.
LED 1 also comprises lamp holder 80, and lamp holder 80 is connected with external power source (not shown), and lamp holder 80 is fixed on lamp body 10.In the present embodiment, LED 1 is candle lamp, and in other embodiments, LED 1 also can be other balls bubble class light source.
Should be noted that, embodiments of the invention have preferably implementation, and not any type of restriction is done to the present invention, any person skilled in art of being familiar with may utilize the technology contents of above-mentioned announcement change or be modified to equivalent effective embodiment, in every case the content of technical solution of the present invention is not departed from, the any amendment done above embodiment according to technical spirit of the present invention or equivalent variations and modification, all still belong in the scope of technical solution of the present invention.
Claims (10)
1. a LED, comprise light source and lens, described lens comprise the host cavity for placing light source of hollow, be positioned at around host cavity the first optical element and the second optical element of being positioned at below the first optical element, the external diameter of the second optical element is greater than the first optical element, host cavity is along upper and lower to running through the second optical element and being partly positioned at the first optical element, and described the Lights section is arranged in described host cavity part and exposes host cavity outside.
2. LED as claimed in claim 1, it is characterized in that: described LED also comprises lamp body, the bossed protuberance of described lamp body tool, described protuberance has end face and is positioned at basifacial side, described top, has at least part light source to be fixed on the side of described protuberance.
3. LED as claimed in claim 2, is characterized in that: described lens are fixed on the protuberance of described lamp body.
4. LED as claimed in claim 3, it is characterized in that: have through hole in the middle part of described lens, described lens are fixed on the protuberance of described lamp body by external fixation device by described through hole.
5. LED as claimed in claim 2, is characterized in that: described protuberance is even thermal, and described protuberance embeds plastic material by plastic material, metal material or metal material and makes.
6. LED as claimed in claim 1, is characterized in that: described lens are hat shape, described first optical element and the second optical element one-body molded.
7. LED as claimed in claim 1, is characterized in that: the lateral surface of described first optical element comprises some cut surfaces.
8. LED as claimed in claim 7, is characterized in that: the main part that described first optical element comprises truncated cone-shaped and the extension extended outward from described main part, described host cavity is positioned at the middle and lower part of described main part.
9. LED as claimed in claim 8, is characterized in that: described main part and described extension have some exiting surfaces respectively.
10. LED as claimed in claim 1, is characterized in that: described LED also comprises optical mask, the coated described lens of described optical mask, light source and at least part of protuberance.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410777885.6A CN104482438B (en) | 2014-12-15 | 2014-12-15 | LED (Light-Emitting Diode) lamp |
| PCT/CN2015/000842 WO2016095292A1 (en) | 2014-12-15 | 2015-12-02 | Lens and led lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410777885.6A CN104482438B (en) | 2014-12-15 | 2014-12-15 | LED (Light-Emitting Diode) lamp |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104482438A true CN104482438A (en) | 2015-04-01 |
| CN104482438B CN104482438B (en) | 2017-03-22 |
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ID=52757011
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410777885.6A Active CN104482438B (en) | 2014-12-15 | 2014-12-15 | LED (Light-Emitting Diode) lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104482438B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016095292A1 (en) * | 2014-12-15 | 2016-06-23 | 欧普照明股份有限公司 | Lens and led lamp |
| CN105782904A (en) * | 2016-04-28 | 2016-07-20 | 欧普照明股份有限公司 | Light distribution element and illuminating device |
| CN106813208A (en) * | 2015-12-02 | 2017-06-09 | 欧普照明股份有限公司 | A kind of lens and a kind of LED |
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| CN102889549A (en) * | 2012-09-12 | 2013-01-23 | 广东宏泰照明科技有限公司 | Gradually-changed trapezoidal light spot lens |
| CN202691683U (en) * | 2012-07-05 | 2013-01-23 | 厦门永联达光电科技有限公司 | LED (Light Emitting Diode) candle lamp |
| CN203131504U (en) * | 2013-02-01 | 2013-08-14 | 深圳市洲明科技股份有限公司 | Wide angle light-emitting diode (LED) lamp |
| CN103343910A (en) * | 2013-07-25 | 2013-10-09 | 江西量一光电科技有限公司 | LED bulb lamp |
| US20130286657A1 (en) * | 2012-04-26 | 2013-10-31 | Chin-Chung Chen | Optical lens and light source module having the same |
| TW201420956A (en) * | 2012-11-20 | 2014-06-01 | E Pin Optical Industry Co Ltd | LED light distributing lens and light source apparatus using the same |
| CN203963812U (en) * | 2014-06-11 | 2014-11-26 | 新和（绍兴）绿色照明有限公司 | A kind of LED lens |
| CN204268167U (en) * | 2014-12-15 | 2015-04-15 | 欧普照明股份有限公司 | A kind of LED |
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2014
- 2014-12-15 CN CN201410777885.6A patent/CN104482438B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US20130286657A1 (en) * | 2012-04-26 | 2013-10-31 | Chin-Chung Chen | Optical lens and light source module having the same |
| CN202691683U (en) * | 2012-07-05 | 2013-01-23 | 厦门永联达光电科技有限公司 | LED (Light Emitting Diode) candle lamp |
| CN102889549A (en) * | 2012-09-12 | 2013-01-23 | 广东宏泰照明科技有限公司 | Gradually-changed trapezoidal light spot lens |
| TW201420956A (en) * | 2012-11-20 | 2014-06-01 | E Pin Optical Industry Co Ltd | LED light distributing lens and light source apparatus using the same |
| CN203131504U (en) * | 2013-02-01 | 2013-08-14 | 深圳市洲明科技股份有限公司 | Wide angle light-emitting diode (LED) lamp |
| CN103343910A (en) * | 2013-07-25 | 2013-10-09 | 江西量一光电科技有限公司 | LED bulb lamp |
| CN203963812U (en) * | 2014-06-11 | 2014-11-26 | 新和（绍兴）绿色照明有限公司 | A kind of LED lens |
| CN204268167U (en) * | 2014-12-15 | 2015-04-15 | 欧普照明股份有限公司 | A kind of LED |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016095292A1 (en) * | 2014-12-15 | 2016-06-23 | 欧普照明股份有限公司 | Lens and led lamp |
| CN106813208A (en) * | 2015-12-02 | 2017-06-09 | 欧普照明股份有限公司 | A kind of lens and a kind of LED |
| CN105782904A (en) * | 2016-04-28 | 2016-07-20 | 欧普照明股份有限公司 | Light distribution element and illuminating device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104482438B (en) | 2017-03-22 |
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