CN104456323A - Optical element - Google Patents
Optical element Download PDFInfo
- Publication number
- CN104456323A CN104456323A CN201410767865.0A CN201410767865A CN104456323A CN 104456323 A CN104456323 A CN 104456323A CN 201410767865 A CN201410767865 A CN 201410767865A CN 104456323 A CN104456323 A CN 104456323A
- Authority
- CN
- China
- Prior art keywords
- light
- light guide
- section
- guide section
- transmittance section
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S8/00—Lighting devices intended for fixed installation
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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
- F21V13/00—Producing particular characteristics or distribution of the light emitted by means of a combination of elements specified in two or more of main groups F21V1/00 - F21V11/00
- F21V13/02—Combinations of only two kinds of elements
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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
- F21V5/08—Refractors for light sources producing an asymmetric light distribution
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0096—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the lights guides being of the hollow type
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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
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
The invention discloses an optical element comprising a light guide portion in a hollow column sharp and a light transmittance portion which is formed with the light guide portion integrally and which extends from the light guide portion. A cavity is formed in the light guide portion, and the light transmittance portion is located on one side of the cavity; the light guide portion is provided with a first light inlet and a first light outlet, light entering the first light inlet is guided through the light guide portion, and the optical effect is formed at the first light outlet of the light guide portion; the cavity is provided with a second light inlet located on one side of the cavity backing to the light transmittance portion, and the light entering the second light inlet emits from the light transmittance portion via the cavity.
Description
[technical field]
The present invention relates to a kind of optical element, especially for the optical element of LED light source.
[background technology]
Along with the application of LED, the outward appearance of lighting device can be designed increasing shape and present profile and the light efficiency of more different-effects, and therefore, optical element (as lens, light guide plate etc.) is more and more applied in lighting device.Chinese patent application discloses No. CN202647393U, discloses a kind of light structure.This light structure comprises lamp bowl and covers the lens lampshade be connected on lamp bowl, and its lamp bowl is provided with at least two-layer guide-lighting cup from the inside to the outside, and every layer of guide-lighting cup is equiped with independently light emitting source.This light structure can form middle key lighting from the teeth outwards, around the effect of floor light, thus can arrange colored aperture.
But it is inner that this light structure is only applicable to be positioned over lamp bowl, and guide-lighting cup etc. cannot arrange separately and use as housing.The complex structure of this light structure simultaneously, is unfavorable for producing, assembling and modular application.
Therefore, in order to overcome above-mentioned defect, be necessary the optical element that a kind of improvement is provided.
[summary of the invention]
The object of the present invention is to provide a kind of optical element.
To achieve these goals, the present invention adopts following technical scheme: a kind of optical element, comprise the light guide section of hollow columnar and one-body molded with described light guide section, from the transmittance section that described light guide section extends, the inside of described light guide section forms a cavity, described transmittance section is positioned at the side of described cavity, described light guide section has the first light inlet and the first light-emitting window, optical effect is formed by described light guide section leaded light at the first light-emitting window of described light guide section from the light of described first light inlet incidence, described cavity has the second light inlet, it is opposing in the side of described transmittance section that described second light inlet is positioned at described cavity, transmit from described transmittance section through cavity from the light of described second light inlet incidence.
Preferably, also form optical effect from the light of described second light inlet incidence in described light guide section side, the color that described light guide section side presents is identical with from the color of described second light inlet incident ray.
Preferably, the light guide section of described optical element is externally cylindrical, has at least one cross section for annular.
Preferably, the light guide section of described optical element has the sidewall extended along longitudinally, described sidewall perpendicular to the plane of longitudinally surrounds one close shape, described first light inlet, the first light-emitting window lay respectively at the both sides of the longitudinally of described sidewall, the inside of described sidewall is full of transparent material, guides to described first light-emitting window injection by from described sidewall at the light of described first light inlet incidence.
Preferably, from the light of described sidewall in the side incidence of longitudinally, seldom can penetrate in the side perpendicular to described longitudinally from sidewall.
Preferably, described first light inlet and described second light inlet are positioned at same plane.
Preferably, described optical element also comprises diffusion part, and described diffusion part is arranged in the cavity of described light guide section, and described diffusion part is shaping separately and be fixed on described transmittance section, or one-body molded with described transmittance section, or be formed at again on described transmittance section after described transmittance section is shaping.
Preferably, described diffusion part in dish, comprise circular pedestal and extend from described pedestal, diameter expands and smooth extension gradually.
Preferably, described diffusion part has some fins towards the surface of described transmittance section.
Preferably, described fin is curved.
Preferably, described diffusion part also comprises becket, and described becket is between described diffusion part and described transmittance section.
Preferably, described transmittance section is cylindrical, and the maximum gauge of described transmittance section is greater than the maximum gauge of described light guide section, and described transmittance section is less than the height of described light guide section along direction, described axis along the height in direction, described optical element axis.
Preferably, described transmittance section comprises the circular transmittance section being positioned at described cavity side and the first annular transmittance section be connected with described light guide section, described first light inlet, light guide section and described first annular transmittance section form the first optics portion, and described second light inlet, cavity and described circular transmittance section form the second optics portion.
Preferably, described transmittance section also comprises the second annular transmittance section be formed at outside described first annular transmittance section that to stretch out from described first annular transmittance section, and the minimum place of diameter of described second annular transmittance section is connected with described light guide section.
Preferably, the opposing bottom surface in described transmittance section of described light guide section has some fins, and described fin is uniformly distributed in the bottom surface of described light guide section.
Preferably, have diffusion layer between described cavity and described light guide section, described diffusion layer is formed on described light guide section or by a diffusion film being arranged in described cavity and provides.
Compared to prior art, optical element of the present invention has following advantage: optical element entirety is penetrating, attractive in appearance, and structure is simple, convenient to be manufactured, and simple structure can use as the shell of lighting device.
[accompanying drawing explanation]
Fig. 1 is the three-dimensional exploded view of optical element of the present invention.
Fig. 2 is the stereogram of the main part of optical element of the present invention.
[detailed description of the invention]
Please refer to shown in Fig. 1 to Fig. 2, a kind of optical element 1 of present pre-ferred embodiments, comprise the light guide section 11 of hollow columnar and one-body molded with light guide section 11, from the transmittance section 12 that light guide section 11 extends, the inside of light guide section 11 forms a cavity 13, transmittance section 12 is positioned at the side of cavity 13, light guide section 11 has the first light inlet 110 and the first light-emitting window (non-label), first light-emitting window is connected with transmittance section 12, optical effect is formed by light guide section 11 leaded light at the first light-emitting window of light guide section 11 from the light of the first light inlet 110 incidence, cavity 13 has the non-label of the second light inlet 130(), it is opposing in the side of transmittance section 12 that second light inlet 130 is positioned at cavity 13, transmit from transmittance section 12 through cavity 13 from the light of the second light inlet 130 incidence.The body comprises transparent material of optical element 1 is made, overall penetrating.In the present embodiment, transmittance section 12 extends in the horizontal direction, and light guide section 11 extends along vertical bearing of trend.Transmittance section 12 width is in the horizontal direction larger than the height of in the vertical direction, therefore horizontal direction is the longitudinally of transmittance section 12, and light guide section 11 has cavity 13, the height of light guide section 11 Thickness Ratio transmittance section 12 in the vertical direction is in the horizontal direction little, and therefore vertical direction is the longitudinally of light guide section 11.The longitudinally of transmittance section 12 is vertical with the longitudinally of light guide section 11.Optical element 1 of the present invention has integrated light guide section 11 and transmittance section 12, and light guide section 11 is guide-lighting to the light of the first light inlet 110, transmittance section 12 is to the light printing opacity of the second light inlet 130, make optical element 1 of the present invention can be formed on the exiting surface 120 of transmittance section 12 key lighting add around the light-out effect of floor light, and light guide section 11 has penetrating sense, such structure makes the light of part second light inlet 130 also part can form overall penetrating effect by light guide section 11.Meanwhile, add floor light because exiting surface 120 can be set to key lighting, therefore can realize the aesthetic of multiple illumination, such as, floor light is set to colour etc.Light guide section 11 and transmittance section 12 form the main part 10 of optical element 1.
Further, the light of the second light inlet 130 incidence also forms optical effect in light guide section 11 side, and the color that light guide section 11 side presents is identical with from the color of the second light inlet 130 incident ray.
The light guide section 11 of the optical element 1 in the present embodiment is externally cylindrical, has at least one cross section for annular.Such cylindrical structural makes the handsome in appearance of optical element 1, can not need to add the housings such as other face shields again as the housing of lighting device (not shown), thus make the structure of lighting device simpler, and whole lighting device effect penetrating, attractive in appearance can be realized.
Further, the light guide section 11 of optical element 1 has the sidewall 112 extended along longitudinally, sidewall 112 perpendicular to the plane of longitudinally surrounds one close shape, first light inlet 110, first light-emitting window lays respectively at the both sides of the longitudinally of sidewall 112, the inside of sidewall 112 is full of transparent material, guides to the first light-emitting window injection by from sidewall 112 at the light of the first light inlet 110 incidence.Namely seldom penetrate from the side of light guide section 11 from the light of the first light inlet 110 incidence of light guide section 11.In the present embodiment, the first light inlet 110 and the second light inlet 130 are positioned at same plane.In other embodiments, also the first light inlet 110 and the second light inlet 130 can be arranged at different surfaces.
Optical element 1 also comprises diffusion part 14, and diffusion part 14 is arranged in the cavity 13 of light guide section 11, and diffusion part 14 is shaping separately and be fixed on transmittance section 12, or one-body molded with transmittance section 12, or is formed on transmittance section 12 after transmittance section 12 is shaping again.Transmittance section 12 is set to transparent, and diffusion part 14 arranges separately or is attached on transmittance section 12, makes optical element 1 of the present invention can either have penetrating effect, again can anti-glazing light.
Diffusion part 14 in dish, comprise circular pedestal 141 and extend from pedestal 141, diameter expands and smooth extension 142 gradually.Diffusion part 14 has some fins 143, to reach light efficiency attractive in appearance towards the surface of transmittance section 12.In the present embodiment, fin 143 is curved, and in other embodiments, fin 143 also can be designed to other shapes as required.
Diffusion part 14 also comprises becket (not shown), and becket is between diffusion part 14 and transmittance section 12.Becket needs to arrange according to the design of light efficiency and outward appearance according in the present embodiment, also can not have becket, or also can add other elements as required to reach required effect on diffusion part 14 in other embodiments.
Transmittance section 12 is cylindrical, and the maximum gauge of transmittance section 12 is greater than the maximum gauge of light guide section 11, and transmittance section 12 is less than the height of light guide section 11 along direction, axis along the height in direction, optical element 1 axis.Axis refers to optical element 1 along straight line axial symmetry, and this straight line is the axis of optical element 1.
Transmittance section 12 comprises the circular transmittance section 121 being positioned at cavity 13 side and the first annular transmittance section 122 be connected with light guide section 11, circular transmittance section 121 is roughly the same with the diameter of cavity 13, the external diameter of the first annular transmittance section 122 is roughly the same with the external diameter of light guide section 11, first light inlet 110, light guide section 11 and the first annular transmittance section 122 form the first optics portion (non-label), and the second light inlet 130, cavity 13 and circular transmittance section 121 form the second optics portion (non-label).First light inlet 110 in the first optics portion may correspond to and arranges first group of light source (not shown), and second light inlet 130 in the second optics portion may correspond to and arranges second group of light source (not shown).
Circular transmittance section 121 and the first annular transmittance section 122 one-body molded.
The minimum place of diameter that transmittance section 121 also comprises the second annular transmittance section 123, annular transmittance section 123, second be formed at outside the first annular transmittance section 122 that to stretch out from the first annular transmittance section 122 is connected with light guide section 11.
The opposing bottom surface 123 in transmittance section 12 of light guide section 11 has some fins (not shown), fin and light guide section 11 one-body molded, be also made up of transparent material, and be uniformly distributed in the bottom surface 123 of described light guide section 11.In other embodiments, also can not fin be set.
Have diffusion layer (non-label) between cavity 13 and light guide section 11, diffusion layer is formed on light guide section 11 or by a diffusion film being arranged in cavity 13 and provides.Light guide section 11 is set to transparent, and diffusion layer arranges separately or is attached on light guide section 11, both can keep the penetrating of light guide section 11 entirety, can reduce again and dazzle light.In the present embodiment, diffusion layer is the diffusion film 15 that one deck is arranged in cavity 13.In other embodiments, also as required diffusion layer can be set.
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 (16)
1. an optical element, comprise the light guide section of hollow columnar and one-body molded with described light guide section, from the transmittance section that described light guide section extends, the inside of described light guide section forms a cavity, described transmittance section is positioned at the side of described cavity, described light guide section has the first light inlet and the first light-emitting window, optical effect is formed by described light guide section leaded light at the first light-emitting window of described light guide section from the light of described first light inlet incidence, described cavity has the second light inlet, it is opposing in the side of described transmittance section that described second light inlet is positioned at described cavity, transmit from described transmittance section through cavity from the light of described second light inlet incidence.
2. optical element as claimed in claim 1, it is characterized in that: also form optical effect from the light of described second light inlet incidence in described light guide section side, the color that described light guide section side presents is identical with from the color of described second light inlet incident ray.
3. optical element as claimed in claim 1, is characterized in that: the light guide section of described optical element, externally for cylindrical, has at least one cross section for annular.
4. optical element as claimed in claim 1, it is characterized in that: the light guide section of described optical element has the sidewall extended along longitudinally, described sidewall perpendicular to the plane of longitudinally surrounds one close shape, described first light inlet, the first light-emitting window lay respectively at the both sides of the longitudinally of described sidewall, the inside of described sidewall is full of transparent material, guides to described first light-emitting window injection by from described sidewall at the light of described first light inlet incidence.
5. optical element as claimed in claim 4, is characterized in that: from the light of described sidewall in the side incidence of longitudinally, seldom can penetrate in the side perpendicular to described longitudinally from sidewall.
6. optical element as claimed in claim 1, is characterized in that: described first light inlet and described second light inlet are positioned at same plane.
7. optical element as claimed in claim 1, it is characterized in that: described optical element also comprises diffusion part, described diffusion part is arranged in the cavity of described light guide section, described diffusion part is shaping separately and be fixed on described transmittance section, or one-body molded with described transmittance section, or be formed at again on described transmittance section after described transmittance section is shaping.
8. optical element as claimed in claim 7, is characterized in that: described diffusion part in dish, comprise circular pedestal and extend from described pedestal, diameter expands and smooth extension gradually.
9. optical element as claimed in claim 8, is characterized in that: described diffusion part has some fins towards the surface of described transmittance section.
10. optical element as claimed in claim 9, is characterized in that: described fin is curved.
11. optical elements as claimed in claim 7, it is characterized in that: described diffusion part also comprises becket, described becket is between described diffusion part and described transmittance section.
12. optical elements as claimed in claim 1, it is characterized in that: described transmittance section is cylindrical, the maximum gauge of described transmittance section is greater than the maximum gauge of described light guide section, and described transmittance section is less than the height of described light guide section along direction, described axis along the height in direction, described optical element axis.
13. optical elements as claimed in claim 1, it is characterized in that: described transmittance section comprises the circular transmittance section being positioned at described cavity side and the first annular transmittance section be connected with described light guide section, described first light inlet, light guide section and described first annular transmittance section form the first optics portion, and described second light inlet, cavity and described circular transmittance section form the second optics portion.
14. optical elements as claimed in claim 13, it is characterized in that: described transmittance section also comprises the second annular transmittance section be formed at outside described first annular transmittance section that to stretch out from described first annular transmittance section, and the minimum place of diameter of described second annular transmittance section is connected with described light guide section.
15. optical elements as claimed in claim 1, is characterized in that: the opposing bottom surface in described transmittance section of described light guide section has some fins, and described fin is uniformly distributed in the bottom surface of described light guide section.
16. optical elements as claimed in claim 1, is characterized in that: have diffusion layer between described cavity and described light guide section, described diffusion layer is formed on described light guide section or by a diffusion film being arranged in described cavity and provides.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410767865.0A CN104456323A (en) | 2014-12-12 | 2014-12-12 | Optical element |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410767865.0A CN104456323A (en) | 2014-12-12 | 2014-12-12 | Optical element |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104456323A true CN104456323A (en) | 2015-03-25 |
Family
ID=52902817
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410767865.0A Pending CN104456323A (en) | 2014-12-12 | 2014-12-12 | Optical element |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104456323A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101676622A (en) * | 2008-09-17 | 2010-03-24 | 华兴电子工业股份有限公司 | Luminous structure with ring-shaped luminous effect |
| CN201487620U (en) * | 2009-04-27 | 2010-05-26 | 华兴电子工业股份有限公司 | Luminous structure with annular luminous effect |
| CN202521438U (en) * | 2012-01-10 | 2012-11-07 | 付杰 | Combined light-emitting diode (LED) ceiling lamp |
| CN102809064A (en) * | 2011-05-31 | 2012-12-05 | 隆达电子股份有限公司 | Light emitting diode lamp |
| US8876348B2 (en) * | 2007-02-12 | 2014-11-04 | Fusion Optix, Inc | Light fixture comprising a multi-functional non-imaging opitical component |
| CN203979942U (en) * | 2014-06-30 | 2014-12-03 | 欧普照明股份有限公司 | A kind of light fixture |
| CN204268246U (en) * | 2014-12-12 | 2015-04-15 | 欧普照明股份有限公司 | A kind of optical element |
-
2014
- 2014-12-12 CN CN201410767865.0A patent/CN104456323A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8876348B2 (en) * | 2007-02-12 | 2014-11-04 | Fusion Optix, Inc | Light fixture comprising a multi-functional non-imaging opitical component |
| CN101676622A (en) * | 2008-09-17 | 2010-03-24 | 华兴电子工业股份有限公司 | Luminous structure with ring-shaped luminous effect |
| CN201487620U (en) * | 2009-04-27 | 2010-05-26 | 华兴电子工业股份有限公司 | Luminous structure with annular luminous effect |
| CN102809064A (en) * | 2011-05-31 | 2012-12-05 | 隆达电子股份有限公司 | Light emitting diode lamp |
| CN202521438U (en) * | 2012-01-10 | 2012-11-07 | 付杰 | Combined light-emitting diode (LED) ceiling lamp |
| CN203979942U (en) * | 2014-06-30 | 2014-12-03 | 欧普照明股份有限公司 | A kind of light fixture |
| CN204268246U (en) * | 2014-12-12 | 2015-04-15 | 欧普照明股份有限公司 | A kind of optical element |
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| Date | Code | Title | Description |
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| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150325 |
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| RJ01 | Rejection of invention patent application after publication |