CN202927737U - Lens, light-emitting diode (LED) module and lighting system using LED module - Google Patents
Lens, light-emitting diode (LED) module and lighting system using LED module Download PDFInfo
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- CN202927737U CN202927737U CN 201220517563 CN201220517563U CN202927737U CN 202927737 U CN202927737 U CN 202927737U CN 201220517563 CN201220517563 CN 201220517563 CN 201220517563 U CN201220517563 U CN 201220517563U CN 202927737 U CN202927737 U CN 202927737U
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Abstract
A lighting system comprises at least a light-emitting diode (LED) module and at least a lighted surface. The LED module comprises a lens and an LED, wherein the lens comprises a light source arrangement place, a first light-emitting surface, a fully reflecting surface and a second light-emitting surface. The first light-emitting surface can receive more light than the second light-emitting surface, so when emitted light of the first light-emitting surface shines towards the side of the lighted surface far from the LED module and emitted light of the second light-emitting surface shines towards the other side of the lighted surface near the LED module, though the emitted light of the first light-emitting surface has more attenuation than that of the second light-emitting surface due to the fact that the emitted light of the first light-emitting surface shines towards a position far from the LED module and the emitted light of the second light-emitting surface shines towards a position near the LED module, attenuation of the emitted light of the first light-emitting surface is made up for due to the fact that the first light-emitting surface receives more light than the second light-emitting surface, and accordingly illumination at the position near the LED module and illumination at the position far from the LED module are identical. The utility model further provides the lens and the LED module using the lens.
Description
Technical field
The utility model relates to a kind of illuminator, particularly a kind of illuminator that lens, the LED module of Uniform Illumination can be provided and use this LED module.
Background branch art
In general daily life, all can see so-called lighting apparatus everywhere, for example, fluorescent lamp, street lamp, desk lamp, artistic lamp etc.In above-mentioned lighting apparatus, major part is as luminous source with osram lamp traditionally.In recent years, because science and technology is maked rapid progress, utilized so-called light emitting diode (LED) as luminous source.Very the person, except lighting apparatus, for general traffic sign, billboard, car light etc., also change into and use light emitting diode as illuminating source.As previously mentioned, use light emitting diode as luminous source, its benefit is power saving, and brightness is larger, therefore generalization gradually on using.
As shown in Figure 1, for using LED as the light channel structure schematic diagram of the illuminator of light source in a kind of prior art.This illuminator comprises that 1, one of a plane of illumination is arranged on the LED light source 2 of these plane of illumination 1 one sides.This LED light source 2 comprises an exiting surface 3, and this exiting surface 3 penetrates countless lamp wirings 4 and is radiated on plane of illumination 1.What can expect is, no matter described LED light source 2 is placed on which position of plane of illumination 1, the near-end of a part of directive plane of illumination 1 in the light 4 that exiting surface 3 penetrates, and the far-end of another part directive plane of illumination 1.Just because of above inevitable light irradiating structure, the light of directive plane of illumination 1 near-end will be less with respect to the light attenuation of directive plane of illumination 1 far-end, and no matter be the light of directive far-end or the light of directive near-end, its original intensity value equates, therefore can cause due to the far and near difference of plane of illumination 1 with respect to LED light source 2, its lightness is also different, and namely the illumination of plane of illumination 1 is different.
This inhomogeneous lighting effect is for some occasions, as show room, exhibition, again or the illumination occasion in some markets, because lighting effect is inhomogeneous, be the even article that are demonstrated of will reducing of uneven illumination to visitor or buyer's visual effect, thereby reduce displaying articles to the visual product texture of people.
The utility model content
In view of this, be necessary to provide a kind of illuminator that the uniform lens of lighting effect, LED module can be provided and use this LED module, to overcome above-mentioned deficiency.
A kind of lens, it comprises a light source placement that is used for arranging light source, first exiting surface that is oppositely arranged with described light source placement, and a fully reflecting surface that is arranged on a side between described light source placement and the first exiting surface.Described lens also comprise second exiting surface that is arranged on opposite side between described light source placement and the first exiting surface.This second exiting surface extends from light source placement one side towards the first exiting surface and arranges with the optical axis interval of lens.
A kind of LED module, it comprises lens, and a LED who uses with this lens collocation.Described lens comprise a light source placement that is used for arranging light source, first exiting surface that is oppositely arranged with described light source placement, and a fully reflecting surface that is arranged on a side between described light source placement and the first exiting surface.Described lens also comprise second exiting surface that is arranged on opposite side between described light source placement and the first exiting surface.This second exiting surface extends from light source placement one side towards the first exiting surface and arranges with the optical axis interval of lens.
A kind of illuminator, it comprises at least one LED module, and at least one plane of illumination corresponding with each LED module difference.This LED module comprises lens, and a LED who uses with this lens collocation.Described lens comprise a light source placement that is used for arranging light source, first exiting surface that is oppositely arranged with described light source placement, and a fully reflecting surface that is arranged on a side between described light source placement and the first exiting surface.Described lens also comprise second exiting surface that is arranged on opposite side between described light source placement and the first exiting surface.This second exiting surface extends from light source placement one side towards the first exiting surface and arranges with the optical axis interval of lens.
be compared with the prior art, because the first exiting surface can receive than the second more light of exiting surface, therefore, the side away from from the LED module when the emergent light directive plane of illumination of the first exiting surface, during the opposite side close to from the LED module of the emergent light directive plane of illumination of the second exiting surface, although the first exiting surface penetrate light due to directive from the LED module at a distance can than directive from the LED module more nearby the second exiting surface penetrate light larger decay arranged, but because the first exiting surface receives more light than the second exiting surface, thereby made up the ejaculation light of the first exiting surface owing to arriving the more decay that causes from the LED module at a distance, and then can make from the LED module and much the same illumination is arranged more nearby with from the LED module at a distance.
Description of drawings
Below in conjunction with accompanying drawing, embodiment of the present utility model is described, wherein:
Fig. 1 is the light channel structure schematic diagram of the illuminator of prior art.
The light channel structure schematic diagram of a kind of illuminator that Fig. 2 provides for the utility model.
Fig. 3 is the second exiting surface of the lens in the illuminator of Fig. 2 and the perspective view that the counterbore interval arranges.
Fig. 4 is the structural representation that the second exiting surface of the lens in the illuminator of Fig. 2 passes counterbore.
Fig. 5 A-Fig. 5 B is that the diverse location of the LED lens that are arranged on Fig. 3 and lens are along the structural representation of B-B line.
Fig. 6 A-Fig. 6 C is that the second exiting surface of the lens of Fig. 3 has the structural representation of different curvature with respect to the optical axis of lens.
Fig. 7 A-Fig. 7 B be respectively Fig. 5 A at the C place and Fig. 6 A at the partial enlarged drawing at D place.
The specific embodiment
Below based on accompanying drawing, specific embodiment of the utility model is further elaborated.Should be appreciated that specific embodiment described herein only as embodiment, and be not used in restriction protection domain of the present utility model.
See also Fig. 2, the structural representation of a kind of illuminator that provides for the utility model.This illuminator 100 comprises at least one LED module 10, and at least one plane of illumination 20 corresponding with each LED module 10 difference.In actual applications, described LED module 10 may comprise a plurality of, and this can determine the big or small of plane of illumination 20 or what according to.In the present embodiment, only in order to describe the utility model in detail, therefore a LED module 10 and one and corresponding plane of illumination 20 only are shown.What can expect is that this illuminator 100 also comprises other components and parts, as cabinet, for the lamp bracket that LED module 10 is set, the assemblies such as lampshade, and be used for power supply to 10 power supplies of LED module etc., because suchlike assembly is not emphasis of the present utility model, do not repeat them here.
Described LED module 10 comprises lens 11, and a LED12 who uses with these lens 11 collocation.
See also Fig. 3 and Fig. 4, described lens 11 comprise a light source placement that is used for arranging light source 111, first exiting surface 112 that is oppositely arranged with described light source placement 111, a fully reflecting surface 113 that is arranged on a side between described light source placement 111 and the first exiting surface 112, second exiting surface 114 that is arranged on opposite side between described light source placement 111 and the first exiting surface 112, and a counterbore 115 that is arranged on the first exiting surface 112 opposite sides.Be understandable that, consistent with all lens, these lens 11 also comprise an optical axis AA`.
Described light source placement 111 is used for light source is set, as LED12, or other light source, as fluorescent lamp.In the present embodiment, described light source is LED12.What can expect is, when the dimension scale of the dimension scale of other light sources such as fluorescent lamp and lens 11 and LED12 and lens 11 is suitable, can use fluorescent lamp to be used as light source, can reach the technique effect that the utility model will reach equally.In this light source placement 11, as shown in Fig. 5 A, Fig. 5 B, described LED12 can be arranged on the inside of this counterbore 115, also can be arranged on the outside of this counterbore 115, and namely the inside of counterbore 115 or outside all can be used as the placement of light source.When LED12 is arranged in counterbore 115 be, in order to make the maximized while of utilizing of lens 11, be convenient to assemble this lens 11 and LED12, the opposition side of the exiting surface of this LED12 flushes with the openend of described counterbore 115.When LED12 is arranged on the outside of counterbore 115, all can enter in lens 11 in order to make all light of LED12, preferably, the exiting surface of this LED12 flushes with the openend of described counterbore 115.In the present embodiment, the exiting surface of described LED12 flushes with the openend of described counterbore 115.
Described the first exiting surface 112 is relative with light source placement 111, is used for the light source of part from LED12 gone out from its refraction, and shines on plane of illumination 20.For the beam width (beam width) of the outgoing beam of controlling the first exiting surface 112, to form the hot spot of controlled sizes at plane of illumination 20, be provided with a plurality of interconnective hexagon microballoon face lens 116 on this first exiting surface 112.As shown in Fig. 7 A, Fig. 7 B, it is that Fig. 5 A is at the partial enlarged drawing at C place.Fig. 7 B is Fig. 6 A at the top view of the hexagon microballoon face lens 116 at D place.Fig. 7 A shows the spherical radius of each spherical lens, i.e. curvature R, and the sagitta h of this sphere arc, Fig. 7 B show each hexagonal opposite side distance L.Namely can change the beam width of each hexagon microballoon face lens 116 by changing R, h and L.For example, work as R=3.0mm, h=0.1mm, during L=1.33mm, the beam width of resulting hexagon microballoon face lens 116 will be that one 12 degree is to 17 beam widths of spending.Work as R=2.0mm, h=0.2mm, during L=1.51mm, the beam width of resulting hexagon microballoon face lens 116 will be that one 20 degree is to 24 beam widths of spending.Work as R=3.0mm, h=0.5mm, during L=3.0mm, the beam width of resulting hexagon microballoon face lens 116 will be that one 25 degree is to 30 beam widths of spending.Certainly, be understandable that, these hexagon microballoon face lens 116 also can be set on this first exiting surface 112.
The light that described fully reflecting surface 113 is used for receiving all reflects away, and it is arranged between smooth placement 111 and the first exiting surface 112, so that described lens 11 form a frustum structure.The light that reflects through this fully reflecting surface 113 all reflects away by the first exiting surface 112.
Described the second exiting surface 114 is arranged on opposite side between described light source placement 111 and the first exiting surface 112, and is connected with fully reflecting surface 113.In order to make from LED12's and the light of directive the second exiting surface 114 sides all can penetrate by this second exiting surface 114, this second exiting surface 114 need to extend towards the first exiting surface 112 from light source placement 111 1 sides.Therefore, described the second exiting surface 114 along the height of optical axis AA` should greater than or equal at least the axial length of described counterbore 115.In the present embodiment, for the convenience of making, this second exiting surface 114 extends to the first exiting surface 112.In addition, according to the needs of emergent light, this second exiting surface 114 can be the plane, can be also cambered surface.When this second exiting surface 114 is cambered surface, with respect to the optical axis AA` of lens 11, can be positive camber, also can be negative cruvature.Show respectively the pattern of these three kinds of curved surfaces as Fig. 6 A, Fig. 6 B and Fig. 6 C.In the present embodiment, described the second exiting surface 114 is one to have the cambered surface of positive camber.The cross section contour along the optical axis AA` of lens 11 of this second exiting surface 114 can be parallel with the optical axis AA` of lens 11, and the optical axis AA` of the extended line lens 11 of this outline line is intersected.In the present embodiment, this outline line is parallel with the optical axis AA` of lens 11.In addition, what can expect is that described lens 11 also can comprise a plurality of these second exiting surfaces 114, go out especially light effect to reach, as further weakening the luminous intensity that of second exiting surface 114 these sides.Simultaneously, in order to control from the amount of light of this second exiting surface 114, this second exiting surface 114 can arrange with described counterbore 115 intervals, as shown in Figure 3, also can directly pass this counterbore 115.As shown in Figure 4, pass the structural representation of described counterbore 115 for described the second exiting surface 114.
See also Fig. 5, the axial centre of described counterbore 115 is passed the optical axis AA` of described lens 11.Reflect and penetrate through counterbore 115 position that arrives lens 11 according to incident light counterbore 115 is divided into one towards the first side wall 1151 of fully reflecting surface 113, second sidewall 1152 towards the second exiting surface 114, and a top 1153 that is connected with this first, second sidewall 1151,1152.The light directive fully reflecting surface 113 that described the first side wall 1151 receives, and reflect and directive the first exiting surface 112 through this fully reflecting surface 113.Light directive the first exiting surface 112 that described top 1153 receives, light directive the second exiting surface 114 that described the second sidewall 1152 receives also penetrates through the second exiting surface 114 refractions.
Described LED (Light Emitting Diode) the 12nd, a kind of can be the solid-state semiconductor devices of visible light with electric energy conversion, it can directly be converted into luminous energy to electricity.The center of this LED12 is arranged on the optical axis AA` of lens 11.
Described plane of illumination 20 is the position of described LED module 10 irradiations, and it can be the plane, also can be curved surface.In the present embodiment, only in order to illustrate the utility model, this plane of illumination 20 is the plane.This plane of illumination 20 can be the article such as picture that will illuminate in the museum, can be also at the supermarket in the product of peddling in refrigerator-freezer.As shown in Figure 2, when described LED module 10 is installed, can make the light that the second exiting surface 114 of lens 11 penetrates should directive plane of illumination 20 side nearer with respect to LED module 10, and the light that the first exiting surface 112 of lens penetrates should directive plane of illumination 20 side far away with respect to LED module 10.
When work, light directive the second exiting surface 114 that the second sidewall 1152 of counterbore 115 receives and through the side close to from LED module 10 of the second exiting surface 114 refraction directive plane of illuminations 20, and the light that the top 1153 of counterbore 115 receives, and fully reflecting surface 113 receive from the light of the first side wall 1151 all with directive the first exiting surface 112, and through the opposite side away from from LED module 10 of the first exiting surface 112 refraction directive plane of illuminations 20.Therefore, compared with prior art, although the first exiting surface 112 penetrates light because directive can have larger decay from the ejaculation light of LED module 10 the second exiting surface 114 more nearby than directive at a distance from LED module 10, but because the first exiting surface 112 to the second exiting surfaces 114 receive more light, thereby the ejaculation light that has made up the first exiting surface 112 is owing to arriving the more decay that causes from LED module 10 at a distance, and then can make from LED module 10 and much the same illumination is arranged more nearby with from LED module 10 at a distance.
The above is only preferred embodiment of the present utility model; not in order to limit the utility model; all interior any modifications of doing in spirit of the present utility model and principle, be equal to and replace and improvement etc., all should be included in protection domain of the present utility model in.
Claims (14)
1. lens, it comprises a light source placement that is used for arranging light source, first exiting surface that is oppositely arranged with described light source placement, and fully reflecting surface that is arranged on a side between described light source placement and the first exiting surface, it is characterized in that: described lens also comprise second exiting surface that is arranged on opposite side between described light source placement and the first exiting surface, and this second exiting surface extends towards the first exiting surface from light source placement one side.
2. lens as claimed in claim 1, it is characterized in that: described the second exiting surface is the plane.
3. lens as claimed in claim 1, it is characterized in that: described the second exiting surface is cambered surface.
4. lens as claimed in claim 1 is characterized in that: the cross section contour along the optical axis of lens of described the second exiting surface is parallel with the optical axis of lens.
5. lens as claimed in claim 1 is characterized in that: described the second exiting surface along the extended line of the cross section contour of the optical axis of lens and the optical axis intersection of lens.
6. lens as claimed in claim 1, it is characterized in that: this second exiting surface is connected with fully reflecting surface.
7. lens as claimed in claim 1, it is characterized in that: also be provided with a plurality of interconnective hexagon microballoon face lens on described the first exiting surface, curvature, sagitta and the opposite side distance of these hexagon microballoon face lens is from arranging according to predetermined light beam width.
8. lens as claimed in claim 1, it is characterized in that: described lens also comprise a counterbore, and the longitudinal center line of this counterbore passes the optical axis of described lens, and described the second exiting surface arranges by this counterbore or with this counterbore interval.
9. LED module, it comprises lens, with a LED who uses with this lens collocation, described lens comprise a light source placement that is used for arranging light source, first exiting surface that is oppositely arranged with described light source placement, and fully reflecting surface that is arranged on a side between described light source placement and the first exiting surface, it is characterized in that: described lens also comprise second exiting surface that is arranged on opposite side between described light source placement and the first exiting surface, and this second exiting surface extends towards the first exiting surface from light source placement one side.
10. LED module as claimed in claim 9, it is characterized in that: described lens also comprise a counterbore, and the longitudinal center line of this counterbore passes the optical axis of described lens, and LED is housed in this counterbore simultaneously, and the center of this LED is arranged on this optical axis.
11. LED module as claimed in claim 9, it is characterized in that: described lens also comprise a counterbore, the longitudinal center line of this counterbore passes the optical axis of described lens, and the exiting surface of described LED flushes with the openend of this counterbore, and the center of this LED is arranged on this optical axis.
12. as claim 10 or the described LED module of 11 any one, it is characterized in that: described counterbore comprises one towards the first side wall of fully reflecting surface, second sidewall towards the second exiting surface, and top that is connected with this sidewall, the light directive fully reflecting surface that described the first side wall receives, and reflect and directive the first exiting surface through this fully reflecting surface, light directive the first exiting surface that described top receives, light directive the second exiting surface that described the second sidewall receives also penetrates through the second exiting surface refraction.
13. illuminator, it comprises at least one LED module, and at least one plane of illumination corresponding with corresponding LED module, this LED module comprises lens, with a LED who uses with this lens collocation, described lens comprise a light source placement that is used for arranging light source, first exiting surface that is oppositely arranged with described light source placement, and fully reflecting surface that is arranged on a side between described light source placement and the first exiting surface, it is characterized in that: described lens also comprise second exiting surface that is arranged on opposite side between described light source placement and the first exiting surface, this second exiting surface extends towards the first exiting surface from light source placement one side.
14. illuminator as claimed in claim 13 is characterized in that: the light directive plane of illumination side far away with respect to the LED module that described the first exiting surface penetrates, the light directive plane of illumination side nearer with respect to the LED module that described the second exiting surface penetrates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220517563 CN202927737U (en) | 2012-09-13 | 2012-09-13 | Lens, light-emitting diode (LED) module and lighting system using LED module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220517563 CN202927737U (en) | 2012-09-13 | 2012-09-13 | Lens, light-emitting diode (LED) module and lighting system using LED module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202927737U true CN202927737U (en) | 2013-05-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220517563 Expired - Fee Related CN202927737U (en) | 2012-09-13 | 2012-09-13 | Lens, light-emitting diode (LED) module and lighting system using LED module |
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|---|---|
| CN (1) | CN202927737U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103672729A (en) * | 2012-09-13 | 2014-03-26 | 林万炯 | Lens, LED module and lighting system using LED module |
| CN104613415A (en) * | 2013-11-05 | 2015-05-13 | 林万炯 | Lens, LED module and illuminating system with LED module |
-
2012
- 2012-09-13 CN CN 201220517563 patent/CN202927737U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103672729A (en) * | 2012-09-13 | 2014-03-26 | 林万炯 | Lens, LED module and lighting system using LED module |
| CN104613415A (en) * | 2013-11-05 | 2015-05-13 | 林万炯 | Lens, LED module and illuminating system with LED module |
| CN104613415B (en) * | 2013-11-05 | 2018-05-04 | 林万炯 | Lens, LED module and the lighting system using the LED module |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: NINGBO HI. TECH. PARK SELF ELECTRONICS CO., LTD. Free format text: FORMER OWNER: LIN WANJIONG Effective date: 20140424 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20140424 Address after: The national high tech Zone Juxian 315103 Ningbo Road, Zhejiang province No. 1345 Patentee after: SELF ELECTRONICS CO.,LTD. Address before: The national high tech Zone Juxian 315103 Ningbo Road, Zhejiang province No. 1345 Ningbo Purcell Electronics Ltd. Patentee before: Lin Wanjiong |
|
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: The national high tech Zone Juxian 315103 Ningbo Road, Zhejiang province No. 1345 Patentee after: SELF ELECTRONICS CO., LTD. Address before: The national high tech Zone Juxian 315103 Ningbo Road, Zhejiang province No. 1345 Patentee before: SELF ELECTRONICS CO.,LTD. |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130508 Termination date: 20170913 |
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| CF01 | Termination of patent right due to non-payment of annual fee |