CN103375767B - The lens of tool gear remaining light structure and module thereof - Google Patents
The lens of tool gear remaining light structure and module thereof Download PDFInfo
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- CN103375767B CN103375767B CN201210123338.7A CN201210123338A CN103375767B CN 103375767 B CN103375767 B CN 103375767B CN 201210123338 A CN201210123338 A CN 201210123338A CN 103375767 B CN103375767 B CN 103375767B
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- remaining light
- incidence surface
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- gear remaining
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Abstract
The present invention discloses lens and the module thereof of a kind of tool gear remaining light structure, wherein the lens of this tool gear remaining light structure are in cup-shaped structure wide at the top and narrow at the bottom and its top is provided with an exiting surface, be arranged with one first incidence surface and one second incidence surface in addition in bottom and form an accommodation space and an incidence hole, this accommodation space is in order to an accommodating light emitting source, this first incidence surface is convexly equipped with a gear remaining light structure again, in order to hinder the remaining light of but this light emitting source.Wherein the distance of this first incidence surface and this incidence hole is S, and the distance of this gear remaining light structure bottom and this incidence hole is L, and this gear remaining light structure meets 0 < L < (3/8) * S relative to the distance of this incidence hole, and the relational expression of S >=0.8*D.This gear remaining light structure can stop this luminescence come from this second incidence surface place reflection institute cause after optical phenomenon.
Description
Technical field:
The present invention is relevant to the technical field of optical lens, particularly about a kind of lens and module thereof of tool gear remaining light structure, in order to make the light of a light emitting source injection after the lens of this tool gear remaining light structure, is effectively hindered the generation of but remaining light phenomenon.
Background technology:
For adjustment utilizes light emitting diode (LightEmittingDiode in each field, LED) be the radiation response of light emitting source, general industry utilizes an optical lens to cover above this light emitting diode, and then make the light of this light emitting diode injection after this optical lens, produce all kinds of applicability preferably light shape layout.Such as, with regard to lighting field, can improve for the illumination of LED lamp, all characteristic such as light or illumination zone.Please continue to consult Fig. 1 ~ 3, it is respectively remaining light optical track schematic diagram after optical lens of the structural profile schematic diagram of known LED light lens, LED source and irradiation level figure.As shown in the figure, this optical lens 1 is by optical elements that transparent material was made into integration such as silica gel, acryl, Merlon or glass, and it is overall in cup type structure wide at the top and narrow at the bottom, this optical lens 1 one end has an exiting surface 10, and the other end is then arranged with one first incidence surface 11 and one second incidence surface 12.Wherein this first incidence surface 11 periphery connects one of this second incidence surface 12 lateral margin and forms an accommodation space, another lateral margin of this second incidence surface 12 is then around formation one incidence hole 13, and this accommodation space is provided with an accommodating light emitting diode (not shown) to make this first incidence surface 11 correspondence be placed in above this light emitting diode and this second incidence surface 12 is surrounded on this light emitting diode periphery.But after known optical lens 1 is incorporated into this light emitting diode, its irradiation light shape cannot be avoided the generation of remaining light phenomenon and be an impediment to follow-up utilization.So-called remaining light phenomenon pointer is to distribution of light phenomenon existing beyond a target illumination region.And cause the reason of this remaining light phenomenon to be that few part light of this light emitting diode exposes to this second incidence surface 12 and after producing first reflection, second time reflection is produced again, the periphery halation distribution scenario finally beyond this exiting surface 10 injection formation as shown in Figure 3 central irradiated region in this optical lens 1 medial surface.Therefore, the problem being produced as the improvement of the present inventor's wish of but remaining light phenomenon how is effectively hindered.
Summary of the invention:
Because the disappearance of known technology, the object of the present invention is to provide a kind of lens and the module thereof that prevent the tool gear remaining light structure of remaining light phenomenon, makes a LED source can obtain a better smooth shape effect whereby after the present invention and is provided with that each fields such as follow-up illumination are to be suitable for.
According to aforementioned object, the present invention proposes the lens of a kind of tool gear remaining light structure, for cup-shaped structure wide at the top and narrow at the bottom, and its top is provided with an exiting surface, bottom is arranged with one first incidence surface and one second incidence surface, this the first incidence surface lateral margin is connected with one of this second incidence surface lateral margin and arranges and form an accommodation space and in order to an accommodating light emitting source, another lateral margin of this second incidence surface is then around formation one incidence hole again, this incidence hole width is D, it is characterized in that: this first incidence surface place of the lens of this tool gear remaining light structure is convexly equipped with a gear remaining light structure, be provided with stopping and launched and the remaining light reflected through this second incidence surface by this light emitting source, wherein the distance of this first incidence surface and this incidence hole is S, and the distance of this gear remaining light structure bottom and this incidence hole is L, and this gear remaining light structure meets 0<L< (3/8) * S relative to the distance of this incidence hole, and the relational expression of S≤0.8*D.
Wherein, this gear remaining light structure can be collected towards the extension of this incidence hole direction by this first incidence surface and form inverted cone-shaped structure.And be that the surface of this gear remaining light structure is to be arranged to convex arc shaped, concave arc shape or plane for the light source kind of difference, light type demand or gear remaining light effect.Further, for strengthening the generation stopping remaining light phenomenon, the surface of this gear remaining light structure can be set to cloudy surface.
On the other hand, this exiting surface also can be arranged with one and steal material hole and to should the first incidence surface size arrange, in order to improve comparatively strong, that all light effect the is poor disappearance of light emitting source middle section luminous intensity.Whereby, thoroughly can hinder the generation of but remaining light phenomenon, and also effectively can promote the effect of its equal light for target illumination region, significantly promote the applicability in other fields such as follow-up illumination.
In addition, for reaching above-mentioned object, the present invention also separately proposes the lens module of a kind of tool gear remaining light structure.The lens module of this tool gear remaining light structure is cup-shaped structure wide at the top and narrow at the bottom, and its top is provided with an exiting surface, bottom is arranged with one first incidence surface and one second incidence surface, this the first incidence surface lateral margin is connected with one of this second incidence surface lateral margin and arranges and form an accommodation space, and this accommodation space system is provided with a light emitting source, another lateral margin of this second incidence surface is then around formation one incidence hole again, it is characterized in that: this first incidence surface place of the lens module of this tool gear remaining light structure is convexly equipped with a gear remaining light structure, be provided with stopping and launched and the remaining light reflected through this second incidence surface by this light emitting source, wherein this gear remaining light structure bottom and this light emitting source distance be L ", and the light launched of this light emitting source institute reflexes to this tool through this second incidence surface and keeps off a central shaft of the lens module of remaining light structure and form a foveal reflex point, this foveal reflex point and this light emitting source are apart from being P, and this gear remaining light structure bottom and this light emitting source distance meet L " relational expression of≤P.
The lens module of this tool gear remaining light structure is for the relative position after the assembling of this light emitting source, and the physical dimension of concrete this gear remaining light structure of adjustment, the light shape that the lens module making this tool keep off remaining light structure is launched, is thoroughly hindered the generation of but remaining light phenomenon.
Accompanying drawing illustrates:
Fig. 1 is the structural profile schematic diagram of known LED light lens.
Fig. 2 is the remaining light optical track schematic diagram of known luminescence diode light-source after optical lens.
Fig. 3 is the irradiation level figure of known luminescence diode light-source after optical lens.
Fig. 4 is the lens preferred embodiment structural profile schematic diagram of tool of the present invention gear remaining light structure.
Fig. 5 is the preferred embodiment remaining light optical track schematic diagram after a light emitting diode is incorporated into the present invention.
Fig. 6 is the preferred embodiment irradiation level figure after a light emitting diode is incorporated into the present invention.
Fig. 7 is the preferred embodiment distribution curve flux figure after a light emitting diode is incorporated into the present invention.
Fig. 8 is another preferred embodiment remaining light optical track schematic diagram after a light emitting diode is incorporated into the present invention.
Fig. 9 is another preferred embodiment irradiation level figure after a light emitting diode is incorporated into the present invention.Figure 10 is another preferred embodiment distribution curve flux figure after a light emitting diode is incorporated into the present invention.
Figure 11 is the another preferred embodiment structural representation of lens of tool of the present invention gear remaining light structure.
Figure 12 is the lens module preferred embodiment structural profile schematic diagram of tool of the present invention gear remaining light structure.
Detailed description of the invention:
Below in conjunction with specific embodiments and the drawings, the present invention is further described.
Refer to Fig. 4 ~ 7, it is respectively the lens preferred embodiment structural profile schematic diagram of tool of the present invention gear remaining light structure, a light emitting diode is incorporated into preferred embodiment remaining light optical track schematic diagram, irradiation level figure and distribution curve flux figure after the present invention.As shown in the figure, the lens 2 of this tool gear remaining light structure can be made into integration by transparent materials such as silica gel, acryl, Merlon or glass, and the lens 2 of this tool gear remaining light structure are provided with being combined with a light emitting source (not shown), after the present invention, form preferably light shape distribution in order to guide the light launched by this light emitting source, that is effectively hindered the generation of but remaining light phenomenon.The lens 2 of this tool gear remaining light structure are cup-shaped structure wide at the top and narrow at the bottom, its top is provided with an exiting surface 20, bottom is arranged with one first incidence surface 21 and one second incidence surface 22, this the first incidence surface 21 lateral margin is connected with one of this second incidence surface 22 lateral margin and arranges and form an accommodation space and in order to this light emitting source accommodating, another lateral margin of this second incidence surface 22 is then around formation one incidence hole 23 again, the width of this incidence hole 23 is D, it is characterized in that: this first incidence surface 21 place of the lens 2 of this tool gear remaining light structure is convexly equipped with a gear remaining light structure 24, be provided with stopping to be launched by this light emitting source and through this second incidence surface 22 the remaining light that reflects.And in order to effectively can stop remaining light and take into account the equal light effect of its irradiation, this gear remaining light structure 24 can be set to be extended towards this incidence hole 23 direction by this first incidence surface 21 collect and form inverted cone-shaped structure.Be such as this light emitting source for light emitting diode, characteristic stronger for general light emitting diode central authorities emitting area luminous intensity can be dispersed adjustment by this gear remaining light structure 24 setting in inverted cone-shaped structure.Thus, the light shape that the light source that light emitting diode is launched is formed after the present invention effectively can hinder the generation of but remaining light phenomenon, also obtains for the equal Light distribation of light shape simultaneously and significantly improves.Again, so-called remaining light phenomenon be because of this light emitting source small part light through this second incidence surface 22 reflection after caused by.Therefore in order to really reach the effect stopping remaining light, the size setting of this gear remaining light structure 24 has certain condition relation relative to the lens 2 of this tool of the present invention gear remaining light structure and begins to obtain its effect.Therefore, suppose that this first incidence surface 21 is S with the distance of this incidence hole 23, and the distance of this gear remaining light structure 24 bottom and this incidence hole 23 is L, then this gear remaining light structure 24 meets 0<L< (3/8) * S relative to the distance of this incidence hole 23, and the relational expression of S≤0.8*D.In addition, for the light source kind of difference, light type demand or gear remaining light effect, the surface of this gear remaining light structure 24 is to be arranged to convex arc shaped, concave arc shape, plane or one of them person of meander-like.Reason is when small part light reflexes to this gear remaining light structure 24 through this second incidence surface 22, the follow-up refraction effect that convex arc shaped is arranged on its surface, concave arc shape, plane or meander-like all can cause difference, and then affects the performance of the light shape after bright dipping.Whereby, the surface that namely can pass through this gear remaining light structure 24 arranges the adjustment of light shape and the change in the portion that runs business into particular one.Further, for strengthening the generation stopping remaining light phenomenon, the surface system of this gear remaining light structure can be arranged to cloudy surface simultaneously, and this object is roughly the same with reason and above-mentioned explanation, therefore no longer repeats in this.
Please again consult known Fig. 2,3 and Fig. 5 ~ 7 of the present invention.As shown in the figure, meeting 0<L< (3/8) * S, and under the relational expression of S≤0.8*D, known through experimental result, work as S=13.00mm, D=15.00mm and L=4.80mm time, few part in this second incidence surface 22 reflect rear light stop by this gear remaining light structure 24, that is in comparison chart 2 and Fig. 5 after the reflection of this second incidence surface 22 in the amount of light of this exiting surface 20 injection, Fig. 5 reduces many relative to Fig. 2.Halation beyond comparison diagram 6 and its target illumination region of Fig. 3, its Fig. 6 also obviously significantly reduces relative to Fig. 3, and the distribution curve flux figure of this trend corresponding to Fig. 5 also its effect as seen.Therefore meeting this gear remaining light structure 24 set under above-mentioned relation formula, the generation hindering but remaining light phenomenon can really be reached compared to known technology.Special instruction person, remaining light optical track figure for known technology Fig. 2 or Fig. 5 of the present invention is only simple for causing the light of remaining light phenomenon to be drawn, and correspond to the irradiance figure of Fig. 3 or Fig. 6, wherein Fig. 2 or Fig. 5 cause after optical phenomenon refer to peripheral halation distribution beyond Fig. 3 or Fig. 6 central target irradiation area, and this explanation.
Please renew to consult Fig. 8 ~ 10, be respectively a light emitting diode be incorporated into the present invention after another preferred embodiment remaining light optical track schematic diagram, irradiation level figure and distribution curve flux figure.As shown in the figure, meeting 0<L< (3/8) * S, and under the relational expression of S≤0.8*D, known through experimental result, work as S=13.00mm, D=15.00mm and L=3.25mm time, few part in this second incidence surface 22 reflect rear light almost completely stop by this gear remaining light structure 24.Therefore at irradiance figure (shown in Fig. 9) and distribution curve flux figure (shown in Figure 10) of correspondence, the halation beyond its target illumination region almost disappears completely.Therefore meeting under above-mentioned relation formula this set gear remaining light structure 24, really can reach the generation hindering but remaining light phenomenon compared to known technology, and the less remaining light of L to hinder but effect better.
Referring again to Figure 11, it is the another preferred embodiment structural representation of lens of tool gear remaining light structure of the present invention.With regard to the present embodiment, structure is identical with aforementioned explanation haply, therefore is only described for difference place in this, and other then no longer repeats.And the present embodiment is arranged with one to steal material hole 200 and to should the position of the first incidence surface 21 and size and arrange, whereby in order to improve comparatively strong, that all light effect the is poor disappearance of this light emitting source middle section luminous intensity in this exiting surface 20 place.Therefore, the setting of comprehensive said structure, the present invention thoroughly can hinder the generation of but remaining light phenomenon, and also effectively can promote the effect of its equal light for target illumination region, significantly promotes the applicability in other each fields such as follow-up illumination.
Referring to Figure 12, is the lens module preferred embodiment structural profile schematic diagram of tool gear remaining light structure of the present invention.As shown in the figure, the present embodiment is the lens module 3 proposing a kind of tool gear remaining light structure.The lens module 3 of this tool gear remaining light structure is cup-shaped structure wide at the top and narrow at the bottom, and its top is provided with an exiting surface 20, bottom is arranged with one first incidence surface 21 and one second incidence surface 22, this the first incidence surface 21 lateral margin is connected with one of this second incidence surface 22 lateral margin arrange and form an accommodation space, and this accommodation space is provided with a light emitting source 4, another lateral margin of this second incidence surface 22 is then around formation one incidence hole 23 again, it is characterized in that: this first incidence surface 21 place of the lens module 3 of this tool gear remaining light structure is convexly equipped with a gear remaining light structure 24, be provided with stopping to be launched by this light emitting source 4 and through this second incidence surface 22 the remaining light that reflects, wherein this gear remaining light structure 24 bottom and this light emitting source 4 are apart from being L ", and this light emitting source 4 the light launched reflex to a central shaft I of the lens module 3 of this tool gear remaining light structure through this second incidence surface 22 and form a foveal reflex point 5, this foveal reflex point 5 and this light emitting source distance are P, and this gear remaining light structure bottom and this light emitting source distance meet L " relational expression of≤P.Therefore, the lens module 3 of this tool gear remaining light structure of the present embodiment is the relative position after assembling for this light emitting source 4, the physical dimension of this gear remaining light structure 24 of concrete adjustment, make this tool keep off the lens module 3 of remaining light structure the light shape of launching obtain the generation effectively hindering but remaining light phenomenon.First, the lens module 3 of this tool gear remaining light structure changes this light emitting source 4 sidelight optical path with this gear remaining light structure 24 and consumes remaining light energy and significantly eliminate unnecessary remaining light.Therefore, when the small part light of this light emitting source 4 is with angle θ
1, such as, be greater than 0 and be less than or equal to after 60 degree of angles are emitted to this second incidence surface 22, sentencing angle θ in this second incidence surface 22
2reflex to this central shaft I and form a foveal reflex point 5, therefore this foveal reflex point 5 is positioned on this central shaft I, and this foveal reflex point 5 to the distance of this light emitting source 4 is P, and P=P
1+ P
2, P again
2=(D/2) * tan θ
1, P
1=(D/2) * tan (2 θ
2-θ
1), D is the width of this incidence hole 23.Therefore P=(D/2) * (tan (2 θ
2-θ
1)+tan θ
1)).That is, make this gear remaining light structure 24 bottom to the distance L of this light emitting source 4 " be less than distance P, the effect preventing remaining light from disturbing optical path distribution can be reached, even if reduce L further " also do not affect remaining light resistance effect but.Therefore, the lens module 3 of this tool gear remaining light structure of the present embodiment is specifically implement for it with this concept, and because distance P is with the width D of this incidence hole 23 and in the reflection angle θ at this second incidence surface 22 place
2determine it.Therefore, the present embodiment can utilize this P=(D/2) * (tan (2 θ
2-θ
1)+tan θ
1)) relational expression, effectively the relative size of this gear remaining light structure 24 of adjustment, thoroughly hinders the generation of but remaining light phenomenon.
As described above, be only the preferred embodiment of the present invention, and be not used to the scope limiting the invention process, so etc. haveing the knack of done by this technology equivalence or change person easily, the equalization done under the spirit not departing from the present invention and scope changes and modifies, and all should be covered by the scope of the claims of the present invention.
Claims (5)
1. the lens of a tool gear remaining light structure, for cup-shaped structure wide at the top and narrow at the bottom, and its top is provided with an exiting surface, bottom is arranged with one first incidence surface and one second incidence surface, this the first incidence surface lateral margin is connected with one of this second incidence surface lateral margin and arranges and form an accommodation space and in order to an accommodating light emitting source, this light emitting source is light emitting diode, and another lateral margin of this second incidence surface is then around formation one incidence hole again, this incidence hole width is D, it is characterized in that:
This first incidence surface place of the lens of this tool gear remaining light structure is convexly equipped with a gear remaining light structure, is provided with stopping and is launched and the remaining light reflected through this second incidence surface by this light emitting source; Wherein this gear remaining light structure is collected towards the extension of this incidence hole direction by this first incidence surface and forms inverted cone-shaped structure, the distance of this first incidence surface and this incidence hole is S, and the distance of this gear remaining light structure bottom and this incidence hole is L, and this gear remaining light structure meets 0<L< (3/8) * S relative to the distance of this incidence hole, and the relational expression of S≤0.8*D.
2. the lens of tool gear remaining light structure according to claim 1, is characterized in that the surface of this gear remaining light structure is convex arc shaped, concave arc shape or plane.
3. the lens of tool gear remaining light structure according to claim 2, is characterized in that the surface of this gear remaining light structure is for cloudy surface setting.
4., according to the lens of the tool gear remaining light structure of claim the 1 to 3 according to any one of it, it is characterized in that this exiting surface is arranged with one and expects hole steathily.
5. the lens module of a tool gear remaining light structure, for cup-shaped structure wide at the top and narrow at the bottom, and its top is provided with an exiting surface, bottom is arranged with one first incidence surface and one second incidence surface, this the first incidence surface lateral margin is connected with one of this second incidence surface lateral margin arrange and form an accommodation space, and this accommodation space is provided with a light emitting source, another lateral margin of this second incidence surface is then around formation one incidence hole again, it is characterized in that:
This first incidence surface place of the lens module of this tool gear remaining light structure is convexly equipped with a gear remaining light structure, is provided with stopping and is launched and the remaining light reflected through this second incidence surface by this light emitting source; Wherein this gear remaining light structure is collected towards the extension of this incidence hole direction by this first incidence surface and forms inverted cone-shaped structure, this gear remaining light structure bottom and this light emitting source distance be L "; and the light launched of this light emitting source institute reflexes to this tool through this second incidence surface and keeps off a central shaft of the lens module of remaining light structure and form a foveal reflex point; this foveal reflex point and this light emitting source are apart from being P, and this gear remaining light structure bottom and this light emitting source distance meet L " relational expression of≤P.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210123338.7A CN103375767B (en) | 2012-04-25 | 2012-04-25 | The lens of tool gear remaining light structure and module thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210123338.7A CN103375767B (en) | 2012-04-25 | 2012-04-25 | The lens of tool gear remaining light structure and module thereof |
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| Publication Number | Publication Date |
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| CN103375767A CN103375767A (en) | 2013-10-30 |
| CN103375767B true CN103375767B (en) | 2015-12-16 |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104132305B (en) * | 2014-07-04 | 2017-01-25 | 佛山市中山大学研究院 | Condensing lens |
| CN106051622A (en) * | 2016-04-25 | 2016-10-26 | 惠州市西顿工业发展有限公司 | Small-angle lens and lamp |
| CN108224110A (en) * | 2017-01-25 | 2018-06-29 | 佛山市中山大学研究院 | A kind of method for eliminating lens veiling glare |
| CN110566828A (en) * | 2019-10-11 | 2019-12-13 | 欧普照明股份有限公司 | Light distribution system, light source module comprising same and lamp |
| CN110886986B (en) * | 2019-12-05 | 2021-08-06 | 延锋伟世通电子科技（上海）有限公司 | Double-light-source backlight illumination system |
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| CN102062350A (en) * | 2010-11-18 | 2011-05-18 | 鸿富锦精密工业（深圳）有限公司 | Light distribution device of LED (light-emitting diode) light source |
| CN102401319A (en) * | 2011-11-25 | 2012-04-04 | 东莞市永兴电子科技有限公司 | Light emitting diode (LED) secondary optical lens |
| CN202955624U (en) * | 2012-04-25 | 2013-05-29 | 扬州雷笛克光学公司 | Lens with residual light resistant structure and module thereof |
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2012
- 2012-04-25 CN CN201210123338.7A patent/CN103375767B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102062350A (en) * | 2010-11-18 | 2011-05-18 | 鸿富锦精密工业（深圳）有限公司 | Light distribution device of LED (light-emitting diode) light source |
| CN102401319A (en) * | 2011-11-25 | 2012-04-04 | 东莞市永兴电子科技有限公司 | Light emitting diode (LED) secondary optical lens |
| CN202955624U (en) * | 2012-04-25 | 2013-05-29 | 扬州雷笛克光学公司 | Lens with residual light resistant structure and module thereof |
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