CN101846286A - Lens for LED illumination - Google Patents
Lens for LED illumination Download PDFInfo
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- CN101846286A CN101846286A CN200910128486.6A CN200910128486A CN101846286A CN 101846286 A CN101846286 A CN 101846286A CN 200910128486 A CN200910128486 A CN 200910128486A CN 101846286 A CN101846286 A CN 101846286A
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- optical surface
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- light emitting
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- bright dipping
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Abstract
The invention relates to a lens for LED illumination, which has a function of guiding the light of a light emitting diode to be in a long and narrow light emitting state. The lens for LED illumination is characterized in that a relative position of a lens platform is provided with a light inlet optical surface and a light emitting optical surface, wherein the light inlet optical surface is a concave surface which consists of part of area of an oval-shaped surface, the light emitting optical surface is in a convex curved surface which consists of part of area of an oval-shaped surface, and the curve surface outline of the light emitting optical surface can be designed to any one of ellipse, square, rectangle, roundness, square unfilled corner, any polygon or any geometrical shape. Therefore, when passing through the light inlet optical surface, the light of the light emitting diode is reflected and dispersed by the curve surface, and long and narrow light emitting state is obtained by matching with the light emitting state of the convex curved face of the light emitting optical surface.
Description
Technical field
The invention relates to a kind of LED lighting lens, especially refer to a kind of light that is sent in order to guiding light emitting diode (LED), by the going into of this lens, the bright dipping optical surface is the curved design of an oval ball surface area part, aforementioned light its effective rising angle scope after birefringence presents a kind of oval-shaped beam of thin-and-long.
Background technology
In recent years for have power saving, environmental protection, the demand of volume is little, excitation is high, firm and life-span is long light emitting diode increases fast, the research and development product that impels this area to drop into the High Power LED module is also come out of the stove one after another; Yet, the data that can inquire about acquisition with patent gazette as can be known, the structural design of the lens body in the overwhelming majority light-emitting diode (LED) module, still only rest on the light that how to guide light emitting diode and effectively go out optical range do refraction diffusion to it uniformly, its final resulting angular distribution, look it with the optical axis light direction, still based on rounded form; As TaiWan, China letters patent number: I261654 " mirror body and use the light-emittingdiode of the uniformly light-emitting of mirror body " and M345352 cases such as " lens arrangement of the lifting luminous uniformity of LED and angle " all be.
Yet, the lens of above-mentioned form, it can't be in response to light-emitting diode (LED) module after carrying out array combination, establish the difference of position according to its group, carrying out the concentrated or reinforcement of the bright dipping form of different angles or different directions sets, cause have marginal ray after the integral array combination a little less than, and the zone line light strong phenomenon that overlapped.
Therefore, the many moneys of the previous research and development of applicant can be concentrated the light of light emitting diode the optical lens toward the specific direction bright dipping, and to TaiWan, China patent administrative department patent application is proposed, as application case number: 097217024 " the optical lens body of bilateral illumination ", application case number: 097217021 cases such as " the optical lens bodies of the asymmetric polarizing illumination of bilateral ".
But, the applicant is not with this complacency, be to adhere to innovative design spirit, work out aforementioned each the application case technology that is different from once more, can provide to make light emitting diode after LED lighting lens of the present invention carries out birefringence, can produce the structure that light effect of elongated clavate, and propose present patent application once more.
Summary of the invention
Main purpose of the present invention provides a kind of LED lighting lens, and this optical lens can supply light emitting diode (LED) via after the birefringence, and good long and narrow ellipse goes out light effect to produce optical uniformity.
For achieving the above object, the invention provides a kind of LED lighting lens, it comprises: a light inlet optical surface and a bright dipping optical surface, aforementioned two optical surfaces are provided in a side of the relative outer face of a lens platform, this light inlet optical surface is a concave curved surface, this concave curved surface is that the part area by oval surface is constituted, this bright dipping optical surface is a convex surface, this convex surface is that the part area by oval surface is constituted, and the curved surface profile of this bright dipping optical surface can be: oval, square, rectangle, circle, square unfilled corner, arbitrary polygon etc. wherein any; In view of the above, when the light of light emitting diode after the refractive power of this light inlet optical surface and bright dipping optical surface, thereby can obtain a kind of luminous visual angle of elongated clavate.
Description of drawings
Fig. 1: the stereogram of structure preferred embodiment one of the present invention.
Fig. 2: the face upwarding stereogram of structure preferred embodiment one of the present invention.
Fig. 3: the front view of structure preferred embodiment one of the present invention.
Fig. 4: the A-A cutaway view of Fig. 3 of structure preferred embodiment one of the present invention.
Fig. 5: the side view of structure preferred embodiment one of the present invention.
Fig. 6: the vertical view of structure preferred embodiment one of the present invention.
Fig. 7: the B-B cutaway view of Fig. 6 of structure preferred embodiment one of the present invention.
Fig. 8: the upward view of structure preferred embodiment one of the present invention.
Fig. 9: be about 40 ° of-80 ° of luminous intensity angular distribution schematic diagrames of the full width half-angle of Fig. 4 relative position light emitting diode.
Figure 10: be about 10 ° of-35 ° of luminous intensity angular distribution schematic diagrames of the full width half-angle of Fig. 7 relative position light emitting diode.
Figure 11: the stereogram of structure preferred embodiment two of the present invention.
Figure 12: the vertical view of structure preferred embodiment two of the present invention.
Figure 13: the stereogram of structure preferred embodiment three of the present invention.
Figure 14: the vertical view of structure preferred embodiment three of the present invention.
Figure 15: the stereogram of structure preferred embodiment four of the present invention.
Figure 16: the vertical view of structure preferred embodiment four of the present invention.
Figure 17: the stereogram of structure preferred embodiment five of the present invention.
Figure 18: the vertical view of structure preferred embodiment five of the present invention.
The main element symbol description:
The specific embodiment
Below, cooperate again the accompanying drawing of each preferred embodiment of the present invention further specify as after, in the hope of making the personage who is familiar with correlation technique of the present invention, the statement of De Yiben specification is implemented according to this:
At first, please cooperate and consult Fig. 1 to shown in Figure 8, according to LED lighting lens 100 preferred embodiments one of the present invention, it comprises:
One lens platform 10, these lens platform 10 book offices are provided with a light inlet optical surface 11, and the position is provided with a bright dipping optical surface 12 in the outside relatively at light inlet optical surface 11, and aforementioned light inlet optical surface 11 can be for the light beam of refraction from light emitting diode 20;
This light inlet optical surface 11 and bright dipping optical surface 12 need satisfy following condition:
This light inlet optical surface 11 is a concave curved surface, and this concave curve surface shape is formed by the part of ellipticity tables area, and the x axle of the ellipse of its concave curved surface, y axle, z shaft diameter are respectively: x1, y1, z1 (x1 71 marks, y1 81 marks, z1 91 marks) in the accompanying drawings;
This bright dipping optical surface 12 is a convex surface, and this convex surface is made up of the part area of oval surface, and the x axle of the ellipse of its convex surface, y axle, z shaft diameter are respectively: x2, y2, z2 (x2 72 marks, y2 82 marks, z2 92 marks) in the accompanying drawings;
Wherein, x1＜y1; Y2＜x2; 4mm＜x1＜8mm; 8mm＜x2＜16mm wherein, please consult Fig. 4, shown in Figure 5, is x-z view of the present invention, and Fig. 3, shown in Figure 7, is y-z view of the present invention.
In view of the above, as Fig. 4, shown in Figure 7, be located at the light source bright dipping side of light emitting diode 20 when light inlet optical surface 11, the light of this light emitting diode 20 can enter the optical lens body via this light inlet optical surface 11, and by light inlet optical surface 11 is the design of the ellipticity tables area of part concave curved surface, except can be with the side useless light of dissipation originally, via turning to after the birefringence outside effective rising angle scope, after more light emitting diode 20 positive intensive light outwards can being evacuated, the light broken line is gone out to form a kind of luminous visual angle of long and narrow clavate by the bright dipping optical surface 12 of an ellipticity tables area part that is convex surface.
Moreover, made up when LED lighting lens of the present invention 100 cooperates with light emitting diode (LED) 20, and when the light-emitting area 21 of light emitting diode 20 was arranged on origin of coordinate, this LED lighting lens 100 satisfied following conditions:
The above-mentioned light-emitting area 21 of the vertex distance of this light inlet optical surface 11 is between 3 millimeters (mm) to 6 millimeters (mm); The above-mentioned light-emitting area 21 of the vertex distance of this bright dipping optical surface 12 is between 3 millimeters (mm) to 12 millimeters (mm).
Satisfying under the principle of above-mentioned condition, this case LED lighting lens 100 can be distributed into long and narrow oval-shaped beam with the luminous intensity refraction of light emitting diode 20.Multiple as Fig. 7, shown in Figure 9, be respectively this creation LED lighting lens 100 structure front sectional elevations, and to should the front sectional elevation relative position through the light intensity distributions figure of optical lens software simulation, its display light intensity is than wide-angle θ 1 at the X-axis tangent plane, this angle referred to herein as FWHM (full width half-angle), and wherein angle θ 1 is situated between between 40 ° to 80 °.As Fig. 4, shown in Figure 10, be respectively illuminating lens 100 side cutaway views of asymmetric optical profile of the present invention, and to should the side cutaway view relative position through the light intensity distributions figure of optical lens software simulation, its display light intensity is smaller angle θ 2 at the Y-axis tangent plane, this angle referred to herein as FWHM (full width half-angle), and wherein angle θ 2 is situated between between 10 ° to 35 °.In view of the above, via the angle position of fine setting illuminating lens, can change the proportionate relationship of aforementioned θ 1 and θ 2 with respect to light emitting diode.
More than be a kind of LED lighting lens of the present invention and mainly construct, and relative position light intensity distributions schematic diagram.Remaining, keep being provided with under satisfied as the condition of above-mentioned light inlet optical surface 11 with regard to architectural feature of the present invention in lens platform 10, it is located at light inlet optical surface 11 and is convex surface in the outside relatively, it is the bright dipping optical surface 12 of an ellipticity tables area part, the outline line of its curved surface can design ovalize 123, or square 124 rectangle 125 or circular 126 or square unfilled corner 127 or the above polygon of quadrangle change wherein any.
Wherein, the outline line of this curved surface is square 124 bright dipping optical surface 12 forms, can cooperate and consult as Figure 11, shown in Figure 12, is LED lighting lens embodiment two front views of the present invention and vertical view.
The outline line of this curved surface is bright dipping optical surface 12 forms of rectangle 125, can cooperate and consult as Figure 13, shown in Figure 14, is LED lighting lens embodiment three front views of the present invention and vertical view.
The outline line of this curved surface is circular 126 bright dipping optical surface 12 forms, can cooperate and consult as Figure 15, shown in Figure 16, is LED lighting lens embodiment four front views of the present invention and vertical view.
The outline line of this curved surface is bright dipping optical surface 12 forms of square unfilled corner 127, can cooperate and consult as Figure 17, shown in Figure 180, is LED lighting lens embodiment five front views of the present invention and vertical view.
In sum, only be a preferred embodiment of the present invention, be not to be used for limiting scope of the invention process.Be that all equalizations of being done according to the present patent application claim change and modification, be all claim of the present invention and contain.
Claims (4)
1. LED lighting lens, comprising: a lens platform is provided with a light inlet optical surface and a bright dipping optical surface in relative outer face, described light inlet optical surface is a concave curved surface, and described bright dipping optical surface is a convex surface, it is characterized in that:
The curve form of described light inlet optical surface and described bright dipping optical surface is all the part of ellipticity tables area and forms.
2. LED lighting lens as claimed in claim 1 is characterized in that, described light inlet optical surface and described bright dipping optical surface need satisfy following condition:
The recessed oval x axle of described light inlet optical surface, y axle, z shaft diameter are respectively: x1, y1, z1; The protruding oval x axle of described bright dipping optical surface, y axle, z shaft diameter are respectively: x2, y2, z2; Wherein, x1＜y1; Y2＜x2.
3. LED lighting lens as claimed in claim 2 is characterized in that described x1 is between between the 4mm to 8mm; Described x2 is between between the 8mm to 16mm.
4. LED lighting lens as claimed in claim 1 is characterized in that, the curved surface profile line of described bright dipping optical surface, for oval, square, rectangle, circle, square unfilled corner or arbitrary polygon wherein a kind of.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910128486.6A CN101846286A (en) | 2009-03-23 | 2009-03-23 | Lens for LED illumination |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910128486.6A CN101846286A (en) | 2009-03-23 | 2009-03-23 | Lens for LED illumination |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101846286A true CN101846286A (en) | 2010-09-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200910128486.6A Pending CN101846286A (en) | 2009-03-23 | 2009-03-23 | Lens for LED illumination |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101846286A (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102486290A (en) * | 2010-12-02 | 2012-06-06 | 西安大昱光电科技有限公司 | Light-emitting diode (LED) indoor illumination optical lens |
| CN103168194A (en) * | 2010-12-16 | 2013-06-19 | 松下电器产业株式会社 | Backlight device, liquid-crystal display device, and lens |
| CN103868016A (en) * | 2012-12-11 | 2014-06-18 | 鸿富锦精密工业（深圳）有限公司 | Optical lens and light-emitting component using same |
| CN104728690A (en) * | 2013-12-19 | 2015-06-24 | 艾科有限公司 | Lamp |
| DE102015202545A1 (en) * | 2015-02-12 | 2016-08-18 | Automotive Lighting Reutlingen Gmbh | Motor vehicle light |
| CN104180299B (en) * | 2013-05-27 | 2017-02-22 | 海洋王（东莞）照明科技有限公司 | Middle light team light-distribution lens and lamp using lens |
| CN107218567A (en) * | 2017-01-23 | 2017-09-29 | 北京神州汉阳光能科技有限公司 | Integral intelligent low-light (visible ray) power generation road lamp illuminator |
| CN109073189A (en) * | 2015-06-01 | 2018-12-21 | 亮锐控股有限公司 | Lens with elongated radiation pattern |
| CN110131603A (en) * | 2019-06-18 | 2019-08-16 | 深圳市孔明科技有限公司 | A kind of LED lamp |
-
2009
- 2009-03-23 CN CN200910128486.6A patent/CN101846286A/en active Pending
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102486290A (en) * | 2010-12-02 | 2012-06-06 | 西安大昱光电科技有限公司 | Light-emitting diode (LED) indoor illumination optical lens |
| CN103168194A (en) * | 2010-12-16 | 2013-06-19 | 松下电器产业株式会社 | Backlight device, liquid-crystal display device, and lens |
| CN103868016A (en) * | 2012-12-11 | 2014-06-18 | 鸿富锦精密工业（深圳）有限公司 | Optical lens and light-emitting component using same |
| CN104180299B (en) * | 2013-05-27 | 2017-02-22 | 海洋王（东莞）照明科技有限公司 | Middle light team light-distribution lens and lamp using lens |
| CN104728690A (en) * | 2013-12-19 | 2015-06-24 | 艾科有限公司 | Lamp |
| EP2886934A3 (en) * | 2013-12-19 | 2015-09-23 | ERCO GmbH | Luminaire and the like |
| CN104728690B (en) * | 2013-12-19 | 2018-10-02 | 艾科有限公司 | Lamp, collimator optical device and the modular system for lamp |
| DE102015202545A1 (en) * | 2015-02-12 | 2016-08-18 | Automotive Lighting Reutlingen Gmbh | Motor vehicle light |
| DE102015202545B4 (en) | 2015-02-12 | 2023-03-23 | Automotive Lighting Reutlingen Gmbh | Motor vehicle lamp with a light-refracting element between the lamp and the paraboloidal reflector |
| CN109073189A (en) * | 2015-06-01 | 2018-12-21 | 亮锐控股有限公司 | Lens with elongated radiation pattern |
| US11022273B2 (en) | 2015-06-01 | 2021-06-01 | Lumileds Llc | Lens with elongated radiation pattern |
| CN107218567A (en) * | 2017-01-23 | 2017-09-29 | 北京神州汉阳光能科技有限公司 | Integral intelligent low-light (visible ray) power generation road lamp illuminator |
| CN110131603A (en) * | 2019-06-18 | 2019-08-16 | 深圳市孔明科技有限公司 | A kind of LED lamp |
| CN110131603B (en) * | 2019-06-18 | 2023-11-17 | 深圳市孔明科技有限公司 | LED lamp |
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Application publication date: 20100929 |