CN101699147A - Led light source and lens thereof - Google Patents
Led light source and lens thereof Download PDFInfo
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- CN101699147A CN101699147A CN200910110592A CN200910110592A CN101699147A CN 101699147 A CN101699147 A CN 101699147A CN 200910110592 A CN200910110592 A CN 200910110592A CN 200910110592 A CN200910110592 A CN 200910110592A CN 101699147 A CN101699147 A CN 101699147A
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Abstract
The invention discloses an LED light source and a lens thereof. The LED light source comprises an LED and a lens arranged on LED light exit surface, wherein the lens comprises a light incident surface and the light exit surface; the light incident surface is a concave curved surface; the light exit surface is a convex curved surface; both the light incident surface and the light exit surface are optical curved surfaces that can be represented only by parameter vectors and are in accordance with a boundary light principle, luminous flux conservation and ductility conservation; and both the light incident surface and the light exit surface are smooth optical curved surfaces and distribute light in a continuous mode, so that the points, which are on a target, of two adjacent light rays emitted by the LED light source are adjacent and the boundary of the LED light source corresponds to that of the target.
Description
Technical field
The present invention relates to technical field of semiconductor illumination and optical lens technical field, relate in particular to a kind of led light source and lens thereof.
Background technology
LED is the less semiconductor devices of a kind of profile, when electric current can emit beam during by it.Glow color depends primarily on the chemical composition of the luminous composition of led chip, can be deployed into as required that white light or other are various coloured light.Recently, use led light source as show, decorate, beautify, brightening and lighting source begin.But the LED lighting angle is less than normal, and therefore normal fit lens reaches required lighting angle in needing the application of lighting angle.
Relevant lens technologies can be consulted open No. 200710170553.1 disclosed a kind of free-form surface lens of Chinese invention patent application on May 27th, 2009, and the exiting surface of described lens is a free form surface, and incidence surface is plane, cambered surface or parabola.The design of adopting free form surface is applied to fields such as advertisement, square to improve outgoing light homogeneity.
The encapsulating structure and the method for a kind of applying guidance type light emitting diode device that discloses in disclosed Chinese invention patent application on June 10th, 2009 200810220703.X number, described and had at least a surface to be free form surface in its lens exiting surface and the incidence surface, be specifically applied to lighting field, to obtain satisfactory hot spot.But it is that this patent is not described the free form surface of described light face and incidence surface for which kind of free form surface.
In addition, the lens of a kind of LED of the being used for indoor lamp that discloses in No. the 200910037807.1st, disclosed Chinese invention patent application on August 12nd, 2009 and comprise the Grille lamp of these lens, the incidence surface of having described its lens is a hemisphere face, exiting surface is the free form surface that satisfies specific maximum illumination radius, and purpose is to adopt described lens control distribution of light to make hot spot rounded.
At present, when using lens, still have undesirable phenomenon aspect the certain regional lighting effect and the light uniformity, the emission angle of the light that led light source sends does not reach expection sometimes.And adopt high-power LED light source as illumination or when showing, and needing the bigger scope of irradiation, the uniformity will be got well, to reach the effect that needs and to reduce the luminous flux waste.
Summary of the invention
The technical problem that the present invention mainly solves provides led light source and the lens thereof that a kind of luminous uniformity is higher, light utilization efficiency is high.
For solving the problems of the technologies described above, the technical scheme that the present invention adopts is: a kind of lens that are applied to led light source are provided, comprise incidence surface and exiting surface, described incidence surface is a concave curved surface, described exiting surface is a convex surface, described incidence surface and exiting surface all can only be represented with parameter vector, satisfy the boundary rays principle, the optical surface of luminous flux conservation and latitude of emulsion conservation, described incidence surface and exiting surface are smooth optical surfaces and carry out luminous intensity distribution in a continuous manner, it also is adjacent making the adjacent point of two light on target that sends from described led light source, and the border of led light source is corresponding to the border of target.
Wherein, described optical surface is XY polynomial surface, bezier surface, B-spline surface or non-homogeneous B spline curve (NURBS) curved surface.
Wherein, described led light source is a high-power LED light source, and described lens are the wide-angle lens of light transmittance more than 93%.
Wherein, described wide-angle full-shape angle is more than 95 degree.
Wherein, comprise from the radially extended installation portion of described rims of the lens and be positioned on the installation portion and installing hole or erection column the led support stationary positioned.
Wherein, described installation portion and erection column and described lens are one-body molded.
Wherein, the material of described lens is optics PMMA or optics PC.
For solving the problems of the technologies described above, another technical solution used in the present invention is: a kind of led light source is provided, comprise: LED and the lens of being located at described LED exiting surface, described lens comprise: incidence surface and exiting surface, described incidence surface is a concave curved surface, described exiting surface is a convex surface, described incidence surface and exiting surface all can only be represented with parameter vector, satisfy the boundary rays principle, the optical surface of luminous flux conservation and latitude of emulsion conservation, described incidence surface and exiting surface are smooth optical surfaces and carry out luminous intensity distribution in a continuous manner, it also is adjacent making the adjacent point of two light on target that sends from described led light source, and the border of led light source is corresponding to the border of target.
Wherein, described optical surface is XY polynomial surface, bezier surface, B-spline surface or non-homogeneous B spline curve nurbs surface.
Wherein, comprise led support, described lens comprise installation portion, and described installation portion radially extends from described rims of the lens, and have and be positioned on the installation portion and installing hole or erection column the led support stationary positioned.
The invention has the beneficial effects as follows: the LED lighting effect and the unfavorable situation of the light uniformity that are different from the prior art fit lens, the present invention is directed to the LED rising angle distributes non-homogeneous, non-linear characteristics, the two-sided lens that all adopt parameter vector to represent optical surface of special design, not only carry out complicated optical surface design at exiting surface, also on incidence surface, carry out complicated optical surface design, the optical surface that is described exiting surface and incidence surface had both satisfied the boundary rays principle, luminous flux conservation and latitude of emulsion conservation, also can carry out luminous intensity distribution in a continuous manner to light from LED, it also is adjacent making the adjacent point of two light on target that sends from described led light source, the border of led light source is corresponding to the border of target, like this, the lens of design are to ray refraction, diffusion structure light basic and LED is dispersed and is distributed as complementary relationship, the feasible light that comes out from lens is realized highly even in range of exposures, can realize the uniformity easily more than 0.85, even reach more than 0.95; Be different from the lens arrangement that only carries out the optical surface design on the principle fully on a surface, because the present invention carries out as above optical surface design at lens incidence surface and exiting surface, this two optical surface is organic cooperation to interception of rays, function is to make the light refractive structure of LED light emission distribution and lens realize complementation, obviously only carries out the optical surface design on a surface of lens and can't reach this effect; And the optical surface of described exiting surface and incidence surface had both satisfied boundary rays principle, luminous flux conservation and latitude of emulsion conservation, can at utmost improve the light utilization ratio, reduced the light loss consumption.
Description of drawings
Fig. 1 is the overall structure generalized section of lens embodiment one of the present invention;
Fig. 2 is the concave surface perspective view of embodiment one;
Fig. 3 is the convex surface perspective view of embodiment one;
Fig. 4 is the overall structure generalized section of lens embodiment two of the present invention;
Fig. 5 is the concave surface perspective view of embodiment two;
Fig. 6 is the convex surface perspective view of embodiment two;
Fig. 7 is the overall structure generalized section of lens embodiment three of the present invention;
Fig. 8 is the concave surface perspective view of embodiment three;
Fig. 9 is the convex surface perspective view of embodiment three;
Figure 10 is the overall structure generalized section of lens embodiment four of the present invention;
Figure 11 is the concave surface perspective view of embodiment four;
Figure 12 is the convex surface perspective view of embodiment four;
Figure 13 is a kind of distribution curve flux figure of lens of the present invention.
The specific embodiment
Consult Fig. 1 to Fig. 3 together, the lens embodiment that the present invention is applied to led light source comprises:
Incidence surface and exiting surface;
Wherein, described incidence surface is a concave curved surface, described exiting surface is a convex surface, described incidence surface and exiting surface all are the optical surfaces that can only represent with parameter vector, satisfy boundary rays principle, luminous flux conservation and latitude of emulsion conservation, described incidence surface and exiting surface are smooth optical surfaces and carry out luminous intensity distribution in a continuous manner, it also is adjacent making the adjacent point of two light on target that sends from described led light source, and the border of led light source is corresponding to the border of target.
Be different from the LED lighting effect and the unfavorable situation of the light uniformity of prior art fit lens, the present invention is directed to the LED rising angle distributes non-homogeneous, non-linear characteristics, the two-sided lens that all adopt parameter vector to represent optical surface of special design, not only carry out complicated optical surface design at exiting surface, also on incidence surface, carry out complicated optical surface design, the optical surface that is described exiting surface and incidence surface had both satisfied the boundary rays principle, luminous flux conservation and latitude of emulsion conservation, also can carry out luminous intensity distribution in a continuous manner to light from LED, it also is adjacent making the adjacent point of two light on target that sends from described led light source, the border of led light source is corresponding to the border of target, like this, the lens of design are to ray refraction, diffusion structure light basic and LED is dispersed and is distributed as complementary relationship, the feasible light that comes out from lens is realized highly even in range of exposures, can realize the uniformity easily more than 0.85, even can reach more than 0.95;
Be different from the lens arrangement that only carries out the optical surface design on the principle of the invention fully on a surface, because the present invention carries out as above optical surface design at lens incidence surface and exiting surface, this two optical surface is organic cooperation to interception of rays, function is to make the light refractive structure of LED light emission distribution and lens realize complementation, obviously only carries out the optical surface design on a surface of lens and can't reach this effect;
And the optical surface of described exiting surface and incidence surface had both satisfied boundary rays principle, luminous flux conservation and latitude of emulsion conservation, can at utmost improve the light utilization ratio, reduced the light loss consumption.
Described optical surface is XY polynomial surface, bezier surface, B-spline surface or non-homogeneous B spline curve nurbs surface.
Among embodiment, described led light source is a high-power LED light source therein, and described lens are the wide-angle lens of light transmittance more than 93%.
Described wide-angle full-shape angle is more than 95 degree.
The use that matches with above-mentioned led light source of described wide-angle lens, further strengthen the lighting effect and the light uniformity in big zone, improve the illumination uniformity and light efficiency, reach required irradiating angle in a big way, the light of each angle that high-power superbright degree led light source is sent carries out luminous intensity distribution again, improves the light utilization ratio most possibly.
Therein among embodiment, described lens comprise from the radially extended installation portion of described rims of the lens and are positioned on the installation portion and installing hole or erection column the led support stationary positioned.
Described lens are the optical materials by the light transmission high-quality, as optics PMMA, optics PC or optical glass etc., adopt multiaxis ultraprecise nanofabrication technique, ultraprecise injection molding technology, glass ware forming technology, the wide-angle lens that several installing holes or erection column are arranged that integral is made, light transmittance is more than 93%, and described like this installation portion and erection column and described lens are integrated formed structures.
Described installing hole can be the direct mounting hole site of screw, and such as the countersunk head screw mounting hole site, described installation pillar has the close-fitting erection column of projection.
Below be described in more detail the present invention:
Also referring to figs. 1 through Fig. 3, the embodiment of the invention one is as follows:
Fig. 1 is the overall structure generalized section of the embodiment of the invention one.The wide-angle lens 1 of high-power LED light source designs through optical system, for example integral injection mo(u)lding such as optics PMMA, optics PC of optical material by the light transmission high-quality, light transmittance reaches more than 93%, comprise at least two countersunk head screw mounting hole site 1a on concave curved surface 1c, convex surface 1b and installation portion (claiming lens carrier again) 1d and the lens carrier, this mounting hole site is by required permutation and combination; Concave curved surface 1c and convex surface 1b are designed to optical surface or non-sphere curved surface, optical surface or non-sphere curved surface mainly refer to any unconventional curved surface or asymmetrical curved surface or the curved surface that can only represent with parameter vector, nurbs surface for example, parameter vector is represented the arbitrary shape optical surface, comprises XY polynomial surface, bezier surface, B-spline surface or non-homogeneous B spline curve curved surface NURBS etc.Incidence surface described in the present embodiment is the XY polynomial surface, and exiting surface is a bezier surface.Adopt these systems or the element of optical surface to be called as optical surface optical system or optical surface optical element, optical surface illumination design principle has the boundary rays principle, luminous flux conservation and latitude of emulsion conservation, improve the illumination uniformity and light efficiency, reach required irradiating angle in a big way, the light of each angle that high-power superbright degree led light source is sent carries out luminous intensity distribution again, improve the light utilization ratio most possibly, any smooth optical surface carries out luminous intensity distribution in a continuous manner, the adjacent point of two light on target that sends from high-power superbright degree led light source also is adjacent, the border of led light source is corresponding to the border of target, the latitude of emulsion refers to the optics etendue, and is relevant with light source area and solid angle; Lens carrier 1d and lens body are integrated injection moldings, and also injection moulding is assembled again in addition, and lens carrier 1d is provided with at least two countersunk head screw mounting hole site 1a.
Fig. 2 is the concave surface perspective view of embodiment one.Wide-angle lens is provided with concave curved surface 1c and lens carrier 1d.
Fig. 3 is the convex surface perspective view of embodiment one.Wide-angle lens is provided with convex surface 1b and lens carrier is provided with at least two countersunk head screw mounting hole site 1a.
Fig. 4 is the overall structure generalized section of the embodiment of the invention two.The wide-angle lens 2 of high-power LED light source designs through optical system, for example integral injection mo(u)lding such as optics PMMA, optics PC of optical material by the light transmission high-quality, light transmittance reaches more than 93%, comprise that at least two on concave curved surface 2c, convex surface 2b and lens carrier 2d and the lens carrier are installed screens close-fitting post 2a, this installs screens close-fitting post by required permutation and combination; Concave curved surface 2c and convex surface 2b are designed to optical surface or non-sphere curved surface, optical surface or non-sphere curved surface mainly refer to any unconventional curved surface or asymmetrical curved surface or the curved surface that can only represent with parameter vector, nurbs surface for example, parameter vector is represented the arbitrary shape optical surface, comprises XY polynomial surface, bezier surface, B-spline surface, non-homogeneous B spline curve curved surface NURBS etc.Incidence surface described in the present embodiment is a bezier surface, and exiting surface is a B-spline surface.Adopt these systems or the element of optical surface to be called as optical surface optical system or optical surface optical element, optical surface illumination design principle has boundary rays principle, luminous flux conservation and latitude of emulsion conservation, improve the illumination uniformity and light efficiency, reach required irradiating angle in a big way, the light of each angle that high-power superbright degree led light source is sent carries out luminous intensity distribution again, improves the light utilization ratio most possibly.
Fig. 5 is the concave surface perspective view of embodiment two.Wide-angle lens is provided with at least two installation screens close-fitting post 2a on concave curved surface 2c and the lens carrier.
Fig. 6 is the convex surface perspective view of embodiment two.Wide-angle lens is provided with convex surface 2b and lens carrier 2d.
Fig. 7 is the overall structure generalized section of the embodiment of the invention three.The wide-angle lens 3 of high-power LED light source designs through optical system, for example integral injection mo(u)lding such as optics PMMA, optics PC of optical material by the light transmission high-quality, light transmittance reaches more than 93%, comprise at least two countersunk head screw mounting hole site 3a on concave curved surface 3c, convex surface 3b and lens carrier 3d and the lens carrier, this mounting hole site is by required permutation and combination; Concave curved surface 1c and convex surface 1b are designed to optical surface or non-sphere curved surface.Incidence surface described in the present embodiment is a B-spline surface, and exiting surface is the non-homogeneous B spline curve nurbs surface.
Fig. 8 is the concave surface perspective view of embodiment three.Wide-angle lens is provided with concave curved surface 3c and lens carrier 3d.
Fig. 9 is the convex surface perspective view of embodiment three.Wide-angle lens is provided with convex surface 3b and lens carrier is provided with at least two countersunk head screw mounting hole site 3a.
Figure 10 is the overall structure generalized section of the embodiment of the invention four.The wide-angle lens 4 of high-power LED light source designs through optical system, for example integral injection mo(u)lding such as optics PMMA, optics PC of optical material by the light transmission high-quality, light transmittance reaches more than 93%, comprise that at least two on concave curved surface 4c, convex surface 4b and lens carrier 4d and the lens carrier are installed screens close-fitting post 4a, this installs screens close-fitting post by required permutation and combination; Concave curved surface 4c and convex surface 4b are designed to optical surface or non-sphere curved surface.Incidence surface described in the present embodiment is a bezier surface, and exiting surface is the non-homogeneous B spline curve nurbs surface.
Figure 11 is the concave surface perspective view of embodiment four.Wide-angle lens is provided with at least two installation screens close-fitting post 4a on concave curved surface 4c and the lens carrier.
Figure 12 is the convex surface perspective view of embodiment four.Wide-angle lens is provided with convex surface 4b and lens carrier 4d.
Figure 13 is a kind of distribution curve flux figure of the present invention.Be that led light source by high-power superbright degree is through wide-angle lens luminous intensity distribution again, light transmittance reaches more than 93%, improve the illumination uniformity and light efficiency, the uniformity is more than 0.85, reach required irradiating angle in a big way, full-shape 95 degree, the light of each angle that high-power superbright degree led light source is sent carries out luminous intensity distribution again, any smooth optical surface carries out luminous intensity distribution in a continuous manner, the adjacent point of two light on target that sends from high-power superbright degree led light source also is adjacent, the light utilization ratio is improved, energy savings most possibly corresponding to the border of target in the border of led light source.
The present invention also discloses a kind of led light source, comprising:
LED and the lens of being located at described LED exiting surface, described lens comprise:
Incidence surface and exiting surface, described incidence surface is a concave curved surface, described exiting surface is a convex surface, described incidence surface and exiting surface all are the optical surfaces that can only represent with parameter vector, satisfy boundary rays principle, luminous flux conservation and latitude of emulsion conservation, described incidence surface and exiting surface are smooth optical surfaces and carry out luminous intensity distribution in a continuous manner, it also is adjacent making the adjacent point of two light on target that sends from described led light source, and the border of led light source is corresponding to the border of target.
As above, adopt the led light source outgoing light homogeneity of lens of the present invention significantly to improve, light utilization efficiency also effectively improves.
Wherein, described optical surface is XY polynomial surface, bezier surface, B-spline surface or non-homogeneous B spline curve nurbs surface.
And, can also comprise led support, described lens comprise installation portion, described installation portion radially extends from described rims of the lens, and has and be positioned on the installation portion and installing hole or erection column the led support stationary positioned.
To sum up, the present invention possesses following beneficial effect at least:
(1) the present invention is the solid-state module cold light source, because illumination, lighting effect and the light uniformity of the light that present led light source itself sends are not very desirable, the emission angle of the light that led light source sends does not reach expection sometimes, and wide-angle lens provided by the present invention can reach required effect.Wide-angle lens be with the optical material one-shot forming of light transmission high-quality integral and the wide-angle lens of several installation positions is arranged, the agent structure in the wide-angle lens is to be made of concave curved surface and two optical surfaces of convex surface or non-sphere curved surface.
(2) optical surface of the present invention or non-sphere curved surface are mainly to refer to any unconventional curved surface or asymmetrical curved surface or the curved surface that can only represent with parameter vector, nurbs surface for example, parameter vector is represented the arbitrary shape optical surface, comprise the XY polynomial surface, bezier surface, B-spline surface, non-homogeneous B spline curve curved surface (NURBS) etc., adopt these systems or the element of optical surface to be called as optical surface optical system or optical surface optical element, optical surface illumination design principle has the boundary rays principle, luminous flux conservation and latitude of emulsion conservation, improve the illumination uniformity and light efficiency, reach required irradiating angle in a big way, the light of each angle that high-power superbright degree led light source is sent carries out luminous intensity distribution again, improve the light utilization ratio most possibly, any smooth optical surface carries out luminous intensity distribution in a continuous manner, the adjacent point of two light on target that sends from high-power superbright degree led light source also is adjacent, and the border of led light source is corresponding to the border of target.
(3) lens of the present invention are the wide-angle lenses that can be applied to CREE XP-E and the high-power superbright degree of LUXEON Rebel LED, it is single and illumination uniformity is undesirable, the lens angle is less than normal, the illumination uniformity is undesirable, the unfavorable technical problem of light utilization ratio to have solved the lighting angle of high light large power LED light source own, overall construction design novelty, uniqueness are also compacter, more harmonious, more attractive in appearance.
The above only is embodiments of the invention; be not so limit claim of the present invention; every equivalent structure or equivalent flow process conversion that utilizes specification of the present invention and accompanying drawing content to be done; or directly or indirectly be used in other relevant technical fields, all in like manner be included in the scope of patent protection of the present invention.
Claims (10)
1. lens that are applied to led light source is characterized in that:
Comprise incidence surface and exiting surface, described incidence surface is a concave curved surface, described exiting surface is a convex surface, described incidence surface and exiting surface all are the optical surfaces that can only represent with parameter vector, satisfy boundary rays principle, luminous flux conservation and latitude of emulsion conservation, described incidence surface and exiting surface are smooth optical surfaces and carry out luminous intensity distribution in a continuous manner, it also is adjacent making the adjacent point of two light on target that sends from described led light source, and the border of led light source is corresponding to the border of target.
2. the lens that are applied to led light source according to claim 1 is characterized in that:
Described optical surface is XY polynomial surface, bezier surface, B-spline surface or non-homogeneous B spline curve nurbs surface.
3. the lens that are applied to led light source according to claim 1 and 2 is characterized in that:
Described led light source is a high-power LED light source, and described lens are the wide-angle lens of light transmittance more than 93%.
4. the lens that are applied to led light source according to claim 3 is characterized in that:
Described wide-angle full-shape angle is more than 95 degree.
5. the lens that are applied to led light source according to claim 1 and 2 is characterized in that:
Comprise from the radially extended installation portion of described rims of the lens and be positioned on the installation portion and installing hole or erection column the led support stationary positioned.
6. the lens that are applied to led light source according to claim 5 is characterized in that:
Described installation portion and erection column and described lens are one-body molded.
7. the lens that are applied to led light source according to claim 1 and 2 is characterized in that:
The material of described lens is optics PMMA or optics PC.
8. a led light source is characterized in that, comprising:
LED and the lens of being located at described LED exiting surface, described lens comprise:
Incidence surface and exiting surface, described incidence surface is a concave curved surface, described exiting surface is a convex surface, described incidence surface and exiting surface all are the optical surfaces that can only represent with parameter vector, satisfy boundary rays principle, luminous flux conservation and latitude of emulsion conservation, described incidence surface and exiting surface are smooth optical surfaces and carry out luminous intensity distribution in a continuous manner, it also is adjacent making the adjacent point of two light on target that sends from described led light source, and the border of led light source is corresponding to the border of target.
9. led light source according to claim 8 is characterized in that:
Described optical surface is XY polynomial surface, bezier surface, B-spline surface or non-homogeneous B spline curve nurbs surface.
10. it is characterized in that according to Claim 8 or 9 described led light sources:
Comprise led support, described lens comprise installation portion, and described installation portion radially extends from described rims of the lens, and have and be positioned on the installation portion and installing hole or erection column the led support stationary positioned.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910110592A CN101699147A (en) | 2009-10-19 | 2009-10-19 | Led light source and lens thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910110592A CN101699147A (en) | 2009-10-19 | 2009-10-19 | Led light source and lens thereof |
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| Publication Number | Publication Date |
|---|---|
| CN101699147A true CN101699147A (en) | 2010-04-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200910110592A Pending CN101699147A (en) | 2009-10-19 | 2009-10-19 | Led light source and lens thereof |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102252265A (en) * | 2011-04-13 | 2011-11-23 | 胡文松 | Light transmission shell capable of transmitting strong light and wide-angle light of light source |
| CN102297382A (en) * | 2010-06-25 | 2011-12-28 | 旭丽电子(广州)有限公司 | LED (light emitting diode) lens |
| CN102410494A (en) * | 2011-11-24 | 2012-04-11 | 深圳市耀嵘科技有限公司 | Lens and LED bulkhead lamp |
| CN103479307A (en) * | 2012-06-07 | 2014-01-01 | 三星电子株式会社 | Obstacle sensing module and cleaning robot including the same |
| CN104390194A (en) * | 2014-10-31 | 2015-03-04 | 深圳科宏健半导体照明有限公司 | Light distribution lens of LED (Light-emitting Diode) light source and LED lamp |
| CN105572834A (en) * | 2016-01-27 | 2016-05-11 | 珠海格力电器股份有限公司 | Lens and remote control device with same |
| CN112325184A (en) * | 2020-08-06 | 2021-02-05 | 海洋王照明科技股份有限公司 | Light distribution lens and illuminating lamp with same |
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2009
- 2009-10-19 CN CN200910110592A patent/CN101699147A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102297382A (en) * | 2010-06-25 | 2011-12-28 | 旭丽电子(广州)有限公司 | LED (light emitting diode) lens |
| CN102297382B (en) * | 2010-06-25 | 2013-01-02 | 旭丽电子(广州)有限公司 | LED (light emitting diode) lens |
| CN102252265A (en) * | 2011-04-13 | 2011-11-23 | 胡文松 | Light transmission shell capable of transmitting strong light and wide-angle light of light source |
| CN102410494A (en) * | 2011-11-24 | 2012-04-11 | 深圳市耀嵘科技有限公司 | Lens and LED bulkhead lamp |
| CN102410494B (en) * | 2011-11-24 | 2013-03-27 | 深圳市耀嵘科技有限公司 | Lens and LED bulkhead lamp |
| US9846435B2 (en) | 2012-06-07 | 2017-12-19 | Samsung Electronics Co., Ltd. | Obstacle sensing module and cleaning robot including the same |
| CN103479307A (en) * | 2012-06-07 | 2014-01-01 | 三星电子株式会社 | Obstacle sensing module and cleaning robot including the same |
| CN103479307B (en) * | 2012-06-07 | 2018-04-13 | 三星电子株式会社 | Barrier sensing module and the clean robot for including the barrier sensing module |
| CN104390194A (en) * | 2014-10-31 | 2015-03-04 | 深圳科宏健半导体照明有限公司 | Light distribution lens of LED (Light-emitting Diode) light source and LED lamp |
| CN104390194B (en) * | 2014-10-31 | 2017-04-26 | 深圳科宏健半导体照明有限公司 | Light distribution lens of LED (Light-emitting Diode) light source and LED lamp |
| CN105572834A (en) * | 2016-01-27 | 2016-05-11 | 珠海格力电器股份有限公司 | Lens and remote control device with same |
| CN112325184A (en) * | 2020-08-06 | 2021-02-05 | 海洋王照明科技股份有限公司 | Light distribution lens and illuminating lamp with same |
| CN112325184B (en) * | 2020-08-06 | 2022-10-25 | 海洋王照明科技股份有限公司 | Light distribution lens and illuminating lamp with same |
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