CN104565839A - Light condensing lens and lamp provided with same - Google Patents

Light condensing lens and lamp provided with same Download PDF

Info

Publication number
CN104565839A
CN104565839A CN201310469782.9A CN201310469782A CN104565839A CN 104565839 A CN104565839 A CN 104565839A CN 201310469782 A CN201310469782 A CN 201310469782A CN 104565839 A CN104565839 A CN 104565839A
Authority
CN
China
Prior art keywords
light
light source
end
condenser lens
lamp
Prior art date
Application number
CN201310469782.9A
Other languages
Chinese (zh)
Inventor
周明杰
黄俊晖
Original Assignee
深圳市海洋王照明工程有限公司
海洋王照明科技股份有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 深圳市海洋王照明工程有限公司, 海洋王照明科技股份有限公司 filed Critical 深圳市海洋王照明工程有限公司
Priority to CN201310469782.9A priority Critical patent/CN104565839A/en
Publication of CN104565839A publication Critical patent/CN104565839A/en

Links

Abstract

The invention discloses a light condensing lens which is a rotary paraboloid revolving body taking an optical axis as a revolving axis, wherein the periphery of the light condensing lens is a rotary paraboloid, a light source accommodating cavity which is a semispherical groove is formed in a small end of the light condensing lens, the circle center of the light source accommodating cavity is positioned on the focal point of the periphery, a convex spherical surface is formed on the spherical top of the light source accommodating cavity, and the circle center of the convex spherical surface is positioned on the optical axis of the light condensing lens; light which comes to the convex spherical surface from the focal point of the periphery is condensed to the large-end surface, the light which comes to the side wall of the light source accommodating cavity from the focal point of the periphery is totally reflected to the large-end surface through the periphery. According to the light condensing lens disclosed by the invention, the light is totally reflected through the periphery of the rotary paraboloid and the light is condensed through the convex spherical surface, so that the light condensing path is short, lamp dimensions are reduced and the cost is lowered. Besides, the invention further provides a lamp provided with the light condensing lens.

Description

聚光透镜及具有该聚光透镜的灯具 Lamp and the condenser lens having a converging lens

技术领域 FIELD

[0001] 本发明涉及照明领域,尤其涉及一种聚光透镜及具有该聚光透镜的灯具。 [0001] The present invention relates to lighting, and more particularly to a condenser lens of the condenser lens having a lamp.

背景技术 Background technique

[0002] LED聚光灯是一种能将光线集中投射于某个特定方向,用于远距离照明巡查的灯具。 [0002] LED spotlight can be a focused light is projected on a particular direction, for remote inspection lighting fixtures. 其具有较强较集中的光束。 It has strong more concentrated beam. LED聚光灯作为专业灯具广泛应用于易燃易爆场所、水下工作以及部队、工矿企业、铁路和公安消防等场所。 As a professional lighting LED spotlight is widely used in flammable and explosive places, underwater work and military, industrial and mining enterprises, railways and public security and fire and other places.

[0003] 然而现有的灯具多采用反射系统设计其聚光,其结构尺寸较大,空间占用较多,从而使得灯具尺寸较大,影响产品外观以及产品的成本。 [0003] However, the conventional multi-use reflective lighting system design that condenses the structure large in size, takes more space, so that the lamp large in size, appearance and impact on cost of the product.

发明内容 SUMMARY

[0004] 本发明的目的在于提供一种尺寸小、成本低的聚光透镜及具有该聚光透镜的灯具。 [0004] The object of the present invention is to provide a small-size, low cost and having a lamp condenser lens of the condenser lens.

[0005] 为了解决上述技术问题,本发明提供了一种聚光透镜,所述聚光透镜是以光轴为回转轴的旋转抛物面回转体,所述聚光透镜的外周为旋转抛物面,所述聚光透镜小端开设光源容纳腔,所述光源容纳腔为半球形凹槽,所述光源容纳腔的圆心位于所述外周的焦点,所述光源容纳腔的球顶成型一凸球面,所述凸球面的圆心位于所述聚光透镜的光轴上,经由所述外周的焦点入射至所述凸球面的光线汇聚至所述大端的端面,经由所述外周的焦点入射至所述光源容纳腔侧壁的光线由所述外周全反射至所述大端的端面。 [0005] To solve the above problems, the present invention provides a condensing lens, a condensing lens is the optical axis of a paraboloid of revolution rotary axis rotors, an outer periphery of the condensing lens is a paraboloid of revolution, said small end defines a light source condenser lens receiving chamber, the receiving chamber is hemispherical indentation source, said light source located at the focal center of the receiving chamber of the outer periphery of the light source chamber receiving a convex spherical dome shaped, the convex spherical surface center on the optical axis of the condenser lens, the focus of the incident via the outer periphery to a convex spherical surface of the light converging to the big end of the end surface, the focus of the incident via the outer periphery of the light receiving chamber outer sidewall comprehensive light reflected by the end surface to the big end.

[0006] 其中,所述大端的端面为平面。 [0006] wherein, the end surface of the big end plane.

[0007] 其中,所述光源容纳腔的半径为4毫米。 [0007] wherein said light receiving chamber radius of 4 mm.

[0008] 其中,所述外周的焦距为2.5毫米。 [0008] wherein the outer periphery of the focal length of 2.5 mm.

[0009] 其中,所述凸球面的半径是3.5毫米。 [0009] wherein the convex spherical surface of radius 3.5 mm.

[0010] 其中,所述聚光透镜采用光学级透明塑胶材料制成。 [0010] wherein said condenser lens of transparent optical grade plastic material.

[0011] 本发明还提供一种灯具,其包括灯头组件,所述灯头组件包括光源及聚光透镜,所述聚光透镜是以光轴为回转轴的旋转抛物面回转体,所述聚光透镜的外周为旋转抛物面,所述聚光透镜小端开设光源容纳腔,所述光源容纳腔为半球形凹槽,所述光源容纳腔的圆心位于所述外周的焦点,所述光源容纳腔的球顶成型一凸球面,所述凸球面的圆心位于所述聚光透镜的光轴上,所述光源收容于所述光源容纳腔内,且位于所述外周的焦点,所述光源的光轴重合于所述聚光透镜的光轴,所述光源发射的光线由所述透镜小端射入所述聚光透镜,入射至所述凸球面的光线汇聚至所述大端的端面,入射至所述光源容纳腔侧壁的光线由所述外周全反射至所述大端的端面。 [0011] The present invention further provides a lamp comprising a lamp assembly, the lamp assembly comprising a light source and a condenser lens, said condenser lens is the optical axis of a paraboloid of revolution rotary axis rotors, said condenser lens the outer periphery of a rotation paraboloid, the light source condenser lens receiving chamber defines a small end, said light source is a hemispherical indentation receiving chamber, said chamber receiving the light source located at the focal center of the outer periphery of the light source chamber receiving ball forming a convex spherical top, on said convex spherical surface centered on the center axis of the condenser lens, the light source to focus the light receiving housing cavity and located outer periphery of the light source coincides with the optical axis to the optical axis of the condenser lens, the light emitted from said light source incident on the condenser lens from the small end of the lens, the light incident to the convex spherical surface end face converging to the big end, incident to the light receiving chamber side walls by the light reflected to the whole peripheral end surface of the large end.

[0012] 其中,所述光源采用发光二极管。 [0012] wherein said light source is a light emitting diode.

[0013] 其中,所述灯具包括壳体,所述壳体呈筒状,所述壳体采用高强度铝型材制成,所述灯头组件设置于所述壳体一端。 [0013] wherein the lamp comprises a housing, said housing has a cylindrical shape, the housing is made of high-strength aluminum, the cap assembly disposed in said housing end.

[0014] 其中,所述灯具包括电源及驱动电路,所述电源及驱动电路均收容于所述壳体内,所述驱动电路电连接于所述电源及所述光源之间。 [0014] wherein the lamp comprises a power source and a driving circuit, said power supply and the drive circuit are accommodated in said housing, said driving circuit is electrically connected to the power source and between said source.

[0015] 本发明所提供的聚光透镜通过旋转抛物面的外周全反射光线,及通过所述凸球面汇聚光线,从而使得光线汇聚路径短,减小灯具尺寸,降低成本。 [0015] The condenser lens of the present invention provides a comprehensive light reflected by a paraboloid of revolution, the light converged by the convex and spherical surface, so that the light converging short path, the lamp is reduced size and cost.

[0016] 另外,由于全反射及凸球面聚光,所以光利用率高,减小光损耗。 [0016] Further, since the convex spherical and totally condensed light utilization efficiency is high, to reduce the optical loss.

附图说明 BRIEF DESCRIPTION

[0017] 为了更清楚地说明本发明的技术方案,下面将对实施方式中所需要使用的附图作简单地介绍,显而易见地,下面描述中的附图仅仅是本发明的一些实施方式,对于本领域普通技术人员来讲,在不付出创造性劳动的前提下,还可以根据这些附图获得其他的附图。 [0017] In order to more clearly illustrate the technical solutions of the present invention, the following embodiment will be described accompanying drawings as briefly described required Apparently, the drawings in the following description are only some embodiments of the invention, for ordinary skill in the art, without creative efforts, can obtain other drawings based on these drawings.

[0018] 图1是本发明实施方式提供的灯具的示意图; [0018] FIG. 1 is a schematic diagram of the lamp provided by the embodiment of the present invention;

[0019] 图2是图1的灯具的光源及聚光透镜的示意图; [0019] FIG. 2 is a schematic diagram of a light source lamp of FIG. 1 and a condenser lens;

[0020] 图3是图2的光源及聚光透镜的光路示意图; [0020] FIG. 3 is a schematic view of an optical path of a light source and a condenser lens 2 of FIG;

[0021] 图4是图1的灯具的配光曲线图; [0021] FIG. 4 is a graph showing a light distribution of the lamp of Figure 1;

[0022] 图5是图1的灯具的照度分布图。 [0022] FIG. 5 is a view of a lamp of the illuminance distribution of FIG.

具体实施方式 Detailed ways

[0023] 下面将结合本发明实施方式中的附图,对本发明实施方式中的技术方案进行清楚、完整地描述。 [0023] The embodiments of the invention in conjunction with the following drawings, embodiments of the present invention, technical solutions are clearly and completely described.

[0024] 请一并参阅图1至图3,本发明实施方式提供的一种具100,所述灯具100包括灯头组件10、壳体20、电源30、驱动电路40及尾盖组件50。 [0024] Referring to FIG. 1 to FIG. 3 An embodiment of the present invention provided with the 100, the lamp 100 includes a lamp assembly 10, a housing 20, a power supply 30, the drive circuit 40 and the tail cap assembly 50. 所述灯头10及所述尾盖组件50相对设置于所述壳体20两端。 The base 10 and the tail cap assembly 50 relative to the housing 20 disposed at both ends. 所述电源30及驱动电路40收容于所述壳体20内。 The power supply 30 and the driver circuit 40 housed within the housing 20.

[0025] 本实施方式中,所述壳体20呈筒状。 [0025] In the present embodiment, the housing 20 has a cylindrical shape. 所述壳体20采用高强度铝型材制成。 The housing 20 is made of high strength aluminum. 本实施方式中,所述壳体20为圆筒状结构。 In the present embodiment, the housing 20 is a cylindrical structure.

[0026] 所述灯头组件10设置于所述壳体20 —端。 The [0026] the base assembly 10 is disposed on the housing 20 - end. 所述灯头组件10包括光源11及聚光透镜12,所述聚光透镜12是以光轴00'为回转轴的旋转抛物面回转体。 The cap assembly 10 includes a light source 11 and a condenser lens 12, the condensing lens 12 is an optical axis 00 'of rotary shaft rotation paraboloid rotors. 所述聚光透镜12的外周12a为旋转抛物面。 An outer periphery 12a of the condensing lens 12 is a paraboloid of revolution. 所述聚光透镜12小端121开设光源容纳腔121a,所述光源容纳腔121a为半球形凹槽,所述光源容纳腔121a的圆心位于所述外周12a的焦点F,所述光源容纳腔121a的球顶成型一凸球面121b,所述凸球面121b的圆心位于所述聚光透镜12的光轴00'上,经由所述外周12a的焦点F入射至所述凸球面121b的光线LI汇聚至所述大端的端面122a,经由所述外周12a的焦点F入射至所述光源容纳腔121a侧壁121c的光线L2由所述外周12a全反射至所述大端122的端面122a。 The condenser lens 121 of the small end 12 defines a cavity receiving the light source 121a, 121a of the light source chamber receiving a hemispherical recess, said light receiving chamber 121a centered on the center of the outer periphery of the focus F 12a, the light receiving chamber 121a the spherical dome forming a protrusion 121b, the projection center of the optical axis of the condenser lens 12 on a 00 'sphere 121b is incident through the focus F of the outer periphery 12a to the convex spherical surface 121b of the converging light LI to the big end of the end face 122a, the outer periphery 12a via the focal point F to the light source incident on the light receiving cavity sidewall L2 121a 121c by the outer periphery 12a of the large end 122 to the total reflection end surface 122a. 本实施方式中,所述光源容纳腔121a的半径为4毫米。 The present embodiment, the light source receiving space 121a has a radius of 4 mm. 所述外周的焦距为2.5毫米。 The outer circumference of the focal length of 2.5 mm. 所述凸球面121b的半径是3.5毫米。 The radius of the convex spherical surface 121b is 3.5 mm. 所述聚光透镜12采用光学级透明塑胶材料制成。 The condenser lens 12 using a transparent optical grade plastic material. 具体地,所述聚光透镜12采用聚甲基丙烯酸甲酯制成。 In particular, the condenser lens 12 is made of polymethyl methacrylate. 所述大端122的端面122a为平面。 The large end 122 flat end surface 122a. 当然,在其他实施方式中,所述大端122的端面122a也可以是凸面、凹面或非球曲面。 Of course, in other embodiments, the end surface of the large end 122a 122 may also be convex, concave or aspherical surface. 所述聚光透镜12也可以采用玻璃制成。 The condenser lens 12 may also be made of glass employed.

[0027] 所述光源11收容于所述光源容纳腔121a内,且位于所述外周12a的焦点F,所述光源11的光轴NN'重合于所述聚光透镜12的光轴00',所述光源11发射的光线由所述透镜12小端121射入所述聚光透镜12,入射至所述凸球面121b的光线汇聚至所述大端122的端面122a,入射至所述光源容纳腔121a侧壁121c的光线由所述外周12a全反射至所述大端122的端面122a。 [0027] The light source 11 received in the inner receiving space 121a, and the outer periphery 12a is located at the focal point F., The optical axis of the light source 11 is NN 'coincides with the optical axis of the condenser lens 12, 00', the light emitted by the light source 12 of the small end 11 of the lens 121 enters the condenser lens 12, light incident to the convex spherical surface 121b converge to the big end of the end face 122a 122 is incident to the light source receiving light chamber sidewall 121a 121c by total reflection to the outer periphery 12a of the end surface of the large end 122 122a. 具体地,所述光源11采用3W高功率发光二极管。 Specifically, the light source 11 uses a high power light emitting diodes 3W. 当然,在其他实施方式中,所述光源11也可以采用钨丝灯、荧光灯或卤素灯。 Of course, in other embodiments, the light source 11 may be employed tungsten, fluorescent or halogen lamps.

[0028] 所述驱动电路40电连接于所述电源30及所述光源11之间。 40 is electrically [0028] connected to the drive circuit 30 and the power source between the light source 11. 本实施方式中,所述电源30采用电池。 In the present embodiment, the power supply 30 employs a battery.

[0029] 请一并参阅图4及图5,本发明提供的所述灯具100光照集中,聚光性好,光损失少。 [0029] Referring to FIG. 4 and FIG. 5, the present invention provides a centralized lighting the lamp 100, a condenser, and less light loss.

[0030] 本发明所提供的聚光透镜通过旋转抛物面的外周全反射光线,及通过所述凸球面汇聚光线,从而使得光线汇聚路径短,减小灯具尺寸,降低成本。 [0030] The condenser lens of the present invention provides a comprehensive light reflected by a paraboloid of revolution, the light converged by the convex and spherical surface, so that the light converging short path, the lamp is reduced size and cost.

[0031] 另外,由于全反射及凸球面聚光,所以光利用率高,减小光损耗。 [0031] Further, since the convex spherical and totally condensed light utilization efficiency is high, to reduce the optical loss.

[0032] 以上所述是本发明的优选实施方式,应当指出,对于本技术领域的普通技术人员来说,在不脱离本发明原理的前提下,还可以做出若干改进和润饰,这些改进和润饰也视为本发明的保护范围。 [0032] The above embodiment is a preferred embodiment of the present invention, it should be noted that those of ordinary skill in the art who, without departing from the principles of the present invention, can make various improvements and modifications, such modifications and retouch protection scope of the present invention.

Claims (10)

1.一种聚光透镜,所述聚光透镜是以光轴为回转轴的旋转抛物面回转体,所述聚光透镜的外周为旋转抛物面,所述聚光透镜小端开设光源容纳腔,所述光源容纳腔为半球形凹槽,所述光源容纳腔的圆心位于所述外周的焦点,所述光源容纳腔的球顶成型一凸球面,所述凸球面的圆心位于所述聚光透镜的光轴上,经由所述外周的焦点入射至所述凸球面的光线汇聚至所述大端的端面,经由所述外周的焦点入射至所述光源容纳腔侧壁的光线由所述外周全反射至所述大端的端面。 A condenser lens, the optical axis of the condenser lens is a rotary axis of a paraboloid of revolution rotors, an outer periphery of the condensing lens is a paraboloid of revolution, a light source condenser lens receiving chamber defines a small end, the said light receiving cavity of semi-spherical recess, said light source located at the focal center of the receiving chamber of the outer periphery of the light source chamber receiving a convex spherical dome forming the convex spherical surface centered on the center of the condenser lens on the optical axis, the focus of the incident via the outer periphery of the convex spherical surface of the light to converge to the big end of the end surface, incident on the outer periphery of the focus via the chamber side walls by the outer light receiving light reflected to the comprehensive the end surface of the large end.
2.根据权利要求1所述的聚光透镜,其特征在于,所述大端的端面为平面。 The converging lens according to claim 1, wherein said end surface of the big end plane.
3.根据权利要求1所述的聚光透镜,其特征在于,所述光源容纳腔的半径为4毫米。 3. The converging lens according to claim 1, characterized in that the light source accommodating chamber radius of 4 mm.
4.根据权利要求1所述的聚光透镜,其特征在于,所述外周的焦距为2.5毫米。 Converging lens according to claim 1, wherein an outer periphery of said focal length of 2.5 mm.
5.根据权利要求3或4所述的聚光透镜,其特征在于,所述凸球面的半径是3.5毫米。 Converging lens according to claim 3 or claim 4, wherein the convex spherical surface of radius 3.5 mm.
6.根据权利要求1所述的聚光透镜,其特征在于,所述聚光透镜采用光学级透明塑胶材料制成。 Converging lens according to claim 1, wherein said condenser lens of transparent optical grade plastic material.
7.一种灯具,其包括灯头组件,所述灯头组件包括光源及聚光透镜,所述聚光透镜是以光轴为回转轴的旋转抛物面回转体,所述聚光透镜的外周为旋转抛物面,所述聚光透镜小端开设光源容纳腔,所述光源容纳腔为半球形凹槽,所述光源容纳腔的圆心位于所述外周的焦点,所述光源容纳腔的球顶成型一凸球面,所述凸球面的圆心位于所述聚光透镜的光轴上,所述光源收容于所述光源容纳腔内,且位于所述外周的焦点,所述光源的光轴重合于所述聚光透镜的光轴,所述光源发射的光线由所述透镜小端射入所述聚光透镜,入射至所述凸球面的光线汇聚至所述大端的端面,入射至所述光源容纳腔侧壁的光线由所述外周全反射至所述大端的端面。 A lamp, comprising a lamp assembly, the lamp assembly comprising a light source and a condenser lens, said condenser lens is the optical axis of a paraboloid of revolution rotary axis rotors, an outer periphery of the condenser lens is a paraboloid of revolution , the condensing lens small end defines a light source chamber receiving the light source chamber receiving a hemispherical recess, said light source located at the focal center of the receiving chamber of the outer periphery of the light source chamber receiving a convex spherical dome shaped on the convex spherical surface centered on the center axis of the condenser lens, the light source received in the receiving chamber, and the outer periphery in focus, the light source coincides with the optical axis of the condensing the optical axis of the lens, the light rays emitted by the source lens is incident on the small end of the condenser lens, the light incident to the convex spherical surface end face converging to the big end, receiving the light incident on the chamber sidewall the light reflected by the comprehensive to the outer end surface of the large end.
8.根据权利要求7所述的灯具,其特征在于,所述光源采用发光二极管。 8. The lamp of claim 7, wherein said light source is a light emitting diode.
9.根据权利要求8所述的灯具,其特征在于,所述灯具包括壳体,所述壳体呈筒状,所述壳体采用高强度铝型材制成,所述灯头组件设置于所述壳体一端。 9. The lamp according to claim 8, characterized in that the lamp comprises a housing, said housing has a cylindrical shape, the housing is made of high-strength aluminum, the cap assembly disposed on the end of the housing.
10.根据权利要求9所述的灯具,其特征在于,所述灯具包括电源及驱动电路,所述电源及驱动电路均收容于所述壳体内,所述驱动电路电连接于所述电源及所述光源之间。 10. The lamp according to claim 9, characterized in that the lamp driver circuit comprises a power supply and the power supply and the drive circuit are accommodated in said housing, said driving circuit is electrically connected to the power source and the between said light source.
CN201310469782.9A 2013-10-10 2013-10-10 Light condensing lens and lamp provided with same CN104565839A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201310469782.9A CN104565839A (en) 2013-10-10 2013-10-10 Light condensing lens and lamp provided with same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201310469782.9A CN104565839A (en) 2013-10-10 2013-10-10 Light condensing lens and lamp provided with same

Publications (1)

Publication Number Publication Date
CN104565839A true CN104565839A (en) 2015-04-29

Family

ID=53082560

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201310469782.9A CN104565839A (en) 2013-10-10 2013-10-10 Light condensing lens and lamp provided with same

Country Status (1)

Country Link
CN (1) CN104565839A (en)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070263390A1 (en) * 2006-05-05 2007-11-15 Andreas Timinger Led Illumination Module
US20090052190A1 (en) * 2003-12-10 2009-02-26 Toshio Shimada Indicator lamp having a converging lens
CN202955644U (en) * 2012-11-30 2013-05-29 东莞钜升塑胶电子制品有限公司 LED (Light Emitting Diode) bead-face cup-shaped condensing lens
CN103175096A (en) * 2011-12-20 2013-06-26 海洋王照明科技股份有限公司 Lens and lamp using lens

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20090052190A1 (en) * 2003-12-10 2009-02-26 Toshio Shimada Indicator lamp having a converging lens
US20070263390A1 (en) * 2006-05-05 2007-11-15 Andreas Timinger Led Illumination Module
CN103175096A (en) * 2011-12-20 2013-06-26 海洋王照明科技股份有限公司 Lens and lamp using lens
CN202955644U (en) * 2012-11-30 2013-05-29 东莞钜升塑胶电子制品有限公司 LED (Light Emitting Diode) bead-face cup-shaped condensing lens

Similar Documents

Publication Publication Date Title
US7055991B2 (en) Low-power high-intensity lighting apparatus
US20120182743A1 (en) Light-emitting diode lampshade
JP3163068U (en) Illumination lamp
CN201652173U (en) High-power LED secondary optical lens with adjustable beam angle
US20060158895A1 (en) LED flashlight
CA2418851C (en) Led flashlight
CN101771111B (en) Light emitting diode unit
CN100549505C (en) LED illumination module
CN1662773A (en) Lighting device with adjustable spotlight beam
CN102297382B (en) LED (light emitting diode) lens
US8272768B2 (en) Light emitting device
CN1662770A (en) LED lighting device
WO2009063655A1 (en) Light emission device
US7566141B2 (en) Cassegrain optical configuration to expand high intensity LED flashlight to larger diameter lower intensity beam
DK2573452T3 (en) Improved optical package and the light with the optical packet
CN103225785B (en) An illumination lens and a full range of the lens apparatus having
CN102374423B (en) The lighting device
CN101968166A (en) LED module
CN102900970A (en) The light source module
CN101900292B (en) Condenser lens and lamp using same
JP2012174664A (en) Light emitting device
JP5150335B2 (en) The light guide lens
CN201731297U (en) LED light-emitting module
CN201568778U (en) Novel illuminating light fitting
CN201819153U (en) Multifunctional optical set

Legal Events

Date Code Title Description
C06 Publication
C10 Entry into substantive examination