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CN102788260A - Optical mechanical module and light emitting diode (LED) lamp - Google Patents

Optical mechanical module and light emitting diode (LED) lamp Download PDF

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Publication number
CN102788260A
CN102788260A CN 201110130192 CN201110130192A CN102788260A CN 102788260 A CN102788260 A CN 102788260A CN 201110130192 CN201110130192 CN 201110130192 CN 201110130192 A CN201110130192 A CN 201110130192A CN 102788260 A CN102788260 A CN 102788260A
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light
led
lamp
mechanical
module
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CN 201110130192
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Chinese (zh)
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欧春亨
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泰金宝电通股份有限公司
金宝电子工业股份有限公司
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Abstract

The invention discloses an optical mechanical module and a light emitting diode (LED) lamp. The LED lamp comprises a lamp holder, the optical mechanical module, and a fixing snap ring. The lamp holder is provided with a first holding groove, and the optical mechanical module is configured in the first holding groove. The optical mechanical module comprises a main body, an LED plate, a light cup, and a lens, wherein the main body is provided with a second holding groove, the LED plate is configured in the second holding groove. The LED plate comprises a circuit board and a plurality of light emitting diodes, wherein the light emitting diodes are arranged on the circuit board. The light cup is configured in the second holding groove and located on the LED plate, wherein the light cup is provided with a plurality of open holes, the light emitting diodes correspondingly pass through the open holes so as to expose in the light cup, and the lens is arranged at the light cup. The fixing snap ring is buckled on the lamp holder so as to fix the optical mechanical module in the lamp holder.

Description

光机模组及发光二极管灯具 Ray LED lamp module and

技术领域 FIELD

[0001] 本发明涉及一种光机模组及灯具,尤其涉及一种可提升流明数的光机模组及发光ニ极管灯具。 [0001] The present invention relates to an optical module and lighting unit, in particular, relates to a number of lumens lifting machine module and a light emitting diode lamp ni.

背景技术 Background technique

[0002] 发光二极管(Light-Emitting Diode)属于半导体元件,其发光晶片的材料主要使用III-V族化学元素的化合物,例如磷化镓(GaP)或神化镓(GaAs),而其发光原理是将电能转换为光能。 [0002] The light-emitting diode (Light-Emitting Diode) is a semiconductor element, the material of the light-emitting chip group III-V compound chemical elements are mainly used, for example, gallium phosphide (GaP), or gallium deification (GaAs), while the light-emitting principle is converts electrical energy into light energy. 详细而言,发光二极管藉由对化合物半导体施加电流,以通过电子与空穴的结合将过剩的能量以光的形式释出。 Specifically, the light emitting diode by applying a current to the compound semiconductor, in the form of light released by the combination of electrons and holes the excess energy. 由于发光二极管的发光现象不是藉由加热发光或放电发光,因此发光二极管的寿命长达十万小时以上。 Since the light emitting phenomenon of the light emitting diode is not illuminated or heated by discharge light, the light-emitting diode lifetime is up to 100,000 hours. 此外,发光二极管还具有反应速度快、体积小、省电、低污染、高可靠度、适合量产等优点,所以发光二极管应用的领域十分广泛,如大型看板、交通信号灯、手机、扫描仪、传真机的光源以及发光二极管灯具等。 Further, the light emitting diode also has a fast response speed, small size, power-saving, low pollution, high reliability, suitable for mass production, etc., so that the application field is very wide light-emitting diodes, such as large billboards, traffic lights, cell phones, scanners, a facsimile machine, and a light emitting diode lamp and the like.

[0003] 然而,在目前的发光二极管灯具的设计中,设置于其内的发光二极管所发出的光,可以通过透镜加以聚集以使光线集中于特定的范围,但是仍然有些光损失,导致于光的利用率仍然有限,因此目前无不亟思于如何有效地提升发光二极管的亮度。 [0003] However, in the present LED lamp design, the light emitting diode disposed therein issued, can be gathered by the lens so that the light concentrated in a specific range, but still some loss of light, resulting in the light utilization is still limited, so far all Jisi to how to effectively enhance the brightness of the light emitting diode.

发明内容 SUMMARY

[0004] 本发明提供一种可提升流明数的光机模组。 [0004] The present invention provides a number of lumens lifting machine module.

[0005] 本发明提供ー种可提升整体亮度的发光二极管灯具。 [0005] The present invention provides a light emitting diode lamp ー species may improve the overall brightness.

[0006] 为达上述或是其他目的,本发明提出一种光机模组,包括一主体、ー发光二极管板、一光杯以及一透镜,其中主体具有一容置槽,而发光二极管板配置于容置槽内。 [0006] To achieve the above or other objects, the present invention provides an optical module unit, comprising a main body, a light emitting diode ー plate, an optical glass and a lens, wherein the body has a receiving groove, and a light emitting diode disposed plate in the receiving groove. 此发光ニ极管板包括ー电路板以及多个发光二极管,其中发光二极管设置于电路板上。 This plate comprises a light emitting diode ni ー circuit board and a plurality of light emitting diodes, wherein the light emitting diode disposed on the circuit board. 光杯配置于容置槽内,并位于发光二极管板上,其中光杯具有多个开孔,且发光二极管对应穿过开孔以暴露于光杯内,而透镜配置于光杯。 Optical cup disposed in the receiving groove, and the light emitting diode board, wherein the optical glass having a plurality of apertures and through an opening corresponding to the light emitting diode to the light exposure to the cup, and the lens disposed in the optical cup.

[0007] 在本发明的光机模组的一实施例中,上述的光杯包括一底部以及ー侧壁,其中开孔位于底部,而侧壁环绕底部,且侧壁承靠于主体的容置槽的ー槽壁。 [0007] In one embodiment of the optical module of the machine of the present invention, the above-described optical cup comprises a bottom and a sidewall ー, wherein the opening at the bottom, and the wall surrounding the bottom and side walls bearing against the container bodyー groove wall of the groove. 底部及侧壁可一体成型为光杯。 The bottom and side walls may be integrally molded into the optical cup.

[0008] 在本发明的光机模组的一实施例中,上述的光杯的材料为高反射率塑胶材料。 [0008] In one embodiment of the optical module of the machine of the embodiment of the present invention, the above-described optical cup of high reflectance material is a plastic material.

[0009] 在本发明的光机模组的一实施例中,上述的光杯的底部及侧壁的内表面可涂布有 [0009] In one embodiment of the optical module of the machine of the present invention, the inner surface of the bottom and the sidewall of the cup may be coated with light

一高反射率材料层或金属层。 A high-reflectance metal layer or layers.

[0010] 为达上述或是其他目的,本发明另提出ー种发光二极管灯具,包括一灯座、一光机模组以及一固定扣环。 [0010] To achieve the above or other objects, the present invention further provides ー LED lamp, comprising a lamp holder, an optical module and a machine anchorage. 灯座具有一第一容置槽,而光机模组配置于第一容置槽内。 A socket having a first receiving slot, and the optical module is arranged to machine a first receiving groove. 光机模组包括一主体、ー发光二极管板、一光杯以及一透镜,其中主体具有一第二容置槽,而发光ニ极管板配置于第二容置槽内。 Ray machine module comprises a main body, a light emitting diode ー plate, an optical glass and a lens, wherein the body has a second receiving groove, and a light emitting diode Ni plate is disposed in the second receiving groove. 此发光二极管板包括ー电路板以及多个发光二极管,其中发光二极管设置于电路板上。 The LED panel comprising a plurality ー circuit board and a light emitting diode, wherein light emitting diodes disposed on a circuit board. 光杯配置于第二容置槽内,并位于发光二极管板上,其中光杯具有多个开孔,且发光二极管对应穿过开孔以暴露于光杯内,而透镜配置于光杯。 Optical cup disposed in the second receiving groove, and the light emitting diode board, wherein the optical glass having a plurality of apertures and through an opening corresponding to the light emitting diode to the light exposure to the cup, and the lens disposed in the optical cup. 固定扣环扣合于灯座,以将光机模组固定于灯座内。 Anchorage engaging the socket to the optical unit is fixed to the lampholder module.

[0011] 在本发明的发光二极管灯具的一实施例中,上述的光杯包括一底部以及ー侧壁,其中开孔位于底部,而侧壁环绕底部,且侧壁承靠于主体的容置槽的ー槽壁。 [0011] In one embodiment of the LED lamp according to the present invention, the above-described optical cup comprises a bottom and a sidewall ー, wherein the opening at the bottom, and the wall surrounding the bottom and side walls bearing against the accommodating bodyー groove wall of the groove. 底部及侧壁可一体成型为光杯。 The bottom and side walls may be integrally molded into the optical cup.

[0012] 在本发明的发光二极管灯具的一实施例中,上述的光杯的材料为高反射率塑胶材料。 [0012] In one embodiment of the LED lamp according to the present invention, the above-described optical cup of high reflectance material is a plastic material.

[0013] 在本发明的发光二极管灯具的一实施例中,上述的光杯的底部及侧壁的内表面涂布有一高反射率材料层或金属层。 [0013] In one embodiment of the LED lamp according to the present invention, the inner surface is coated with a bottom and a side wall of the cup with a light layer of material or a highly reflective metallic layer.

[0014] 基于上述,于本发明的光机模组及使用此光机模组的发光二极管灯具中,光杯的使用可以将透镜无法收集到发光二极管发出的光再次的收集并作导正,以增加光机模组及使用此光机模组的发光二极管灯具的发光流明数。 [0014] The, in this light emitting diode lamp module unit and the optical module using the machine according to the present invention, the light may be used in the lens cup unable to collect light emitted from the light emitting diode and collected again as the positive guide based, to increase light unit using a light emitting module and the number of lumens of light emitting diode lamp of this machine module.

[0015] 为让本发明的上述特征和优点能更明显易懂,下文特举实施例,并配合附图作详细说明如下。 [0015] In order to make the above features and advantages of the invention more comprehensible, several embodiments accompanied with figures are described in detail below.

附图说明 BRIEF DESCRIPTION

[0016] 图I为本发明一实施例的光机模组的分解不意图。 [0016] Figure I of the present split optical machine module according to an embodiment of the invention is not intended.

[0017] 图2为图I的光机模组组装在一起的剖面图。 [0017] FIG. 2 is a cross-sectional view of an optical module assembly machine of FIG. I together.

[0018] 图3为使用图I的光机模组的发光二极管灯具的分解示意图。 [0018] FIG. 3 is an exploded schematic view of the LED lamp of FIG. I use an optical module unit.

[0019] 附图标记: [0019] reference numerals:

[0020] 100 :光机模组 [0020] 100: optical machine module

[0021] 110:主体 [0021] 110: main body

[0022] 112:第二容置槽 [0022] 112: second receiving groove

[0023] 114:槽壁 [0023] 114: groove wall

[0024] 120 :发光二极管板 [0024] 120: LED board

[0025] 122:电路板 [0025] 122: a circuit board

[0026] 124 :发光二极管 [0026] 124: a light emitting diode

[0027] 130 :光杯 [0027] 130: optical cup

[0028] 132 :开孔 [0028] 132: Hole

[0029] 134 :底部 [0029] 134: bottom

[0030] 136 :侧壁 [0030] 136: sidewall

[0031] 140 :透镜 [0031] 140: lens

[0032] 142 :本体 [0032] 142: main body

[0033] 144 :罩体 [0033] 144: shell

[0034] 200:发光二极管灯具 [0034] 200: LED lamp

[0035] 210 :灯座 [0035] 210: socket

[0036] 212 :第一容置槽 [0036] 212: a first receiving groove

[0037] 220:固定扣环 [0037] 220: Anchor Point

具体实施方式[0038] 图I为本发明一实施例的光机模组的分解示意图、图2为图I的光机模组组装在一起的剖面图,而图3为使用图I的光机模组的发光二极管灯具的分解示意图。 DETAILED DESCRIPTION [0038] FIG. I present an exploded view of an optical module unit according to an embodiment of the invention, FIG 2 is a cross-sectional view of an optical machine module I assembled together, and FIG 3 is a ray I an exploded view of the LED lamp module. 请同时參考图I、图2及图3,发光二极管灯具200包括一灯座210、一光机模组100以及ー固定扣环220。 Please refer to FIG. I, 2 and 3, the LED lamp 200 includes a lamp holder 210, an optical engine 100 and the module 220 ー anchorage. 灯座210具有一第一容置槽212,而光机模组100配置于第一容置槽212内。 A socket 210 having a first receiving groove 212, and the optical machine module 100 is disposed in the first receiving groove 212. 光机模组100包括一主体110、ー发光二极管板120、一光杯130以及一透镜140,其中主体110具有一第二容置槽112,而发光二极管板120配置于第二容置槽112内。 Ray machine module 100 includes a body 110, a light emitting diode ー plate 120, an optical cup 130 and a lens 140, wherein the second body 110 having a cavity 112, and the LED board 120 is disposed in the second receiving groove 112 Inside. 此发光二极管板120包括一电路板122以及多个发光二极管124,其中发光二极管124设置于电路板122上。 The LED board 120 includes a circuit board 122 and a plurality of light emitting diode 124, wherein the light emitting diode 124 disposed on the circuit board 122. 光杯130配置于第二容置槽112内,并位于发光二极管板120上,其中光杯130具有多个开孔132,且发光二极管124对应穿过开孔132以暴露于光杯130内,而透镜140配置于光杯130。 Optical cup 130 disposed in the second receiving groove 112, and a light emitting diode board 120, wherein the optical cup 130 having a plurality of apertures 132, and the light emitting diode 124 through the opening 132 corresponds to the light exposure to the cup 130, 140 and the lens 130 disposed in the optical cup. 固定扣环220承靠在光机模组100的透镜140上,且固定扣环220暴露出透镜本体142,并扣合于灯座210,以将光机模组100固定于灯座210内 Snap ring 220 bears against the fixed optical unit 100 of the lens module 140, and the retainer ring 220 to expose the lens body 142 and engaged with the socket 210 to the light unit 100 is fixed to the lampholder module 210

[0039] 承上述,本实施例的灯座210的材质为金属,且其还可在第一容置槽212的外围设置有多个鳍片(未标示),以使发光二极管灯具200具有良好的散热功效。 [0039] Bearing the above, the present embodiment the socket material 210 is made of metal, and it may also be provided with a plurality of fins (not shown), so that the LED lamp in the periphery of the first receiving groove 212 good 200 the cooling effect. 详细而言,灯座210设置有用以散热的鳍片,可以让积聚在灯座210内的热有效地散逸,提升散热效果,以使发光二极管灯具200保有极佳的照明亮度。 Specifically, the socket 210 is useful to set the cooling fins, so that heat can be accumulated in the socket 210 is efficiently dissipated, enhance the cooling effect, so that the LED lamp 200 to maintain excellent illumination.

[0040] 另外,光杯130包括一底部134以及ー侧壁136,其中开孔132位于底部134,而侧壁136环绕底部134设置,且当光杯130置放于第二容置槽112时,侧壁136承靠于主体110的第二容置槽112的ー槽壁114。 [0040] Further, optical cup 130 includes a bottom 134 and side walls 136 ー, wherein the openings 132 at the bottom 134, side walls 136 and 134 disposed around the bottom portion, and when the optical cup 130 is placed in the second receiving groove 112 , ー groove wall 136 bears against the side wall 110 of the main body 112 of the second receiving groove 114. 光杯130的成型,可以依照需求而决定,例如底部134及侧壁136 —体成型为光杯130,或是经由组装底部134及侧壁136的方式成型光杯130。 Forming optical cup 130, may be determined in accordance with requirements, such as the bottom and the sidewall 134 136-- shaping optical cup 130, or 130 via optical cup shaped manner at the bottom of the assembly 134 and the sidewall 136.

[0041] 承上述,透镜140包括一本体142以及多个呈圆锥状的罩体144,其中罩体144会罩覆在发光二极管124上,且藉由罩体144的形状可以调整发光二极管124所发出的光的路径后,光会从本体142射出。 [0041] Bearing the above, the lens 140 includes a body 142 and a plurality of conical hood 144, which cover 144 will cover overlying the light emitting diode 124, and the shape of the shell 144 by the light emitting diode 124 can be adjusted the path of the light emitted, light emitted from the body 142 will be. [0042] 在一般的发光二极管灯具中的设计,虽然会有透镜罩住发光二极管,但是即使发光二极管大抵可归类为具指向性的光源,其所发出的光在受到透镜的形状及材料的影响,有些光在穿过透镜后并无法如预期的射出透镜之外。 [0042] In the general design of the LED lamp, although there will be a lens covering the light emitting diode, but probably even if the light emitting diode may be classified as having a directional light source, light emitted by its shape and material of the lens Effect of some light after passing through the lens and can not be expected as emitted outside the lens. 換言之,发光二极管发出的光并无法完全地有效利用,意即,仍是有光损失。 In other words, the light emitted from the light emitting diode and can not effectively use completely, which means, light is still lost. 特别的是,本实施例的光机模组100中有光杯130的设置,其中光杯130的材料为高反射率塑胶材料,或是也可以在光杯130的底部134及侧壁136的内表面(即朝向透镜140的表面)涂布有一高反射率材料层或金属层,搭配发光ニ极管124是穿过光杯130的底部134的开孔132后位于光杯130内(即底部134及侧壁136围出的空间中),使得光杯130可以将发光二极管124穿过透镜140后所发射出来且在主体110的第二容置槽112空间内漫射的光由光杯130作反射,再从透镜140射出。 In particular, the cup is provided an optical module of the present embodiment the optical unit 100 of embodiment 130, wherein the material of the optical cup 130 is highly reflective plastic material, or may be at the bottom 130 of optical cup 134 and sidewalls 136 the inner surface (i.e., toward the surface of the lens 140) is coated with a highly reflective material or metal layers, with a light emitting diode 124 is ni the light passing through the bottom opening 130 of the cup 134 after the cup 132 is located within the light 130 (i.e., the bottom the space surrounded by side walls 136 and 134 illustrated in), so that the light emitting diode 130 may cup 124 after passing through the lens 140 and emitted diffusion within the second accommodating space of the body 110 of the groove 112 of the cup 130 by the light for reflection, and then emitted from the lens 140. 相较于一般的发光二极管的设计,本实施例的发光二极管灯具200的流明数有效的增加,亦提升了发光二极管灯具200的整体亮度。 Compared to the general design of the light emitting diode, LED lamp lumens 200 of the present embodiment is effective in increasing, also improve the overall brightness of the LED lamp 200.

[0043] 表I为本实施例的光机模组及非本实施例的光机模组的流明数比较表。 [0043] Table I of the present embodiment of the optical module unit and a non-light machine module according to the present embodiment is a comparison table lumens embodiment.

[0044] [0044]

Figure CN102788260AD00061

[0045]表 I. [0045] Table I.

[0046] 由表I可知,设置有光杯130的光机模组IOO的流明数相较于未设置有光杯130的光机模组的流明数平均提升了10个百分比左右。 [0046] As apparent from Table I, the cup is provided a light ray 130 of the IOO module compared to the number of lumens, the lumen is not provided cup-ray optical module 130 of the average increase of about 10 percent. 換言之,光杯130的设置有效地提升了光机模组IOO的流明数,因此可更进而提升使用此光机模组IOO的发光二极管灯具200的亮度。 In other words, optical cup 130 is provided to effectively improve the machine module IOO number of lumens, and thus may be used to enhance further more the brightness of this light IOO machine module 200 of the LED lamp.

[0047] 综上所述,于本发明的光机模组及使用此光机模组的发光二极管灯具中,具有反射效果的光杯的设置可以有效地收集及利用自透镜穿过后但未以预期角度射出透镜之外的光线,因此可以提升光机模组的流明数,进而增进使用此光机模组的发光二极管灯具的亮度。 Optical cup is provided [0047] In summary, in the light of this LED lamp module unit and the optical module using the machine according to the present invention, having a reflective effect can be efficiently collected since the lens and use but not to pass through expected angle of light emitted outside of the lens, it is possible to enhance the number of lumens machine module, and further enhance the brightness of the LED lamp using this ray machine module.

[0048] 虽然本发明已以实施例掲示如上,然其并非用以限定本发明,任何所属技术领域中的普通技术人员,当可作些许更动与润饰,而不脱离本发明的精神和范围。 [0048] While the invention has been illustrated above in Example kei, they are not intended to limit the present invention, any person skilled in the art of ordinary skill in the art, may make various modifications and variations, without departing from the spirit and scope of the invention .

Claims (10)

  1. 1. 一种光机模组,包括: 一主体,具有一容置槽; ー发光二极管板,配置于该容置槽内,包括ー电路板以及多个发光二极管,其中该些发光二极管设置于该电路板上; 一光杯,配置于该容置槽内,并位于该发光二极管板上,其中该光杯具有多个开孔,且该些发光二极管对应穿过该些开孔,以暴露于该光杯内;以及一透镜,配置于该光杯。 1. An optical module unit, comprising: a body having a receiving groove; ー LED board disposed in the receiving groove, including ー circuit board and a plurality of LEDs, wherein the plurality of light emitting diodes disposed on the circuit board; an optical glass, disposed in the receiving groove, and the LED board is located, wherein the optical glass having a plurality of openings, and the plurality of light emitting diodes corresponding to the plurality of through openings to expose within the optical cup; and a lens disposed on the optical cup.
  2. 2.根据权利要求I所述的光机模组,其中该光杯包括: 一底部,且该些开孔位于该底部;以及ー侧壁,环绕该底部,且该侧壁承靠于该主体的该容置槽的ー槽壁。 The optical machine module I according to claim, wherein the optical glass comprises: a bottom portion, and the openings are located at the base; and ー sidewall surrounding the base and the sidewall of the body leans against the receiving groove ー groove wall.
  3. 3.根据权利要求2所述的光机模组,其中该底部及该侧壁一体成型为该光杯。 Ray machine according to claim 2 of the module, wherein the base and the sidewall is integrally formed for the optical cup.
  4. 4.根据权利要求I所述的光机模组,其中该光杯的材料为高反射率塑胶材料。 The optical machine module I according to claim, wherein the material of the optical cup of plastic material high reflectance.
  5. 5.根据权利要求2所述的光机模组,其中该光杯的该底部及该侧壁的内表面涂布有一高反射率材料层或金属层。 Ray machine according to claim 2 of the module, wherein the bottom of the cup and the light applied to the surface of the inner sidewall has a high reflectivity material or metal layer.
  6. 6. ー种发光二极管灯具,包括: 一灯座,具有一第一容置槽; 一光机模组,配置于该第一容置槽内,包括: 一主体,具有一第二容置槽; ー发光二极管板,配置于该第二容置槽内,包括一电路板以及多个发光二极管,其中该些发光二极管设置于该电路板上; 一光杯,配置于该第二容置槽内,并位于该发光二极管板上, 其中该光杯具有多个开孔,且该些发光二极管对应穿过该些开孔, 以暴露于该光杯内; 一透镜,配置于该光杯;以及一固定扣环,扣合于该灯座,以将该光机模组固定于该灯座内。 6. ー LED lamp, comprising: a socket having a first receiving groove; an optical machine module disposed in the first receiving groove, comprising: a body having a second accommodating groove ; ー LED board, disposed in the second receiving groove, and a circuit board comprising a plurality of light emitting diodes, wherein the plurality of light emitting diodes disposed on the circuit board; a light cup, disposed in the second receiving groove inside, and the light emitting diode positioned plate, wherein the optical glass having a plurality of openings, and the plurality of light emitting diodes corresponding to the plurality of through openings to be exposed to light within the cup; a lens disposed on the optical glass; and a retainer ring, engaging in the socket to the optical module is fixed in the machine holder.
  7. 7.根据权利要求6所述的发光二极管灯具,其中该光杯包括: 一底部,且该些开孔位于该底部;以及ー侧壁,环绕该底部,且该侧壁承靠于该主体的该第二容置槽的ー槽壁。 The light emitting diode lamp according to claim 6, wherein the optical glass comprises: a bottom portion, and the openings are located at the base; and ー sidewall surrounding the base and the sidewall of the body leans against the second receiving groove ー groove wall.
  8. 8.根据权利要求7所述的发光二极管灯具,其中该底部及该侧壁一体成型为该光杯。 8. The light emitting diode lamp as claimed in claim 7, wherein the base and the sidewall is integrally formed for the optical cup.
  9. 9.根据权利要求6所述的发光二极管灯具,其中该光杯的材料为高反射率塑胶材料。 9. The light emitting diode lamp according to claim 6, wherein the material of the optical cup of plastic material high reflectance.
  10. 10.根据权利要求7所述的发光二极管灯具,其中该光杯的该底部及该侧壁的内表面涂布有一高反射率材料层或金属层。 10. The light emitting diode lamp as claimed in claim 7, wherein the bottom of the cup and the light applied to the surface of the inner sidewall has a high reflectivity material or metal layer.
CN 201110130192 2011-05-19 2011-05-19 Optical mechanical module and light emitting diode (LED) lamp CN102788260A (en)

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JP2005228532A (en) * 2004-02-10 2005-08-25 Seiwa Electric Mfg Co Ltd Lens integrated led lamp
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