CN101809365A - 具有散热光学部件的led灯 - Google Patents
具有散热光学部件的led灯 Download PDFInfo
- Publication number
- CN101809365A CN101809365A CN200880109297A CN200880109297A CN101809365A CN 101809365 A CN101809365 A CN 101809365A CN 200880109297 A CN200880109297 A CN 200880109297A CN 200880109297 A CN200880109297 A CN 200880109297A CN 101809365 A CN101809365 A CN 101809365A
- Authority
- CN
- China
- Prior art keywords
- led
- optics
- lamp
- bearing
- pedestal
- Prior art date
- Legal status (The legal status 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 status listed.)
- Granted
Links
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V3/00—Globes; Bowls; Cover glasses
- F21V3/02—Globes; Bowls; Cover glasses characterised by the shape
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21K—NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
- F21K9/00—Light sources using semiconductor devices as light-generating elements, e.g. using light-emitting diodes [LED] or lasers
- F21K9/20—Light sources comprising attachment means
- F21K9/23—Retrofit light sources for lighting devices with a single fitting for each light source, e.g. for substitution of incandescent lamps with bayonet or threaded fittings
- F21K9/232—Retrofit light sources for lighting devices with a single fitting for each light source, e.g. for substitution of incandescent lamps with bayonet or threaded fittings specially adapted for generating an essentially omnidirectional light distribution, e.g. with a glass bulb
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V17/00—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
- F21V17/06—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages the fastening being onto or by the lampholder
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
- F21V29/50—Cooling arrangements
- F21V29/502—Cooling arrangements characterised by the adaptation for cooling of specific components
- F21V29/506—Cooling arrangements characterised by the adaptation for cooling of specific components of globes, bowls or cover glasses
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
- F21V29/85—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems characterised by the material
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V5/00—Refractors for light sources
- F21V5/04—Refractors for light sources of lens shape
- F21V5/045—Refractors for light sources of lens shape the lens having discontinuous faces, e.g. Fresnel lenses
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V5/00—Refractors for light sources
- F21V5/10—Refractors for light sources comprising photoluminescent material
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21K—NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
- F21K9/00—Light sources using semiconductor devices as light-generating elements, e.g. using light-emitting diodes [LED] or lasers
- F21K9/60—Optical arrangements integrated in the light source, e.g. for improving the colour rendering index or the light extraction
- F21K9/64—Optical arrangements integrated in the light source, e.g. for improving the colour rendering index or the light extraction using wavelength conversion means distinct or spaced from the light-generating element, e.g. a remote phosphor layer
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V13/00—Producing particular characteristics or distribution of the light emitted by means of a combination of elements specified in two or more of main groups F21V1/00 - F21V11/00
- F21V13/12—Combinations of only three kinds of elements
- F21V13/14—Combinations of only three kinds of elements the elements being filters or photoluminescent elements, reflectors and refractors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V3/00—Globes; Bowls; Cover glasses
- F21V3/04—Globes; Bowls; Cover glasses characterised by materials, surface treatments or coatings
- F21V3/049—Patterns or structured surfaces for diffusing light, e.g. frosted surfaces
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V3/00—Globes; Bowls; Cover glasses
- F21V3/04—Globes; Bowls; Cover glasses characterised by materials, surface treatments or coatings
- F21V3/10—Globes; Bowls; Cover glasses characterised by materials, surface treatments or coatings characterised by coatings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V7/00—Reflectors for light sources
- F21V7/0008—Reflectors for light sources providing for indirect lighting
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2115/00—Light-generating elements of semiconductor light sources
- F21Y2115/10—Light-emitting diodes [LED]
Abstract
可制造具有散热光学部件的LED灯。该灯包括具有用于接收电流的第一电接触和第二电接触的基座。在导热支座上安装至少一个LED;所述支座提供用于LED的电连接并且提供从LED至光学部件的热量的热传导。LED支座安装在基座中并且通过第一电接触连接至电流。透光散热的光学部件具有外壁和限定腔的内壁,LED位于该腔中。光学部件与LED支座热接触并且与基座机械连接。该组合式结构能够快速制造,同时允许多种变化。
Description
技术领域
本发明涉及电灯,具体涉及具有LED光源的电灯。更具体地,本发明涉及具有LED光源和散热光学部件的电灯。
背景技术
设计用于取代标准白炽灯的高效LED灯正迅速进入商业化生产。一个基本问题是使LED散热以增加流明输出和保护LED的潜在极长寿命。重金属散热器一直使用昂贵且有时难以使用的空气冷却结构。这些散热器不适用于常规用途,并且在材料和制造费用方面进一步增加了灯的成本。LED灯经常是手工组装的,这限制了它们合理的市场容量。
发明内容
LED灯可以制造成具有散热光学部件。该组合件包括基座,所述基座具有用于接收电流的第一电接触和第二电接触。在导热LED支座上安装至少一个LED。LED支座具有用于所述至少一个LED的至少一个电连接并且提供对来自所述至少一个LED的热量的热传导。LED支座安装在基座中并且通过第一电接触与电流电连接。透光且散热的光学部件具有外壁和限定腔的内壁。所述至少一个LED位于该腔中。光学部件与LED支座热接触,并且光学部件与基座机械连接。
附图说明
图1示出LED灯的示意截面图。
图2示出另一替代方案的LED灯的示意截面图。
图3示出另一替代方案的LED灯的示意截面图。
具体实施方式
具有散热光学部件的LED灯可由基座、LED光源、LED支座和散热光学部件构建。
基座可构建成具有限定内部容积的壁的螺纹金属壳。基座可以类似于一般用于螺纹安装的白炽灯泡的基座。基座包括用于接收线电流的第一电接触和第二电接触,以及用于连接相应的电源插座的机械接触。在一个优选实施方案中,基座包括三个或更多的连接点例如凹陷,用以限定可将LED支座安置其上的定位平面。在基座中也可形成突出物、槽或台阶,以使LED支座的边缘可以安置于其上。基座还可包括成型部件,其压靠LED支座以将LED支座设置为与基座或与散热光学部件紧密热接触。基座还可形成为具有定位或闭锁部件以与散热光学部件牢固配合。例如,基座壁可包括突出物、台阶或槽或类似形状的部分以使基座与光学部件的端部边缘或侧壁配合,从而将基座相对于光学部件准确且牢固地定位。基座可包括与具有凹陷或凸起的光学部件的一部分重叠的壁部,因此基座壁可对应地凹陷或凸出以与光学部件机械配合。例如,基座的壁部可包括与光学部件的边缘端轴向配合并且位于其上的台阶。然后,基座壁的外部重叠部分可压入光学部件中所形成的凹陷中以将基座牢固地锁定在光学部件上。
在LED支座上安装至少一个LED。LED具有可被加电以使LED发光的电连接。LED可以是用于“板上芯片”安装的发光半导体芯片或者可以是具有支撑引线框、电连接和任选的光学部件如遮盖透镜的常规LED组合件。应该理解,可以交替地使用两个或更多个LED,并且LED可提供相同或不同的颜色。一般地,所述至少一个LED产生光和热,其中光通过光学部件光学引导至待照明区域,而热通过传导和辐射而热传导离开LED。无论与支撑结构热连接用以从LED光源导走热的是LED芯片还是LED组合件,唯一重要的是LED光源。
在该优选实施方案中,所述至少一个LED包括一对或多对第一LED和第二LED。每个第一LED和每个第二LED具有优选的电流运行方向,并且各个LED与成对的LED中的另一个串联电连接。每一对LED中的一个LED沿相对于线电流的第一电流方向电连接到第一电接触,同时每一对LED中的第二LED沿与第一电流方向相反的第二电流方向电连接到第二电接触。第二电接触与各个LED对的第一LED的电接触相反。这样,第一LED和第二LED对可彼此用作相互整流的二极管。
LED支座具有用于所述至少一个LED的至少一个电连接。LED支座很好地机械连接到LED以使得在LED至LED支座之间具有良好的热传导。优选的LED支座包括用于LED的一个或多个电连接。该电连接事实上可以是为LED支座提供热连接的机械连接。LED支座可以是印刷电路板、具有导电路线的金属板、导热陶瓷或其它导热支撑结构,视情况而定,一般是支撑LED或多个LED(芯片或组合件)的平面形状。LED支座也可提供电路特性,例如交流-直流转换、电压降低、镇流、过电流或过电压保护、开关、定时或类似的电学特性。LED的引线可以沿表面行进或者可以穿过LED支座中形成的用于电连接的孔。LED支座还可以包括一个或多个定位和连接部件,例如,可以紧靠着光学部件或基座或二者的径向延伸的外周凸缘或轴向延伸的外周壁。例如,外周壁可如碟般径向延伸以配合光学部件的圆形端壁边缘。外周壁可如碟般径向延伸以配合光学部件上形成的圆形突出物。外周壁可沿向前方向或向后方向轴向延伸,以紧密配合光学部件内壁的内径。外周壁可延伸至与光学部件的端壁边缘配合并与光学部件外部的外径重叠。可在LED支座中形成闩锁,例如凸起或凹陷,并且可相应地形成光学部件,使得LED支座和光学部件可以互相咬合、闭锁或以其它方式相互配合和连接。这样,LED光源和LED支座可以容易和精确地分别插入、覆盖或连接光学部件的端部成为插头插入物、端板或咬合帽。优选的连接提供LED相对于光学部件的精确光学对准并且固定至光学部件的热连接以用于热传导。
作为替代方案,LED支座可安装在基座中并通过第一电接触电连接至线电流。例如,LED支座可安装在形成于基座壁内侧的台阶、突出物、弹簧夹或类似定位部件上。这样,LED和LED支座可以插入基座的开口端并且与基座电连接和机械连接。然后,可从LED支座向基座壁导热。同时,基座壁可形成有槽、台阶、突出物、导壁或其它连接部件以机械地和热机械地闭锁、咬合或以其它方式连接至光学部件。然后,基座可安装至光学部件的内壁以及光学部件的端部边缘壁或光学部件的外壁。这样,基座可以与光学部件机械连接,并且可通过LED支座从LED向基座和光学部件导热。
在一个优选实施方案中,LED支座包括与导电基座壁的内部进行机械接触和电接触的第一接触。在一个优选实施方案中,LED支座具有在LED支座上排列成行或圈的多个LED,其中在第一行或圈LED上具有第一电连接,在第一行或圈LED和第二行或圈LED之间具有中间连接。利用第一行LED和第二行LED制造从第二行或圈LED的第二侧的第二电连接。LED可以被电取向成反向极性。
透光散热光学部件通过基座机械支撑,并且定位为光学跨越至少一个LED。优选的光学部件由玻璃、石英、聚碳酸酯或导热陶瓷形成。存在大量优选的透光陶瓷。其中一些具有大于30W/mK的热导率。这包括氮化铝(AlN)(200W/mK),其可以是常规晶粒AlN(15-30微米晶粒)、亚微米晶粒AlN、纳米晶粒AlN。可以使用蓝宝石(35W/mK)、氧化铝(Al2O3)(30W/mK)、亚微米氧化铝(30W/mK)或纳米晶粒氧化铝(30W/mK)。也可使用氧化镁(MgO)(59W/mK)。这些材料各自都有优点和缺点。其中一些在3~5微米的红外区域具有高透光度,这大约是300K~400K工作温度下的常规LED芯片的峰值辐射点。较好的IR透射体包括氮化铝(AlN)、氧化铝(Al2O3)和氧化镁(MgO)。尖晶石、AlON、YAG和氧化钇在3~5微米波段内也是透明的。其它陶瓷如尖晶石、AlON、YAG和氧化钇在可见光波段也是透明的,但是具有低热导率(小于30W/mK),因此不如氮化铝(AlN)、氧化铝(Al2O3)和氧化镁(MgO)可取。另外,有些材料如YAG在3~5微米的IR区域内并不是非常透射的(80%以下)。还增加了透光散热器以通过辐射来自LED结的热量来冷却,这在塑料或玻璃光学部件情况下是不存在或受限制的。因此,优选的透光散热材料有利于通过允许提高IR辐射来进一步减少自发热,并且尤其具有在3~5微米的IR区域内大于80%的透光率。其它材料具有比相关芯片更低的折射率,因此有利于从LED芯片中提取光。申请人优选氮化铝,因为其热导率和热膨胀系数与很多LED芯片匹配良好。在热导率和透明度方面,优选纳米晶粒或亚微米晶粒的氧化铝。在制造成本方面,优选不同形式的氧化铝。在透光性和低折射率方面,优选氧化镁。
光学部件可包括在第一端的输入窗口、具有内反射表面的中间光导部分和在第二端的输出窗口。输入窗口和输出窗口可具有折射特性,以促进发射光的优选分布。所述端可以彼此轴向相对。光学部件可包括在一部分或全部表面上的光散射外表面。光学部件可包括在一部分或整个外表面上的光反射涂层,如金属化或干涉涂层,以形成或引导输出光图案。光学部件可包括在一部分或整个外表面上的滤光涂层,如薄金属化吸收涂层或干涉涂层,以过滤输出光或使输出光具有颜色或使输出光具有颜色图案。光学部件可在内表面上、端边缘壁或外壁上包括一个或多个凹陷或凸起以与LED支座或基座或二者一起机械配合,从而使LED与光学部件机械对准,并通过LED支座使LED与光学部件热连接,以及使基座与光学部件机械连接以使得整个组合件能够螺纹接入到插座中。在一个优选实施方案中,光学部件包括成型的核心凹陷以封闭LED。核心凹陷的容积内可以填充有透光灌封材料,如本领域已知的硅氧烷材料,由此提供从LED到光学部件的进一步的热连接。灌封材料可包括散射材料或着色剂材料。
在一个优选实施方案中,光学部件包括用于配合基座的机械连接。例如,光学部件的内表面或外表面可包括突出物、槽或凹陷,其与支座或基座的对应形状的部件可以通过弹簧配合、敲击、粘合或类似接合的配合件紧密配合。
在一个优选实施方案中,光学部件包括与LED支座的机械凸起进行机械连接的成型凹陷。在一个优选实施方案中,光学部件包括与LED支座的机械凹陷进行机械连接的成型凸起。
在一个优选实施方案中,光学部件包括至少一个光折射元件。所述折射元件可以是光滑单一表面,多个微透镜或小平面或菲涅尔(Fresnel)边缘、凸带或以圆形、轴向或扩散排列。
在一个优选实施方案中,光学部件包括围绕光学部件延伸的折射带。在一个优选实施方案中,光学部件包括在光学部件端部上的至少一个折射面。在一个优选实施方案中,光学部件包括沿光学部件轴向延伸的至少一个折射带。
在一个优选实施方案中,光学部件具有在所述至少一个LED和光学部件之间的散射表面。在一个优选实施方案中,散射表面形成为光学部件的一部分。散射表面可以通过蚀刻、研磨或类似地磨蚀或改变表面、或通过用散射材料涂覆表面来机械形成。在一个优选实施方案中,散射表面是在光学部件和所述至少一个LED之间的单独体。例如,可以在LED和光学部件之间插入散射板、散射填料或散射灌装料。例如,散射板可与光学部件的内表面机械地或摩擦地接合,以拦截所有的或大部分从LED向光学部件透射的光。以同样的方式,可以在LED和光学部件之间插入着色层以对发射光进行滤光或着色。作为替代方案,散射层可以从LED支座悬置于LED上。应该理解,中间层可进行散射、着色(如磷光体涂层)、滤光或它们的组合。在一个优选实施方案中,散射表面形成为至少一个LED的一部分。应该理解,在LED组合件中,外遮盖透镜可以进行散射、着色(如磷光体涂层)或滤光。
在一个优选实施方案中,光学部件包括圆柱形光导,其在第一端光学连接至一个或多个LED并具有包括面对待照明区域的折射元件的第二端。在一个优选实施方案中,光学部件由选自玻璃、石英、聚碳酸酯和丙烯酸酯类树脂的光透明陶瓷形成。存在多种优选的具有30W/mK以上的热导率的透光陶瓷。这包括氮化铝(AlN)(200W/mK),包括常规晶粒AlN(15-30微米晶粒)、亚微米晶粒AlN和纳米晶粒AlN;蓝宝石(35W/mK);氧化铝(Al2O3)(30W/mK),亚微米氧化铝(30W/mK)或纳米晶粒氧化铝(30W/mK);或氧化镁(MgO)(59W/mK)。这些材料各自都有优点和缺点。一些透光散热材料也在3~5微米的红外区域具有高透光度,这恰好大约是300K~400K工作温度下的常规LED芯片的峰值辐射点。较好的IR透射体包括氮化铝(AlN)、氧化铝(Al2O3)和氧化镁(MgO)。尖晶石、AlON、YAG和氧化钇在3~5微米波段内也是透明的。其它陶瓷如尖晶石、AlON、YAG和氧化钇在可见光波段中是透明的,但是具有低热导率(小于30W/mK),因此不如氮化铝(AlN)、氧化铝(Al2O3)和氧化镁(MgO)可取。另外,有些材料如YAG在3~5微米的IR区域内并不是非常透射的(80%以下)。然后,透光散热器通过辐射来自LED结的热而增加了额外的冷却机制,这在塑料或玻璃的透镜或窗口的情况下是不存在的。因此,优选的透光散热材料有利于通过允许提高IR辐射来进一步减少自发热,并且特别是具有在3~5微米的IR区域内大于80%的透光率。其它材料具有比相关芯片更低的折射率,并由此有利于从LED芯片提取光。申请人优选氮化铝,因为其热导率和热膨胀系数与很多LED芯片匹配良好。在热导率和透明度方面,优选纳米晶粒或亚微米晶粒的氧化铝。在制造成本方面,优选不同形式的氧化铝。在透光性和低折射率方面,优选氧化镁。
在一个优选实施方案中,透光连接材料与至少一个LED和光学部件紧密接触。在一个优选实施方案中,LED支座包括与基座的中心接触进行电接触的中心接触。
在一个优选实施方案中,光学部件包括用以定位LED支座的内突出物。在一个优选实施方案中,光学部件包括LED定位平面的径向曲面。该曲面具有反射外涂层和光学曲率,以将LED径向发射的沿向前方向的光反射成基本平行于灯轴。作为替代方案,该反射外涂层将径向发射的光以一定角度反射至灯轴以提供发射光锥。在一个优选实施方案中,光学部件包括闭锁基座的内连接。
图1示出LED灯10的示意截面图。灯10包括由类似于典型的爱迪生灯基座的管状金属壳形成的螺纹基座12。如图所示,基座12可包括沿金属侧壁的上端形成的第一闩锁14和第二闩锁16。优选的第一闩锁14包括一个或多个凹陷。第二闩锁16可类似地包括一个或多个凹陷。应该理解,此处所述的闩锁可以凹/凸转化为凸起。作为替代方案,可以使用沟槽和凸纹或者花键形连接。也可使用其它的闩锁结构。光学部件20包括具有外壁22和限定腔26的内壁24的导热透光材料。外壁22可形成为光滑的或者弯曲的,以提供期望的折射特性,或者可以用小平面、微透镜、磨砂或类似的折射或散射部件来详细描述。如图所示,光学部件20包括具有全内反射的圆柱形侧壁21的上部和在轴端上形成的凸透镜23。外壁22形成为具有闩锁部件以与设计为配合基座12的第一闩锁14的凹槽连接。然后,基座12和光学部件20可紧密配合在一起。作为替代方案,可用胶接合基座12和光学部件20。支座30可以是具有边缘32的圆柱形金属平台,边缘32包括与基座12的第二闩锁16配合的闩锁凸起。边缘32也包括与光学部件20的端面紧密配合的突出物34和侧壁36部分。支座30可以是管状的并具有作为插入元件的支撑在开口端中的LED光源42的开口上端,或者支座30可以是端封闭管,其支撑沿端封闭管的顶面(上面)布置的LED光源42。支座30的侧壁36和光学部件20的内壁的尺寸和形状都紧密配合在一起,例如,作为具有紧密套迭相应的内径和外径的管节。紧密配合能够得到从支座30到光学部件20的良好热传导。LED 40可以安装在包括安装在支座30的端部中的导热板的LED光源42上。支座30的边缘32和侧壁36的尺寸为能够使支座30以适当的深度插入到腔26中。然后,边缘32的突出物34堵塞光学部件20的端壁。LED光源34可以是导热陶瓷、印刷电路板、能够电连接LED40同时提供从LED 40到支座30和光学部件20的良好热传导的具有合适的电绝缘层或类似的合适机械支撑物的金属体。LED支座42可包括用于控制或运行LED 40的电路。LED 40安装为面向外侧以将光引导通过光学部件20。在一个优选实施方案中,LED 40延伸到腔26中以到达或超过基座12的侧壁的端部的水平(虚线所示),使得从LED 40侧向发出的光不被基座12的第一闩锁14或相邻侧壁的端部所阻挡。灯10可任选地包括另外的电路以电操作LED40。例如,电路板50可设置在LED光源42和基座12的端接触60之间的腔26中。如图所示,圆形第二电路板50可是设置在,例如压紧或夹持在,边缘32的下侧和第二闩锁16之间。灯10可通过连接LED光源42和支座30来组装。如果存在,则第二电路板50可在支座30的底侧上合适的地方组装。然后,LED光源42和支座30可以装载到光学部件20的腔26中。然后,通过闭锁第一闩锁14和第二闩锁16来应用基座12。如爱迪生电灯那样制造电连接。基座12的侧壁通过支座30(或第二电路板50)电连接至LED光源42(或者直接连接至LED 40连接)。基座12的端接触60通过中央引线62电连接到LED光源42(或直接穿过第二电路板50)。组合件的紧密配合使得能够快速组装并且得到从LED 40和LED光源42到光学部件20和基座12的良好热传导。
图2示出一个替代方案的LED灯100的示意截面图。LED支座110不需要到基座112的闩锁。支座110可以安装在形成于光学部件116中的腔114中,并且通过紧密配合的摩擦力基本上保留在原位。与第二闩锁不同的是,基座112可以用弹簧片118形成。弹簧片118从基座112的侧壁延伸以接触支座110并将支座110压入到光学部件116的位置。弹簧片118可同时在基座112和支座110之间形成一个电接触。此外,在光学部件的外部闭锁基座112。光改变元件120也可置于LED光源122和穿过光学部件116的光出射路径之间的腔114中。光改变元件120可以是掺杂或涂覆磷光体的玻璃、塑料或类似的光学元件或类似的有色光学元件。作为替代方案,光改变元件120可以是光散射体。作为替代方案,光改变元件120可以是磷光体或类似的光颜色改变或光散射涂层。其便于将有色的插入物或涂层置于光学部件116的内表面中或形成于其上。然后,可使用相同的标准部件来制造各种不同颜色的灯。应该理解,光学部件的内表面可以被蚀刻或涂覆以形成光改变元件120。光学部件也可形成为在外表面上具有小平面或类似的折射元件117。
图3示出另一个替代方案的LED灯200的示意截面图。LED支座不需要到基座的闩锁。LED支座210可包括与光学部件230的内部配合的闩锁部件212。例如,可在光学部件230的内壁上形成凸起232,并且支座210的侧壁可包括对应的部件212以将支座210连接到光学部件230的内壁。如图所示的光学部件230可包括具有可用于滤光、着色或散射的表面涂层231的外端和侧偏转端部反射体233。还便于使用边缘214和突出物216结构将LED光源240恰当地光学定位在腔的深度中。边缘214可延伸以电接触基座220的侧壁,从而用作LED电连接之一,当然也用于从支座210到基座220的热传导。任选的第二电路板250可置于下边缘214区域中。在LED 260和光学部件230之间,在支座上可包括任选的侧光学部件270,如环形棱镜或反射体。当LED 260的侧发射被侧光学部件270完全拦截时,基座220的侧壁222可以进一步延伸至用于热传导的光学部件230的侧面。光学部件230中的腔的内部也可以任选地包括光折射元件280,如置于LED 260和穿过光学部件230的光出射路径之间的菲涅尔透镜。光学部件230中的腔也可在LED 260和光学部件230的内壁之间利用密封剂290填充。本领域中已知硅氧烷填料可用于该目的。密封剂290可包括磷光体、其它着色剂或光散射材料。
该组合式结构允许快速制造并且同时解决散热问题以及在颜色、散射和光束传播方面进行多种变化的要求。虽然已经图示和描述了目前认为的本发明的优选实施方案,但是本领域技术人员清楚在不脱离所附权利要求所限定的本发明范围的情况下可以进行多种改变和变化。
Claims (24)
1.一种具有散热光学部件的LED灯,包括:
具有用于接收电流的第一电接触和第二电接触的基座;
安装在导热LED支座上的至少一个LED;
所述LED支座具有用于所述至少一个LED的至少一个电连接并且提供对来自所述至少一个LED的热量的热传导;
所述LED支座安装在所述基座中并且通过所述第一电接触电连接至电流;和
具有外壁和限定腔的内壁的透光散热的光学部件,所述至少一个LED位于所述腔中,所述光学部件与所述LED支座热接触,所述光学部件与所述基座机械连接。
2.如权利要求1所述的灯,其中所述至少一个LED和所述光学部件紧密接触透光接合材料。
3.如权利要求1所述的灯,其中所述光学部件包括至少一个光折射元件。
4.如权利要求1所述的灯,其中所述光学部件包括圆柱形光导,其任选地在第一端连接至所述一个或多个LED并具有包括面对待照明区域的折射元件的第二端。
5.如权利要求4所述的灯,其中所述光学部件由选自包括玻璃和石英的组的光透明陶瓷形成。
6.如权利要求4所述的灯,其中所述光学部件由选自包括氮化铝(AlN)、蓝宝石、氧化铝(Al203)和氧化镁(MgO)的组的光透明陶瓷形成。
7.如权利要求4所述的灯,其中所述光学部件由选自包括尖晶石、AlON、YAG和氧化钇的组的光透明陶瓷形成。
8.如权利要求1所述的灯,其中所述光学部件包括用于与所述至少一个LED的支座配合的机械连接装置。
9.如权利要求1所述的灯,其中所述光学部件包括在所述光学部件的外壁上形成的至少一个折射元件。
10.如权利要求1所述的灯,包括在所述至少一个LED和所述光学部件之间的光散射元件。
11.如权利要求10所述的灯,其中所述散射元件形成在所述光学部件的一部分上。
12.如权利要求10所述的灯,其中所述散射元件是在所述光学部件和所述至少一个LED之间的单独体。
13.如权利要求1所述的灯,包括在所述至少一个LED和所述光学部件之间的光着色元件。
14.如权利要求10所述的灯,其中所述光着色元件形成在所述光学部件的一部分上。
15.如权利要求10所述的灯,其中所述光着色元件是在所述光学部件和所述至少一个LED之间的单独体。
16.如权利要求1所述的灯,包括在所述至少一个LED和所述光学部件之间的光偏转元件。
17.如权利要求10所述的灯,其中所述光偏转元件是光折射元件。
18.如权利要求10所述的灯,其中所述光折射元件是透镜。
19.如权利要求10所述的灯,其中所述光偏转元件是光反射元件。
20.如权利要求1所述的灯,其中所述LED支座包括与所述基座的壁电接触的第一电接触。
21.如权利要求1所述的灯,其中所述LED支座包括与所述基座的中心接触电接触的中心接触。
22.如权利要求1所述的灯,其中所述光学部件是透光塑料,例如聚碳酸酯塑料。
23.如权利要求1所述的灯,其中所述LED支座包括与所述光学部件紧密机械接触的边缘部分。
24.如权利要求1所述的灯,其中所述边缘部分设定所述LED支座相对于所述光学部件的轴向定位。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/904,339 | 2007-09-27 | ||
US11/904,339 US7588351B2 (en) | 2007-09-27 | 2007-09-27 | LED lamp with heat sink optic |
PCT/US2008/010724 WO2009042042A1 (en) | 2007-09-27 | 2008-09-15 | Led lamp with heat sink optic |
Publications (2)
Publication Number | Publication Date |
---|---|
CN101809365A true CN101809365A (zh) | 2010-08-18 |
CN101809365B CN101809365B (zh) | 2013-10-16 |
Family
ID=40508075
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2008801092978A Active CN101809365B (zh) | 2007-09-27 | 2008-09-15 | 具有散热光学部件的led灯 |
Country Status (4)
Country | Link |
---|---|
US (1) | US7588351B2 (zh) |
EP (1) | EP2191198B1 (zh) |
CN (1) | CN101809365B (zh) |
WO (1) | WO2009042042A1 (zh) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102549329A (zh) * | 2010-10-12 | 2012-07-04 | 松下电器产业株式会社 | 灯 |
WO2013059994A1 (zh) * | 2011-10-24 | 2013-05-02 | 宁波市佰仕电器有限公司 | 扩光led灯 |
CN103201558A (zh) * | 2010-09-24 | 2013-07-10 | 克里公司 | Led灯 |
Families Citing this family (168)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7728345B2 (en) * | 2001-08-24 | 2010-06-01 | Cao Group, Inc. | Semiconductor light source for illuminating a physical space including a 3-dimensional lead frame |
US8569785B2 (en) * | 2001-08-24 | 2013-10-29 | Cao Group, Inc. | Semiconductor light source for illuminating a physical space including a 3-dimensional lead frame |
US7976211B2 (en) * | 2001-08-24 | 2011-07-12 | Densen Cao | Light bulb utilizing a replaceable LED light source |
US10340424B2 (en) | 2002-08-30 | 2019-07-02 | GE Lighting Solutions, LLC | Light emitting diode component |
US7915085B2 (en) * | 2003-09-18 | 2011-03-29 | Cree, Inc. | Molded chip fabrication method |
US9412926B2 (en) | 2005-06-10 | 2016-08-09 | Cree, Inc. | High power solid-state lamp |
JP2009543314A (ja) * | 2006-07-11 | 2009-12-03 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | 少なくとも1つの埋め込みledを有する透明体 |
US7738235B2 (en) * | 2006-07-31 | 2010-06-15 | B/E Aerospace, Inc. | LED light apparatus |
US20080029720A1 (en) | 2006-08-03 | 2008-02-07 | Intematix Corporation | LED lighting arrangement including light emitting phosphor |
US9159888B2 (en) * | 2007-01-22 | 2015-10-13 | Cree, Inc. | Wafer level phosphor coating method and devices fabricated utilizing method |
US9024349B2 (en) | 2007-01-22 | 2015-05-05 | Cree, Inc. | Wafer level phosphor coating method and devices fabricated utilizing method |
US8376577B2 (en) * | 2007-11-05 | 2013-02-19 | Xicato, Inc. | Modular solid state lighting device |
US9041285B2 (en) | 2007-12-14 | 2015-05-26 | Cree, Inc. | Phosphor distribution in LED lamps using centrifugal force |
US8118447B2 (en) | 2007-12-20 | 2012-02-21 | Altair Engineering, Inc. | LED lighting apparatus with swivel connection |
US7712918B2 (en) | 2007-12-21 | 2010-05-11 | Altair Engineering , Inc. | Light distribution using a light emitting diode assembly |
US20090196049A1 (en) * | 2008-02-01 | 2009-08-06 | Buschmann Jeffrey P | Lamp, lamp body and method of making lamp |
CN101521253B (zh) * | 2008-02-29 | 2011-02-16 | 富士迈半导体精密工业(上海)有限公司 | 固态发光元件及光源模组 |
US8575641B2 (en) * | 2011-08-11 | 2013-11-05 | Goldeneye, Inc | Solid state light sources based on thermally conductive luminescent elements containing interconnects |
US7909499B2 (en) * | 2008-04-01 | 2011-03-22 | Juno Manufacturing, Inc. | LED track lighting module |
US20090273940A1 (en) | 2008-05-01 | 2009-11-05 | Cao Group, Inc. | LED lighting device |
WO2009137416A1 (en) * | 2008-05-05 | 2009-11-12 | Dialight Corporation | Surface mount circuit board indicator |
US9121597B2 (en) * | 2008-05-14 | 2015-09-01 | Schneider Electric USA, Inc. | LED track lighting system |
US8360599B2 (en) | 2008-05-23 | 2013-01-29 | Ilumisys, Inc. | Electric shock resistant L.E.D. based light |
US8013501B2 (en) * | 2008-06-04 | 2011-09-06 | Forever Bulb, Llc | LED-based light bulb device |
US7976196B2 (en) | 2008-07-09 | 2011-07-12 | Altair Engineering, Inc. | Method of forming LED-based light and resulting LED-based light |
US7946729B2 (en) | 2008-07-31 | 2011-05-24 | Altair Engineering, Inc. | Fluorescent tube replacement having longitudinally oriented LEDs |
KR100883345B1 (ko) * | 2008-08-08 | 2009-02-12 | 김현민 | 라인형 led 조명장치 |
US8674626B2 (en) | 2008-09-02 | 2014-03-18 | Ilumisys, Inc. | LED lamp failure alerting system |
US8256924B2 (en) | 2008-09-15 | 2012-09-04 | Ilumisys, Inc. | LED-based light having rapidly oscillating LEDs |
US8653984B2 (en) | 2008-10-24 | 2014-02-18 | Ilumisys, Inc. | Integration of LED lighting control with emergency notification systems |
US8444292B2 (en) | 2008-10-24 | 2013-05-21 | Ilumisys, Inc. | End cap substitute for LED-based tube replacement light |
US8324817B2 (en) | 2008-10-24 | 2012-12-04 | Ilumisys, Inc. | Light and light sensor |
US8214084B2 (en) | 2008-10-24 | 2012-07-03 | Ilumisys, Inc. | Integration of LED lighting with building controls |
US8901823B2 (en) | 2008-10-24 | 2014-12-02 | Ilumisys, Inc. | Light and light sensor |
US7938562B2 (en) | 2008-10-24 | 2011-05-10 | Altair Engineering, Inc. | Lighting including integral communication apparatus |
CN101769517A (zh) * | 2008-12-27 | 2010-07-07 | 富准精密工业(深圳)有限公司 | 发光模块及应用该发光模块的发光二极管灯具 |
US8556452B2 (en) | 2009-01-15 | 2013-10-15 | Ilumisys, Inc. | LED lens |
US8362710B2 (en) | 2009-01-21 | 2013-01-29 | Ilumisys, Inc. | Direct AC-to-DC converter for passive component minimization and universal operation of LED arrays |
US8664880B2 (en) | 2009-01-21 | 2014-03-04 | Ilumisys, Inc. | Ballast/line detection circuit for fluorescent replacement lamps |
JP2012518254A (ja) * | 2009-02-17 | 2012-08-09 | カオ グループ、インク. | 空間照明用のled電球 |
CN104019386B (zh) * | 2009-02-19 | 2016-05-11 | 东芝照明技术株式会社 | 灯装置以及照明器具 |
JP5637344B2 (ja) | 2009-02-19 | 2014-12-10 | 東芝ライテック株式会社 | ランプ装置および照明器具 |
CN101865373B (zh) * | 2009-04-20 | 2013-09-04 | 富准精密工业(深圳)有限公司 | 发光二极管灯具 |
JP5711217B2 (ja) * | 2009-05-04 | 2015-04-30 | コーニンクレッカ フィリップス エヌ ヴェ | 半透明外囲体内に配置された発光部を有する光源 |
EP2251915A1 (en) * | 2009-05-11 | 2010-11-17 | Foxsemicon Integrated Technology, Inc. | Light emitting diode and light source module having same |
US8330381B2 (en) | 2009-05-14 | 2012-12-11 | Ilumisys, Inc. | Electronic circuit for DC conversion of fluorescent lighting ballast |
JP4957927B2 (ja) * | 2009-05-29 | 2012-06-20 | 東芝ライテック株式会社 | 電球形ランプおよび照明器具 |
US20100301728A1 (en) * | 2009-06-02 | 2010-12-02 | Bridgelux, Inc. | Light source having a refractive element |
US8299695B2 (en) | 2009-06-02 | 2012-10-30 | Ilumisys, Inc. | Screw-in LED bulb comprising a base having outwardly projecting nodes |
WO2011005579A2 (en) | 2009-06-23 | 2011-01-13 | Altair Engineering, Inc. | Illumination device including leds and a switching power control system |
US8263677B2 (en) * | 2009-09-08 | 2012-09-11 | Creative Nail Design, Inc. | Removable color gel basecoat for artificial nail coatings and methods therefore |
US8541482B2 (en) | 2009-10-05 | 2013-09-24 | Creative Nail Design, Inc. | Removable multilayer nail coating system and methods therefore |
US8492454B2 (en) | 2009-10-05 | 2013-07-23 | Creative Nail Design, Inc. | Removable color layer for artificial nail coatings and methods therefore |
WO2011038550A1 (zh) * | 2009-09-30 | 2011-04-07 | Huo Weimin | 一种发光二极管节能灯 |
US8593040B2 (en) * | 2009-10-02 | 2013-11-26 | Ge Lighting Solutions Llc | LED lamp with surface area enhancing fins |
EP2496877A1 (en) * | 2009-11-04 | 2012-09-12 | Forever Bulb, Llc | Led-based light bulb device with kelvin corrective features |
CN101718400A (zh) * | 2009-12-11 | 2010-06-02 | 深圳市众明半导体照明有限公司 | 一种大角度led照明装置 |
CN101769455A (zh) * | 2009-12-28 | 2010-07-07 | 深圳市成光兴实业发展有限公司 | 一种采用整体荧光转换技术的led灯泡 |
EP2534419A4 (en) * | 2010-02-08 | 2013-08-07 | Nilssen Ole K | LAMP WITH EVAPORATIVE COOLING |
US9453617B2 (en) | 2010-02-08 | 2016-09-27 | Ban P. Loh | LED light device with improved thermal and optical characteristics |
US8632196B2 (en) | 2010-03-03 | 2014-01-21 | Cree, Inc. | LED lamp incorporating remote phosphor and diffuser with heat dissipation features |
US9062830B2 (en) * | 2010-03-03 | 2015-06-23 | Cree, Inc. | High efficiency solid state lamp and bulb |
US8882284B2 (en) | 2010-03-03 | 2014-11-11 | Cree, Inc. | LED lamp or bulb with remote phosphor and diffuser configuration with enhanced scattering properties |
US9625105B2 (en) * | 2010-03-03 | 2017-04-18 | Cree, Inc. | LED lamp with active cooling element |
US9316361B2 (en) | 2010-03-03 | 2016-04-19 | Cree, Inc. | LED lamp with remote phosphor and diffuser configuration |
US8562161B2 (en) | 2010-03-03 | 2013-10-22 | Cree, Inc. | LED based pedestal-type lighting structure |
US8931933B2 (en) * | 2010-03-03 | 2015-01-13 | Cree, Inc. | LED lamp with active cooling element |
US9024517B2 (en) * | 2010-03-03 | 2015-05-05 | Cree, Inc. | LED lamp with remote phosphor and diffuser configuration utilizing red emitters |
US9057511B2 (en) | 2010-03-03 | 2015-06-16 | Cree, Inc. | High efficiency solid state lamp and bulb |
US20110227102A1 (en) * | 2010-03-03 | 2011-09-22 | Cree, Inc. | High efficacy led lamp with remote phosphor and diffuser configuration |
US9500325B2 (en) | 2010-03-03 | 2016-11-22 | Cree, Inc. | LED lamp incorporating remote phosphor with heat dissipation features |
US9310030B2 (en) | 2010-03-03 | 2016-04-12 | Cree, Inc. | Non-uniform diffuser to scatter light into uniform emission pattern |
US9275979B2 (en) * | 2010-03-03 | 2016-03-01 | Cree, Inc. | Enhanced color rendering index emitter through phosphor separation |
US10359151B2 (en) | 2010-03-03 | 2019-07-23 | Ideal Industries Lighting Llc | Solid state lamp with thermal spreading elements and light directing optics |
WO2011119907A2 (en) | 2010-03-26 | 2011-09-29 | Altair Engineering, Inc. | Led light tube with dual sided light distribution |
EP2553320A4 (en) | 2010-03-26 | 2014-06-18 | Ilumisys Inc | LED LAMP COMPRISING A THERMOELECTRIC GENERATOR |
US8540401B2 (en) | 2010-03-26 | 2013-09-24 | Ilumisys, Inc. | LED bulb with internal heat dissipating structures |
IT1399322B1 (it) * | 2010-04-09 | 2013-04-16 | Simes | Apparecchio di illuminazione |
DE102010029593A1 (de) * | 2010-04-09 | 2011-10-13 | Tridonic Jennersdorf Gmbh | LED-Modul mit Doppeldiffusor |
EP2402648A1 (en) | 2010-07-01 | 2012-01-04 | Koninklijke Philips Electronics N.V. | TL retrofit LED module outside sealed glass tube |
US8454193B2 (en) | 2010-07-08 | 2013-06-04 | Ilumisys, Inc. | Independent modules for LED fluorescent light tube replacement |
US8596813B2 (en) | 2010-07-12 | 2013-12-03 | Ilumisys, Inc. | Circuit board mount for LED light tube |
US10546846B2 (en) * | 2010-07-23 | 2020-01-28 | Cree, Inc. | Light transmission control for masking appearance of solid state light sources |
US10451251B2 (en) | 2010-08-02 | 2019-10-22 | Ideal Industries Lighting, LLC | Solid state lamp with light directing optics and diffuser |
CN103261785A (zh) * | 2010-08-04 | 2013-08-21 | 迪斯普拉斯有限责任公司 | 发光装置 |
US8833975B2 (en) | 2010-09-07 | 2014-09-16 | Sharp Kabushiki Kaisha | Light-emitting device, illuminating device, vehicle headlamp, and method for producing light-emitting device |
US9546765B2 (en) | 2010-10-05 | 2017-01-17 | Intematix Corporation | Diffuser component having scattering particles |
US8523394B2 (en) | 2010-10-29 | 2013-09-03 | Ilumisys, Inc. | Mechanisms for reducing risk of shock during installation of light tube |
DE102010043545A1 (de) * | 2010-11-08 | 2012-05-10 | BSH Bosch und Siemens Hausgeräte GmbH | Beleuchtungseinrichtung für ein Großelektrogerät |
US9429296B2 (en) | 2010-11-15 | 2016-08-30 | Cree, Inc. | Modular optic for changing light emitting surface |
US10274183B2 (en) * | 2010-11-15 | 2019-04-30 | Cree, Inc. | Lighting fixture |
US9441819B2 (en) | 2010-11-15 | 2016-09-13 | Cree, Inc. | Modular optic for changing light emitting surface |
US9371966B2 (en) | 2010-11-15 | 2016-06-21 | Cree, Inc. | Lighting fixture |
KR101781424B1 (ko) | 2010-11-26 | 2017-09-26 | 서울반도체 주식회사 | 엘이디 조명기구 |
US8870415B2 (en) | 2010-12-09 | 2014-10-28 | Ilumisys, Inc. | LED fluorescent tube replacement light with reduced shock hazard |
CN103384794B (zh) * | 2010-12-23 | 2018-05-29 | 三星电子株式会社 | 包含量子点的光学元件 |
US9166126B2 (en) | 2011-01-31 | 2015-10-20 | Cree, Inc. | Conformally coated light emitting devices and methods for providing the same |
US9453618B2 (en) | 2011-02-02 | 2016-09-27 | Ban P. Loh | LED solutions for luminaries |
US9068701B2 (en) | 2012-01-26 | 2015-06-30 | Cree, Inc. | Lamp structure with remote LED light source |
US9234655B2 (en) | 2011-02-07 | 2016-01-12 | Cree, Inc. | Lamp with remote LED light source and heat dissipating elements |
US11251164B2 (en) | 2011-02-16 | 2022-02-15 | Creeled, Inc. | Multi-layer conversion material for down conversion in solid state lighting |
AU2011361736A1 (en) | 2011-03-07 | 2013-05-02 | Creative Nail Design, Inc. | Compositions and methods for UV-curable cosmetic nail coatings |
GB2488982B (en) * | 2011-03-08 | 2014-10-08 | Teknologian Tutkimuskeskus Vtt Oy | Heat sink assembly for opto-electronic components and a method for producing the same LED heatsink |
US8461752B2 (en) * | 2011-03-18 | 2013-06-11 | Abl Ip Holding Llc | White light lamp using semiconductor light emitter(s) and remotely deployed phosphor(s) |
US8803412B2 (en) | 2011-03-18 | 2014-08-12 | Abl Ip Holding Llc | Semiconductor lamp |
US8272766B2 (en) | 2011-03-18 | 2012-09-25 | Abl Ip Holding Llc | Semiconductor lamp with thermal handling system |
WO2012131108A1 (en) * | 2011-04-01 | 2012-10-04 | Ntl Lemnis Holding B.V. | Light source, lamp, and method for manufacturing a light source |
KR20140023339A (ko) * | 2011-04-04 | 2014-02-26 | 세람테크 게엠베하 | 조명 기구로서 led를 포함하는 led 램프 및 유리 또는 플라스틱 램프쉐이드 |
WO2012164506A1 (en) * | 2011-05-31 | 2012-12-06 | Sabic Innovative Plastics Ip B.V. | Led plastic heat sink and method for making and using the same |
US9322515B2 (en) * | 2011-06-29 | 2016-04-26 | Korry Electronics Co. | Apparatus for controlling the re-distribution of light emitted from a light-emitting diode |
JP5261543B2 (ja) * | 2011-06-30 | 2013-08-14 | シャープ株式会社 | レーザ光利用装置および車両用前照灯 |
US8899785B2 (en) * | 2011-07-14 | 2014-12-02 | Cree, Inc. | Lamp with multi-colored LEDs and method of making |
US9072171B2 (en) | 2011-08-24 | 2015-06-30 | Ilumisys, Inc. | Circuit board mount for LED light |
CN108317407A (zh) | 2011-10-31 | 2018-07-24 | 晶元光电股份有限公司 | Led光源 |
US9255666B2 (en) * | 2011-11-10 | 2016-02-09 | Epistar Corporation | Illumination apparatus |
US9194541B2 (en) * | 2011-11-10 | 2015-11-24 | Epistar Corporation | Illumination apparatus |
US9408275B2 (en) | 2011-12-02 | 2016-08-02 | Biological Illumination, Llc | System for optimizing light absorbance and associated methods |
US9137874B2 (en) * | 2011-12-02 | 2015-09-15 | Biological Illumination, Llc | Illumination and grow light system and associated methods |
US9200756B2 (en) * | 2011-12-12 | 2015-12-01 | Lg Innotek Co., Ltd. | Lighting device |
US9482421B2 (en) * | 2011-12-30 | 2016-11-01 | Cree, Inc. | Lamp with LED array and thermal coupling medium |
TW201331503A (zh) * | 2012-01-20 | 2013-08-01 | Taiwan Fu Hsing Ind Co Ltd | 燈具結構及其固定座 |
JP5670936B2 (ja) * | 2012-02-27 | 2015-02-18 | 株式会社東芝 | 照明装置 |
WO2013131002A1 (en) | 2012-03-02 | 2013-09-06 | Ilumisys, Inc. | Electrical connector header for an led-based light |
US9488359B2 (en) | 2012-03-26 | 2016-11-08 | Cree, Inc. | Passive phase change radiators for LED lamps and fixtures |
US9134014B2 (en) * | 2012-04-13 | 2015-09-15 | Everlight Electonics Co., Ltd. | Recessed lamp housing with adjustable spring clipping device |
JP2013229245A (ja) * | 2012-04-26 | 2013-11-07 | Panasonic Corp | Led照明器具 |
US9500355B2 (en) | 2012-05-04 | 2016-11-22 | GE Lighting Solutions, LLC | Lamp with light emitting elements surrounding active cooling device |
US10721808B2 (en) | 2012-07-01 | 2020-07-21 | Ideal Industries Lighting Llc | Light fixture control |
US9980350B2 (en) | 2012-07-01 | 2018-05-22 | Cree, Inc. | Removable module for a lighting fixture |
US9163794B2 (en) | 2012-07-06 | 2015-10-20 | Ilumisys, Inc. | Power supply assembly for LED-based light tube |
US9271367B2 (en) | 2012-07-09 | 2016-02-23 | Ilumisys, Inc. | System and method for controlling operation of an LED-based light |
CN102818164B (zh) * | 2012-08-13 | 2015-04-15 | 东莞汉旭五金塑胶科技有限公司 | 具有束框套环的led灯泡 |
TWM446281U (zh) * | 2012-08-30 | 2013-02-01 | 林清鈿 | 發光二極體導光燈具 |
JP5944801B2 (ja) * | 2012-09-11 | 2016-07-05 | 株式会社エンプラス | 照明装置 |
JP5964714B2 (ja) * | 2012-10-05 | 2016-08-03 | 株式会社エンプラス | 光束制御部材、発光装置および照明装置 |
US10544999B2 (en) * | 2012-10-16 | 2020-01-28 | The Board Of Trustees Of The Leland Stanford Junior University | Thermal extraction using radiation |
CN103791457A (zh) * | 2012-10-30 | 2014-05-14 | 欧司朗股份有限公司 | 用于led发光装置的壳体、led发光装置及形成方法、灯具 |
DE102012220264A1 (de) * | 2012-11-07 | 2014-05-08 | Osram Gmbh | Leuchtmittel mit optoelektronischem Bauelement |
US20140185269A1 (en) | 2012-12-28 | 2014-07-03 | Intermatix Corporation | Solid-state lamps utilizing photoluminescence wavelength conversion components |
US9316382B2 (en) | 2013-01-31 | 2016-04-19 | Cree, Inc. | Connector devices, systems, and related methods for connecting light emitting diode (LED) modules |
US9303825B2 (en) | 2013-03-05 | 2016-04-05 | Lighting Science Group, Corporation | High bay luminaire |
US9967928B2 (en) | 2013-03-13 | 2018-05-08 | Cree, Inc. | Replaceable lighting fixture components |
US9285084B2 (en) | 2013-03-14 | 2016-03-15 | Ilumisys, Inc. | Diffusers for LED-based lights |
TWI627371B (zh) | 2013-03-15 | 2018-06-21 | 英特曼帝克司公司 | 光致發光波長轉換組件 |
US20140268731A1 (en) | 2013-03-15 | 2014-09-18 | Lighting Science Group Corpporation | Low bay lighting system and associated methods |
US9267650B2 (en) | 2013-10-09 | 2016-02-23 | Ilumisys, Inc. | Lens for an LED-based light |
CN103727487A (zh) * | 2014-01-03 | 2014-04-16 | 徐存然 | 一种感温变色警示灯灯罩 |
EP3097748A1 (en) | 2014-01-22 | 2016-11-30 | iLumisys, Inc. | Led-based light with addressed leds |
US9360188B2 (en) | 2014-02-20 | 2016-06-07 | Cree, Inc. | Remote phosphor element filled with transparent material and method for forming multisection optical elements |
WO2015134899A1 (en) * | 2014-03-07 | 2015-09-11 | Intematix Corporation | Solid-state linear lighting arrangements including light emitting phosphor |
USD739054S1 (en) | 2014-03-10 | 2015-09-15 | Forever Bulb, Llc | LED light bulb |
USD739053S1 (en) | 2014-03-10 | 2015-09-15 | Forever Bulb, Llc | LED light bulb |
USD745708S1 (en) | 2014-03-11 | 2015-12-15 | Forever Bulb, Llc | LED light bulb |
USD737475S1 (en) | 2014-04-29 | 2015-08-25 | Forever Bulb, Llc | Three internal element LED bulb |
USD737476S1 (en) | 2014-04-29 | 2015-08-25 | Forever Bulb, Llc | Six internal element LED bulb |
US9510400B2 (en) | 2014-05-13 | 2016-11-29 | Ilumisys, Inc. | User input systems for an LED-based light |
US9686477B2 (en) | 2015-02-16 | 2017-06-20 | Cree, Inc. | Lighting fixture with image sensor |
DE102015002653B4 (de) * | 2015-03-03 | 2017-11-16 | Emz-Hanauer Gmbh & Co. Kgaa | Leuchte zum Einbau in ein elektrisches Haushaltsgerät |
US10162103B2 (en) | 2015-04-01 | 2018-12-25 | Microsoft Technology Licensing, Llc | Flexible backlight illumination carrier |
US10161568B2 (en) | 2015-06-01 | 2018-12-25 | Ilumisys, Inc. | LED-based light with canted outer walls |
KR20170038366A (ko) * | 2015-09-30 | 2017-04-07 | 주식회사 에스티큐브 | Led 램프 |
WO2017060210A1 (en) * | 2015-10-07 | 2017-04-13 | Philips Lighting Holding B.V. | Shock-preventing lighting units |
WO2018010990A1 (en) * | 2016-07-14 | 2018-01-18 | Philips Lighting Holding B.V. | Solid-state lighting lamp |
US10348974B2 (en) * | 2016-08-02 | 2019-07-09 | Cree, Inc. | Solid state lighting fixtures and image capture systems |
US10260683B2 (en) | 2017-05-10 | 2019-04-16 | Cree, Inc. | Solid-state lamp with LED filaments having different CCT's |
WO2020227699A1 (en) * | 2019-05-08 | 2020-11-12 | Fred Metsch Pereira | Light bulb with illuminated crystal |
NL1043825B1 (nl) * | 2020-10-22 | 2022-06-16 | Expo Trading Holland | Ledlamp met standaard fitting en minimale buitenmaten |
US11644160B1 (en) * | 2021-11-11 | 2023-05-09 | Dongguan Light Shines Electric Lighting Co., Ltd | Lamp and lamp string |
Family Cites Families (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2451885Y (zh) * | 2000-11-09 | 2001-10-03 | 环宇真空科技股份有限公司 | 具有镀膜层的灯罩 |
ES2287266T3 (es) | 2001-01-23 | 2007-12-16 | Donnelly Corporation | Sistema de iluminacion de vehiculos mejorado. |
TW552726B (en) * | 2001-07-26 | 2003-09-11 | Matsushita Electric Works Ltd | Light emitting device in use of LED |
JP3855955B2 (ja) * | 2003-03-28 | 2006-12-13 | セイコーエプソン株式会社 | 光源装置及びプロジェクタ |
US20080106893A1 (en) * | 2004-07-02 | 2008-05-08 | S. C. Johnson & Son, Inc. | Lamp and bulb for illumination and ambiance lighting |
US6948829B2 (en) * | 2004-01-28 | 2005-09-27 | Dialight Corporation | Light emitting diode (LED) light bulbs |
KR200350484Y1 (ko) * | 2004-02-06 | 2004-05-13 | 주식회사 대진디엠피 | 콘상 엘이디 조명등 |
JP4397946B2 (ja) * | 2004-03-03 | 2010-01-13 | エス.シー. ジョンソン アンド サン、インコーポレイテッド | 活性成分を放出するled電球 |
AU2005232581A1 (en) | 2004-04-09 | 2005-10-27 | Palomar Medical Technologies, Inc. | Emr treated islets |
CN2769686Y (zh) * | 2005-03-01 | 2006-04-05 | 南京汉德森科技股份有限公司 | 大功率发光二极管台灯 |
US7226189B2 (en) * | 2005-04-15 | 2007-06-05 | Taiwan Oasis Technology Co., Ltd. | Light emitting diode illumination apparatus |
NL1029999C2 (nl) | 2005-09-21 | 2007-03-27 | Imt B V | Verlichtingsarmatuur. |
CN100437277C (zh) * | 2005-09-22 | 2008-11-26 | 鸿富锦精密工业(深圳)有限公司 | 背光模组 |
CN1743729A (zh) * | 2005-09-27 | 2006-03-08 | 李盛远 | 一体化led灯具散热装置 |
CN2851822Y (zh) * | 2005-11-08 | 2006-12-27 | 光碁科技股份有限公司 | 三百六十度发光的高散热立式发光二极管灯泡 |
US20070159828A1 (en) * | 2006-01-09 | 2007-07-12 | Ceramate Technical Co., Ltd. | Vertical LED lamp with a 360-degree radiation and a high cooling efficiency |
CN2921565Y (zh) * | 2006-03-08 | 2007-07-11 | 汪清汾 | 一种漫光式led灯的结构 |
CN2924285Y (zh) * | 2006-06-13 | 2007-07-18 | 巨虹电子股份有限公司 | Led台灯 |
-
2007
- 2007-09-27 US US11/904,339 patent/US7588351B2/en not_active Expired - Fee Related
-
2008
- 2008-09-15 EP EP08833673.0A patent/EP2191198B1/en not_active Not-in-force
- 2008-09-15 CN CN2008801092978A patent/CN101809365B/zh active Active
- 2008-09-15 WO PCT/US2008/010724 patent/WO2009042042A1/en active Application Filing
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103201558A (zh) * | 2010-09-24 | 2013-07-10 | 克里公司 | Led灯 |
CN103201558B (zh) * | 2010-09-24 | 2016-11-23 | 克里公司 | Led灯 |
US9523488B2 (en) | 2010-09-24 | 2016-12-20 | Cree, Inc. | LED lamp |
CN102549329A (zh) * | 2010-10-12 | 2012-07-04 | 松下电器产业株式会社 | 灯 |
CN102549329B (zh) * | 2010-10-12 | 2013-09-18 | 松下电器产业株式会社 | 灯 |
WO2013059994A1 (zh) * | 2011-10-24 | 2013-05-02 | 宁波市佰仕电器有限公司 | 扩光led灯 |
Also Published As
Publication number | Publication date |
---|---|
EP2191198A4 (en) | 2013-03-20 |
US20090086492A1 (en) | 2009-04-02 |
US7588351B2 (en) | 2009-09-15 |
EP2191198A1 (en) | 2010-06-02 |
CN101809365B (zh) | 2013-10-16 |
EP2191198B1 (en) | 2017-04-26 |
WO2009042042A1 (en) | 2009-04-02 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN101809365B (zh) | 具有散热光学部件的led灯 | |
CN104379995B (zh) | Led灯具 | |
US9599291B2 (en) | Solid state light source emitting warm light with high CRI | |
US8529102B2 (en) | Reflector system for lighting device | |
CN102859260B (zh) | 固态灯泡 | |
CN102654252B (zh) | 透镜以及照明装置 | |
EP2386043B1 (en) | Optical element with led, and light source comprising the same | |
US9188290B2 (en) | Indirect linear fixture | |
TWI301181B (en) | Illumination device, motor-vehicle headlight and method for the production of an illumination device | |
EP3330593B1 (en) | Halo lighting unit | |
JP6041450B2 (ja) | 光源モジュール、照明装置及び照明システム | |
US20120063146A1 (en) | Spot light source and bulb-type light source | |
RU2523052C2 (ru) | Лампы на основе сид и системы управления теплом от них | |
TW201226802A (en) | LED lamp with high color rendering index | |
US20140210333A1 (en) | Lighting device | |
CN103703308B (zh) | 具有载体和封壳的照射设备 | |
CN105723149A (zh) | 具有光导和集成热导的固态区域灯和聚光灯 | |
US10006591B2 (en) | LED lamp | |
US10883672B1 (en) | Reflector structures for lighting devices | |
CN207486486U (zh) | 一种全周光led灯 | |
CN116565101A (zh) | 一种无荧光粉多基色led平面封装结构及其制备方法 | |
KR102014174B1 (ko) | 조명 장치 | |
KR101270212B1 (ko) | 반사면 높이가 낮은 엘이디 조명렌즈 및 이를 구비한 엘이디 조명장치 | |
CN110173632A (zh) | 蜡烛灯 | |
TWM555447U (zh) | 管狀發光體及燈泡 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant |