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    • 21. 发明申请
    • LED PACKAGE WITH CONVERGING EXTRACTOR
    • LED包装与收缩提取器
    • US20080012034A1
    • 2008-01-17
    • US11778385
    • 2007-07-16
    • James ThielenCatherine LeatherdaleAndrew OuderkirkDong LuAmy Barnes
    • James ThielenCatherine LeatherdaleAndrew OuderkirkDong LuAmy Barnes
    • H01L33/00
    • G02B5/045G02B27/0972H01L33/58
    • In one aspect, the present application discloses a light source comprising an LED die optically coupled to an extractor comprising a plurality of optical elements each having a base, an apex smaller than the base, and a converging side extending between the base and the apex. The extractor base is no greater in size than the emitting surface of the LED die. In another aspect, methods of making light sources are disclosed, comprising the steps of providing an LED die having an emitting surface; forming a plurality of optical elements each having a base, an apex smaller than the base, and a converging side extending between the base and the apex; arranging the plurality of optical elements to form an extractor, the extractor having an extractor base no greater in size than the emitting surface; and optically coupling the extractor base to the emitting surface of the LED die.
    • 在一个方面,本申请公开了一种光源,其包括光学耦合到提取器的LED管芯,所述提取器包括多个光学元件,每个光学元件具有基部,比所述基部小的顶点以及在所述基部和所述顶点之间延伸的会聚侧。 提取器基座的尺寸不大于LED管芯的发射表面。 在另一方面,公开了制造光源的方法,包括以下步骤:提供具有发射表面的LED管芯; 形成多个光学元件,每个光学元件具有基部,顶点小于基部,以及在基部和顶点之间延伸的会聚侧; 布置所述多个光学元件以形成提取器,所述提取器具有不大于所述发射表面的尺寸的提取器基座; 并将提取器基底光学耦合到LED管芯的发射表面。
    • 28. 发明申请
    • EDGE-LIT BACKLIGHT HAVING LIGHT RECYCLING CAVITY WITH CONCAVE TRANSFLECTOR
    • 带光栅转换器的带光回收孔的边缘背光
    • US20070047262A1
    • 2007-03-01
    • US11466628
    • 2006-08-23
    • Craig SchardtD. ThompsonJohn WheatleyDong Lu
    • Craig SchardtD. ThompsonJohn WheatleyDong Lu
    • F21V7/04
    • G02B6/0055G02B6/0021G02B6/0031G02B6/0096H01L33/54H01L2224/48091H01L2224/48247H01L2224/48257H01L2924/1815H01L2924/00014
    • An edge-lit backlight having a light recycling cavity with concave transflector is disclosed. The edge-lit backlight has an output area and includes a back reflector facing the output area of the backlight. The backlight further includes a transflector that partially transmits and partially reflects incident light, the transflector being shaped to form a concave structure facing the back reflector to provide one or more recycling cavities therebetween, where the one or more recycling cavities substantially fill the output area of the backlight. The backlight further includes at least one light source positioned adjacent a first edge of the backlight. The at least one light source is operable to inject light into the one or more recycling cavities through an input surface of the one or more recycling cavities, where the input surface is substantially orthogonal to the output area, and where the at least one concave structure converges with the back reflector in a direction distal from the input surface.
    • 公开了具有凹透镜的光回收腔的边缘照明背光。 边缘照明背光源具有输出区域,并且包括面向背光源的输出区域的后反射器。 该背光还包括半透射反射器,其部分地透射并部分地反射入射光,透射反射器被成形为形成面向后反射器的凹形结构,以在其间提供一个或多个再循环腔,其中一个或多个再循环腔基本上填充 背光。 背光还包括邻近背光源的第一边缘定位的至少一个光源。 所述至少一个光源可操作以通过所述一个或多个再循环腔的输入表面将光注入所述一个或多个再循环空腔中,其中所述输入表面基本上与所述输出区域正交,并且其中所述至少一个凹形结构 与背反射器在远离输入表面的方向会聚。