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公开(公告)号：US08575633B2
公开(公告)日：2013-11-05
申请号：US12329713
申请日：2008-12-08
摘要： A light emitting diode is disclosed that includes an active region and a plurality of exterior surfaces. A light enhancement feature is present on at least portions of one of the exterior surfaces of the diode, with the light enhancement feature being selected from the group consisting of shaping and texturing. A light enhancement feature is present on at least portions of each of the other exterior surfaces of the diode, with these light enhancement features being selected from the group consisting of shaping, texturing, and reflectors.
摘要翻译： 公开了一种包括有源区和多个外表面的发光二极管。 光增强特征存在于二极管的一个外表面的至少一部分上，光增强特征选自由成形和纹理组成的组。 在二极管的每个其它外表面的至少一部分上存在光增强特征，这些光增强特征选自由成形，纹理和反射器组成的组。
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公开(公告)号：US20070241360A1
公开(公告)日：2007-10-18
申请号：US11772419
申请日：2007-07-02
申请人： David Slater, Jr. , Jayesh Bharathan , John Edmond , Mark Raffetto , Anwar Mohammed , Peter Andrews , Gerald Negley
发明人： David Slater, Jr. , Jayesh Bharathan , John Edmond , Mark Raffetto , Anwar Mohammed , Peter Andrews , Gerald Negley
IPC分类号： H01L33/00
CPC分类号： H01L33/62 , H01L33/38 , H01L2224/04026 , H01L2224/26175 , H01L2224/291 , H01L2224/32245 , H01L2224/48463 , H01L2224/73265 , H01L2924/01057 , H01L2924/01078 , H01L2924/01079 , H01L2924/12032 , H01L2924/12041 , H01L2924/00014 , H01L2924/014 , H01L2924/00
摘要： Light emitting device die having a mesa configuration on a substrate and an electrode on the mesa are attached to a submount in a flip-chip configuration by forming predefined pattern of conductive die attach material on at least one of the electrode and the submount and mounting the light emitting device die to the submount. The predefined pattern of conductive die attach material is selected so as to prevent the conductive die attach material from contacting regions of having opposite conductivity types when the light emitting device die is mounted to the submount. The predefined pattern of conductive die attach material may provide a volume of die attach material that is less than a volume defined by an area of the electrode and a distance between the electrode and the submount. Light emitting device dies having predefined patterns of conductive die attach material are also provided. Light emitting devices having a gallium nitride based light emitting region on a substrate, such as a silicon carbide substrate, may also be mounted in a flip-chip configuration by mounting an electrode of the gallium nitride based light emitting region to a submount utilizing a B-stage curable die epoxy. Light emitting device dies having a B-stage curable die epoxy are also provided.
摘要翻译： 通过在电极和底座中的至少一个上形成预定图案的导电芯片附着材料，并将其安装在基板上，并将底板上的电极和底板上的电极的底板配置在倒装芯片结构的底座上， 发光器件死到底座。 选择导电芯片附着材料的预定图案，以便当发光器件裸片安装到底座时，防止导电芯片附着材料接触具有相反导电类型的区域。 导电芯片附接材料的预定图案可以提供小于由电极区域限定的体积以及电极和底座之间的距离的管芯附着材料的体积。 还提供具有预定图案的导电芯片附着材料的发光器件裸片。 在碳化硅基板等基板上具有氮化镓系发光区域的发光元件也可以通过将氮化镓系发光区域的电极安装在利用B的基板的倒装芯片配置中 级环氧树脂。 还提供了具有B级可固化模具环氧树脂的发光器件模具。
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