公开(公告)号：US09142715B2

公开(公告)日：2015-09-22

申请号：US13099127

申请日：2011-05-02

申请人： Chang Youn Kim ,  Joon Hee Lee ,  Jong Kyun You ,  Hong Chol Lim ,  Hwa Mok Kim

发明人： Chang Youn Kim ,  Joon Hee Lee ,  Jong Kyun You ,  Hong Chol Lim ,  Hwa Mok Kim

IPC分类号： H01L33/00 ,  H01L33/10 ,  H01L33/02

CPC分类号： H01L33/10 ,  H01L33/025 ,  H01L2933/0091

摘要： An exemplary embodiment of the present invention relates to a light emitting diode (LED) including a substrate, a first nitride semiconductor layer arranged on the substrate, an active layer arranged on the first nitride semiconductor layer, a second nitride semiconductor layer arranged on the active layer, a third nitride semiconductor layer disposed between the first nitride semiconductor layer or between the second nitride semiconductor layer and the active layer, the third nitride semiconductor layer comprising a plurality of scatter elements within the third nitride semiconductor layer, and a distributed Bragg reflector (DBR) comprising a multi-layered structure, the substrate being arranged between the DBR and the third nitride semiconductor layer.

摘要翻译： 本发明的示例性实施例涉及一种发光二极管（LED），其包括衬底，布置在衬底上的第一氮化物半导体层，布置在第一氮化物半导体层上的有源层，布置在有源层上的第二氮化物半导体层 层，设置在第一氮化物半导体层之间或第二氮化物半导体层和有源层之间的第三氮化物半导体层，在第三氮化物半导体层内包括多个散射元件的第三氮化物半导体层和分布式布拉格反射器 DBR），所述基板布置在所述DBR和所述第三氮化物半导体层之间。

公开(公告)号：US08410506B2

公开(公告)日：2013-04-02

申请号：US13077371

申请日：2011-03-31

申请人： Chang Youn Kim ,  Joon Hee Lee ,  Jong Kyun You ,  Hong Chol Lim

发明人： Chang Youn Kim ,  Joon Hee Lee ,  Jong Kyun You ,  Hong Chol Lim

IPC分类号： H01L33/00

CPC分类号： H01L33/22 ,  H01L33/20 ,  H01L33/382

摘要： Provided is a high-efficiency light emitting diode (LED) that includes: a support substrate; a semiconductor stack positioned on the support substrate, the semiconductor stack including a p-type compound semiconductor layer, an active layer, and an n-type compound semiconductor layer; a first electrode positioned between the support substrate and the semiconductor stack and in ohmic contact with the semiconductor stack; a first bonding pad positioned on a portion of the first electrode that is exposed outside of the semiconductor stack; and a second electrode positioned on the semiconductor stack. Protrusions are formed on exposed surfaces of the semiconductor stack. In addition, the second electrode may be positioned between the first electrode and the support substrate and contacted with the n-type compound semiconductor layer through openings of the semiconductor stack.

公开(公告)号：US08772805B2

公开(公告)日：2014-07-08

申请号：US13018557

申请日：2011-02-01

申请人： Kyung Hee Ye ,  Chang Youn Kim ,  Jin Cheol Shin ,  Joon Hee Lee ,  Jong Kyun You ,  Hong Chol Lim

发明人： Kyung Hee Ye ,  Chang Youn Kim ,  Jin Cheol Shin ,  Joon Hee Lee ,  Jong Kyun You ,  Hong Chol Lim

IPC分类号： H01L33/00

CPC分类号： H01L33/46 ,  H01L33/0079 ,  H01L33/20 ,  H01L33/22 ,  H01L33/24 ,  H01L33/387 ,  H01L33/42 ,  H01L33/44

摘要： A high-efficiency light emitting diode including: a semiconductor stack positioned on a support substrate, including a p-type compound semiconductor layer, an active layer, and an n-type compound semiconductor layer; an insulating layer disposed in an opening that divides the p-type compound semiconductor layer and active layer; a transparent electrode layer disposed on the insulating layer and the p-type compound semiconductor layer; a reflective insulating layer covering the transparent electrode layer, to reflect light from the active layer away from the support substrate; a p-electrode covering the reflective insulating layer; and an n-electrode is formed on top of the n-type compound semiconductor layer. The p-electrode is electrically connected to the transparent electrode layer through the insulating layer.

公开(公告)号：US08791483B2

公开(公告)日：2014-07-29

申请号：US13077254

申请日：2011-03-31

申请人： Kyung Hee Ye ,  Chang Youn Kim ,  Jin Cheol Shin ,  Joon Hee Lee ,  Jong Kyun You ,  Hong Chol Lim

发明人： Kyung Hee Ye ,  Chang Youn Kim ,  Jin Cheol Shin ,  Joon Hee Lee ,  Jong Kyun You ,  Hong Chol Lim

IPC分类号： H01L33/00

CPC分类号： H01L33/46 ,  H01L33/0079 ,  H01L33/20 ,  H01L33/22 ,  H01L33/24 ,  H01L33/387 ,  H01L33/42 ,  H01L33/44

摘要： A high-efficiency light emitting diode including: a semiconductor stack positioned on a support substrate, including a p-type compound semiconductor layer, an active layer, and an n-type compound semiconductor layer; an insulating layer disposed in an opening that divides the p-type compound semiconductor layer and active layer; a transparent electrode layer disposed on the insulating layer and the p-type compound semiconductor layer; a reflective insulating layer covering the transparent electrode layer, to reflect light from the active layer away from the support substrate; a p-electrode covering the reflective insulating layer; and an n-electrode is formed on top of the n-type compound semiconductor layer. The p-electrode is electrically connected to the transparent electrode layer through the insulating layer.

摘要翻译： 一种高效率发光二极管，包括：位于支撑基板上的半导体堆叠，包括p型化合物半导体层，有源层和n型化合物半导体层; 设置在分隔所述p型化合物半导体层和有源层的开口中的绝缘层; 设置在绝缘层和p型化合物半导体层上的透明电极层; 覆盖所述透明电极层的反射绝缘层，以将来自所述有源层的光反射离开所述支撑基板; 覆盖反射绝缘层的p电极; 并且在n型化合物半导体层的顶部上形成n电极。 p电极通过绝缘层与透明电极层电连接。

公开(公告)号：US08618565B2

公开(公告)日：2013-12-31

申请号：US12986774

申请日：2011-01-07

申请人： Chang Youn Kim ,  Joon Hee Lee ,  Jong Kyun You ,  Hong Chol Lim

发明人： Chang Youn Kim ,  Joon Hee Lee ,  Jong Kyun You ,  Hong Chol Lim

IPC分类号： H01L33/00

CPC分类号： H01L33/22 ,  H01L33/20 ,  H01L33/382

摘要： Provided is a high-efficiency light emitting diode (LED) that includes: a support substrate; a semiconductor stack positioned on the support substrate, the semiconductor stack including a p-type compound semiconductor layer, an active layer, and an n-type compound semiconductor layer; a first electrode positioned between the support substrate and the semiconductor stack and in ohmic contact with the semiconductor stack; a first bonding pad positioned on a portion of the first electrode that is exposed outside of the semiconductor stack; and a second electrode positioned on the semiconductor stack. Protrusions are formed on exposed surfaces of the semiconductor stack. In addition, the second electrode may be positioned between the first electrode and the support substrate and contacted with the n-type compound semiconductor layer through openings of the semiconductor stack.

摘要翻译： 提供了一种高效率发光二极管（LED），其包括：支撑基板; 位于所述支撑基板上的半导体堆叠，所述半导体堆叠包括p型化合物半导体层，有源层和n型化合物半导体层; 位于所述支撑衬底和所述半导体堆叠之间并与所述半导体堆叠欧姆接触的第一电极; 位于所述第一电极的暴露于所述半导体叠层外部的部分上的第一焊盘; 以及位于半导体堆叠上的第二电极。 突起形成在半导体堆叠的暴露表面上。 此外，第二电极可以位于第一电极和支撑衬底之间，并且通过半导体叠层的开口与n型化合物半导体层接触。