公开(公告)号：US20100078656A1

公开(公告)日：2010-04-01

申请号：US12570456

申请日：2009-09-30

申请人： Won Cheol SEO ,  Joon Hee Lee ,  Jong Kyun You ,  Chang Youn Kim ,  Jin Cheul Shin ,  Hwa Mok Kim ,  Jang Woo Lee ,  Yeo Jin Yoon ,  Jong Kyu Kim

发明人： Won Cheol SEO ,  Joon Hee Lee ,  Jong Kyun You ,  Chang Youn Kim ,  Jin Cheul Shin ,  Hwa Mok Kim ,  Jang Woo Lee ,  Yeo Jin Yoon ,  Jong Kyu Kim

IPC分类号： H01L33/00

CPC分类号： H01L33/60 ,  H01L25/0753 ,  H01L27/156 ,  H01L33/007 ,  H01L33/0079 ,  H01L33/06 ,  H01L33/22 ,  H01L33/32 ,  H01L33/46 ,  H01L33/62 ,  H01L2924/0002 ,  H01L2933/0058 ,  H01L2933/0066 ,  H01L2924/00

摘要： Disclosed are a light emitting device and a method of fabricating the same. The light emitting device comprises a substrate. A plurality of light emitting cells are disposed on top of the substrate to be spaced apart from one another. Each of the light emitting cells comprises a first upper semiconductor layer, an active layer, and a second lower semiconductor layer. Reflective metal layers are positioned between the substrate and the light emitting cells. The reflective metal layers are prevented from being exposed to the outside.

摘要翻译： 公开了一种发光器件及其制造方法。 发光器件包括衬底。 多个发光单元设置在基板的顶部上以彼此间隔开。 每个发光单元包括第一上半导体层，有源层和第二下半导体层。 反射金属层位于基板和发光单元之间。 防止反射金属层暴露于外部。

公开(公告)号：US09059015B2

公开(公告)日：2015-06-16

申请号：US13237778

申请日：2011-09-20

申请人： Won Cheol Seo ,  Joon Hee Lee ,  Jong Kyun You ,  Chang Youn Kim ,  Jin Cheul Shin ,  Hwa Mok Kim ,  Jang Woo Lee ,  Yeo Jin Yoon ,  Jong Kyu Kim

发明人： Won Cheol Seo ,  Joon Hee Lee ,  Jong Kyun You ,  Chang Youn Kim ,  Jin Cheul Shin ,  Hwa Mok Kim ,  Jang Woo Lee ,  Yeo Jin Yoon ,  Jong Kyu Kim

IPC分类号： H01L25/075 ,  H01L27/15 ,  H01L33/62 ,  H01L33/00 ,  H01L33/46

CPC分类号： H01L33/60 ,  H01L25/0753 ,  H01L27/156 ,  H01L33/007 ,  H01L33/0079 ,  H01L33/06 ,  H01L33/22 ,  H01L33/32 ,  H01L33/46 ,  H01L33/62 ,  H01L2924/0002 ,  H01L2933/0058 ,  H01L2933/0066 ,  H01L2924/00

摘要： Disclosed are a light emitting device and a method of fabricating the same. The light emitting device comprises a substrate. A plurality of light emitting cells are disposed on top of the substrate to be spaced apart from one another. Each of the light emitting cells comprises a first upper semiconductor layer, an active layer, and a second lower semiconductor layer. Reflective metal layers are positioned between the substrate and the light emitting cells. The reflective metal layers are prevented from being exposed to the outside.

摘要翻译： 公开了一种发光器件及其制造方法。 发光器件包括衬底。 多个发光单元设置在基板的顶部上以彼此间隔开。 每个发光单元包括第一上半导体层，有源层和第二下半导体层。 反射金属层位于基板和发光单元之间。 防止反射金属层暴露于外部。

公开(公告)号：US08648369B2

公开(公告)日：2014-02-11

申请号：US13073794

申请日：2011-03-28

申请人： Won Cheol Seo ,  Joon Hee Lee ,  Jong Kyun You ,  Chang Youn Kim ,  Jin Cheul Shin ,  Hwa Mok Kim ,  Jang Woo Lee ,  Yeo Jin Yoon ,  Jong Kyu Kim

发明人： Won Cheol Seo ,  Joon Hee Lee ,  Jong Kyun You ,  Chang Youn Kim ,  Jin Cheul Shin ,  Hwa Mok Kim ,  Jang Woo Lee ,  Yeo Jin Yoon ,  Jong Kyu Kim

IPC分类号： H01L33/60

CPC分类号： H01L33/60 ,  H01L25/0753 ,  H01L27/156 ,  H01L33/007 ,  H01L33/0079 ,  H01L33/06 ,  H01L33/22 ,  H01L33/32 ,  H01L33/46 ,  H01L33/62 ,  H01L2924/0002 ,  H01L2933/0058 ,  H01L2933/0066 ,  H01L2924/00

摘要： Disclosed are a light emitting device and a method of fabricating the same. The light emitting device comprises a substrate. A plurality of light emitting cells are disposed on top of the substrate to be spaced apart from one another. Each of the light emitting cells comprises a first upper semiconductor layer, an active layer, and a second lower semiconductor layer. Reflective metal layers are positioned between the substrate and the light emitting cells. The reflective metal layers are prevented from being exposed to the outside.

摘要翻译： 公开了一种发光器件及其制造方法。 发光器件包括衬底。 多个发光单元设置在基板的顶部上以彼此间隔开。 每个发光单元包括第一上半导体层，有源层和第二下半导体层。 反射金属层位于基板和发光单元之间。 防止反射金属层暴露于外部。

公开(公告)号：US08624159B2

公开(公告)日：2014-01-07

申请号：US13410884

申请日：2012-03-02

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

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

IPC分类号： B23K26/02

CPC分类号： H01L33/0079

摘要： An approach is provided for fabricating a light emitting diode using a laser lift-off apparatus. The approach includes growing an epitaxial layer including a first conductive-type compound semiconductor layer, an active layer and a second conductive-type compound semiconductor layer on a first substrate, bonding a second substrate, having a different thermal expansion coefficient from that of the first substrate, to the epitaxial layers at a first temperature of the first substrate higher than a room temperature, and separating the first substrate from the epitaxial layer by irradiating a laser beam through the first substrate at a second temperature of the first substrate higher than the room temperature but not more than the first temperature.

摘要翻译： 提供了一种使用激光剥离装置制造发光二极管的方法。 该方法包括在第一衬底上生长包括第一导电型化合物半导体层，有源层和第二导电型化合物半导体层的外延层，将具有不同于第一衬底的热膨胀系数不同的第二衬底 衬底，在第一衬底的高于室温的第一温度下到外延层，并且通过在第一衬底的高于室的第二温度下照射穿过第一衬底的激光束将第一衬底与外延层分离 温度不高于第一温度。

公开(公告)号：US08288781B2

公开(公告)日：2012-10-16

申请号：US12570456

申请日：2009-09-30

申请人： Won Cheol Seo ,  Joon Hee Lee ,  Jong Kyun You ,  Chang Youn Kim ,  Jin Cheul Shin ,  Hwa Mok Kim ,  Jang Woo Lee ,  Yeo Jin Yoon ,  Jong Kyu Kim

发明人： Won Cheol Seo ,  Joon Hee Lee ,  Jong Kyun You ,  Chang Youn Kim ,  Jin Cheul Shin ,  Hwa Mok Kim ,  Jang Woo Lee ,  Yeo Jin Yoon ,  Jong Kyu Kim

IPC分类号： H01L33/00

CPC分类号： H01L33/60 ,  H01L25/0753 ,  H01L27/156 ,  H01L33/007 ,  H01L33/0079 ,  H01L33/06 ,  H01L33/22 ,  H01L33/32 ,  H01L33/46 ,  H01L33/62 ,  H01L2924/0002 ,  H01L2933/0058 ,  H01L2933/0066 ,  H01L2924/00

摘要： Disclosed are a light emitting device and a method of fabricating the same. The light emitting device comprises a substrate. A plurality of light emitting cells are disposed on top of the substrate to be spaced apart from one another. Each of the light emitting cells comprises a first upper semiconductor layer, an active layer, and a second lower semiconductor layer. Reflective metal layers are positioned between the substrate and the light emitting cells. The reflective metal layers are prevented from being exposed to the outside.

摘要翻译： 公开了一种发光器件及其制造方法。 发光器件包括衬底。 多个发光单元设置在基板的顶部上以彼此间隔开。 每个发光单元包括第一上半导体层，有源层和第二下半导体层。 反射金属层位于基板和发光单元之间。 防止反射金属层暴露于外部。

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：US08153509B2

公开(公告)日：2012-04-10

申请号：US12693907

申请日：2010-01-26

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

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

IPC分类号： H01L21/329 ,  H01L33/02 ,  H01L21/428

CPC分类号： H01L33/0079

摘要： Disclosed is a method of fabricating a light emitting diode using a laser lift-off apparatus. The method includes growing an epitaxial layer including a first conductive-type compound semiconductor layer, an active layer and a second conductive-type compound semiconductor layer on a first substrate, bonding a second substrate, having a different thermal expansion coefficient from that of the first substrate, to the epitaxial layers at a first temperature of the first substrate higher than a room temperature, and separating the first substrate from the epitaxial layer by irradiating a laser beam through the first substrate at a second temperature of the first substrate higher than the room temperature but not more than the first temperature. Thus, during a laser lift-off process, focusing of the laser beam can be easily achieved and the epitaxial layers are prevented from cracking or fracture. The laser lift-off process is performed by a laser lift-off apparatus including a heater.

摘要翻译： 公开了使用激光剥离装置制造发光二极管的方法。 该方法包括在第一衬底上生长包括第一导电类型化合物半导体层，有源层和第二导电型化合物半导体层的外延层，将具有不同于第一衬底的热膨胀系数不同的第二衬底 衬底，在第一衬底的高于室温的第一温度下到外延层，并且通过在第一衬底的高于室的第二温度下照射穿过第一衬底的激光束将第一衬底与外延层分离 温度不高于第一温度。 因此，在激光剥离过程中，可以容易地实现激光束的聚焦，并且防止外延层破裂或断裂。 激光剥离处理由包括加热器的激光剥离装置进行。

公开(公告)号：US20110053302A1

公开(公告)日：2011-03-03

申请号：US12693907

申请日：2010-01-26

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

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

IPC分类号： H01L33/00 ,  B23K26/00

CPC分类号： H01L33/0079

摘要： Disclosed is a method of fabricating a light emitting diode using a laser lift-off apparatus. The method includes growing an epitaxial layer including a first conductive-type compound semiconductor layer, an active layer and a second conductive-type compound semiconductor layer on a first substrate, bonding a second substrate, having a different thermal expansion coefficient from that of the first substrate, to the epitaxial layers at a first temperature of the first substrate higher than a room temperature, and separating the first substrate from the epitaxial layer by irradiating a laser beam through the first substrate at a second temperature of the first substrate higher than the room temperature but not more than the first temperature. Thus, during a laser lift-off process, focusing of the laser beam can be easily achieved and the epitaxial layers are prevented from cracking or fracture. The laser lift-off process is performed by a laser lift-off apparatus including a heater.

摘要翻译： 公开了使用激光剥离装置制造发光二极管的方法。 该方法包括在第一衬底上生长包括第一导电类型化合物半导体层，有源层和第二导电型化合物半导体层的外延层，将具有不同于第一衬底的热膨胀系数不同的第二衬底 衬底，在第一衬底的高于室温的第一温度下到外延层，并且通过在第一衬底的高于室的第二温度下照射穿过第一衬底的激光束将第一衬底与外延层分离 温度不高于第一温度。 因此，在激光剥离过程中，可以容易地实现激光束的聚焦，并且防止外延层破裂或断裂。 激光剥离处理由包括加热器的激光剥离装置进行。

公开(公告)号：US20120021546A1

公开(公告)日：2012-01-26

申请号：US13137124

申请日：2011-07-21

申请人： Chang Youn Kim ,  Shiro Sakai ,  Hwa Mok Kim ,  Joon Hee Lee ,  Soo Young Moon ,  Kyoung Wan Kim

发明人： Chang Youn Kim ,  Shiro Sakai ,  Hwa Mok Kim ,  Joon Hee Lee ,  Soo Young Moon ,  Kyoung Wan Kim

IPC分类号： H01L33/32

CPC分类号： H01L33/007 ,  H01L21/0242 ,  H01L21/02458 ,  H01L21/02488 ,  H01L21/02491 ,  H01L21/02502 ,  H01L21/0254 ,  H01L21/02639 ,  H01L33/005 ,  H01L33/0079

摘要： The present invention provides a method of fabricating a semiconductor substrate and a method of fabricating a light emitting device. The method includes forming a first semiconductor layer on a substrate, forming a metallic material layer on the first semiconductor layer, forming a second semiconductor layer on the first semiconductor layer and the metallic material layer, wherein a void is formed in a first portion of the first semiconductor layer under the metallic material layer during formation of the second semiconductor layer, and separating the substrate from the second semiconductor layer by etching at least a second portion of the first semiconductor layer using a chemical solution.

公开(公告)号：US20110053303A1

公开(公告)日：2011-03-03

申请号：US12805958

申请日：2010-08-26

申请人： Chang Youn Kim ,  Shiro Sakai ,  Hwa Mok Kim ,  Joon Hee Lee ,  Soo Young Moon ,  Kyoung Wan Kim

发明人： Chang Youn Kim ,  Shiro Sakai ,  Hwa Mok Kim ,  Joon Hee Lee ,  Soo Young Moon ,  Kyoung Wan Kim

IPC分类号： H01L33/00 ,  H01L21/20

CPC分类号： H01L33/007 ,  H01L21/0242 ,  H01L21/02458 ,  H01L21/02488 ,  H01L21/02491 ,  H01L21/02502 ,  H01L21/0254 ,  H01L21/02639 ,  H01L33/005 ,  H01L33/0079

摘要： The present invention provides a method of fabricating a semiconductor substrate and a method of fabricating a light emitting device. The method includes forming a first semiconductor layer on a substrate, forming a metallic material layer on the first semiconductor layer, forming a second semiconductor layer on the first semiconductor layer and the metallic material layer, wherein a void is formed in a first portion of the first semiconductor layer under the metallic material layer during formation of the second semiconductor layer, and separating the substrate from the second semiconductor layer by etching at least a second portion of the first semiconductor layer using a chemical solution.