Patents by Inventor Hee Young Beom
Hee Young Beom has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 9735199Abstract: A light emitting device includes a substrate, light emitting cells, each of the light emitting cells including a light emitting structure including lower and upper semiconductor layers, an upper electrode, and a lower electrode, a conductive interconnection layer electrically connecting a lower electrode of a first one of the light emitting cells and an upper electrode of a second one of the light emitting cells, and a current blocking layer disposed to extend from between the upper electrode and the upper semiconductor layer, wherein each light emitting cell further includes a conductive layer arranged to electrically connect the upper electrode of the second light emitting cell to the upper semiconductor layer of the second light emitting cell.Type: GrantFiled: April 7, 2016Date of Patent: August 15, 2017Assignee: LG INNOTEK CO., LTD.Inventors: Byung Yeon Choi, Myeong Soo Kim, Hee Young Beom, Yong Gyeong Lee, Hyun Seoung Ju, Gi Seok Hong
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Patent number: 9640583Abstract: A light emitting structure includes lower and upper semiconductor layers having different conductive types, and an active layer disposed between the lower and upper semiconductor layers. The light emitting structure is provided on the substrate. A first electrode layer provided on the upper semiconductor layer includes a first adhesive layer and a first bonding layer overlapping each other. A reflective layer is not provided between the first adhesive layer and the first bonding layer.Type: GrantFiled: December 8, 2015Date of Patent: May 2, 2017Assignee: LG INNOTEK CO., LTD.Inventors: Byung Yeon Choi, Hee Young Beom, Yong Gyeong Lee, Ji Hwan Lee, Hyun Seoung Ju, Gi Seok Hong
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Patent number: 9601666Abstract: A light emitting device includes a substrate, a plurality of light emitting cells separated from each other and disposed on the substrate, and a plurality of conductive interconnection layers electrically connecting two neighboring light emitting cells. Each light emitting cell includes a light emitting structure including a first conductivity-type semiconductor layer, an active layer and a second conductivity-type semiconductor layer, a first electrode, a second electrode, and an etching area. The light emitting structure further includes a first side surface and a second side surface, and if a width between the first side surface and the second side surface is defined as W, the second electrode is disposed in an area between a position separated from the first side surface by 1 5 ? W and a position separated from the first side surface of the light emitting structure by 1 2 ? W .Type: GrantFiled: January 27, 2016Date of Patent: March 21, 2017Assignee: LG Innotek Co., Ltd.Inventors: Sung Kyoon Kim, Hee Young Beom, Hyun Seoung Ju, Byung Yeon Choi
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Publication number: 20160225816Abstract: A light emitting device includes a substrate, light emitting cells, each of the light emitting cells including a light emitting structure including lower and upper semiconductor layers, an upper electrode, and a lower electrode, a conductive interconnection layer electrically connecting a lower electrode of a first one of the light emitting cells and an upper electrode of a second one of the light emitting cells, and a current blocking layer disposed to extend from between the upper electrode and the upper semiconductor layer, wherein each light emitting cell further includes a conductive layer arranged to electrically connect the upper electrode of the second light emitting cell to the upper semiconductor layer of the second light emitting cell.Type: ApplicationFiled: April 7, 2016Publication date: August 4, 2016Inventors: Byung Yeon Choi, Myeong Soo Kim, Hee Young Beom, Yong Gyeong Lee, Hyun Seoung Ju, Gi Seok Hong
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Publication number: 20160225954Abstract: A light emitting device includes a substrate, a plurality of light emitting cells separated from each other and disposed on the substrate, and a plurality of conductive interconnection layers electrically connecting two neighboring light emitting cells. Each light emitting cell includes a light emitting structure including a first conductivity-type semiconductor layer, an active layer and a second conductivity-type semiconductor layer, a first electrode, a second electrode, and an etching area. The light emitting structure further includes a first side surface and a second side surface, and if a width between the first side surface and the second side surface is defined as W, the second electrode is disposed in an area between a position separated from the first side surface by 1 5 ? W and a position separated from the first side surface of the light emitting structure by 1 2 ? W .Type: ApplicationFiled: January 27, 2016Publication date: August 4, 2016Inventors: Sung Kyoon KIM, Hee Young Beom, Hyun Seoung Ju, Byung Yeon Choi
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Patent number: 9337236Abstract: A light emitting device includes a substrate, light emitting cells, each of the light emitting cells including a light emitting structure including lower and upper semiconductor layers, an upper electrode, and a lower electrode, a conductive interconnection layer electrically connecting a lower electrode of a first one of the light emitting cells and an upper electrode of a second one of the light emitting cells, and a current blocking layer disposed to extend from between the upper electrode and the upper semiconductor layer, wherein each light emitting cell further includes a conductive layer arranged to electrically connect the upper electrode of the second light emitting cell to the upper semiconductor layer of the second light emitting cell.Type: GrantFiled: December 4, 2013Date of Patent: May 10, 2016Assignee: LG INNOTEK CO., LTD.Inventors: Byung Yeon Choi, Myeong Soo Kim, Hee Young Beom, Yong Gyeong Lee, Hyun Seoung Ju, Gi Seok Hong
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Publication number: 20160093667Abstract: A light emitting structure includes lower and upper semiconductor layers having different conductive types, and an active layer disposed between the lower and upper semiconductor layers. The light emitting structure is provided on the substrate. A first electrode layer provided on the upper semiconductor layer includes a first adhesive layer and a first bonding layer overlapping each other. A reflective layer is not provided between the first adhesive layer and the first bonding layer.Type: ApplicationFiled: December 8, 2015Publication date: March 31, 2016Inventors: Byung Yeon CHOI, Hee Young Beom, Yong Gyeong Lee, Ji Hwan Lee, Hyun Seoung Ju, Gi Seok Hong
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Patent number: 9281449Abstract: A light emitting device includes a substrate, a plurality of light emitting cells separated from each other and disposed on the substrate, and a plurality of conductive interconnection layers electrically connecting two neighboring light emitting cells. Each light emitting cell includes a light emitting structure including a first conductivity-type semiconductor layer, an active layer and a second conductivity-type semiconductor layer, a first electrode, a second electrode, and an etching area. The light emitting structure further includes a first side surface and a second side surface, and if a width between the first side surface and the second side surface is defined as W, the second electrode is disposed in an area between a position separated from the first side surface by ? W and a position separated from the first side surface of the light emitting structure by ½ W.Type: GrantFiled: November 5, 2013Date of Patent: March 8, 2016Assignee: LG Innotek Co., Ltd.Inventors: Sung Kyoon Kim, Hee Young Beom, Hyun Seoung Ju, Byung Yeon Choi
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Patent number: 9236526Abstract: A light emitting structure includes lower and upper semiconductor layers having different conductive types, and an active layer disposed between the lower and upper semiconductor layers. The light emitting structure is provided on the substrate. A first electrode layer provided on the upper semiconductor layer includes a first adhesive layer and a first bonding layer overlapping each other. A reflective layer is not provided between the first adhesive layer and the first bonding layer.Type: GrantFiled: October 24, 2013Date of Patent: January 12, 2016Assignee: LG INNOTEK CO., LTD.Inventors: Byung Yeon Choi, Hee Young Beom, Yong Gyeong Lee, Ji Hwan Lee, Hyun Seoung Ju, Gi Seok Hong
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Patent number: 8878212Abstract: A light emitting device includes a substrate, at least one electrode, a first contact layer, a second contact layer, a light emitting structure layer, and an electrode layer. The electrode is disposed through the substrate. The first contact layer is disposed on a top surface of the substrate and electrically connected to the electrode. The second contact layer is disposed on a bottom surface of the substrate and electrically connected to the electrode. The light emitting structure layer is disposed above the substrate at a distance from the substrate and electrically connected to the first contact layer. The light emitting structure layer includes a first conductive type semiconductor layer, an active layer, and a second conductive type semiconductor layer. The electrode layer is disposed on the light emitting structure layer.Type: GrantFiled: February 3, 2011Date of Patent: November 4, 2014Assignee: LG Innotek Co., Ltd.Inventors: Woo Sik Lim, Sung Kyoon Kim, Sung Ho Choo, Hee Young Beom
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Patent number: 8829541Abstract: Provided are a light emitting device, a light emitting device package, and a lighting system. The light emitting device includes a crystalline substrate having a plurality of side surfaces, a light emitting structure layer comprising a first conductive type semiconductor layer, an active layer, and a second conductive type semiconductor layer on the substrate, and a first electrode on the first conductive type semiconductor layer and a second electrode on the second conductive type semiconductor layer. An amorphous region is defined in a side surface of the substrate, and the amorphous regions of two sides adjacent to each other have different depths from a top surface of the substrate.Type: GrantFiled: June 20, 2011Date of Patent: September 9, 2014Assignee: LG Innotek Co., Ltd.Inventors: MyeongSoo Kim, SungKyoon Kim, Woo Sik Lim, Sung Ho Choo, Hee Young Beom, Min Gyu Na
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Publication number: 20140159071Abstract: A light emitting device includes a substrate, light emitting cells, each of the light emitting cells including a light emitting structure including lower and upper semiconductor layers, an upper electrode, and a lower electrode, a conductive interconnection layer electrically connecting a lower electrode of a first one of the light emitting cells and an upper electrode of a second one of the light emitting cells, and a current blocking layer disposed to extend from between the upper electrode and the upper semiconductor layer, wherein each light emitting cell further includes a conductive layer arranged to electrically connect the upper electrode of the second light emitting cell to the upper semiconductor layer of the second light emitting cell.Type: ApplicationFiled: December 4, 2013Publication date: June 12, 2014Inventors: Byung Yeon CHOI, Myeong Soo Kim, Hee Young Beom, Yong Gyeong Lee, Hyun Seoung Ju, Gi Seok Hong
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Publication number: 20140131657Abstract: A light emitting device includes a substrate, a plurality of light emitting cells separated from each other and disposed on the substrate, and a plurality of conductive interconnection layers electrically connecting two neighboring light emitting cells. Each light emitting cell includes a light emitting structure including a first conductivity-type semiconductor layer, an active layer and a second conductivity-type semiconductor layer, a first electrode, a second electrode, and an etching area. The light emitting structure further includes a first side surface and a second side surface, and if a width between the first side surface and the second side surface is defined as W, the second electrode is disposed in an area between a position separated from the first side surface by ? W and a position separated from the first side surface of the light emitting structure by ½ W.Type: ApplicationFiled: November 5, 2013Publication date: May 15, 2014Inventors: Sung Kyoon KIM, Hee Young BEOM, Hyun Seoung JU, Byung Yeon CHOI
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Publication number: 20140124730Abstract: A light emitting structure includes lower and upper semiconductor layers having different conductive types, and an active layer disposed between the lower and upper semiconductor layers. The light emitting structure is provided on the substrate. A first electrode layer provided on the upper semiconductor layer includes a first adhesive layer and a first bonding layer overlapping each other. A reflective layer is not provided between the first adhesive layer and the first bonding layer.Type: ApplicationFiled: October 24, 2013Publication date: May 8, 2014Inventors: Byung Yeon CHOI, Hee Young Beom, Yong Gyeong Lee, Ji Hwan Lee, Hyun Seoung Ju, Gi Seok Hong
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Patent number: 8564008Abstract: Provided are a light emitting device, a method for fabricating the light emitting device, a light emitting device package, and a lighting system. The light emitting device includes a first conductive type semiconductor layer having a first top surface and a second top surface under the first top surface, an active layer on the first top surface of the first conductive type semiconductor layer, a second conductive type semiconductor layer on the active layer, a first electrode on the second top surface of the first conductive type semiconductor layer, an intermediate refractive layer on the second top surface of the first conductive type semiconductor layer, and a second electrode connected to the second conductive type semiconductor layer.Type: GrantFiled: March 28, 2011Date of Patent: October 22, 2013Assignee: LG Innotek Co. Ltd.Inventors: Hee Young Beom, Min Gyu Na
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Patent number: 8507944Abstract: Disclosed herein is a light emitting device including a first nitride semiconductor and a second nitride semiconductor, each of which includes a first conductivity-type semiconductor layer, an active layer and a second conductivity-type semiconductor layer, and a connection layer formed between the second conductivity-type semiconductor layer of the second nitride semiconductor and the first conductivity-type semiconductor layer of the first nitride semiconductor, wherein the first nitride semiconductor and the second nitride semiconductor are connected by the connection layer, and the light emitting device further comprises electrodes formed on at least a part of the second conductivity-type semiconductor layer of the first nitride semiconductor, at least a part of the first conductivity-type semiconductor layer of the second nitride semiconductor, and at least a part of the second conductivity-type semiconductor layer of the second nitride semiconductor.Type: GrantFiled: May 24, 2011Date of Patent: August 13, 2013Assignee: LG Innotek Co., Ltd.Inventors: Sung Kyoon Kim, Hee Young Beom, Sung Ho Choo
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Patent number: 8415699Abstract: Disclosed are a light emitting device, a light emitting device package, and an illumination system. The light emitting device includes a substrate; a light emitting structure layer including a first conductive type semiconductor layer formed on the substrate and having first and second upper surfaces, in which the second upper surface is closer to the substrate than the first upper surface, an active layer on the first conductive type semiconductor layer, and a second conductive type semiconductor layer on the active layer; a second electrode on the second conductive type semiconductor layer; and at least one first electrode extending at least from the second upper surface of the first conductive type semiconductor layer to a lower surface of the substrate by passing through the substrate.Type: GrantFiled: January 11, 2011Date of Patent: April 9, 2013Assignee: LG Innotek Co., Ltd.Inventors: Sung Kyoon Kim, Hee Young Beom, Woo Sik Lim, Min Gyu Na
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Patent number: 8304800Abstract: A light emitting device includes a substrate, a light emitting structure including a first conductive semiconductor layer having an exposed region, an active layer, and a second conductive semiconductor layer on the substrate, a first electrode on the exposed region of the first conductive semiconductor layer, and a second electrode on the second conductive semiconductor layer, wherein a side of the light emitting structure includes a first sloped side sloped from a reference plane, the first sloped side includes a concave-convex pattern having a concave-convex structure in which a first direction length is greater than a second direction length, the reference plane is a plane perpendicular to a direction in which the substrate faces the light emitting structure, and the first direction is a sloped direction of the first sloped side and the second direction is a lateral direction of the first sloped side.Type: GrantFiled: April 8, 2011Date of Patent: November 6, 2012Assignee: LG Innotek Co., Ltd.Inventors: Hee Young Beom, Sung Kyoon Kim
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Publication number: 20110309383Abstract: Provided are a light emitting device, a light emitting device package, and a lighting system. The light emitting device includes a crystalline substrate having a plurality of side surfaces, a light emitting structure layer comprising a first conductive type semiconductor layer, an active layer, and a second conductive type semiconductor layer on the substrate, and a first electrode on the first conductive type semiconductor layer and a second electrode on the second conductive type semiconductor layer. An amorphous region is defined in a side surface of the substrate, and the amorphous regions of two sides adjacent to each other have different depths from a top surface of the substrate.Type: ApplicationFiled: June 20, 2011Publication date: December 22, 2011Applicant: LG INNOTEK CO., LTD.Inventors: MyeongSoo Kim, SungKyoon Kim, Woo Sik Lim, Sung Ho Choo, Hee Young Beom, Min Gyu Na
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Publication number: 20110284894Abstract: A light emitting device includes a substrate, a light emitting structure including a first conductive semiconductor layer having an exposed region, an active layer, and a second conductive semiconductor layer on the substrate, a first electrode on the exposed region of the first conductive semiconductor layer, and a second electrode on the second conductive semiconductor layer, wherein a side of the light emitting structure includes a first sloped side sloped from a reference plane, the first sloped side includes a concave-convex pattern having a concave-convex structure in which a first direction length is greater than a second direction length, the reference plane is a plane perpendicular to a direction in which the substrate faces the light emitting structure, and the first direction is a sloped direction of the first sloped side and the second direction is a lateral direction of the first sloped side.Type: ApplicationFiled: April 8, 2011Publication date: November 24, 2011Inventors: Hee Young Beom, Sung Kyoon Kim