Patents by Inventor Sung Kyoon Kim
Sung Kyoon Kim 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: 10217902Abstract: A light-emitting device includes a substrate, first and second electrode pads, first to M-th light-emitting cells arranged in a line in a first direction between the first and second electrode pads, and first to N-th connection wires for electrically connecting the first to M-th light-emitting cells, wherein each of the first to M-th light-emitting cells comprises a first conductive semiconductor layer, an active layer, and a second conductive semiconductor layer, wherein the first electrode pad is connected to the second conductive semiconductor layer of the first light-emitting cell while the second electrode pad is connected to the first conductive semiconductor layer of the M-th light-emitting cell, and an n-th connection wire electrically connects the first conductive semiconductor layer of an n-th light-emitting cell to the second conductive semiconductor layer of an (n+1)-th light-emitting cell, which are adjacent to each other.Type: GrantFiled: February 26, 2016Date of Patent: February 26, 2019Assignee: LG INNOTEK CO., LTD.Inventors: Sung Kyoon Kim, Min Gyu Na
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Patent number: 10014259Abstract: A light emitting device according to an embodiment includes a substrate; first to Mth light emitting cells (where M is a positive integer of two or more) which are arranged on the substrate so as to be spaced apart from each other; and first to (M?1)th interconnection wires which electrically connect the first to Mth light emitting cells in series, wherein an mth light emitting cell (where 1?m?M) includes a first conductive type semiconductor layer, an active layer and a second conductive type semiconductor layer, which are sequentially arranged on the substrate, and wherein an nth interconnection wire (where 1?n?M?1) interconnects the first conductive type semiconductor of the nth light emitting cell with the second conductive type semiconductor of the (n+1)th light emitting cell, and has a plurality of first branch wires which are spaced apart from each other.Type: GrantFiled: August 11, 2015Date of Patent: July 3, 2018Assignee: LG INNOTEK CO., LTD.Inventors: Sung Kyoon Kim, Chung Song Kim, Ji Hyung Moon
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Publication number: 20180040771Abstract: A light-emitting device includes a substrate, first and second electrode pads, first to M-th light-emitting cells arranged in a line in a first direction between the first and second electrode pads, and first to N-th connection wires for electrically connecting the first to M-th light-emitting cells, wherein each of the first to M-th light-emitting cells comprises a first conductive semiconductor layer, an active layer, and a second conductive semiconductor layer, wherein the first electrode pad is connected to the second conductive semiconductor layer of the first light-emitting cell while the second electrode pad is connected to the first conductive semiconductor layer of the M-th light-emitting cell, and an n-th connection wire electrically connects the first conductive semiconductor layer of an n-th light-emitting cell to the second conductive semiconductor layer of an (n+1)-th light-emitting cell, which are adjacent to each other.Type: ApplicationFiled: February 26, 2016Publication date: February 8, 2018Applicant: LG INNOTEK CO., LTD.Inventors: Sung Kyoon KIM, Min Gyu NA
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Patent number: 9847459Abstract: Disclosed are a light emitting device, a method of manufacturing a light emitting device, a light emitting device package and a lighting system.Type: GrantFiled: November 18, 2016Date of Patent: December 19, 2017Assignee: LG INNOTEK CO., LTD.Inventors: Sung Kyoon Kim, Min Gyu Na, Myeong Soo Kim
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Patent number: 9837577Abstract: A light emitting device includes a substrate, a plurality of light emitting cells disposed on the substrate to be spaced apart from each other, and a connection wire electrically connecting adjacent ones of the light emitting cells. A first separation distance between first adjacent light emitting cells that are not connected by the connection wire among the light emitting cells is smaller than a second separation distance between second adjacent light emitting cells connected by the connection wire among the light emitting cells.Type: GrantFiled: December 26, 2013Date of Patent: December 5, 2017Assignee: LG INNOTEK CO., LTD.Inventors: Sung Kyoon Kim, Young Bong Yoo, Sung Ho Choo
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Patent number: 9812626Abstract: A light emitting device includes a substrate, a plurality of light emitting cells disposed on the substrate to be spaced apart from each other, and a connection wire electrically connecting adjacent ones of the light emitting cells. One of the adjacent light emitting cells includes a plurality of first segments, and the other of the adjacent light emitting cells includes a plurality of second segments respectively facing the first segments. A separation distance is provided between first and second segments facing each other, where each of which has an end contacting the connection wire is greater than a separation distance between first and second segments facing each other, and each of which has an end that does not contact the connection wire.Type: GrantFiled: June 20, 2016Date of Patent: November 7, 2017Assignee: LG INNOTEK CO., LTD.Inventors: Sung Kyoon Kim, Young Bong Yoo, Sung Ho Choo
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Publication number: 20170229398Abstract: A light emitting device according to an embodiment includes a substrate; first to Mth light emitting cells (where M is a positive integer of two or more) which are arranged on the substrate so as to be spaced apart from each other; and first to (M?1)th interconnection wires which electrically connect the first to Mth light emitting cells in series, wherein an mth light emitting cell (where 1?m?M) includes a first conductive type semiconductor layer, an active layer and a second conductive type semiconductor layer, which are sequentially arranged on the substrate, and wherein an nth interconnection wire (where 1?n?M?1) interconnects the first conductive type semiconductor of the nth light emitting cell with the second conductive type semiconductor of the (n+1)th light emitting cell, and has a plurality of first branch wires which are spaced apart from each other.Type: ApplicationFiled: August 11, 2015Publication date: August 10, 2017Applicant: LG INNOTEK CO., LTD.Inventors: Sung Kyoon KIM, Chung Song KIM, Ji Hyung MOON
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Patent number: 9620682Abstract: A light emitting device includes a light emitting structure having a plurality of light emitting regions including a first semiconductor layer, an active layer, a second semiconductor layer, a first electrode in one of the light emitting regions, a second electrode in another of the light emitting regions, and at least one connection electrode to sequentially connect the light emitting regions in series. The light emitting regions connected in series are divided into 1st to ith light emitting region groups. Areas of light emitting regions that belong to different groups are different. An area of a light emitting region which is more frequently used among the plurality of light emitting regions is larger than an area of a light emitting region which is less frequently used among the plurality of light emitting regions.Type: GrantFiled: December 14, 2015Date of Patent: April 11, 2017Assignee: LG Innotek Co., Ltd.Inventors: Sung Kyoon Kim, Yun Kyung Oh, Sung Ho Choo
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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: 20170069795Abstract: Disclosed are a light emitting device, a method of manufacturing a light emitting device, a light emitting device package and a lighting system.Type: ApplicationFiled: November 18, 2016Publication date: March 9, 2017Applicant: LG INNOTEK CO., LTD.Inventors: Sung Kyoon KIM, Min Gyu NA, Myeong Soo KIM
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Patent number: 9525109Abstract: Disclosed are a light emitting device, a method of manufacturing a light emitting device, a light emitting device package and a lighting system.Type: GrantFiled: November 2, 2015Date of Patent: December 20, 2016Assignee: LG INNOTEK CO., LTD.Inventors: Sung Kyoon Kim, Min Gyu Na, Myeong Soo Kim
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Publication number: 20160293819Abstract: A light emitting device includes a substrate, a plurality of light emitting cells disposed on the substrate to be spaced apart from each other, and a connection wire electrically connecting adjacent ones of the light emitting cells. One of the adjacent light emitting cells includes a plurality of first segments, and the other of the adjacent light emitting cells includes a plurality of second segments respectively facing the first segments. A separation distance is provided between first and second segments facing each other, where each of which has an end contacting the connection wire is greater than a separation distance between first and second segments facing each other, and each of which has an end that does not contact the connection wire.Type: ApplicationFiled: June 20, 2016Publication date: October 6, 2016Inventors: Sung Kyoon KIM, Young Bong YOO, Sung Ho CHOO
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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: 9406844Abstract: Provided is a light emitting device. The light emitting device includes a light emitting structure layer comprising a first conductive type semiconductor layer, an active layer, and a second conductive type semiconductor layer. A first electrode is connected to the first conductive type semiconductor layer and includes first pad, plurality of first bridge portions and plurality of first contact portions. A current spreading layer is on a top surface of the second conductive type semiconductor layer. An insulation layer is on an upper surface of the first conductive type semiconductor layer and a top surface of the current spreading layer. A second electrode is on a top surface of the current spreading layer. The plurality of first bridge portions are extended from the first pad at an acute angle to each other.Type: GrantFiled: October 21, 2014Date of Patent: August 2, 2016Assignee: LG Innotek Co., Ltd.Inventors: Byeong Kyun Choi, Sung Kyoon Kim, Woo Sik Lim, Sung Ho Choo
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Patent number: 9397259Abstract: A light emitting device includes a substrate, a plurality of light emitting cells disposed on the substrate to be spaced apart from each other, and a connection wire electrically connecting adjacent ones of the light emitting cells. One of the adjacent light emitting cells includes a plurality of first segments, and the other of the adjacent light emitting cells includes a plurality of second segments respectively facing the first segments. A separation distance is provided between first and second segments facing each other, where each of which has an end contacting the connection wire is greater than a separation distance between first and second segments facing each other, and each of which has an end that does not contact the connection wire.Type: GrantFiled: December 26, 2013Date of Patent: July 19, 2016Assignee: LG INNOTEK CO., LTD.Inventors: Sung Kyoon Kim, Young Bong Yoo, Sung Ho Choo
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Patent number: 9368691Abstract: Disclosed is a light emitting device including a plurality of light emitting cells disposed on a substrate, at least one connection electrode for connecting the light emitting cells, and a first insulating layer disposed between adjacent light emitting cells, wherein each of the light emitting cells includes a light emitting structure including first and second conductive type semiconductor layers and an active layer, and a reflective layer disposed on the second conductive type semiconductor layer, wherein the connection electrode connects the first conductive type semiconductor layer of a first one of the adjacent light emitting cells to the reflective layer of a second one at the adjacent light emitting cells, and wherein a first width of the second conductive type semiconductor layer is the same as or greater than a second width of the reflective layer, and the first direction differs from a thickness direction of the light emitting structure.Type: GrantFiled: January 27, 2015Date of Patent: June 14, 2016Assignee: LG INNOTEK CO., LTD.Inventors: Ji Hyung Moon, Sung Kyoon Kim, Min Gyu Na
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Publication number: 20160126413Abstract: Disclosed are a light emitting device, a method of manufacturing a light emitting device, a light emitting device package and a lighting system.Type: ApplicationFiled: November 2, 2015Publication date: May 5, 2016Applicant: LG INNOTEK CO., LTD.Inventors: Sung Kyoon KIM, Min Gyu NA, Myeong Soo KIM
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Publication number: 20160099384Abstract: A light emitting device includes a light emitting structure having a plurality of light emitting regions including a first semiconductor layer, an active layer, a second semiconductor layer, a first electrode in one of the light emitting regions, a second electrode in another of the light emitting regions, and at least one connection electrode to sequentially connect the light emitting regions in series. The light emitting regions connected in series are divided into 1st to ith light emitting region groups. Areas of light emitting regions that belong to different groups are different. An area of a light emitting region which is more frequently used among the plurality of light emitting regions is larger than an area of a light emitting region which is less frequently used among the plurality of light emitting regions.Type: ApplicationFiled: December 14, 2015Publication date: April 7, 2016Applicant: LG Innotek Co., Ltd.Inventors: Sung Kyoon Kim, Yun Kyung Oh, Sung Ho Choo
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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: 9257613Abstract: Disclosed is a semiconductor light emitting device. The light emitting device includes a first conductive type semiconductor layer; an active layer on the first conductive type semiconductor layer; and a first electrode pad including a plurality of reflective layers on the first conductive type semiconductor layer.Type: GrantFiled: February 5, 2013Date of Patent: February 9, 2016Assignee: LG INNOTEK CO., LTD.Inventors: Geun Ho Kim, Sung Kyoon Kim, Hee Seok Choi