Patents by Inventor Duk-Hyun Park

Duk-Hyun Park 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).

  • Patent number: 12107188
    Abstract: An embodiment provides a semiconductor device comprising: a substrate; a bonding layer disposed on the substrate; an electrode layer disposed on the bonding layer; a semiconductor structure disposed on the electrode layer and including a first conductive semiconductor layer, a second conductive semiconductor layer, and an active layer disposed between the first conductive semiconductor layer and the second conductive semiconductor layer; a first electrode electrically connected to the first conductive semiconductor layer; and a second electrode electrically connected to the second conductive semiconductor layer, wherein the second conductive semiconductor layer includes a through-hole, and the second electrode is disposed in the through-hole so as to be electrically connected to the electrode layer.
    Type: Grant
    Filed: July 2, 2019
    Date of Patent: October 1, 2024
    Assignee: SUZHOU LEKIN SEMICONDUCTOR CO., LTD.
    Inventors: Duk Hyun Park, Byung Hak Jeong, Jee Yun Lee
  • Patent number: 11217724
    Abstract: A semiconductor device according to the present invention comprises: a conductive substrate; a semiconductor structure disposed on the conductive substrate and comprising a first conductive-type semiconductor layer, a second conductive-type semiconductor layer, and an active layer disposed between the first conductive-type semiconductor layer and the second conductive-type semiconductor layer; and a first electrode disposed on the semiconductor structure and electrically connected to the first conductive-type semiconductor layer, wherein the semiconductor structure further comprises a 1-1 conductive-type semiconductor layer between the first conductive-type semiconductor layer and the first electrode; and the top surface of the semiconductor structure comprises a flat part, on which the first electrode is disposed, and a concave-convex part surrounding the flat part, wherein a second distance, which is from the bottom surface of the semiconductor structure to the bottom surface of the concave-convex part cont
    Type: Grant
    Filed: June 7, 2018
    Date of Patent: January 4, 2022
    Assignee: SUZHOU LEKIN SEMICONDUCTOR CO., LTD.
    Inventors: Duk Hyun Park, Byung Hak Jeong
  • Publication number: 20210288219
    Abstract: An embodiment provides a semiconductor device comprising: a substrate; a bonding layer disposed on the substrate; an electrode layer disposed on the bonding layer; a semiconductor structure disposed on the electrode layer and including a first conductive semiconductor layer, a second conductive semiconductor layer, and an active layer disposed between the first conductive semiconductor layer and the second conductive semiconductor layer; a first electrode electrically connected to the first conductive semiconductor layer; and a second electrode electrically connected to the second conductive semiconductor layer, wherein the second conductive semiconductor layer includes a through-hole, and the second electrode is disposed in the through-hole so as to be electrically connected to the electrode layer.
    Type: Application
    Filed: July 2, 2019
    Publication date: September 16, 2021
    Applicant: SUZHOU LEKIN SEMICONDUCTOR CO., LTD.
    Inventors: Duk Hyun PARK, Byung Hak JEONG, Jee Yun LEE
  • Patent number: 10636943
    Abstract: A light emitting device of an embodiment comprises: a lower electrode; a light emitting structure disposed on the lower electrode and including a first conductive semiconductor layer, an active layer, and a second conductive semiconductor layer; an upper electrode pad disposed on the light emitting structure; at least one branch electrode connected to the upper electrode pad; and an upper ohmic layer disposed below the at least one branch electrode, wherein the upper electrode pad may include at least one connecting electrode connected to at least one branch electrode, and at least one connecting electrode may be integrally formed with the upper electrode pad and may project at certain intervals from a side surface of the upper electrode pad.
    Type: Grant
    Filed: August 5, 2016
    Date of Patent: April 28, 2020
    Assignee: LG INNOTEK CO., LTD.
    Inventors: Duk Hyun Park, Sung Wook Moon, Sang Rock Park, Byung Hak Jeong
  • Patent number: 10615311
    Abstract: An embodiment discloses a light emitting device and a display comprising the same.
    Type: Grant
    Filed: April 21, 2017
    Date of Patent: April 7, 2020
    Assignee: LG INNOTEK CO., LTD.
    Inventors: Duk Hyun Park, Eun Bin Ko, Sung Wook Moon, Sang Rock Park, Young Kuen Jung, Ki Yong Hong, Byung Hak Jeong
  • Publication number: 20200035859
    Abstract: A semiconductor device according to the present invention comprises: a conductive substrate; a semiconductor structure disposed on the conductive substrate and comprising a first conductive-type semiconductor layer, a second conductive-type semiconductor layer, and an active layer disposed between the first conductive-type semiconductor layer and the second conductive-type semiconductor layer; and a first electrode disposed on the semiconductor structure and electrically connected to the first conductive-type semiconductor layer, wherein the semiconductor structure further comprises a 1-1 conductive-type semiconductor layer between the first conductive-type semiconductor layer and the first electrode; and the top surface of the semiconductor structure comprises a flat part, on which the first electrode is disposed, and a concave-convex part surrounding the flat part, wherein a second distance, which is from the bottom surface of the semiconductor structure to the bottom surface of the concave-convex part cont
    Type: Application
    Filed: June 7, 2018
    Publication date: January 30, 2020
    Applicant: LG INNOTEK CO., LTD.
    Inventors: Duk Hyun PARK, Byung Hak JEONG
  • Publication number: 20190305186
    Abstract: An embodiment provides a light-emitting element comprising: a light-emitting structure including a first conductive semiconductor layer, an active layer, and a second conductive semiconductor layer; a first ohmic layer disposed on the first conductive semiconductor layer and having an opening part formed through a first region thereof; a first electrode disposed on a second region of the ohmic layer, and a second electrode disposed on the second conductive semiconductor layer.
    Type: Application
    Filed: December 13, 2016
    Publication date: October 3, 2019
    Applicant: LG INNOTEK CO., LTD.
    Inventor: Duk Hyun PARK
  • Publication number: 20190148601
    Abstract: An embodiment discloses a light emitting device and a display comprising the same.
    Type: Application
    Filed: April 21, 2017
    Publication date: May 16, 2019
    Inventors: Duk Hyun PARK, Eun Bin KO, Sung Wook MOON, Sang Rock PARK, Young Kuen JUNG, Ki Yong HONG, Byung Hak JEONG
  • Publication number: 20180219131
    Abstract: A light emitting device of an embodiment comprises: a lower electrode; a light emitting structure disposed on the lower electrode and including a first conductive semiconductor layer, an active layer, and a second conductive semiconductor layer; an upper electrode pad disposed on the light emitting structure; at least one branch electrode connected to the upper electrode pad; and an upper ohmic layer disposed below the at least one branch electrode, wherein the upper electrode pad may include at least one connecting electrode connected to at least one branch electrode, and at least one connecting electrode may be integrally formed with the upper electrode pad and may project at certain intervals from a side surface of the upper electrode pad.
    Type: Application
    Filed: August 5, 2016
    Publication date: August 2, 2018
    Inventors: Duk Hyun PARK, Sung Wook MOON, Sang Rock PARK, Byung Hak JEONG
  • Patent number: 9537056
    Abstract: Provided is a light emitting device. In one embodiment, a light emitting device including: a support member; a light emitting structure on the support member, the light emitting structure comprising a first conductive type semiconductor layer, a second conductive type semiconductor layer, and an active layer between the first conductive type semiconductor layer and the second conductive type semiconductor layer; a protective member at a peripheral region of an upper surface of the support member; an electrode including an upper portion being on the first conductive type semiconductor layer, a side portion extended from the upper portion and being on a side surface of the light emitting structure, and an extended portion extended from the side portion and being on the protective member; and an insulation layer between the side surface of the light emitting structure and the electrode.
    Type: Grant
    Filed: April 10, 2014
    Date of Patent: January 3, 2017
    Assignee: LG INNOTEK CO., LTD.
    Inventors: Jung Hyeok Bae, Young Kyu Jeong, Kyung Wook Park, Duk Hyun Park
  • Patent number: 9076947
    Abstract: Provided is a light emitting device. The light emitting device comprises: In one embodiment, a light emitting device includes: a light emitting structure comprising a first conductive type semiconductor layer, a second conductive type semiconductor layer, and an active layer between the first conductive type semiconductor layer and the second conductive type semiconductor layer; and a conductive support member under the light emitting structure. The conductive support member comprises a first conductive support member and a second conductive support member. The second conductive support member has a thermal conductivity higher than that of the first conductive support member.
    Type: Grant
    Filed: March 31, 2014
    Date of Patent: July 7, 2015
    Assignee: LG Innotek Co., Ltd.
    Inventors: Jung Hyeok Bae, Young Kyu Jeong, Kyung Wook Park, Duk Hyun Park
  • Publication number: 20140252394
    Abstract: Provided is a light emitting device. In one embodiment, a light emitting device including: a support member; a light emitting structure on the support member, the light emitting structure comprising a first conductive type semiconductor layer, a second conductive type semiconductor layer, and an active layer between the first conductive type semiconductor layer and the second conductive type semiconductor layer; a protective member at a peripheral region of an upper surface of the support member; an electrode including an upper portion being on the first conductive type semiconductor layer, a side portion extended from the upper portion and being on a side surface of the light emitting structure, and an extended portion extended from the side portion and being on the protective member; and an insulation layer between the side surface of the light emitting structure and the electrode.
    Type: Application
    Filed: April 10, 2014
    Publication date: September 11, 2014
    Applicant: LG INNOTEK CO., LTD.
    Inventors: Jung Hyeok BAE, Young Kyu JEONG, Kyung Wook PARK, Duk Hyun PARK
  • Publication number: 20140209965
    Abstract: Provided is a light emitting device. The light emitting device comprises: In one embodiment, a light emitting device includes: a light emitting structure comprising a first conductive type semiconductor layer, a second conductive type semiconductor layer, and an active layer between the first conductive type semiconductor layer and the second conductive type semiconductor layer; and a conductive support member under the light emitting structure. The conductive support member comprises a first conductive support member and a second conductive support member. The second conductive support member has a thermal conductivity higher than that of the first conductive support member.
    Type: Application
    Filed: March 31, 2014
    Publication date: July 31, 2014
    Applicant: LG Innotek Co., Ltd.
    Inventors: Jung Hyeok BAE, Young Kyu Jeong, Kyung Wook Park, Duk Hyun Park
  • Patent number: 8723213
    Abstract: Provided is a light emitting device. In one embodiment, a light emitting device including: a support member; a light emitting structure on the support member, the light emitting structure comprising a first conductive type semiconductor layer, a second conductive type semiconductor layer, and an active layer between the first conductive type semiconductor layer and the second conductive type semiconductor layer; a protective member at a peripheral region of an upper surface of the support member; an electrode including an upper portion being on the first conductive type semiconductor layer, a side portion extended from the upper portion and being on a side surface of the light emitting structure, and an extended portion extended from the side portion and being on the protective member; and an insulation layer between the side surface of the light emitting structure and the electrode.
    Type: Grant
    Filed: February 18, 2011
    Date of Patent: May 13, 2014
    Assignee: LG Innotek Co., Ltd.
    Inventors: Jung Hyeok Bae, Young Kyu Jeong, Kyung Wook Park, Duk Hyun Park
  • Patent number: 8686453
    Abstract: Provided is a light emitting device. The light emitting device comprises: In one embodiment, a light emitting device includes: a light emitting structure comprising a first conductive type semiconductor layer, a second conductive type semiconductor layer, and an active layer between the first conductive type semiconductor layer and the second conductive type semiconductor layer; and a conductive support member under the light emitting structure. The conductive support member comprises a first conductive support member and a second conductive support member. The second conductive support member has a thermal conductivity higher than that of the first conductive support member.
    Type: Grant
    Filed: January 14, 2011
    Date of Patent: April 1, 2014
    Assignee: LG Innotek Co.,, Ltd.
    Inventors: Jung Hyeok Bae, Young Kyu Jeong, Kyung Wook Park, Duk Hyun Park
  • Patent number: 8637884
    Abstract: Disclosed is a light emitting device including a conductive substrate; a reflective layer on the conductive substrate; an etching protective layer on a peripheral portion of a top surface of the conductive substrate; and a light emitting structure, which is formed on the reflective layer and the etching protective layer such that the etching protective layer is partially exposed and includes a first conductive semiconductor layer, a second conductive semiconductor layer and an active layer between the first and second conductive semiconductor layers, wherein the etching protective layer includes a first refractive layer having a first refractive index and a second refractive layer having a second refractive index greater than the first refractive index.
    Type: Grant
    Filed: March 9, 2010
    Date of Patent: January 28, 2014
    Assignee: LG Innotek Co., Ltd.
    Inventor: Duk Hyun Park
  • Patent number: 8368107
    Abstract: A light emitting device according to the embodiment includes a conductive support member having a step portion at an outer peripheral region thereof, a protective member for filling the step portion formed at the outer peripheral region of the conductive support member, a reflective layer over the conductive support member, and a light emitting structure over the reflective layer and the protective member.
    Type: Grant
    Filed: December 17, 2010
    Date of Patent: February 5, 2013
    Assignee: LG Innotek Co., Ltd.
    Inventors: Jung Hyeok Bae, Young Kyu Jeong, Kyung Wook Park, Duk Hyun Park
  • Publication number: 20120316662
    Abstract: The present invention relates to a system and method for providing contents through a network in a device incapable of connecting to a network, the system including a contents playback device provided with an audio output port, for playing back the contents; and a dongle device supporting CPNS and attached to the audio output port to enable the contents playback device to operate as a device capable of connecting to a network, for capturing and encoding contents outputted from the contents playback device and providing an external user terminal with the encoded contents through the network. Accordingly, according to the present invention, the contents playback device incapable of connecting to a network is enabled to operate as a device capable of connecting to a network only by attaching the dongle device, and since the dongle device encodes the contents (e.g.
    Type: Application
    Filed: March 24, 2011
    Publication date: December 13, 2012
    Applicant: SK Planet Co., Ltd.
    Inventors: Hun Huh, Duk Hyun Park, Hyoung Gyun Kim, Eun Bok Lee
  • Publication number: 20110198660
    Abstract: Provided is a light emitting device. In one embodiment, a light emitting device including: a support member; a light emitting structure on the support member, the light emitting structure comprising a first conductive type semiconductor layer, a second conductive type semiconductor layer, and an active layer between the first conductive type semiconductor layer and the second conductive type semiconductor layer; a protective member at a peripheral region of an upper surface of the support member; an electrode including an upper portion being on the first conductive type semiconductor layer, a side portion extended from the upper portion and being on a side surface of the light emitting structure, and an extended portion extended from the side portion and being on the protective member; and an insulation layer between the side surface of the light emitting structure and the electrode.
    Type: Application
    Filed: February 18, 2011
    Publication date: August 18, 2011
    Inventors: Jung Hyeok Bae, Young Kyu Jeong, Kyung Wook Park, Duk Hyun Park
  • Publication number: 20110175125
    Abstract: Provided is a light emitting device. The light emitting device comprises: In one embodiment, a light emitting device includes: a light emitting structure comprising a first conductive type semiconductor layer, a second conductive type semiconductor layer, and an active layer between the first conductive type semiconductor layer and the second conductive type semiconductor layer; and a conductive support member under the light emitting structure. The conductive support member comprises a first conductive support member and a second conductive support member. The second conductive support member has a thermal conductivity higher than that of the first conductive support member.
    Type: Application
    Filed: January 14, 2011
    Publication date: July 21, 2011
    Inventors: Jung Hyeok BAE, Young Kyu JEONG, Kyung Wook PARK, Duk Hyun PARK