Patents by Inventor Hyo Kun Son

Hyo Kun Son 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: 8541807
    Abstract: A semiconductor light emitting device and a light emitting apparatus having the semiconductor light emitting device are provided. The semiconductor light emitting device comprises a substrate, a light emitting structure disposed on the substrate and comprising a first conductive type semiconductor layer, an active layer on the first conductive type semiconductor layer, and a second conductive type semiconductor layer on the active layer, a second electrode electrically connected to the second conductive type semiconductor layer, a plurality of first electrodes disposed on a plurality of sidewalls of the first conductive type semiconductor layer, and wherein the plurality of first electrodes are spaced apart from each other.
    Type: Grant
    Filed: September 22, 2011
    Date of Patent: September 24, 2013
    Assignee: LG Innotek Co., Ltd.
    Inventors: Kyung Jun Kim, Hyo Kun Son
  • Publication number: 20130228816
    Abstract: A light emitting device includes a second metal layer, a second semiconductor layer on the second metal layer, an active layer on the second semiconductor layer, a first semiconductor layer on the active layer, a first metal layer on the first semiconductor layer, an insulating layer between the second metal layer and the second semiconductor layer at a peripheral portion of an upper surface of the second metal layer, and a passivation layer surrounding lateral surfaces of the insulating layer, the second semiconductor layer, the active layer, and the first semiconductor layer, the passivation layer being on the second metal layer, wherein a lateral surface of the insulating layer is adjacent to a lateral surface of the second metal layer, and wherein a lowermost surface of the passivation layer is disposed lower than a lowermost surface of the insulating layer.
    Type: Application
    Filed: April 16, 2013
    Publication date: September 5, 2013
    Applicant: LG Innotek Co., Ltd.
    Inventors: Kyung Jun Kim, Hyo Kun Son
  • Publication number: 20130228748
    Abstract: A semiconductor light emitting device includes a first nitride semiconductor layer, a dopant doped semiconductor layer on the first nitride semiconductor layer, an active layer on the dopant doped semiconductor layer, a delta doped layer on the active layer, a superlattice structure on the delta doped layer, an undoped layer on the superlattice layer, a second nitride semiconductor layer including a first n-type dopant, a third nitride semiconductor layer including a second n-type dopant, and a fourth nitride semiconductor layer including a third n-type dopant.
    Type: Application
    Filed: April 17, 2013
    Publication date: September 5, 2013
    Applicant: LG Innotek Co., Ltd.
    Inventors: Tae Yun KIM, Hyo Kun SON
  • Patent number: 8502245
    Abstract: Provided is a semiconductor light emitting device. The semiconductor light emitting device comprises a first conductive type semiconductor layer, an active layer, and a second conductive type semiconductor layer. The active layer comprises a first active layer, a second active layer, an electron barrier layer on the first conductive type semiconductor layer. The first active layer and the second active layer comprise a quantum well layer and a quantum barrier layer. The electron barrier layer is formed between the first active layer and the second active layer. The second conductive type semiconductor layer is formed on the active layer.
    Type: Grant
    Filed: January 25, 2012
    Date of Patent: August 6, 2013
    Assignee: LG Innotek Co., Ltd.
    Inventors: Tae Yun Kim, Hyo Kun Son
  • Patent number: 8476646
    Abstract: Provided is a light emitting device, which includes a second conductive type semiconductor layer, an active layer, a first conductive type semiconductor layer, and a intermediate refraction layer. The active layer is disposed on the second conductive type semiconductor layer. The first conductive type semiconductor layer is disposed on the active layer. The intermediate refraction layer is disposed on the first conductive type semiconductor layer. The intermediate refraction layer has a refractivity that is smaller than that of the first conductive type semiconductor layer and is greater than that of air.
    Type: Grant
    Filed: November 12, 2010
    Date of Patent: July 2, 2013
    Assignee: LG Innotek Co., Ltd.
    Inventor: Hyo Kun Son
  • Patent number: 8455914
    Abstract: A light emitting device including a second metal layer, a second conduction type semiconductor layer on the second metal layer, an active layer on the second conduction type semiconductor layer, a first conduction type semiconductor layer on the active layer, a first metal layer on the first conduction type semiconductor layer, an insulating layer being disposed on a peripheral portion of an upper surface of the second metal layer and being disposed under a lower surface of the second conduction type semiconductor layer, and a passivation layer on lateral surfaces of the insulating layer, the second conduction type semiconductor layer, the active layer and the first conduction type semiconductor layer, the passivation layer being on an upper surface of the second metal layer, wherein a lateral surface of the insulating layer is adjacent to a lateral surface of the second metal layer.
    Type: Grant
    Filed: March 16, 2011
    Date of Patent: June 4, 2013
    Assignee: LG Innotek Co., Ltd.
    Inventors: Kyung Jun Kim, Hyo Kun Son
  • Patent number: 8441024
    Abstract: A semiconductor light emitting device includes an active layer; a first nitride semiconductor layer on the active layer; a first delta-doped layer on the first nitride semiconductor layer; a second nitride semiconductor layer on the first delta-doped layer; a second delta-doped layer on the second nitride semiconductor layer; a third nitride semiconductor layer on the second delta-doped layer. The first delta-doped layer, the second nitride semiconductor layer, the second delta-doped layer, and the third nitride semiconductor layer are doped with an n-type dopant.
    Type: Grant
    Filed: April 23, 2012
    Date of Patent: May 14, 2013
    Assignee: LG Innotek Co., Ltd.
    Inventors: Tae Yun Kim, Hyo Kun Son
  • Patent number: 8426887
    Abstract: Provided is a light emitting device. In one embodiment, the light emitting device includes: a first conductive type semiconductor layer including a plurality of grooves; an active layer formed on a upper surface of the first conductive type semiconductor layer and along the grooves; an anti-current leakage layer having a flat upper surface on the active layer; and a second conductive type semiconductor layer on the anti-current leakage layer.
    Type: Grant
    Filed: February 16, 2011
    Date of Patent: April 23, 2013
    Assignee: LG Innotek Co., Ltd.
    Inventor: Hyo Kun Son
  • Patent number: 8390014
    Abstract: Disclosed is a light emitting device including a second conductive semiconductor layer; an active layer on the second conductive semiconductor layer; a first semiconductor layer on the active layer, the first semiconductor layer having at least one lateral side with a step portion; and a lateral electrode on the step portion formed at the at least one lateral side of the first semiconductor layer.
    Type: Grant
    Filed: November 30, 2010
    Date of Patent: March 5, 2013
    Assignee: LG Innotek Co., Ltd.
    Inventor: Hyo Kun Son
  • Publication number: 20120319130
    Abstract: Provided are a light emitting device and a method of fabricating the same. The light emitting device comprises: a first conductive semiconductor layer; an active layer comprising an InGaN well layer and a GaN barrier layer on the first conductive semiconductor layer; and a second conductive semiconductor layer on the active layer. The GaN barrier layer comprises an AlGaN layer.
    Type: Application
    Filed: August 27, 2012
    Publication date: December 20, 2012
    Inventors: Dae Sung KANG, Hyo Kun Son
  • Patent number: 8323413
    Abstract: A susceptor and a semiconductor manufacturing apparatus including the same are provided. A wafer is loaded on a susceptor and the susceptor includes at least one pocket whose bottom surface is inclined. The semiconductor manufacturing apparatus includes a reaction chamber, a heating unit that generates heat in the reaction chamber, a susceptor on which a wafer is loaded and that includes at least one pocket whose bottom surface is inclined, and a rotation shaft coupled with the susceptor.
    Type: Grant
    Filed: March 9, 2007
    Date of Patent: December 4, 2012
    Assignee: LG Innotek Co., Ltd
    Inventor: Hyo Kun Son
  • Patent number: 8314414
    Abstract: A light emitting device, a method of manufacturing the same, a light emitting device package, and a lighting system are disclosed. The light emitting device may include a first conductive semiconductor layer, a second conductive semiconductor layer, and an active layer interposed between the first and second conductive semiconductor layers. The first conductive semiconductor layer, the active layer, and the second conductive semiconductor layer may include Al. The second conductive semiconductor layer may have Al content higher than Al content of the first conductive semiconductor layer. The first conductive semiconductor layer may have Al content higher than Al content of the active layer.
    Type: Grant
    Filed: October 26, 2010
    Date of Patent: November 20, 2012
    Assignee: LG Innotek Co., Ltd.
    Inventor: Hyo Kun Son
  • Publication number: 20120280248
    Abstract: Provided are a semiconductor light emitting device and a method of manufacturing the same. The semiconductor light emitting device comprises a first conductive type semiconductor layer, an active layer, a first thin insulating layer, and a second conductive type semiconductor layer. The active layer is formed on the first conductive type semiconductor layer. The first thin insulating layer is formed on the active layer. The second conductive type semiconductor layer is formed on the thin insulating layer.
    Type: Application
    Filed: July 17, 2012
    Publication date: November 8, 2012
    Inventors: Dae Sung KANG, Hyo Kun SON
  • Patent number: 8299493
    Abstract: Provided are a semiconductor light emitting device and a method of fabricating the same. The semiconductor light emitting device includes a first conductive type semiconductor layer, an active layer, and a second conductive type semiconductor layer. The first conductive type semiconductor layer includes an insulation layer including protrusions having a predetermined interval and a void between the protrusions of the insulation layer. The active layer is disposed on the first conductive type semiconductor layer. The second conductive type semiconductor layer is disposed on the active layer.
    Type: Grant
    Filed: September 5, 2008
    Date of Patent: October 30, 2012
    Assignee: LG Innotek Co., Ltd.
    Inventor: Hyo Kun Son
  • Patent number: 8274093
    Abstract: Provided are a semiconductor light emitting device and a method of fabricating the same. The semiconductor light emitting device comprises a multireflection layer comprising at least one of reflection layers of different refractive indices, a first conductive semiconductor layer on the multireflection layers, an active layer on the first conductive type semiconductor layer, and a second conductive type semiconductor layer on the active layer.
    Type: Grant
    Filed: September 5, 2008
    Date of Patent: September 25, 2012
    Assignee: LG Innotek Co., Ltd.
    Inventors: Hyung Jo Park, Dae Sung Kang, Hyo Kun Son
  • Patent number: 8257993
    Abstract: Provided are a light emitting device and a method of fabricating the same. The light emitting device comprises: a first conductive semiconductor layer; an active layer comprising an InGaN well layer and a GaN barrier layer on the first conductive semiconductor layer; and a second conductive semiconductor layer on the active layer. The GaN barrier layer comprises an AlGaN layer.
    Type: Grant
    Filed: June 24, 2008
    Date of Patent: September 4, 2012
    Assignee: LG Innotek Co., Ltd.
    Inventors: Dae Sung Kang, Hyo Kun Son
  • Publication number: 20120205664
    Abstract: Provided is a semiconductor light emitting device and a method for manufacturing the same. The semiconductor light emitting device comprises: an active layer; a first nitride semiconductor layer on the active layer; a first delta-doped layer on the first nitride semiconductor layer; a second nitride semiconductor layer on the first delta-doped layer; a second delta-doped layer on the second nitride semiconductor layer; a third nitride semiconductor layer on the second delta-doped layer.
    Type: Application
    Filed: April 23, 2012
    Publication date: August 16, 2012
    Inventors: Tae Yun KIM, Hyo Kun Son
  • Patent number: 8237181
    Abstract: Provided are a semiconductor light emitting device and a method of manufacturing the same. The semiconductor light emitting device comprises a first conductive type semiconductor layer, an active layer, a first thin insulating layer, and a second conductive type semiconductor layer. The active layer is formed on the first conductive type semiconductor layer. The first thin insulating layer is formed on the active layer. The second conductive type semiconductor layer is formed on the thin insulating layer.
    Type: Grant
    Filed: August 7, 2008
    Date of Patent: August 7, 2012
    Assignee: LG Innotek Co., Ltd.
    Inventors: Dae Sung Kang, Hyo Kun Son
  • Publication number: 20120119182
    Abstract: Provided is a semiconductor light emitting device. The semiconductor light emitting device comprises a first conductive type semiconductor layer, an active layer, and a second conductive type semiconductor layer. The active layer comprises a first active layer, a second active layer, an electron barrier layer on the first conductive type semiconductor layer. The first active layer and the second active layer comprise a quantum well layer and a quantum barrier layer. The electron barrier layer is formed between the first active layer and the second active layer. The second conductive type semiconductor layer is formed on the active layer.
    Type: Application
    Filed: January 25, 2012
    Publication date: May 17, 2012
    Inventors: Tae Yun Kim, Hyo Kun Son
  • Patent number: 8178887
    Abstract: Provided is a semiconductor light emitting device and a method for manufacturing the same. The semiconductor light emitting device comprises: a first conductive type semiconductor layer; an active layer on the first conductive type semiconductor layer; an undoped semiconductor layer on the active layer; a first delta-doped layer on the undoped semiconductor layer; and a second conductive type semiconductor layer on the first delta-doped layer.
    Type: Grant
    Filed: January 11, 2011
    Date of Patent: May 15, 2012
    Assignee: LG Innotek Co., Ltd.
    Inventors: Tae Yun Kim, Hyo Kun Son