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: 8173463
    Abstract: Provided is a light emitting device fabricating apparatus, which includes a light emitting device, first and second contact parts, a power source part, a loading plate, and a chamber. The first and second contact parts are connected to the light emitting device to apply a first current to the light emitting device. The power source part supplies power to the first and second contact parts. The loading plate supports and heats the light emitting device. The chamber accommodates the light emitting device, the first and second contact parts, and the loading plate, and has a vacuum state or oxygen atmosphere.
    Type: Grant
    Filed: November 5, 2010
    Date of Patent: May 8, 2012
    Assignee: LG Innotek Co., Ltd.
    Inventor: Hyo Kun Son
  • Patent number: 8174026
    Abstract: A light emitting device and a method of manufacturing the same are provided. The light emitting device comprises a first conductive type lower semiconductor layer, a current diffusion layer, a first conductive type upper semiconductor layer, an active layer, and a second conductive type semiconductor layer. The current diffusion layer is formed on the first conductive type lower semiconductor layer. The first conductive type upper semiconductor layer is formed on the current diffusion layer. The active layer is formed on the first conductive type upper semiconductor layer. The second conductive type semiconductor layer is formed on the active layer.
    Type: Grant
    Filed: September 22, 2009
    Date of Patent: May 8, 2012
    Assignee: LG Innotek Co., Ltd.
    Inventor: Hyo Kun Son
  • Patent number: 8148740
    Abstract: Provided are a semiconductor light emitting device and a method of manufacturing the same. The semiconductor light emitting layer comprises 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. The active layer comprises a quantum well layer, a quantum barrier layer, and a dual barrier layer.
    Type: Grant
    Filed: November 8, 2010
    Date of Patent: April 3, 2012
    Assignee: LG Innotek Co., Ltd.
    Inventors: Tae Yun Kim, Hyo Kun Son
  • Patent number: 8134167
    Abstract: A light emitting device is provided. In the light emitting device, a multi-layer for intercepting a reverse voltage applied to an active layer is formed between the active layer and a GaN layer. Accordingly, the reliability and operational characteristic of the light emitting device can be improved.
    Type: Grant
    Filed: April 12, 2005
    Date of Patent: March 13, 2012
    Assignee: LG Innotek Co., Ltd
    Inventor: Hyo-Kun Son
  • Patent number: 8124990
    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: June 23, 2008
    Date of Patent: February 28, 2012
    Assignee: LG Innotek Co., Ltd.
    Inventors: Tae Yun Kim, Hyo Kun Son
  • Publication number: 20120007128
    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: Application
    Filed: September 22, 2011
    Publication date: January 12, 2012
    Inventors: Kyung Jun KIM, Hyo Kun Son
  • Patent number: 8093611
    Abstract: A semiconductor light emitting device and a method of manufacturing the same are provided. The semiconductor light emitting device comprises a first conductive semiconductor layer comprising a concave portion, an active layer on the first conductive semiconductor layer, and a second conductive semiconductor layer on the active layer.
    Type: Grant
    Filed: May 21, 2008
    Date of Patent: January 10, 2012
    Assignee: LG Innotek Co., Ltd.
    Inventor: Hyo Kun Son
  • Patent number: 8058666
    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 on the substrate, comprising a first conductive type semiconductor layer, an active layer, a second conductive type semiconductor layer, and a first electrode unit on sidewalls of the substrate and the first conductive type semiconductor layer.
    Type: Grant
    Filed: August 8, 2008
    Date of Patent: November 15, 2011
    Assignee: LG Innotek Co., Ltd.
    Inventors: Kyung Jun Kim, Hyo Kun Son
  • Patent number: 8030679
    Abstract: Disclosed is a nitride semiconductor light emitting device including: one or more AllnN layers; an In-doped nitride semiconductor layer formed above the AllN layers; a first electrode contact layer formed above the In-doped nitride semiconductor layer; an active layer formed above the first electrode contact layer; and a p-type nitride semiconductor layer formed above the active layer. According to the nitride semiconductor light emitting device, a crystal defect of the active layer is suppressed, so that the reliability of the nitride semiconductor light emitting device is increased and the light output is enhanced.
    Type: Grant
    Filed: October 6, 2005
    Date of Patent: October 4, 2011
    Assignee: LG Innotek Co., Ltd.
    Inventors: Hyo Kun Son, Suk Hun Lee
  • Patent number: 8017973
    Abstract: There are provided a nitride semiconductor light-emitting device and a method for manufacturing the same. The nitride semiconductor light-emitting device includes a buffer layer on a sapphire substrate, wherein the buffer layer includes a plurality of layers having different lattice constants, a first n-type nitride semiconductor layer on the buffer layer, an active layer on the first n-type nitride semiconductor layer, and a p-type nitride semiconductor layer on the active layer.
    Type: Grant
    Filed: October 13, 2010
    Date of Patent: September 13, 2011
    Assignee: LG Innotek Co., Ltd.
    Inventor: Hyo Kun Son
  • Publication number: 20110198564
    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: Application
    Filed: February 16, 2011
    Publication date: August 18, 2011
    Inventor: Hyo Kun SON
  • Publication number: 20110186812
    Abstract: Provided are a semiconductor light emitting device and a method of manufacturing the same. The semiconductor light emitting layer comprises 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. The active layer comprises a quantum well layer, a quantum barrier layer, and a dual barrier layer.
    Type: Application
    Filed: November 8, 2010
    Publication date: August 4, 2011
    Inventors: Tae Yun KIM, Hyo Kun Son
  • Publication number: 20110177628
    Abstract: Provided is a light emitting device fabricating apparatus, which includes a light emitting device, first and second contact parts, a power source part, a loading plate, and a chamber. The first and second contact parts are connected to the light emitting device to apply a first current to the light emitting device. The power source part supplies power to the first and second contact parts. The loading plate supports and heats the light emitting device. The chamber accommodates the light emitting device, the first and second contact parts, and the loading plate, and has a vacuum state or oxygen atmosphere.
    Type: Application
    Filed: November 5, 2010
    Publication date: July 21, 2011
    Inventor: Hyo Kun SON
  • Publication number: 20110163342
    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: Application
    Filed: March 16, 2011
    Publication date: July 7, 2011
    Inventors: Kyung Jun KIM, Hyo Kun Son
  • Publication number: 20110147700
    Abstract: A light emitting device may include a first conductive semiconductor layer, an active layer adjacent to the first conductive semiconductor layer and a second conductive semiconductor layer adjacent to the active layer. The active layer may include a first quantum well layer, a second quantum well layer and a barrier layer between the first quantum well layer and the second quantum well layer. The first quantum well layer may include a first plurality of sub-barrier layers and a first plurality of sub-quantum well layers, and the second quantum well layer may include a second plurality of sub-barrier layers and a second plurality of sub-quantum well layers. A bandgap of the first quantum well layer may be different than a bandgap of the second quantum well layer.
    Type: Application
    Filed: September 16, 2010
    Publication date: June 23, 2011
    Inventor: Hyo Kun SON
  • Publication number: 20110127550
    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: Application
    Filed: November 12, 2010
    Publication date: June 2, 2011
    Inventor: Hyo Kun SON
  • Publication number: 20110127565
    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: Application
    Filed: November 30, 2010
    Publication date: June 2, 2011
    Inventor: Hyo Kun SON
  • Publication number: 20110108868
    Abstract: A light emitting device according to an embodiment includes a first conductive semiconductor layer; a second conductive semiconductor layer; and an active layer including first and second active layers between the first and second conductive semiconductor layers. The first active layer emits light having a first wavelength band of 440 nm to 500 nm, and the second active layer emits light having a second wavelength band, which is shorter than the first wavelength band.
    Type: Application
    Filed: October 18, 2010
    Publication date: May 12, 2011
    Applicant: LG INNOTEX CO.,LTD.
    Inventor: HYO KUN SON
  • Publication number: 20110101415
    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: Application
    Filed: January 11, 2011
    Publication date: May 5, 2011
    Inventors: Tae Yun KIM, Hyo Kun Son
  • Publication number: 20110101340
    Abstract: Provided is a light emitting device, which includes a first conductive type semiconductor layer, an active layer, a roughness pattern, and a second conductive type semiconductor layer. The active layer is disposed on the first conductive type semiconductor layer. The roughness pattern is disposed on the active layer. The second conductive type semiconductor layer is disposed on the roughness pattern and the active layer, and includes a metal oxide.
    Type: Application
    Filed: November 1, 2010
    Publication date: May 5, 2011
    Inventor: Hyo Kun SON