Patents by Inventor Bum Chul Cho

Bum Chul Cho 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).

  • Publication number: 20120007123
    Abstract: A light emitting apparatus includes: a substrate including a first conductive type impurity; a first heatsink and a second heatsink on a first region and a second region of the substrate; second conductive type impurity regions on the substrate and electrically connected to the first heatsink and the second heatsink, respectively; a first electrode electrically connected to the first heatsink on the substrate; a second electrode electrically connected to the second heatsink on the substrate; and a light emitting device electrically connected to the first electrode and the second electrode on the substrate.
    Type: Application
    Filed: September 16, 2011
    Publication date: January 12, 2012
    Inventor: Bum Chul CHO
  • Publication number: 20110309391
    Abstract: Provided is a light emitting device package and a method of fabricating the same. The light emitting device package comprises a package body having a cavity, a seed layer on a surface of the package body, a conductive layer on the seed layer, a mirror layer on the conductive layer, and a light emitting device in the cavity.
    Type: Application
    Filed: September 5, 2008
    Publication date: December 22, 2011
    Applicant: LG INNOTEK CO., LTD
    Inventors: Bum Chul Cho, Geun Ho Kim, Sung Jin Son, Jin Soo Park
  • Patent number: 8039863
    Abstract: Provided is a light emitting device. The light emitting device comprises a package body, a plurality of electrodes, a light emitting diode, and a lens. The package body comprises a trench. The plurality of electrodes is disposed on and/or in the package body. The light emitting diode is disposed on the package body and is electrically connected to the electrodes. The lens is disposed on an inner side of the trench.
    Type: Grant
    Filed: May 6, 2009
    Date of Patent: October 18, 2011
    Assignee: LG Innotek Co., Ltd.
    Inventor: Bum Chul Cho
  • Patent number: 8039865
    Abstract: A light emitting apparatus includes: a substrate including a first conductive type impurity; a first heatsink and a second heatsink on a first region and a second region of the substrate; second conductive type impurity regions on the substrate and electrically connected to the first heatsink and the second heatsink, respectively; a first electrode electrically connected to the first heatsink on the substrate; a second electrode electrically connected to the second heatsink on the substrate; and a light emitting device electrically connected to the first electrode and the second electrode on the substrate.
    Type: Grant
    Filed: March 9, 2010
    Date of Patent: October 18, 2011
    Assignee: LG Innotek Co., Ltd.
    Inventor: Bum Chul Cho
  • Publication number: 20110198653
    Abstract: A light emitting device package of the embodiment includes a body; an insulating layer on a surface of the body; at least one electrode layer on the insulating layer; and a light emitting device on the at least one electrode layer. The electrode layer includes a thermal diffusion layer and a reflective layer on the thermal diffusion layer, and the thermal diffusion layer has a thickness thicker than a thickness of the reflective layer by at least twenty times.
    Type: Application
    Filed: April 27, 2011
    Publication date: August 18, 2011
    Inventor: Bum Chul CHO
  • Patent number: 7915606
    Abstract: A semiconductor light emitting device including a substrate including a plurality of discrete and separated protruding reflective patterns protruding from the substrate and including a valley; a first semiconductor layer on the substrate and covering the reflective patterns; a gap formed in the valley of a corresponding reflective pattern between the substrate and the first semiconductor layer; an active layer on the first semiconductor layer; and a second semiconductor layer on the active layer.
    Type: Grant
    Filed: April 27, 2010
    Date of Patent: March 29, 2011
    Assignee: LG Electronics Inc.
    Inventors: Bum Chul Cho, Seung Hyun Yang
  • Publication number: 20100230704
    Abstract: A light emitting apparatus includes: a substrate including a first conductive type impurity; a first heatsink and a second heatsink on a first region and a second region of the substrate; second conductive type impurity regions on the substrate and electrically connected to the first heatsink and the second heatsink, respectively; a first electrode electrically connected to the first heatsink on the substrate; a second electrode electrically connected to the second heatsink on the substrate; and a light emitting device electrically connected to the first electrode and the second electrode on the substrate.
    Type: Application
    Filed: March 9, 2010
    Publication date: September 16, 2010
    Inventor: Bum Chul CHO
  • Publication number: 20100224903
    Abstract: A light emitting device package is provided. The light emitting device package comprises a substrate comprising a plurality of protrusions, an insulating layer on the substrate, a metal layer on the insulating layer, and a light emitting device on the substrate electrically connected to the metal layer.
    Type: Application
    Filed: July 23, 2008
    Publication date: September 9, 2010
    Inventors: Bum Chul Cho, Jin Soo Park
  • Publication number: 20100213810
    Abstract: Provided is a light emitting device package. The light emitting device package comprises a substrate, a light emitting device on the substrate, a first heatsink between the substrate and the light emitting device, the first heatsink being at least partially disposed within the substrate to transfer heat generated from the light emitting device, first and second electrodes electrically separated from each other, the first and second electrodes being electrically connected to the light emitting device.
    Type: Application
    Filed: February 22, 2010
    Publication date: August 26, 2010
    Inventor: Bum Chul CHO
  • Publication number: 20100207156
    Abstract: Provided is a light emitting device package. The light emitting device package comprises a first conductive type package body, an insulating layer comprising an opening on the package body, a plurality of compound semiconductor layers disposed on the package body through the opening of the insulating layer, an electrode electrically connected to the plurality of compound semiconductor layers, a first metal layer electrically connected to the package body and disposed on a part of the insulating layer, and a second metal layer electrically connected to the electrode and disposed on the other part of the insulating layer.
    Type: Application
    Filed: February 16, 2010
    Publication date: August 19, 2010
    Inventor: Bum Chul Cho
  • Publication number: 20100207155
    Abstract: A semiconductor light emitting device including a substrate including a plurality of discrete and separated protruding reflective patterns protruding from the substrate and including a valley; a first semiconductor layer on the substrate and covering the reflective patterns; a gap formed in the valley of a corresponding reflective pattern between the substrate and the first semiconductor layer; an active layer on the first semiconductor layer; and a second semiconductor layer on the active layer.
    Type: Application
    Filed: April 27, 2010
    Publication date: August 19, 2010
    Inventors: Bum Chul CHO, Seung Hyun Yang
  • Patent number: 7732802
    Abstract: Disclosed is a semiconductor light emitting device. The semiconductor light emitting device comprises a substrate comprising a reflective pattern with a valley, a first nitride semiconductor layer on the substrate, an air gap formed between the reflective pattern and the first nitride semiconductor layer, an active layer on the first nitride semiconductor layer, and a second nitride semiconductor layer on the active layer.
    Type: Grant
    Filed: April 15, 2008
    Date of Patent: June 8, 2010
    Assignee: LG Innotek Co., Ltd.
    Inventors: Bum Chul Cho, Seung Hyun Yang
  • Publication number: 20090278153
    Abstract: Provided is a light emitting device. The light emitting device comprises a package body, a plurality of electrodes, a light emitting diode, and a lens. The package body comprises a trench. The plurality of electrodes is disposed on and/or in the package body. The light emitting diode is disposed on the package body and is electrically connected to the electrodes. The lens is disposed on an inner side of the trench.
    Type: Application
    Filed: May 6, 2009
    Publication date: November 12, 2009
    Inventor: Bum Chul Cho
  • Publication number: 20080251803
    Abstract: Disclosed is a semiconductor light emitting device. The semiconductor light emitting device comprises a substrate comprising a reflective pattern with a valley, a first nitride semiconductor layer on the substrate, an air gap formed between the reflective pattern and the first nitride semiconductor layer, an active layer on the first nitride semiconductor layer, and a second nitride semiconductor layer on the active layer.
    Type: Application
    Filed: April 15, 2008
    Publication date: October 16, 2008
    Inventors: Bum Chul Cho, Seung Hyun Yang