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).

  • Patent number: 9646956
    Abstract: Embodiments provide a light emitting device package including a package body having a top-opened cavity disposed in at least a portion thereof, a first electrode layer and a second electrode layer electrically isolated from the package body with an insulating layer interposed therebetween, the first electrode layer and the second electrode layer being electrically isolated from each other at a bottom surface of the cavity, a light emitting device placed on the bottom surface of the cavity configured to emit light through the open region of the cavity, and a sensor placed on at least a portion of the package body at the outside of the cavity configured to measure output of the light emitting device.
    Type: Grant
    Filed: May 14, 2015
    Date of Patent: May 9, 2017
    Assignee: LG INNOTEK CO., LTD.
    Inventors: Bum Chul Cho, Moon Sub Kim, Jin Kwan Kim
  • Patent number: 9287466
    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: Grant
    Filed: November 22, 2013
    Date of Patent: March 15, 2016
    Assignee: LG INNOTEK CO., LTD.
    Inventors: Bum Chul Cho, Jin Soo Park
  • Publication number: 20150249074
    Abstract: Embodiments provide a light emitting device package including a package body having a top-opened cavity disposed in at least a portion thereof, a first electrode layer and a second electrode layer electrically isolated from the package body with an insulating layer interposed therebetween, the first electrode layer and the second electrode layer being electrically isolated from each other at a bottom surface of the cavity, a light emitting device placed on the bottom surface of the cavity configured to emit light through the open region of the cavity, and a sensor placed on at least a portion of the package body at the outside of the cavity configured to measure output of the light emitting device.
    Type: Application
    Filed: May 14, 2015
    Publication date: September 3, 2015
    Applicant: LG INNOTEK CO., LTD.
    Inventors: Bum Chul CHO, Moon Sub KIM, Jin Kwan KIM
  • Patent number: 9064773
    Abstract: Embodiments provide a light emitting device package including a package body having a top-opened cavity disposed in at least a portion thereof, a first electrode layer and a second electrode layer electrically isolated from the package body with an insulating layer interposed therebetween, the first electrode layer and the second electrode layer being electrically isolated from each other at a bottom surface of the cavity, a light emitting device placed on the bottom surface of the cavity configured to emit light through the open region of the cavity, and a sensor placed on at least a portion of the package body at the outside of the cavity configured to measure output of the light emitting device.
    Type: Grant
    Filed: March 15, 2013
    Date of Patent: June 23, 2015
    Assignee: LG INNOTEK CO., LTD.
    Inventors: Bum Chul Cho, Moon Sub Kim, Jin Kwan Kim
  • Patent number: 8987920
    Abstract: A wafer substrate bonding structure may be provided that includes: a first substrate; and a conductive thin film which is disposed on the first substrate and includes a resin and conductive corpuscles included in the resin.
    Type: Grant
    Filed: December 6, 2011
    Date of Patent: March 24, 2015
    Assignee: LG Innotek Co., Ltd.
    Inventor: Bum Chul Cho
  • Patent number: 8907551
    Abstract: A light emitting device package including a substrate; a light emitting device on the substrate; a first heatsink between the substrate and the light emitting device to transfer heat generated from the light emitting device; a second heatsink disposed below the first heatsink; and an electrode between the first heat sink and the light emitting device. Further, the substrate is disposed between the first and second heatsinks and is narrower at a position between the first and second heatsinks than at a position not between the first and second heatsinks, a material of the substrate is the same at the position between the first and second heatsinks as not between the first and second heatsinks, and the substrate at the position not between the first and second heatsinks surrounds the first and second heat sinks.
    Type: Grant
    Filed: October 1, 2013
    Date of Patent: December 9, 2014
    Assignee: LG Innotek Co., Ltd.
    Inventor: Bum Chul Cho
  • Patent number: 8829538
    Abstract: Provided is a light emitting device package. The light emitting device package comprises a body formed of a silicon-based material; an insulating layer having a first opening on a surface of the body; a first and second metal layers disposed on the insulating layer; a light emitting device having a plurality of compound semiconductor layers disposed on a top surface of the body and connected to the first and second metal layers; and a protection device disposed on the body and electrically connected to the light emitting device, wherein the insulating layer has a second opening on a bottom surface of the body, wherein a first portion of the first metal layer is connected to the protective device and is disposed in the second opening of the insulating layer.
    Type: Grant
    Filed: March 11, 2013
    Date of Patent: September 9, 2014
    Assignee: LG Innotek Co., Ltd.
    Inventor: Bum Chul Cho
  • Publication number: 20140117357
    Abstract: Embodiments provide a light emitting device package including a package body having a top-opened cavity disposed in at least a portion thereof, a first electrode layer and a second electrode layer electrically isolated from the package body with an insulating layer interposed therebetween, the first electrode layer and the second electrode layer being electrically isolated from each other at a bottom surface of the cavity, a light emitting device placed on the bottom surface of the cavity configured to emit light through the open region of the cavity, and a sensor placed on at least a portion of the package body at the outside of the cavity configured to measure output of the light emitting device.
    Type: Application
    Filed: March 15, 2013
    Publication date: May 1, 2014
    Applicant: LG INNOTEK CO., LTD.
    Inventors: Bum Chul CHO, Moon Sub KIM, Jin Kwan KIM
  • Patent number: 8680552
    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: Grant
    Filed: April 27, 2011
    Date of Patent: March 25, 2014
    Assignee: LG Innotek Co., Ltd.
    Inventor: Bum Chul Cho
  • Publication number: 20140077249
    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: November 22, 2013
    Publication date: March 20, 2014
    Applicant: LG INNOTEK CO., LTD
    Inventors: Bum Chul CHO, Jin Soo PARK
  • Publication number: 20140055981
    Abstract: A light emitting device package including a substrate; a light emitting device on the substrate; a first heatsink between the substrate and the light emitting device to transfer heat generated from the light emitting device; a second heatsink disposed below the first heatsink; and an electrode between the first heat sink and the light emitting device. Further, the substrate is disposed between the first and second heatsinks and is narrower at a position between the first and second heatsinks than at a position not between the first and second heatsinks, a material of the substrate is the same at the position between the first and second heatsinks as not between the first and second heatsinks, and the substrate at the position not between the first and second heatsinks surrounds the first and second heat sinks.
    Type: Application
    Filed: October 1, 2013
    Publication date: February 27, 2014
    Applicant: LG INNOTEK CO., LTD.
    Inventor: Bum Chul CHO
  • Patent number: 8624268
    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: Grant
    Filed: July 23, 2008
    Date of Patent: January 7, 2014
    Assignee: LG Innotek Co., Ltd.
    Inventors: Bum Chul Cho, Jin Soo Park
  • Patent number: 8569770
    Abstract: A light emitting device package including a substrate; a light emitting device on the substrate; a first heatsink between the substrate and the light emitting device to transfer heat generated from the light emitting device; a second heatsink disposed below the first heatsink; and an electrode between the first heat sink and the light emitting device. Further, the substrate is disposed between the first and second heatsinks and is narrower at a position between the first and second heatsinks than at a position not between the first and second heatsinks, a material of the substrate is the same at the position between the first and second heatsinks as not between the first and second heatsinks, and the substrate at the position not between the first and second heatsinks surrounds the first and second heat sinks.
    Type: Grant
    Filed: December 19, 2012
    Date of Patent: October 29, 2013
    Assignee: LG Innotek Co., Ltd.
    Inventor: Bum Chul Cho
  • Patent number: 8410513
    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: Grant
    Filed: February 16, 2010
    Date of Patent: April 2, 2013
    Assignee: LG Innotek Co., Ltd.
    Inventor: Bum Chul Cho
  • Patent number: 8395181
    Abstract: A light emitting device includes a package body, a light emitting diode, a transparent resin material, and a wire. The package body includes a bottom part and a side part. The bottom part includes a first electrode and a second electrode electrically connecting the upper surface and the bottom surface of the bottom part, respectively. The side part includes an upper surface including a trench and a bottom surface being in contact with the upper surface of the bottom part, wherein the upper surface of the bottom part is lower than the upper surface of the side part such that the package body includes a cavity surrounded by the side part, and the bottom surface of the bottom part includes a second opened portion that divides the first electrode and the second electrode, and wherein a portion of the transparent resin material is disposed inside of the trench.
    Type: Grant
    Filed: September 21, 2011
    Date of Patent: March 12, 2013
    Assignee: LG Innotek Co., Ltd.
    Inventor: Bum Chul Cho
  • Patent number: 8358054
    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: Grant
    Filed: February 22, 2010
    Date of Patent: January 22, 2013
    Assignee: LG Innotek Co., Ltd.
    Inventor: Bum Chul Cho
  • Patent number: 8294176
    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: September 16, 2011
    Date of Patent: October 23, 2012
    Assignee: LG Innotek Co., Ltd.
    Inventor: Bum Chul Cho
  • Publication number: 20120153329
    Abstract: A wafer substrate bonding structure may be provided that includes: a first substrate; and a conductive thin film which is disposed on the first substrate and includes a resin and conductive corpuscles included in the resin.
    Type: Application
    Filed: December 6, 2011
    Publication date: June 21, 2012
    Inventor: Bum Chul Cho
  • Patent number: 8203163
    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: Grant
    Filed: September 5, 2008
    Date of Patent: June 19, 2012
    Assignee: LG Innotek Co., Ltd.
    Inventors: Bum Chul Cho, Geun Ho Kim, Sung Jin Son, Jin Soo Park
  • Publication number: 20120068203
    Abstract: A light emitting device includes a package body, a light emitting diode, a transparent resin material, and a wire. The package body includes a bottom part and a side part. The bottom part includes a first electrode and a second electrode electrically connecting the upper surface and the bottom surface of the bottom part, respectively. The side part includes an upper surface including a trench and a bottom surface being in contact with the upper surface of the bottom part, wherein the upper surface of the bottom part is lower than the upper surface of the side part such that the package body includes a cavity surrounded by the side part, and the bottom surface of the bottom part includes a second opened portion that divides the first electrode and the second electrode, and wherein a portion of the transparent resin material is disposed inside of the trench.
    Type: Application
    Filed: September 21, 2011
    Publication date: March 22, 2012
    Inventor: Bum Chul Cho