Patents by Inventor Ki Chang Song

Ki Chang Song 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: 9166123
    Abstract: A light emitting device package capable of emitting uniform white light and a method for manufacturing the same are disclosed. The light emitting device package includes a package body, an electrode formed on at least one surface of the package body, a light emitting device mounted on the package body, and a phosphor layer enclosing the light emitting device while having a uniform thickness around the light emitting device.
    Type: Grant
    Filed: April 7, 2010
    Date of Patent: October 20, 2015
    Assignees: LG ELECTRONICS INC., LG INNOTEK CO., LTD.
    Inventors: Geun ho Kim, Yu Ho Won, Chil Keun Park, Ki Chang Song
  • Publication number: 20130016499
    Abstract: An optical device and an LED package using the same, and a backlight apparatus are provided, the optical device including a substrate, a first transparent thin film layer formed at one surface of the substrate, a quantum dot layer formed at an upper surface of the first transparent thin film layer and made of quantum dot particles, a protective layer formed on at least one of an upper surface or a bottom surface of the quantum dot layer and formed with metallic oxide nano particles, and a barrier member formed on the upper surface of the first transparent thin film layer for establishing an area formed with the quantum dot layer and the protective layer.
    Type: Application
    Filed: December 7, 2011
    Publication date: January 17, 2013
    Inventors: Young Joo Yee, Ki Chang Song
  • Publication number: 20120261705
    Abstract: A light emitting device package capable of emitting uniform white light and a method for manufacturing the same are disclosed. The light emitting device package includes a package body, an electrode formed on at least one surface of the package body, a light emitting device mounted on the package body, and a phosphor layer enclosing the light emitting device while having a uniform thickness around the light emitting device.
    Type: Application
    Filed: June 22, 2012
    Publication date: October 18, 2012
    Inventors: Geun Ho Kim, Yu Ho Won, Chil Keun Park, Ki Chang Song
  • Patent number: 8263996
    Abstract: A light emitting device comprises a light emitting element having a first electrode and a second electrode, and a semiconductor member having a cavity in a principal surface thereof, inside which the light emitting element is mounted, and electrically connected to the light emitting element, wherein the semiconductor member is constructed as a voltage regulating diode for stabilizing a voltage supplied from the exterior. As a result, the light emitting element can be protected from a static electricity or a surge voltage flowed therein from the exterior, the entire size of the system can be remarkably reduced so as to simplify a structure thereof, and heat generated from the system can be effectively discharged to the exterior. In addition, by providing a reflection portion in the cavity, light emitted from the light emitting element can be efficiently condensed.
    Type: Grant
    Filed: July 25, 2011
    Date of Patent: September 11, 2012
    Assignee: LG Electronics Inc.
    Inventors: Geun-Ho Kim, Ki-Chang Song
  • Publication number: 20110278637
    Abstract: A light emitting device comprises a light emitting element having a first electrode and a second electrode, and a semiconductor member having a cavity in a principal surface thereof, inside which the light emitting element is mounted, and electrically connected to the light emitting element, wherein the semiconductor member is constructed as a voltage regulating diode for stabilizing a voltage supplied from the exterior. As a result, the light emitting element can be protected from a static electricity or a surge voltage flowed therein from the exterior, the entire size of the system can be remarkably reduced so as to simplify a structure thereof, and heat generated from the system can be effectively discharged to the exterior. In addition, by providing a reflection portion in the cavity, light emitted from the light emitting element can be efficiently condensed.
    Type: Application
    Filed: July 25, 2011
    Publication date: November 17, 2011
    Inventors: Geun-Ho Kim, Ki-Chang SONG
  • Patent number: 8008677
    Abstract: A light emitting device comprises a light emitting element having a first electrode and a second electrode, and a semiconductor member having a cavity in a principal surface thereof, inside which the light emitting element is mounted, and electrically connected to the light emitting element, wherein the semiconductor member is constructed as a voltage regulating diode for stabilizing a voltage supplied from the exterior. As a result, the light emitting element can be protected from a static electricity or a surge voltage flowed therein from the exterior, the entire size of the system can be remarkably reduced so as to simplify a structure thereof, and heat generated from the system can be effectively discharged to the exterior. In addition, by providing a reflection portion in the cavity, light emitted from the light emitting element can be efficiently condensed.
    Type: Grant
    Filed: June 30, 2008
    Date of Patent: August 30, 2011
    Assignee: LG Electronics Inc.
    Inventors: Geun-Ho Kim, Ki-Chang Song
  • Patent number: 7868349
    Abstract: A light source apparatus and a fabrication method thereof can prevent light interference between light emitting devices adjacent to each other and increase the luminous efficiency by collecting light emitted from the side of the light emitting device toward the front of a metal stem by forming grooves at a sub-mounts, bonding the light emitting device to the inside of the groove by a flip chip bonding method and forming a reflective layer inside the groove.
    Type: Grant
    Filed: February 17, 2005
    Date of Patent: January 11, 2011
    Assignee: LG Electronics Inc.
    Inventors: Geun-Ho Kim, Ki-Chang Song
  • Publication number: 20100187556
    Abstract: A light emitting device package capable of emitting uniform white light and a method for manufacturing the same are disclosed. The light emitting device package includes a package body, an electrode formed on at least one surface of the package body, a light emitting device mounted on the package body, and a phosphor layer enclosing the light emitting device while having a uniform thickness around the light emitting device.
    Type: Application
    Filed: April 7, 2010
    Publication date: July 29, 2010
    Inventors: Geun ho Kim, Yu Ho Won, Chil Keun Park, Ki Chang Song
  • Patent number: 7582537
    Abstract: A zener diode and methods for fabricating and packaging same are disclosed, whereby contact hole forming process exposing a diffusion layer is removed to enable to simplify the fabricating process, and the diffusion length not contacting the electrode line is determined by the crosswise length toward which the impurity is diffused to enable to reduce the zener impedance value. Furthermore, wet etching is used following the diffusion to remove the diffusion masks such that no damage is given to the diffusion layers to thereby enable to improve the zener diode characteristics.
    Type: Grant
    Filed: December 7, 2005
    Date of Patent: September 1, 2009
    Assignee: LG Electronics Inc.
    Inventors: Ki Chang Song, Geun Ho Kim
  • Publication number: 20090092031
    Abstract: Disclosed are an optical pickup module and a manufacturing method thereof. The manufacturing method of an optical pickup module includes: forming a wet-etching mask layer at an outer portion of an upper surface of a silicon substrate to be used as a sub mount; etching a middle portion of the silicon substrate by using the wet-etching mask layer thereby forming a cavity, forming an inclination surface at the etched portion, and then removing the wet-etching mask layer; forming an insulating layer on an entire upper surface of the to silicon substrate; forming an electrode layer on an upper surface of the insulating layer; forming adhesive layers at a part of an upper surface of the electrode layer; and arranging a light emitting device at an upper surface of one adhesive layer and arranging an MPD at an upper surface of another adhesive layer by a fixation thereby completing an optical pickup module.
    Type: Application
    Filed: December 8, 2008
    Publication date: April 9, 2009
    Inventors: Ki-Chang SONG, Geun-Ho KIM, Sun-Ho KIM
  • Publication number: 20080290820
    Abstract: A light emitting device comprises a light emitting element having a first electrode and a second electrode, and a semiconductor member having a cavity in a principal surface thereof, inside which the light emitting element is mounted, and electrically connected to the light emitting element, wherein the semiconductor member is constructed as a voltage regulating diode for stabilizing a voltage supplied from the exterior. As a result, the light emitting element can be protected from a static electricity or a surge voltage flowed therein from the exterior, the entire size of the system can be remarkably reduced so as to simplify a structure thereof, and heat generated from the system can be effectively discharged to the exterior. In addition, by providing a reflection portion in the cavity, light emitted from the light emitting element can be efficiently condensed.
    Type: Application
    Filed: June 30, 2008
    Publication date: November 27, 2008
    Inventors: Geun-Ho Kim, Ki-Chang Song
  • Publication number: 20080190493
    Abstract: Disclosed is the sensor module, including a housing having a connection path connected to a channel on which a fluid flows; a sensor disposed inside the housing so as to be communicated with the connection path, and measuring information about the fluid introduced from the connection path; and an overpressure protection means disposed at the connection path, and selectively blocking the connection path according to a pressure applied from the fluid so as to prevent the transfer of a pressure greater than a reference pressure to the sensor, the circulation system having the same, and the method for assembling the sensor module. It can prevent the transfer of an excessive pressure of the fluid to the sensor, thereby preventing the sensor from being damaged by the overpressure.
    Type: Application
    Filed: February 13, 2008
    Publication date: August 14, 2008
    Inventors: Chang-Hoon OH, Si-Hong Ahn, Ki-Chang Song
  • Patent number: 7411225
    Abstract: A light source apparatus and a fabrication method thereof can prevent light interference between light emitting devices adjacent to each other by forming a groove in a sub-mount and bonding a light emitting device to the groove, enhance heat radiating effect as well as luminous efficiency by collecting light emitted from the side of the light emitting device toward the front of the light source apparatus, reduce the process time and costs and increase reliability by directly connecting the sub-mount to the stem by the first electrode and the second electrode which pass through holes of the sub-mount, and extend a life span of the light emitting device because of the enhanced heat radiating effect.
    Type: Grant
    Filed: March 21, 2005
    Date of Patent: August 12, 2008
    Assignee: LG Electronics Inc.
    Inventors: Geun-Ho Kim, Ki-Chang Song, Sun-Ho Kim
  • Patent number: 7408203
    Abstract: A light emitting device comprises a light emitting element having a first electrode and a second electrode, and a semiconductor member having a cavity in a principal surface thereof, inside which the light emitting element is mounted, and electrically connected to the light emitting element, wherein the semiconductor member is constructed as a voltage regulating diode for stabilizing a voltage supplied from the exterior. As a result, the light emitting element can be protected from a static electricity or a surge voltage flowed therein from the exterior, the entire size of the system can be remarkably reduced so as to simplify a structure thereof, and heat generated from the system can be effectively discharged to the exterior. In addition, by providing a reflection portion in the cavity, light emitted from the light emitting element can be efficiently condensed.
    Type: Grant
    Filed: April 13, 2005
    Date of Patent: August 5, 2008
    Assignee: LG Electronics Inc.
    Inventors: Geun-Ho Kim, Ki-Chang Song
  • Publication number: 20080035942
    Abstract: A light emitting device package capable of emitting uniform white light and a method for manufacturing the same are disclosed. The light emitting device package includes a package body, an electrode formed on at least one surface of the package body, a light emitting device mounted on the package body, and a phosphor layer enclosing the light emitting device while having a uniform thickness around the light emitting device.
    Type: Application
    Filed: August 7, 2007
    Publication date: February 14, 2008
    Applicants: LG ELECTRONICS INC., LG INNOTEK CO., LTD
    Inventors: Geun Kim, Yu Ho Won, Chil Keun Park, Ki Chang Song
  • Publication number: 20080006837
    Abstract: A sub-amount for mounting a light emitting device and a light emitting device package using the sub-mount are disclosed. The light emitting device package includes a package body having a mount for mounting a light emitting device, and through holes, electrodes formed on the package body, and a reflective layer arranged on one of the electrodes formed on an upper surface of the package body. The reflective layer has openings for enabling the light emitting device to be coupled to the electrodes.
    Type: Application
    Filed: December 5, 2006
    Publication date: January 10, 2008
    Applicant: LG ELECTRONICS INC. AND LG INNOTEK CO., LTD
    Inventors: Chil Keun Park, Ki Chang Song, Geun Ho Kim, Yu Ho Won
  • Publication number: 20060208271
    Abstract: A light source apparatus and a fabrication method thereof can prevent light interference between light emitting devices adjacent to each other by forming a groove in a sub-mount and bonding a light emitting device to the groove, enhance heat radiating effect as well as luminous efficiency by collecting light emitted from the side of the light emitting device toward the front of the light source apparatus, reduce the process time and costs and increase reliability by directly connecting the sub-mount to the stem by the first electrode and the second electrode which pass through holes of the sub-mount, and extend a life span of the light emitting device because of the enhanced heat radiating effect.
    Type: Application
    Filed: March 21, 2005
    Publication date: September 21, 2006
    Inventors: Geun-Ho Kim, Ki-Chang Song, Sun-Ho Kim
  • Publication number: 20060180828
    Abstract: A light source apparatus and a fabrication method thereof can prevent light interference between light emitting devices adjacent to each other and increase the luminous efficiency by collecting light emitted from the side of the light emitting device toward the front of a metal stem by forming grooves at a sub-mounts, bonding the light emitting device to the inside of the groove by a flip chip bonding method and forming a reflective layer inside the groove.
    Type: Application
    Filed: February 17, 2005
    Publication date: August 17, 2006
    Inventors: Geun-Ho Kim, Ki-Chang Song
  • Publication number: 20050274959
    Abstract: Disclosed is a high power LED package, including an LED; a silicon submount to which the LED is flip chip bonded; a reflective film formed on the silicon submount and electrically connected to the LED to increase light emitting efficiency of the LED; electrical wires connected to the reflective film to connect the LED to an external circuit; an insulating body formed below the silicon submount; a heat sink formed below the insulating body; an insulating substrate formed on the heat sink; and metal lines formed on the insulating substrate and connected to the electrical wires. In the LED package, since the silicon submount having the LED flip chip bonded thereto is directly attached to the heat sink, heat generated upon operation of the LED can be effectively radiated. Also, the LED package has a simple structure, thus having drastically decreased manufacturing costs.
    Type: Application
    Filed: June 8, 2005
    Publication date: December 15, 2005
    Inventors: Geun-Ho Kim, Chil-Keun Park, Ki-Chang Song
  • Publication number: 20050230692
    Abstract: A light emitting device comprises a light emitting element having a first electrode and a second electrode, and a semiconductor member having a cavity in a principal surface thereof, inside which the light emitting element is mounted, and electrically connected to the light emitting element, wherein the semiconductor member is constructed as a voltage regulating diode for stabilizing a voltage supplied from the exterior. As a result, the light emitting element can be protected from a static electricity or a surge voltage flowed therein from the exterior, the entire size of the system can be remarkably reduced so as to simplify a structure thereof, and heat generated from the system can be effectively discharged to the exterior. In addition, by providing a reflection portion in the cavity, light emitted from the light emitting element can be efficiently condensed.
    Type: Application
    Filed: April 13, 2005
    Publication date: October 20, 2005
    Inventors: Geun-Ho Kim, Ki-Chang Song