Patents by Inventor June-o Song

June-o 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).

  • Light emitting device and light emitting device package
    Patent number: 10084116
    Abstract: Disclosed are a light emitting device and a light emitting device package. The light emitting device includes a light emitting structure including a first conductive semiconductor layer, an active layer on the first conductive semiconductor layer, and a second conductive semiconductor layer on the active layer, an adhesive layer contacting a top surface of the first conductive semiconductor layer, a first electrode contacting a top surface of the first conductive semiconductor and a top surface of the adhesive layer, and a second electrode contacting the second conductive semiconductor layer, wherein the adhesive layer contacting the first electrode is spaced apart from the second electrode.
    Type: Grant
    Filed: November 6, 2017
    Date of Patent: September 25, 2018
    Assignee: LG INNOTEK CO., LTD.
    Inventors: Hwan Hee Jeong, Sang Youl Lee, June O. Song, Ji Hyung Moon, Kwang Ki Choi
  • LIGHT EMITTING APPARATUS
    Publication number: 20180212119
    Abstract: A light emitting device including a contact layer, a blocking layer over the contact layer, a protection layer adjacent the blocking layer, a light emitter over the blocking layer, and an electrode layer coupled to the light emitter. The electrode layer overlaps the blocking layer and protection layer, and the blocking layer has an electrical conductivity that substantially blocks flow of current from the light emitter in a direction towards the contact layer. In addition, the protection layer may be conductive to allow current to flow to the light emitter or non-conductive to block current from flowing from the light emitter towards the contact layer.
    Type: Application
    Filed: January 23, 2018
    Publication date: July 26, 2018
    Inventors: Kwang Ki Choi, Hwan Hee Jeong, Sang Youl Lee, June O Song
  • SEMICONDUCTOR LIGHT-EMITTING DEVICE AND METHOD FOR FABRICATING THE SAME
    Publication number: 20180198030
    Abstract: A semiconductor light-emitting device is provided. The semiconductor light-emitting device may include a light-emitting structure, an electrode, an ohmic layer, an electrode layer, an adhesion layer, and a channel layer. The light-emitting structure may include a compound semiconductor layer. The electrode may be disposed on the light-emitting structure. The ohmic layer may be disposed under the light-emitting structure. The electrode layer may include a reflective metal under the ohmic layer. The adhesion layer may be disposed under the electrode layer. The channel layer may be disposed along a bottom edge of the light-emitting structure.
    Type: Application
    Filed: March 6, 2018
    Publication date: July 12, 2018
    Inventors: Hwan Hee JEONG, Sang Youl Lee, June O Song, Tchang Hun Oh, Hee Seok Choi, Kwang Ki Choi
  • Semiconductor light-emitting device and method for fabricating the same
    Patent number: 9935245
    Abstract: A semiconductor light-emitting device is provided. The semiconductor light-emitting device may include a light-emitting structure, an electrode, an ohmic layer, an electrode layer, an adhesion layer, and a channel layer. The light-emitting structure include a compound semiconductor layer. The electrode may be disposed on the light-emitting structure. The ohmic layer may be disposed under the light-emitting structure. The electrode layer may include a reflective metal under the ohmic layer. The adhesion layer may be disposed under the electrode layer. The channel layer may be disposed along a bottom edge of the light-emitting structure.
    Type: Grant
    Filed: February 15, 2017
    Date of Patent: April 3, 2018
    Assignee: LG INNOTEK CO., LTD.
    Inventors: Hwan Hee Jeong, Sang Youl Lee, June O Song, Tchang Hun Oh, Hee Seok Choi, Kwang Ki Choi
  • Light emitting apparatus
    Patent number: 9911908
    Abstract: A light emitting device including a contact layer, a blocking layer over the contact layer, a protection layer adjacent the blocking layer, a light emitter over the blocking layer, and an electrode layer coupled to the light emitter. The electrode layer overlaps the blocking layer and protection layer, and the blocking layer has an electrical conductivity that substantially blocks flow of current from the light emitter in a direction towards the contact layer. In addition, the protection layer may be conductive to allow current to flow to the light emitter or non-conductive to block current from flowing from the light emitter towards the contact layer.
    Type: Grant
    Filed: October 8, 2013
    Date of Patent: March 6, 2018
    Assignee: LG Innotek Co., Ltd.
    Inventors: Kwang Ki Choi, Hwan Hee Jeong, Sang Youl Lee, June O Song
  • LIGHT EMITTING DEVICE AND LIGHT EMITTING DEVICE PACKAGE
    Publication number: 20180062045
    Abstract: Disclosed are a light emitting device and a light emitting device package. The light emitting device includes a light emitting structure including a first conductive semiconductor layer, an active layer on the first conductive semiconductor layer, and a second conductive semiconductor layer on the active layer, an adhesive layer contacting a top surface of the first conductive semiconductor layer, a first electrode contacting a top surface of the first conductive semiconductor and a top surface of the adhesive layer, and a second electrode contacting the second conductive semiconductor layer, wherein the adhesive layer contacting the first electrode is spaced apart from, the second electrode.
    Type: Application
    Filed: November 6, 2017
    Publication date: March 1, 2018
    Inventors: Hwan Hee JEONG, Sang Youl LEE, June O. SONG, Ji Hyung MOON, Kwang Ki CHOI
  • Light emitting apparatus
    Patent number: 9899581
    Abstract: A light emitting device including a contact layer, a blocking layer over the contact layer, a protection layer adjacent the blocking layer, a light emitter over the blocking layer, and an electrode layer coupled to the light emitter. The electrode layer overlaps the blocking layer and protection layer, and the blocking layer has an electrical conductivity that substantially blocks flow of current from the light emitter in a direction towards the contact layer. In addition, the protection layer may be conductive to allow current to flow to the light emitter or non-conductive to block current from flowing from the light emitter towards the contact layer.
    Type: Grant
    Filed: July 1, 2015
    Date of Patent: February 20, 2018
    Assignee: LG INNOTEK CO., LTD.
    Inventors: Kwang Ki Choi, Hwan Hee Jeong, Sang Youl Lee, June O Song
  • Light emitting device
    Patent number: 9899567
    Abstract: A light emitting device includes a metal layer, a light emitting structure, an electrode disposed on a first upper portion of a second conductive type semiconductor layer, a current spreading portion disposed on a second upper portion of the second conductive type semiconductor layer, an adhesive layer disposed under a first conductive type semiconductor layer, an insulating layer disposed between the electrode and the adhesive layer, a passivation layer disposed on a side surface of the light emitting structure and on a at least one upper surface of the light emitting structure, and a reflective layer disposed between the metal layer and the first conductive type semiconductor layer.
    Type: Grant
    Filed: August 23, 2016
    Date of Patent: February 20, 2018
    Assignee: LG INNOTEK CO., LTD.
    Inventors: Hwan Hee Jeong, Sang Youl Lee, June O Song, Kwang Ki Choi
  • Light emitting device, electrode structure, light emitting device package, and lighting system
    Patent number: 9882092
    Abstract: Provided are a light emitting device, an electrode structure, a light emitting device package, and a lighting system. The light emitting device includes a light emitting structure layer comprising a first semiconductor layer, a second semiconductor layer, and an active layer. An electrode disposed on a top surface of the first semiconductor layer, a first layer includes a transmittive oxide material between the top surface of the first semiconductor layer and the electrode, and a second layer disposed is disposed between the first layer and the electrode, wherein the first layer is formed in a different material from the second layer, wherein the electrode comprises a lower portion connected to the first semiconductor layer and an upper portion on a top surface of the second layer.
    Type: Grant
    Filed: October 4, 2016
    Date of Patent: January 30, 2018
    Assignee: LG INNOTEK CO., LTD.
    Inventors: Kwang Ki Choi, Hwan Hee Jeong, Sang Youl Lee, June O Song
  • Light emitting device and light emitting device package
    Patent number: 9837581
    Abstract: Disclosed are a light emitting device and a light emitting device package. The light emitting device includes a light emitting structure including a first conductive semiconductor layer, an active layer on the first conductive semiconductor layer, and a second conductive semiconductor layer on the active layer, an adhesive layer contacting a top surface of the first conductive semiconductor layer, a first electrode contacting a top surface of the first conductive semiconductor and a top surface of the adhesive layer, and a second electrode contacting the second conductive semiconductor layer, wherein the adhesive layer contacting the first electrode is spaced apart from the second electrode.
    Type: Grant
    Filed: January 10, 2017
    Date of Patent: December 5, 2017
    Assignee: LG INNOTEK CO., LTD.
    Inventors: Hwan Hee Jeong, Sang Youl Lee, June O. Song, Ji Hyung Moon, Kwang Ki Choi
  • Light emitting device and manufacturing method for same
    Patent number: 9735327
    Abstract: Disclosed are a light emitting device and a method of manufacturing the same. The light emitting device includes a support substrate, a reflective ohmic contact layer on the support substrate, a functional complex layer including a process assisting region and ohmic contact regions divided by the process assisting region on the reflective ohmic contact layer, and a light emitting semiconductor layer including a second conductive semiconductor layer, an active layer, and a first conductive semiconductor layer on each ohmic contact region.
    Type: Grant
    Filed: June 23, 2014
    Date of Patent: August 15, 2017
    Assignee: LG INNOTEK CO., LTD.
    Inventor: June O Song
  • SEMICONDUCTOR LIGHT-EMITTING DEVICE AND METHOD FOR FABRICATING THE SAME
    Publication number: 20170162753
    Abstract: A semiconductor light-emitting device is provided. The semiconductor light-emitting device may include a light-emitting structure, an electrode, an ohmic layer, an electrode layer, an adhesion layer, and a channel layer. The light-emitting structure include a compound semiconductor layer. The electrode may be disposed on the light-emitting structure. The ohmic layer may be disposed under the light-emitting structure. The electrode layer may include a reflective metal under the ohmic layer. The adhesion layer may be disposed under the electrode layer. The channel layer may be disposed along a bottom edge of the light-emitting structure.
    Type: Application
    Filed: February 15, 2017
    Publication date: June 8, 2017
    Inventors: Hwan Hee JEONG, Sang Youl LEE, June O SONG, Tchang Hun OH, Hee Seok CHOI, Kwang Ki CHOI
  • LIGHT EMITTING DEVICE AND LIGHT EMITTING DEVICE PACKAGE
    Publication number: 20170125639
    Abstract: Disclosed are a light emitting device and a light emitting device package. The light emitting device includes a light emitting structure including a first conductive semiconductor layer, an active layer on the first conductive semiconductor layer, and a second conductive semiconductor layer on the active layer, an adhesive layer contacting a top surface of the first conductive semiconductor layer, a first electrode contacting a top surface of the first conductive semiconductor and a top surface of the adhesive layer, and a second electrode contacting the second conductive semiconductor layer, wherein the adhesive layer contacting the first electrode is spaced apart from the second electrode.
    Type: Application
    Filed: January 10, 2017
    Publication date: May 4, 2017
    Inventors: Hwan Hee JEONG, Sang Youl LEE, June O. SONG, JiHyung MOON, Kwang Ki CHOI
  • Light emitting device and light emitting device package thereof
    Patent number: 9640726
    Abstract: A light emitting device includes a light emitting structure including a second conduction type semiconductor layer, an active layer, and a first conduction type semiconductor layer, a second electrode layer arranged under the light emitting structure, a first electrode layer having at least portion extending to contact the first conduction type semiconductor layer passing the second conduction type semiconductor layer and the active layer, and an insulating layer arranged between the second electrode layer and the first electrode layer, between the second conduction type semiconductor layer and the first electrode layer, and between the active layer and the first electrode layer, wherein said at least one portion of the first electrode layer contacting the first conduction type semiconductor layer has a roughness.
    Type: Grant
    Filed: January 31, 2014
    Date of Patent: May 2, 2017
    Assignee: LG INNOTEK CO., LTD.
    Inventors: Sang Youl Lee, Ji Hyung Moon, June O Song, Kwang Ki Choi, Chung Song Kim, Hwan Hee Jeong
  • Semiconductor light-emitting device and method for fabricating the same
    Patent number: 9608169
    Abstract: A semiconductor light-emitting device is provided. The semiconductor light-emitting device may include a light-emitting structure, an electrode, an ohmic layer, an electrode layer, an adhesion layer, and a channel layer. The light-emitting structure may include a compound semiconductor layer. The electrode may be disposed on the light-emitting structure. The ohmic layer may be disposed under the light-emitting structure. The electrode layer may include a reflective metal under the ohmic layer. The adhesion layer may be disposed under the electrode layer. The channel layer may be disposed along a bottom edge of the light-emitting structure.
    Type: Grant
    Filed: July 13, 2015
    Date of Patent: March 28, 2017
    Assignee: LG INNOTEK CO., LTD.
    Inventors: Hwan Hee Jeong, Sang Youl Lee, June O Song, Tchang Hun Oh, Hee Seok Choi, Kwang Ki Choi
  • Light emitting device and light emitting device package
    Patent number: 9577150
    Abstract: Disclosed are a light emitting device and a light emitting device package. The light emitting device includes a light emitting structure including a first conductive semiconductor layer, an active layer on the first conductive semiconductor layer, and a second conductive semiconductor layer on the active layer, an adhesive layer contacting a top surface of the first conductive semiconductor layer, a first electrode contacting a top surface of the first conductive semiconductor and a top surface of the adhesive layer, and a second electrode contacting the second conductive semiconductor layer, wherein the adhesive layer contacting the first electrode is spaced apart from the second electrode.
    Type: Grant
    Filed: February 16, 2016
    Date of Patent: February 21, 2017
    Assignee: LG INNOTEK CO., LTD.
    Inventors: Hwan Hee Jeong, Sang Youl Lee, June O. Song, Ji Hyung Moon, Kwang Ki Choi
  • LIGHT EMITTING DEVICE, ELECTRODE STRUCTURE, LIGHT EMITTING DEVICE PACKAGE, AND LIGHTING SYSTEM
    Publication number: 20170025579
    Abstract: Provided are a light emitting device, an electrode structure, a light emitting device package, and a lighting system. The light emitting device includes a light emitting structure layer comprising a first semiconductor layer, a second semiconductor layer, and an active layer. An electrode disposed on a top surface of the first semiconductor layer, a first layer includes a transmittive oxide material between the top surface of the first semiconductor layer and the electrode, and a second layer disposed is disposed between the first layer and the electrode, wherein the first layer is formed in a different material from the second layer, wherein the electrode comprises a lower portion connected to the first semiconductor layer and an upper portion on a top surface of the second layer.
    Type: Application
    Filed: October 4, 2016
    Publication date: January 26, 2017
    Inventors: Kwang Ki CHOI, Hwan Hee Jeong, Sang Youl Lee, June O Song
  • Light emitting device
    Patent number: 9543467
    Abstract: Disclosed is a light emitting device. The light emitting device includes a first conductive semiconductor layer, an active layer over the first conductive semiconductor layer, a second conductive semiconductor layer over the active layer, a superlattice structure layer over the second conductive semiconductor layer, and a first current spreading layer including a transmissive conductive thin film over the superlattice structure layer.
    Type: Grant
    Filed: April 13, 2009
    Date of Patent: January 10, 2017
    Assignee: LG INNOTEK CO., LTD.
    Inventor: June O Song
  • LIGHT EMITTING DEVICE
    Publication number: 20160365484
    Abstract: A light emitting device includes a metal layer, a light emitting structure, an electrode disposed on a first upper portion of a second conductive type semiconductor layer, a current spreading portion disposed on a second upper portion of the second conductive type semiconductor layer, an adhesive layer disposed under a first conductive type semiconductor layer, an insulating layer disposed between the electrode and the adhesive layer, a passivation layer disposed on a side surface of the light emitting structure and on a at least one upper surface of the light emitting structure, and a reflective layer disposed between the metal layer and the first conductive type semiconductor layer.
    Type: Application
    Filed: August 23, 2016
    Publication date: December 15, 2016
    Applicant: LG INNOTEK CO., LTD.
    Inventors: Hwan Hee JEONG, Sang Youl LEE, June O SONG, Kwang Ki CHOI
  • Light emitting device, electrode structure, light emitting device package, and lighting system
    Patent number: 9496460
    Abstract: Provided are a light emitting device, an electrode structure, a light emitting device package, and a lighting system. The light emitting device includes a light emitting structure layer comprising a first semiconductor layer, a second semiconductor layer, and an active layer. An electrode disposed on a top surface of the first semiconductor layer, a first layer includes a transmittive oxide material between the top surface of the first semiconductor layer and the electrode, and a second layer disposed is disposed between the first layer and the electrode, wherein the first layer is formed in a different material from the second layer, wherein the electrode comprises a lower portion connected to the first semiconductor layer and an upper portion on a top surface of the second layer.
    Type: Grant
    Filed: October 16, 2013
    Date of Patent: November 15, 2016
    Assignee: LG Innotek Co., Ltd.
    Inventors: Kwang Ki Choi, Hwan Hee Jeong, Sang Youl Lee, June O Song