Patents by Inventor Joo Hyang PARK

Joo Hyang PARK 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).

  • Lighting unit and display device having the same
    Patent number: 9223173
    Abstract: A lighting unit may include a bottom cover having a plurality of sidewalls, a board, a plurality of light emitting diodes, and a light-transmitting resin layer over the plurality of light emitting devices and the board. One of the sidewalls includes a first fixing groove having an inside region greater than an opened inlet region. The light-transmitting resin layer may be provided within the first fixing groove in order to support the light-transmitting resin layer.
    Type: Grant
    Filed: October 11, 2013
    Date of Patent: December 29, 2015
    Assignee: LG Innotek Co., Ltd.
    Inventor: Joo Hyang Park
  • Light emitting device
    Patent number: 8860055
    Abstract: A light emitting device according to the embodiment includes a first conductive semiconductor layer; an active layer under the first conductive semiconductor layer; a second conductive semiconductor layer under the active layer; a current blocking region under the second conductive semiconductor layer; a second electrode layer under the second conductive semiconductor layer and the current blocking region; and a first electrode layer including a protrusion protruding toward the first conductive semiconductor layer arranged, on the first conductive semiconductor layer.
    Type: Grant
    Filed: November 10, 2011
    Date of Patent: October 14, 2014
    Assignee: LG Innotek Co., Ltd.
    Inventors: Kyong Jun Kim, Joo Hyang Park
  • LIGHTING UNIT AND DISPLAY DEVICE HAVING THE SAME
    Publication number: 20140036480
    Abstract: Provided are a lighting unit and a display device including the same. The lighting unit includes a bottom cover having a plurality of sidewalls, light emitting modules each including a board disposed on the bottom cover and a plurality of light emitting diodes mounted on the board, and a light-transmitting resin layer covering the bottom cover and the board.
    Type: Application
    Filed: October 11, 2013
    Publication date: February 6, 2014
    Inventor: Joo Hyang PARK
  • Lighting unit and display device having the same
    Patent number: 8568012
    Abstract: Provided are a lighting unit and a display device including the same. The lighting unit includes a bottom cover having a plurality of sidewalls, light emitting modules each including a board disposed on the bottom cover and a plurality of light emitting diodes mounted on the board, and a light-transmitting resin layer covering the bottom cover and the board.
    Type: Grant
    Filed: January 14, 2011
    Date of Patent: October 29, 2013
    Assignee: LG Innotek Co., Ltd.
    Inventor: Joo Hyang Park
  • LIGHT EMITTING DEVICE
    Publication number: 20120056230
    Abstract: A light emitting device according to the embodiment includes a first conductive semiconductor layer; an active layer under the first conductive semiconductor layer; a second conductive semiconductor layer under the active layer; a current blocking region under the second conductive semiconductor layer; a second electrode layer under the second conductive semiconductor layer and the current blocking region; and a first electrode layer including a protrusion protruding toward the first conductive semiconductor layer arranged, on the first conductive semiconductor layer.
    Type: Application
    Filed: November 10, 2011
    Publication date: March 8, 2012
    Inventors: Kyong Jun KIM, Joo Hyang Park
  • LIGHTING UNIT AND DISPLAY DEVICE HAVING THE SAME
    Publication number: 20110199788
    Abstract: Provided are a lighting unit and a display device including the same. The lighting unit includes a bottom cover having a plurality of sidewalls, light emitting modules each including a board disposed on the bottom cover and a plurality of light emitting diodes mounted on the board, and a light-transmitting resin layer covering the bottom cover and the board.
    Type: Application
    Filed: January 14, 2011
    Publication date: August 18, 2011
    Inventor: Joo Hyang PARK
  • LIGHT EMITTING DEVICE
    Publication number: 20110024776
    Abstract: A light emitting device according to the embodiment includes a first conductive semiconductor layer; an active layer under the first conductive semiconductor layer; a second conductive semiconductor layer under the active layer; a current blocking region under the second conductive semiconductor layer; a second electrode layer under the second conductive semiconductor layer and the current blocking region; and a first electrode layer including a protrusion protruding toward the first conductive semiconductor layer arranged, on the first conductive semiconductor layer.
    Type: Application
    Filed: July 27, 2010
    Publication date: February 3, 2011
    Inventors: Kyong Jun KIM, Joo Hyang PARK