Patents by Inventor Il-Doo JEONG

Il-Doo JEONG 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).

  • Touch type organic light emitting diode display device
    Patent number: 9696768
    Abstract: An organic light emitting diode display device includes a display portion including a substrate, and an organic light emitting diode on the substrate; and an electromagnetic induction sensor portion attached to a bottom of the display portion, wherein the electromagnetic induction sensor portion includes: a back plate; a protection layer covering a bottom of the back plate; and a loop antenna pattern on at least one of top and bottom surfaces of the back plate.
    Type: Grant
    Filed: December 19, 2013
    Date of Patent: July 4, 2017
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Il-Doo Jeong, Ha-Zoong Kim, Hyun-Kyu Park, Jin-Wook Choi
  • Input system with stylus pen having two coils and elastic member
    Patent number: 9098131
    Abstract: Discussed is an input system that includes a sensor panel including plural first and second channels intersecting each other, a stylus pen including a first core and a second core divided from each other, a primary coil and a secondary coil wound on the first and second cores, an elastic member interposed between the first core and the second core, a resonant capacitor and a switch connected to the secondary coil in series, and a conductive tip connected to the primary coil, a ground unit connected to the stylus pen, an antenna loop formed at the edge area of the sensor panel, and a touch controller connected to the first and second channels and the antenna loop.
    Type: Grant
    Filed: July 2, 2013
    Date of Patent: August 4, 2015
    Assignee: LG Electronics Inc.
    Inventor: Il-Doo Jeong
  • TOUCH TYPE ORGANIC LIGHT EMITTING DIODE DISPLAY DEVICE
    Publication number: 20140320759
    Abstract: An organic light emitting diode display device includes a display portion including a substrate, and an organic light emitting diode on the substrate; and an electromagnetic induction sensor portion attached to a bottom of the display portion, wherein the electromagnetic induction sensor portion includes: a back plate; a protection layer covering a bottom of the back plate; and a loop antenna pattern on at least one of top and bottom surfaces of the back plate.
    Type: Application
    Filed: December 19, 2013
    Publication date: October 30, 2014
    Applicant: LG Display Co., Ltd.
    Inventors: Il-Doo JEONG, Ha-Zoong KIM, Hyun-Kyu PARK, Jin-Wook CHOI
  • INPUT SYSTEM
    Publication number: 20140132529
    Abstract: Discussed is an input system that includes a sensor panel including plural first and second channels intersecting each other, a stylus pen including a first core and a second core divided from each other, a primary coil and a secondary coil wound on the first and second cores, an elastic member interposed between the first core and the second core, a resonant capacitor and a switch connected to the secondary coil in series, and a conductive tip connected to the primary coil, a ground unit connected to the stylus pen, an antenna loop formed at the edge area of the sensor panel, and a touch controller connected to the first and second channels and the antenna loop.
    Type: Application
    Filed: July 2, 2013
    Publication date: May 15, 2014
    Inventor: Il-Doo JEONG