Patents by Inventor Yun-Joo JO

Yun-Joo JO 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).

  • Organic light-emitting diode display device
    Patent number: 10170521
    Abstract: An organic light-emitting diode display device according to an embodiment includes a substrate on which red, green and blue sub-pixel regions are defined, first electrodes in the red, green and blue sub-pixel regions, respectively, and first, second and third light-emitting layers on the first electrodes in the red, green and blue sub-pixel regions, respectively. The organic light-emitting diode display device further includes a second electrode on the first, second and third light-emitting layers, and red, green and blue color filters disposed on the second electrode and corresponding to the red, green and blue sub-pixel regions, respectively, wherein a thickness of the first light-emitting layer is smaller than a thickness of the second light emitting layer.
    Type: Grant
    Filed: November 29, 2016
    Date of Patent: January 1, 2019
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Nack-Youn Jung, Heume-Il Baek, Myung-O Joo, Jeong-Mook Choi, Yun-Joo Jo
  • ORGANIC LIGHT-EMITTING DIODE DISPLAY DEVICE
    Publication number: 20170194385
    Abstract: An organic light-emitting diode display device according to an embodiment includes a substrate on which red, green and blue sub-pixel regions are defined, first electrodes in the red, green and blue sub-pixel regions, respectively, and first, second and third light-emitting layers on the first electrodes in the red, green and blue sub-pixel regions, respectively. The organic light-emitting diode display device further includes a second electrode on the first, second and third light-emitting layers, and red, green and blue color filters disposed on the second electrode and corresponding to the red, green and blue sub-pixel regions, respectively, wherein a thickness of the first light-emitting layer is smaller than a thickness of the second light emitting layer.
    Type: Application
    Filed: November 29, 2016
    Publication date: July 6, 2017
    Applicant: LG Display Co., Ltd.
    Inventors: Nack-Youn JUNG, Heume-Il BAEK, Myung-O JOO, Jeong-Mook CHOI, Yun-Joo JO