Patents by Inventor Yun-Jee PARK

Yun-Jee 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).

  • Organic light-emitting device and method of manufacturing the same
    Patent number: 10825993
    Abstract: An organic light-emitting device includes a first electrode, a second electrode, and an organic layer between the first and second electrodes and including an emission layer, wherein the emission layer comprises a first host represented by Formula 1 and a second host represented by Formula 2:
    Type: Grant
    Filed: March 10, 2015
    Date of Patent: November 3, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventors: Yun-Jee Park, Ji-Hyun Seo
  • ORGANIC LIGHT-EMITTING DEVICE AND METHOD OF MANUFACTURING THE SAME
    Publication number: 20150364696
    Abstract: An organic light-emitting device includes a first electrode, a second electrode, and an organic layer between the first and second electrodes and including an emission layer, wherein the emission layer comprises a first host represented by Formula 1 and a second host represented by Formula 2:
    Type: Application
    Filed: March 10, 2015
    Publication date: December 17, 2015
    Inventors: Yun-Jee Park, Ji-Hyun Seo
  • ORGANIC LIGHT EMITTING DEVICE
    Publication number: 20150014657
    Abstract: An organic light emitting device includes a first electrode and a second electrode facing to each other; and an organic layer between first electrode and the second electrode. The organic layer includes an assistance layer on the first electrode and an emission layer on the assistance layer. The assistance layer includes a compound represented by Chemical Formula 1: where L1, L2, R1, R2, and n are as further defined in the specification.
    Type: Application
    Filed: May 9, 2014
    Publication date: January 15, 2015
    Applicant: SAMSUNG DISPLAY CO., LTD.
    Inventors: Yun-Jee PARK, Ji-Hyun SEO