Patents by Inventor Chang-Sun RYU

Chang-Sun RYU 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).

  • COMPOSITION FOR ORGANIC OPTOELECTRONIC DEVICE, ORGANIC OPTOELECTRONIC DEVICE, AND DISPLAY DEVICE
    Publication number: 20240099129
    Abstract: The present invention relates to a composition for an organic optoelectronic device, the composition comprising: a first host compound represented by Chemical Formula 1 below; and a second host compound represented by Chemical Formula 2 below, to an organic optoelectronic device using the composition and a display device. The details of Chemical Formulas 1 and 2 above are as defined in the specification.
    Type: Application
    Filed: November 7, 2023
    Publication date: March 21, 2024
    Inventors: Dong Wan RYU, Chang Ju SHIN, Seungjae LEE, Hyung Sun KIM, Yuna JANG, Eun Sun YU, Sung-Hyun JUNG
  • COMPOSITION FOR ORGANIC OPTOELECTRONIC DEVICE, ORGANIC OPTOELECTRONIC DEVICE, AND DISPLAY DEVICE
    Publication number: 20240090325
    Abstract: The present invention relates to a composition for an organic optoelectronic device, the composition comprising: a first host compound represented by Chemical Formula 1 below; and a second host compound represented by Chemical Formula 2 below, to an organic optoelectronic device using the composition and a display device. The details of Chemical Formulas 1 and 2 above are as defined in the specification.
    Type: Application
    Filed: November 7, 2023
    Publication date: March 14, 2024
    Inventors: Dong Wan RYU, Chang Ju SHIN, Seungjae LEE, Hyung Sun KIM, Yuna JANG, Eun Sun YU, Sung-Hyun JUNG
  • Control video content play speed
    Patent number: 9264777
    Abstract: In one example embodiment, a system includes a content provider configured to transmit video content including a plurality of scenes; and an apparatus configured to: receive an input including a target playing time of the video content and a condition for changing a playing speed, determine a priority value for each of the scenes based at least in part on the condition for changing the playing speed, and determine a playing speed of each of the scenes based at least in part on the determined priority value and the target playing time of the video content.
    Type: Grant
    Filed: October 30, 2013
    Date of Patent: February 16, 2016
    Assignee: KT CORPORATION
    Inventors: Young-Ho Han, Jong-Se Park, Hee-Kyung Kim, Chang-Sun Ryu, Sungwon Park, Sung-Chan Park
  • CONTROL VIDEO CONTENT PLAY SPEED
    Publication number: 20140123195
    Abstract: In one example embodiment, a system includes a content provider configured to transmit video content including a plurality of scenes; and an apparatus configured to: receive an input including a target playing time of the video content and a condition for changing a playing speed, determine a priority value for each of the scenes based at least in part on the condition for changing the playing speed, and determine a playing speed of each of the scenes based at least in part on the determined priority value and the target playing time of the video content.
    Type: Application
    Filed: October 30, 2013
    Publication date: May 1, 2014
    Applicant: KT Corporation
    Inventors: Young-Ho HAN, Jong-Se PARK, Hee-Kyung KIM, Chang-Sun RYU, Sungwon PARK, Sung-Chan PARK