Patents by Inventor Won Geun RYU

Won Geun 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).

  • Display apparatus
    Patent number: 10877305
    Abstract: Provided is a display apparatus including a light source configured to emit light; a light guide plate configured to diffuse and emit light emitted from the light source; and a local dimming portion configured to pass or scatter light emitted from the light guide plate. The local dimming portion may include an electro-optical material and a plurality of grains having refractive index that changes based on an electric field.
    Type: Grant
    Filed: August 7, 2019
    Date of Patent: December 29, 2020
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jin Hyun Cho, Nam Seok Roh, Won Geun Ryu, Sang Hyun Sohn, Hyo Gun Lee
  • DISPLAY APPARATUS
    Publication number: 20200064664
    Abstract: Provided is a display apparatus including a light source configured to emit light; a light guide plate configured to diffuse and emit light emitted from the light source; and a local dimming portion configured to pass or scatter light emitted from the light guide plate. The local dimming portion may include an electro-optical material and a plurality of grains having refractive index that changes based on an electric field.
    Type: Application
    Filed: August 7, 2019
    Publication date: February 27, 2020
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jin Hyun CHO, Nam Seok ROH, Won Geun RYU, Sang Hyun SOHN, Hyo Gun LEE