Patents by Inventor Suwoo Choi

Suwoo Choi 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 device and operating method thereof
    Patent number: 11756476
    Abstract: A display device includes a display panel, a backlight unit configured to provide light to the display panel, an external input interface configured to receive an image signal and image information about the image signal from an external device, and a processor configured to, when a frequency of the image signal is reduced from a first frequency to a second frequency according to a variable refresh rate (VRR) operation, transmit a local dimming signal based on a third frequency between the first frequency and the second frequency to the backlight unit.
    Type: Grant
    Filed: May 27, 2022
    Date of Patent: September 12, 2023
    Assignee: LG ELECTRONICS INC.
    Inventors: Chungwon Song, Suwoo Choi