Patents by Inventor Seang Gyu JANG

Seang Gyu JANG 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).

  • LIGHT EMITTING DEVICE HAVING COMMONLY CONNECTED LED SUB-UNITS
    Publication number: 20200303451
    Abstract: A display apparatus including a thin film transistor (TFT) substrate, a first LED sub-unit disposed on the TFT substrate, a second LED sub-unit disposed on the first LED sub-unit, a third LED sub-unit disposed on the second LED sub-unit, electrode pads disposed between the TFT substrate and the first LED sub-unit, and connectors connecting the first, second, and third LED sub-units to a respective one of the electrode pads, in which the first LED sub-unit, the second LED sub-unit, and the third LED sub-unit are configured to be independently driven, light generated from the first LED sub-unit is configured to be emitted to the outside of the display apparatus by passing through the second LED sub-unit and the third LED sub-unit, and light generated from the second LED sub-unit is configured to be emitted to the outside of the display apparatus by passing through the third LED sub-unit.
    Type: Application
    Filed: June 11, 2020
    Publication date: September 24, 2020
    Inventors: Jong Hyeon CHAE, Seang Gyu JANG, Ho Joon LEE, Chang Yeon KIM, Chung Hoon LEE