ALEXANDRIA, Va., June 17 -- United States Patent no. 12,317,721, issued on May 27, was assigned to SAMSUNG ELECTRONICS Co. LTD. (Gyeonggi-Do, South Korea).
"Display apparatus" was invented by Seungyeon Kwak (Suwon-si, South Korea), Jiwhan Kim (Seoul, South Korea), Sunghun Lee (Hwaseong-si, South Korea) and Deukseok Chung (Yongin-si, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "A display apparatus includes an organic light-emitting device (OLED) substrate, a color control layer; a first optical layer to which the generated light of the organic light-emitting substrate is incident and from which wavelength range light is provided to the color control layer; and a second optical layer to which the...