ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,457,856, issued on Oct. 28, was assigned to Samsung Display Co. Ltd. (Yongin-Si, South Korea).
"Light emitting display device" was invented by Nak Cho Choi (Yongin-si, South Korea), Taek Geun Lee (Cheonan-si, South Korea), Kwang Sik Lee (Cheonan-si, South Korea) and Yun-Kyeong In (Hwaseong-si, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure relates to a light emitting display device including: a substrate; an anode positioned on the substrate; a black pixel defining layer, wherein an opening overlapping an anode is defined in the black pixel defining layer; an emission layer positioned in the opening of the black pixel ...