ALEXANDRIA, Va., Nov. 3 -- United States Patent no. 12,787,546, issued on Nov. 3, was assigned to SAMSUNG DISPLAY Co. LTD. (Yongin-si, South Korea).
"Organic light emitting diode display device" was invented by Myoung Geun Cha (Seoul, South Korea), Sang Gun Choi (Suwon-si, South Korea), Sang Sub Kim (Suwon-si, South Korea), Ji Yeong Shin (Busan, South Korea), Yong Su Lee (Seoul, South Korea) and Ki Seok Choi (Seoul, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "An organic light emitting diode display includes a first thin film transistor of which a channel is formed in a polycrystalline transistor, a second thin film transistor of which a channel is formed in an oxide semiconductor layer, an org...