ALEXANDRIA, Va., Dec. 16 -- United States Patent no. 12,501,774, issued on Dec. 16, was assigned to SAMSUNG DISPLAY Co. LTD. (Gyeonggi-Do, South Korea).

"Display apparatus" was invented by Jonghyun Choi (Yongin-si, South Korea), Younjoon Kim (Yongin-si, South Korea) and Kijune Lee (Yongin-si, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "A display apparatus includes a substrate including a display area on which a display element is disposed, an emission control transistor which is disposed in the display area, includes a first semiconductor layer, and is connected to a pixel electrode of an organic light-emitting diode, a switching transistor disposed in the display area and including a second s...