ALEXANDRIA, Va., Aug. 26 -- United States Patent no. 12,402,505, issued on Aug. 26, was assigned to SAMSUNG DISPLAY Co. LTD. (Yongin-si, South Korea).
"Organic light-emitting display apparatus" was invented by Hyunyoung Kim (Yongin-si, South Korea) and Dohoon Kim (Yongin-si, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "An organic light-emitting display apparatus includes a thin-film transistor on a substrate, a planarization layer on the thin-film transistor, and a pixel-defining spacer on the planarization layer. The pixel-defining spacer defines a pixel area between two pixels that are adjacent in a first direction."
The patent was filed on May 11, 2021, under Application No. 17/317,229.
*F...