ALEXANDRIA, Va., Feb. 17 -- United States Patent no. 12,557,481, issued on Feb. 17, was assigned to SAMSUNG DISPLAY Co. LTD. (Gyeonggi-Do, South Korea).
"Display device" was invented by Chul Hyun Choi (Yongin-si, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "A display device includes a base layer, a pixel defining layer, a light emitting element comprising a light emitting layer, and an encapsulation layer disposed on the light emitting element. The encapsulation layer includes a first optical layer, a second optical layer disposed on the first optical layer, a stabilization layer disposed on the second optical layer, and an optical control layer disposed on the stabilization layer. A refractive...