ALEXANDRIA, Va., March 31 -- United States Patent no. 12,593,597, issued on March 31, was assigned to SAMSUNG DISPLAY Co. LTD. (Yongin-si, South Korea).
"Display device" was invented by Chul Hyun Choi (Cheonan-si, South Korea), Hyun Gue Song (Hwaseong-si, South Korea) and Min Jae Kim (Yongin-si, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "A display device comprises a substrate; a light emitting element disposed on the substrate; a first layer disposed on the light emitting element, a second layer disposed on the first layer; and an encapsulation layer disposed on the second layer. The first layer has a first refractive index, the second layer has a second refractive index, the first refractive...