ALEXANDRIA, Va., July 23 -- United States Patent no. 12,369,458, issued on July 22, was assigned to SAMSUNG DISPLAY Co. LTD. (Gyeonggi-Do, South Korea).

"Display device" was invented by Hyeonbum Lee (Hwaseong-si, South Korea), Chiwook An (Hwaseong-si, South Korea) and Hyunduck Cho (Anyang-si, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "A display device includes a display panel, a first insulating layer on the display panel and having a first refractive index, and a second insulating layer on the first insulating layer and having a second refractive index. The display panel includes a pixel definition layer in which a plurality of emission openings are defined, and a plurality of light emitting...