ALEXANDRIA, Va., July 21 -- United States Patent no. 12,690,354, issued on July 21, was assigned to LG Display Co. Ltd. (Seoul, South Korea).
"Display apparatus having improved light emitting efficiency" was invented by Hyeong-Jun Lim (Paju-si, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "A display apparatus includes: a substrate including a plurality of sub-pixels; an organic light emitting element formed in each of the plurality of sub-pixels; a light control member including a light control pattern disposed in each of the plurality of sub-pixels, and an air layer between adjacent light control patterns; and a color filter layer disposed on the light control member."
The patent was filed on ...