ALEXANDRIA, Va., March 12 -- United States Patent no. 12,250,844, issued on March 11, was assigned to Samsung Display Co. Ltd. (Yongin-si, South Korea).
"Display device" was invented by Keun Chan Oh (Hwaseong-Si, South Korea) and Sun Kyu Joo (Suwon-Si, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "A display device is provided. The display device comprises: a first substrate including a plurality of pixels; a second substrate opposite to the first substrate; and an optical path change layer disposed between the first and second substrates and including a first pattern portion and a second pattern portion, wherein the first pattern portion has a first refractive index and includes a blue colorant,...