ALEXANDRIA, Va., July 15 -- United States Patent no. 12,666,850, issued on June 23, was assigned to LG Display Co. Ltd. (Seoul, South Korea).
"Light emitting display device" was invented by In-Goo Lee (Paju-si, South Korea), Hyeon-Hye Yu (Paju-si, South Korea) and Won-Sik Lee (Paju-si, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "A light emitting display device includes an inclined reflective portion that is below a bank and disposed in each of a plurality of pixel regions. The device includes a light emitting diode disposed in an opening. Each of the plurality of pixel regions is configured such that the corresponding opening and reflective portion have a cardioid-shaped structure with a cusp....