ALEXANDRIA, Va., Nov. 25 -- United States Patent no. 12,484,413, issued on Nov. 25, was assigned to LG Display Co. Ltd. (Seoul, South Korea).
"Light emitting display device" was invented by Sae Mi Park (Paju-si, South Korea), Myeong Seon Cho (Paju-si, South Korea) and Wook Song (Paju-si, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed is a light emitting display device configured to have a structure in which an auxiliary conversion portion including color conversion layers having different transmission characteristics and overlapping each other is applied to a non-emission portion of a subpixel, whereby luminous efficacy is improved and current-density-specific color purity is equalized,...