ALEXANDRIA, Va., July 3 -- United States Patent no. 12,349,547, issued on July 1, was assigned to LG Display Co. Ltd. (Seoul, South Korea).
"Electroluminescent display device" was invented by Sang-Bin Lee (Paju-si, South Korea), In-Sun Yoo (Paju-si, South Korea) and Jeong-Mook Choi (Paju-si, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "An electroluminescent display device includes first and second substrates on which a pixel including first, second, and third sub-pixels are defined, a light-emitting diode disposed at each of the first, second, and third sub-pixels on the first substrate and including a first electrode, a light-emitting layer and a second electrode, and a bank between adjacent s...