US Patent Issued to LG Display on July 21 for "Organic light emitting diode and organic light emitting device" (South Korean Inventors)

ALEXANDRIA, Va., July 21 -- United States Patent no. 12,690,323, issued on July 21, was assigned to LG Display Co. Ltd. (Seoul, South Korea).

"Organic light emitting diode and organic light emitting device" was invented by Byung-Gun Ahn (Paju-si, South Korea), Sung-Min Jo (Paju-si, South Korea) and Myeong-Seon Cho (Paju-si, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "An OLED includes a plurality of emitting parts among which a first emitting part includes an electron transport layer and a second emitting part includes a hole transport layer spaced apart from a second emitting material layer. At least one of the hole transport layer and the electron transport layer may include a high refractive...