US Patent Issued to Samsung Display on May 20 for "Development of material for hole blocking layer with high efficiency and long lifespan, and organic light-emitting device and electronic apparatus utilizing the same" (South Korean Inventors)

ALEXANDRIA, Va., June 16 -- United States Patent no. 12,310,233, issued on May 20, was assigned to Samsung Display Co. Ltd. (Yongin-si, South Korea).

"Development of material for hole blocking layer with high efficiency and long lifespan, and organic light-emitting device and electronic apparatus utilizing the same" was invented by Seulong Kim (Yongin-si, South Korea) and Heungsu Park (Yongin-si, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed are an organic light-emitting device including a first compound represented by Formula 1 below and a second compound represented by Formula 2 below, and an electronic apparatus including the organic light-emitting device. The variables in Formula 1...