US Patent Issued to Changchun Hyperions Technology on May 13 for "Heterocyclic derivative and organic electroluminescent device thereof" (Chinese Inventors)

ALEXANDRIA, Va., June 12 -- United States Patent no. 12,297,191, issued on May 13, was assigned to Changchun Hyperions Technology Co. Ltd (Changchun, China).

"Heterocyclic derivative and organic electroluminescent device thereof" was invented by Qian Zhao (Changchun, China), Xiaohui Wang (Changchun, China) and Dongda Zhu (Changchun, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided are a heterocyclic derivative and an organic electroluminescent device thereof, which relates to the field of organic photoelectric materials. The heterocyclic derivative of Formula I has high electron mobility and great hole blocking performance, and thus the organic electroluminescent device prepared by using the het...