US Patent Issued to Universal Display on May 27 for "Host materials for electroluminescent devices" (Pennsylvania, New Jersey Inventors)

ALEXANDRIA, Va., June 17 -- United States Patent no. 12,317,747, issued on May 27, was assigned to Universal Display Corp. (Ewing, N.J.).

"Host materials for electroluminescent devices" was invented by Chun Lin (Yardley, Pa.) and Zhiqiang Ji (Ewing, N.J.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A compound having a structure of Formula Iis disclosed, where at least one of R1 and R2 that is ortho to a boron atom of Formula I comprises a structure selected from (9-carbazolyl)-carbazole, indolocarbazole, triphenylene, fluorene, dibenzothiophene, dibenzofuran, dibenzoselenophene, pyridine, pyrimidine, triazine, aza-triphenylene, aza-fluorene, aza-carbazole, aza-dibenzothiophene, aza-dibenzofuran, and aza-di...