US Patent Issued to UNIVERSAL DISPLAY CORPRATION on Oct. 7 for "Organic electroluminescent materials and devices" (New Jersey, Pennsylvania Inventors)

ALEXANDRIA, Va., Oct. 8 -- United States Patent no. 12,439,813, issued on Oct. 7, was assigned to UNIVERSAL DISPLAY CORPRATION (Ewing, N.J.).

"Organic electroluminescent materials and devices" was invented by Bin Ma (Plainsboro, N.J.), Alan Deangelis (Pennington, N.J.), Chuanjun Xia (Lawrenceville, N.J.) and Bert Alleyne (Newtown, Pa.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A compound comprising a heteroleptic iridium complex having a structure of Formula II,is provided. In Formula II, each of R1, R2, R3, R4, R5, and R6, is independently selected from the group consisting of hydrogen, deuterium, cycloalkyl, deuterated cycloalkyl, alkyl, and deuterated alkyl; at least one of R1, R2, R3, R4, R5, and R6 ...