US Patent Issued to Universal Display on April 7 for "Organic electroluminescent materials and devices" (New Jersey Inventors)

ALEXANDRIA, Va., April 7 -- United States Patent no. 12,598,908, issued on April 7, was assigned to Universal Display Corp. (Ewing, N.J.).

"Organic electroluminescent materials and devices" was invented by Hsiao-Fan Chen (Lawrence Township, N.J.) and Jerald Feldman (Cherry Hill, N.J.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A compound having a structure of Formula I,is provided. In Formula I, two of Z1, Z2, Z3, and Z4 are C and the other two are N; each of X1 to X16 is independently C or N; each of L1 and L2 is independently a direct bond or a linker; one of L1 and L2 is present; M is Pd or Pt; each RA, RB, RC, and RD is independently hydrogen or a substitutent selected from the General Substituent; an...