ALEXANDRIA, Va., Sept. 15 -- United States Patent no. 12,740,315, issued on Sept. 15, was assigned to Universal Display Corp. (Ewing, N.J.).

"Organic electroluminescent materials and devices" was invented by Nicholas J. Thompson (New Hope, Pa.), Hsiao-Fan Chen (Lawrence Township, N.J.), Peter Wolohan (Princeton Junction, N.J.), Zhiqiang Ji (Chalfont, Pa.) and Chun Lin (Yardley, Pa.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided are compounds useful in OLED application that have a structure of Formula Iwhere: GD is a donor group and GA is an acceptor group; L1 and L2 are each independently an organic linker or a direct bond; G1 is a non-conjugated moiety; m is an integer of at least 1; n is an intege...