ALEXANDRIA, Va., Nov. 18 -- United States Patent no. 12,477,890, issued on Nov. 18, was assigned to Universal Display Corp. (Ewing, N.J.).
"Organic electroluminescent materials and devices" was invented by Jui-Yi Tsai (Newtown, Pa.), Alexey Borisovich Dyatkin (Ambler, Pa.), Zhiqiang Ji (Chalfont, Pa.), Walter Yeager (Yardley, Pa.) and Pierre-Luc T. Boudreault (Pennington, N.J.).
According to the abstract* released by the U.S. Patent & Trademark Office: "Compounds having a particular molecular shape that makes transition dipole moments (TDM) of the compounds in an EML align within the plane of the EML and produce the maximum light extraction effect are disclosed."
The patent was filed on Jan. 23, 2020, under Application No. 16/750,415.
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