US Patent Issued to The Regents of the University of Michigan on Dec. 16 for "Optoelectronic device including charge generation layer stack" (Michigan Inventors)

ALEXANDRIA, Va., Dec. 16 -- United States Patent no. 12,501,766, issued on Dec. 16, was assigned to The Regents of the University of Michigan (Ann Arbor, Mich.).

"Optoelectronic device including charge generation layer stack" was invented by Stephen R. Forrest (Ann Arbor, Mich.), Caleb Coburn (Ann Arbor, Mich.) and Yue Qu (Ann Arbor, Mich.).

According to the abstract* released by the U.S. Patent & Trademark Office: "An optoelectronic device comprises an anode, an emissive layer positioned over the anode, a charge generation layer stack positioned over the emissive layer, the charge generation layer stack comprising at least one hole transport layer and at least one electron transport layer positioned over the hole transport layer, and a c...