ALEXANDRIA, Va., Aug. 18 -- United States Patent no. 12,709,804, issued on Aug. 18, was assigned to Universal Display Corp. (Ewing, N.J.).
"Organic vapor jet printing system" was invented by Gregory McGraw (Yardley, Pa.), William E. Quinn (Whitehouse Station, N.J.), Gregg Kottas (Ewing, N.J.), Siddharth Harikrishna Mohan (Plainsboro, N.J.) and Matthew King (Moorestown, N.J.).
According to the abstract* released by the U.S. Patent & Trademark Office: "Systems and techniques for depositing organic material on a substrate are provided, in which one or more shield gas flows prevents contamination of the substrate by the chamber ambient. Thus, multiple layers of the same or different materials may be deposited in a single deposition chamber, w...