ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,454,644, issued on Oct. 28, was assigned to Sharp K.K. (Sakai, Japan).
"Display device and method for producing display device" was invented by Yang Qu (Sakai, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A display device includes a light-emitting layer and a hole transport layer. The light-emitting layer includes quantum dots coordinated with a ligand including a thiol group. The hole transport layer includes VNPB that is chemically bonded to the thiol group."
The patent was filed on June 4, 2020, under Application No. 17/928,805.
*For further information, including images, charts and tables, please visit: http://patft.uspto.gov/netacgi/nph-P...