US Patent Issued to E Ink on April 15 for "Sealing layers comprising a conductive filler for sealing microcells of electrophoretic displays" (California, Massachusetts Inventors)

ALEXANDRIA, Va., June 5 -- United States Patent no. 12,276,894, issued on April 15, was assigned to E Ink Corp. (Billerica, Mass.).

"Sealing layers comprising a conductive filler for sealing microcells of electrophoretic displays" was invented by Ali Sarvi (San Jose, Calif.), Abraham Berhane (Tracy, Calif.), Mary E. Parent (Mountain View, Calif.), Kenneth R. Crounse (Somerville, Mass.) and Stephen J. Telfer (Arlington, Mass.).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention is directed to a sealing layer that comprises a poly(vinyl alcohol) homopolymer or a poly(vinyl alcohol-co-ethylene) copolymer, a polyurethane, and a conductive filler. The sealing layer shows good barrier properties to...