US Patent Issued to E Ink on June 17 for "Method of forming a pattern on an optical device" (British Inventors)

ALEXANDRIA, Va., June 19 -- United States Patent no. 12,332,511, issued on June 17, was assigned to E Ink Corp. (Billerica, Mass.).

"Method of forming a pattern on an optical device" was invented by Peiman Hosseini (Oxon, Great Britain), Lokeshwar Bandhu (Oxford, Great Britain) and Ben Broughton (Oxford, Great Britain).

According to the abstract* released by the U.S. Patent & Trademark Office: "A pattern is formed on an optical device, where the optical device includes a plurality of pixel elements. Each pixel element has a stack of layers that includes a colour control layer and a brightness control layer superposed over each other. For each of one or more of the pixel elements: energy is deposited into the colour control layer to change...