US Patent Issued to reMarkable AS on Sept. 29 for "Ultra-thin frontlight having an optical coupling element" (British, Norwegian Inventors)

ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,748,250, issued on Sept. 29, was assigned to reMarkable AS (Oslo, Norway).

"Ultra-thin frontlight having an optical coupling element" was invented by Thomas James Watson (Cambridge, Great Britain), Emma Rachel Lewis (Cambridge, Great Britain), Isobel Jane Ashbey (Cambridge, Great Britain) and Hessel Vink (Oslo, Norway).

According to the abstract* released by the U.S. Patent & Trademark Office: "Embodiments of the invention provide an ultra-thin frontlight comprising an optical coupling element that receives light from a light source and directs the received light into a lightguide which is thinner than the height of the light source. The height of the optical coupling element is app...