US Patent Issued to E Ink on July 29 for "Electrically-actuated variable transmission film having very low haze and a visible grid in a clear state" (Irish Inventors)

ALEXANDRIA, Va., July 30 -- United States Patent no. 12,372,847, issued on July 29, was assigned to E Ink Corp. (Billerica, Mass.).

"Electrically-actuated variable transmission film having very low haze and a visible grid in a clear state" was invented by Donal Martin O'Keeffe (Shannon, Ireland) and Timothy O'Keeffe (Shannon, Ireland).

According to the abstract* released by the U.S. Patent & Trademark Office: "A light attenuator that provides transparent light states and absorbing dark states for use in selectively controlling light, especially for smart glass applications. The light attenuator includes abutting areas of attenuation and transparency that form a repeat pattern or a quasi-repeat pattern. The attenuating areas are visible wh...