US Patent Issued to RealD Spark on Oct. 7 for "Illumination apparatus comprising passive optical nanostructures" (British, American Inventors)

ALEXANDRIA, Va., Oct. 8 -- United States Patent no. 12,439,748, issued on Oct. 7, was assigned to RealD Spark LLC (Boulder, Colo.).

"Illumination apparatus comprising passive optical nanostructures" was invented by Jonathan Harrold (Upper Heyford, Great Britain), Michael G. Robinson (Boulder, Colo.) and Graham J. Woodgate (Henley-on-Thames, Great Britain).

According to the abstract* released by the U.S. Patent & Trademark Office: "An illumination apparatus is manufactured by selectively removing passive optical nanostructures from a monolithic array of light-emitting elements while preserving their relative spatial position. The nanostructures are selected such that, in at least one direction, for at least one pair of the selectively remo...