US Patent Issued to Sandbox Light Engineering on Oct. 14 for "Light valve surface image and light beam projector" (American, British Inventors)

ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,443,073, issued on Oct. 14, was assigned to Sandbox Light Engineering Corp. (Philadelphia).

"Light valve surface image and light beam projector" was invented by Christopher D. Ewington (Manchester, Great Britain), Matthew E. Ward (Philadelphia) and Jeremy Hochman (Walnut, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A lighting system and method controls light to prioritize different elements of the beam of light that is output by a fixture. The LCD surface acts as a color occlusion filter that provides pixel level control of the beam of light transmitted by this layer. Internally an LED source is projected perpendicular to concave type reflecto...