ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,429,818, issued on Sept. 30, was assigned to TEXAS INSTRUMENTS Inc. (Dallas).

"Providing uniform background image illumination with zero-order light from a phase light modulator to a spatial light modulator" was invented by John Ferri (Allen, Texas) and Alexander Lyubarsky (Dallas).

According to the abstract* released by the U.S. Patent & Trademark Office: "An apparatus includes a phase light modulator (PLM) configured to produce background image illumination including background image light and zero-order light, a first lens array including first lenses optically coupled to the PLM and configured to project the background image light, a second lens array optically coupled to the fi...