ALEXANDRIA, Va., June 10 -- United States Patent no. 12,292,649, issued on May 6, was assigned to N.S. International Ltd. (Troy, Mich.).

"Local dimming system for head up display" was invented by Saumil Satish Wagle (Mumbai, India), Yasuhiro Suzuki (Troy, Mich.), Arul Krishna (West Bloomfield, Mich.) and Joe Pullukat (Troy, Mich.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A local dimming system for a head up display (HUD) according to the present invention comprises a light array, a Fresnel lens array, a lenticular lens system, and a liquid crystal display (LCD). The Fresnel lens array is operatively associated with the light array to provide a collimated backlight output to produce an image on the LCD. ...