ALEXANDRIA, Va., Nov. 25 -- United States Patent no. 12,483,001, issued on Nov. 25, was assigned to PANASONIC PROJECTOR & DISPLAY Corp. (Osaka, Japan).
"Lighting optical system" was invented by Aya Kurita (Osaka, Japan) and Hirokazu Sakaguchi (Osaka, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "There is provided a low-cost lighting optical system not requiring the refractive element for each laser chip. A lighting optical system includes: a light source including a plurality of multi-emitter laser chips arrayed in a first direction that intersects a light output direction, the plurality of multi-emitter laser chips each having a first emitter outputting first emitter light and a second emitter output...