ALEXANDRIA, Va., Feb. 3 -- United States Patent no. 12,541,142, issued on Feb. 3, was assigned to CASIO COMPUTER Co. LTD. (Tokyo).
"Light source device and projection device" was invented by Chihaya Sugiyama (Fussa, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A light source device includes a first polarization beam splitter and a dichroic mirror. The first polarization beam splitter has a first optical surface that separates light incident on the first optical surface into light beams having different polarization directions from each other. The dichroic mirror has a second optical surface. The second optical surface intersects the first optical surface and guides reflection light reflected by a flu...