ALEXANDRIA, Va., Aug. 12 -- United States Patent no. 12,386,113, issued on Aug. 12, was assigned to ALPS ALPINE Co. LTD. (Tokyo).
"Display device and spatial input device including the same" was invented by Katsunari Ashimine (Fukushima, Japan) and Hiroki Sato (Miyagi, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A display device includes a transparent light guiding layer having a bottom face on which a light diffusing region is formed as a design, a retroreflective layer, a polarizing beam that allows light having a first polarization direction to pass therethrough, and an emission unit configured to emit into the light guiding layer the light having the first polarization direction, or light having...