ALEXANDRIA, Va., Dec. 2 -- United States Patent no. 12,487,447, issued on Dec. 2, was assigned to YAZAKI Corp. (Tokyo).
"Display device for vehicle" was invented by Takafumi Yamase (Susono, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A display device for a vehicle includes: a display, a polarization switching unit, a reflector, and a controller. The polarization switching unit includes a wave plate that can cause emission light of the display to be emitted while changing a polarization direction thereof, and a drive device that can rotate the wave plate between a position of not using polarizing sunglasses and a position of using polarizing sunglasses. The controller rotates the wave plate within a ...