ALEXANDRIA, Va., June 25 -- United States Patent no. 12,339,448, issued on June 24, was assigned to FUJIFILM Corp. (Tokyo).
"Head-up display projector" was invented by Akihiro Anzai (Minamiashigara, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "An object is to provide a head-up display projector that uses a reflection member having a selective reflection layer and that can suppress the decrease in brightness of a projection image and the loss of color balance of a projection image even when the wavelength of a light beam has varied. The object is achieved by having: a light source for forming a projection image; and a reflection member having a selective reflection layer that reflects visible light an...