ALEXANDRIA, Va., June 17 -- United States Patent no. 12,313,854, issued on May 27, was assigned to NIPPON SEIKI Co. LTD. (Niigata, Japan).
"Head-up display device and mobile object" was invented by Shunsuke Saji (Niigata, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A display region has a curved surface shape having upper and lower end portions disposed at positions closer to a visual field than a reference plane, and a central portion disposed at a position farther from the visual field than the reference plane. A first convergence angle difference between a convergence angle from the eye position to the upper end portion and a convergence angle from the eye position to a first point on the referenc...