Nippon Seiki Co., Ltd.

Shunsuke Saji

Makoto Hada

Yuki Masuya

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 reference plane through the upper end portion, a second convergence angle difference between a convergence angle to the central portion and a convergence angle to a second point on the reference plane through the central portion, and a third convergence angle difference between a convergence angle to the lower end portion and a convergence angle to a third point on the reference plane through the lower end portion respectively fall within four milliradians.

Head-up display device and mobile object

Provided is a head-up display device which can stably display a virtual image viewed so as to be stuck to a road surface, during traveling of a vehicle. A head-up display device according to the present invention is provided with a display means for projecting display light to a front window shield provided to a vehicle, and generating and displaying a virtual image, formed by the display light reflected at the front window shield, so as to be superposed on an actual scene seen through the front window shield. At least a part of a virtual image display region in which the virtual image is displayed is positioned below a road surface on which the vehicle travels.

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Niigata, Japan

Shunsuke Saji