Nippon Seiki Co., Ltd.

Nippon Seiko Co., Ltd.

Masao Itagaki

Genichiro Sato

Hiroyuki Furusawa

Masatoshi Azuma

Daisuke Tsukuda

Takuya Sekiguchi

Provided is a vehicular heads-up display device with which it is possible to avoid burn-in of an internal component upon a reflecting member by exterior light, improving display quality. A vehicular heads-up display device, comprising a case body () whereon an aperture part () is disposed and a light-emitting body () that is housed within the case body () reflects emitted light L that is emitted by the light-emitting body () externally to the case body () via the aperture part () and reflects said emitted light L from the windshield (), causing the driver () to have sight of the virtual image V that is obtained by said reflection. The vehicular heads-up display device further comprises a semi-transmissible cover () installed in the aperture part (), and a dispersal means () is disposed between the light emitting body () and the cover (), for dispersing exterior light that enters the case body () via the cover ().

Vehicular heads-up display device

Provided is a head-up display (HUD) device capable of effectively preventing damage to a liquid-crystal display device due to entry of exterior light. A HUD device has a liquid-crystal panel, and is provided with a liquid-crystal display device for realizing a transparent display using light from a backlight, a control means for controlling the liquid-crystal display device, and an optical system for reflecting the display light outputted by the liquid-crystal display device onto a windshield. A flat mirror constituting the optical system allows infrared rays of incident light to pass behind the mirror and reflects the visible light. The HUD device is provided with an infrared-ray sensor positioned behind the flat mirror, and the control means reduces the brightness of the light of the backlight or extinguishes the backlight when the strength detected by the infrared-ray sensor exceeds a predetermined threshold.

Head-up display device

Growing community of inventors

Nagaoka, Japan

Masao Itagaki