Patent ID: 8035493

Claim:
A head-up display device for a vehicle comprising: a light source for projecting light; a display unit for producing display virtual images including an alarm display image; a mirror for reflecting the light representing the alarm display image so that a driver can see the alarm display image in a display area that is set on one of a front windshield and a combiner in front of the driver and in a field of front vision of the driver; at least one on-vehicle device that the driver operates; a visual-line shift detecting means for detecting a visual line shift of the driver from a usual forward visual range of the driver toward the at least one on-vehicle device that the driver operates; and a display position shifting means for shifting positions of the display area from a position of the usual forward visual range to a position on a line between the usual forward visual range and the at least one on-vehicle device at operation, which the driver watches during the operation, when the visual-line shift detecting means detects the visual line shift from the usual forward visual range toward the at least one on-vehicle device.