Head-up display device

A head-up display device provided with an emission port and emitting display light from the emission port toward a light-transmissive member so as to allow at least a real image of a display image represented by the display light to be visually recognized, the head-up display device comprising:

• a first display provided with a first display element, the first display transmitting light emitted from a real-image first light source and displaying the real image of the display image;
• and
• a reflector reflecting at least a first light beam representing the real image displayed on the first display toward the light-transmissive member, the reflector including:
• a first mirror reflecting the first light beam toward a second mirror;
• the second mirror reflecting the first light beam toward a third mirror;
• and
• the third mirror reflecting the first light beam toward the emission port, wherein
• the first mirror is disposed, along an optical path of the first light beam, closer to the emission port than the first display as well as to the first display than a first optical focus of an imaging optical system that includes the light-transmissive member, the second mirror and the third mirror, and wherein
• the third mirror and the first display are disposed so that at least a height position of the third mirror is above a height position of the first display.