Patent ID: 8879156

Claim:
A head-up display device adapted to be connected detachably to a portable electronic device that has a display for providing at least one light signal corresponding to a piece of display data, and that generates at least one control signal corresponding to the piece of display data, said head-up display device comprising: a base seat adapted to be connected detachably to the portable electronic device; a reflector adapted to be disposed rotatably in a first optical path of the light signal provided by the display for reflecting the light signal provided by the display to a second optical path; a reflector control unit adapted for receiving the control signal and controlling rotation of said reflector about a rotational center according to the control signal, thereby adjusting the second optical path of the light signal reflected by said reflector; a magnifying glass mounted to said base seat and disposed in the first optical path for magnifying an image displayed by the display of the portable electronic device prior to the image being reflected by said reflector; and a surface disposed in the second optical path; wherein, when said reflector is rotated for a predetermined rotational angle about the rotational center by said reflector control unit according to the control signal, the light signal reflected by said reflector is projected on said surface to display an image corresponding to the display data on a predetermined region of said surface.