<p>[PROBLEMS] To provide a panel driving apparatus capable of eliminating the need of installing a special mechanism in the body thereof and easily installable on the body. [MEANS FOR SOLVING PROBLEMS] One end of an arm (330) is rotatably connected to a mounting plate (310) installable on the apparatus, and the other end of the arm (330) is rotatably connected to a panel (100). The mounting plate (310) comprises a sector-shaped fixed gear (320). The panel gear (350) of spur type is fixed to the panel (100), and an idle gear (340) meshed with the gear parts of the fixed gear (320) and the panel gear (350) therebetween is fitted to the arm (330) rotatably by a drive mechanism (200).</p>