DRIVING DEVICE FOR HEAD-UP DISPLAY

A driving device for a head-up display including a motor, a driving gear mounted at the motor and rotated when the motor is driven, a worm gear engaged with the driving gear and rotated by interlocking with the driving gear, a movable mirror configured to linearly move by being engaged with the worm gear, a stopper configured to restrict movement of the movable mirror, and a bending prevention part formed in the driving gear and configured to be inserted into the worm gear, so that engagement between the driving gear and the worm gear is maintained in an excessive torque section, and noise generation is prevented.