Patent ID: 7782516

Claim:
An optical scanning projector apparatus comprising: a light emitting element array having a plurality of light emitting elements arranged in a row in a first direction for emitting light according to display data, each of said light emitting elements being integrated with a micro lens and having a radiation angle smaller than 20 degrees at a half of maximum light intensity thereof, each of said light emitting elements having a light emitting diameter smaller than a half of a diameter of the micro lens; a light scanning unit for scanning light of the light emitting elements in a second direction perpendicular to the first direction; a scanning optical system for collecting light of the light emitting elements to form an image on a screen; a control unit for controlling the light scanning unit and the scanning optical system; and a light collecting optical system disposed between the light emittting element array and the light scanning unit, wherein said radiation angle is relative to a direction perpendicular to an arrangement direction of the light emitting elements and to a perpendicular line toward the light scanning unit.