Patent ID: 7213929

Claim:
An illumination apparatus illuminating a specific objective illumination region, comprising: a plurality of illuminants having light-emitting surfaces radiating diffused light; an illuminant substrate in which the illuminants are disposed so as to be set in array on a circumference; at least one optical member configured to guide the diffused light to the specific objective illumination region; a movable section configured to drive the optical member so as to be rotatable around a center of the circumference serving as a rotation center; and a lighting control section configured to control a periodic successive light-emitting timing of the plurality of illuminants, wherein the at least one optical member is adapted to guide the light from the illuminants in a common direction in order to illuminate the specific objective illumination region, and the movable section and the lighting control section operate together such that a quantity of light per unit time of the diffused light guided to the specific objective illumination region is within a predetermined range.