Patent ID: 8901472

Claim:
An image displaying apparatus comprising: a light source; a light condenser for condensing light emitted from the light source to form a condensed light image at a predetermined position; a light mixing element having an entrance end near the condensed light image; a reflective image displaying element having plural micro-mirrors arranged two-dimensionally and configured to change an inclination angle of an individual micro-mirror between an on-state and an off-state so that emission of reflected light turns on or off; an illumination optical system including a condenser lens and a mirror for illumination arranged between an exit end of the light mixing element and the reflective image displaying element; and a projection optical system for projecting, onto a surface to be projected, reflected light from a micro-mirror being at an on-state among plural micro-mirrors constituting the reflective image displaying element, wherein the mirror for illumination is arranged at a position nearest the reflective image displaying element on an optical path from the light mixing element to the reflective image displaying element and a reflection surface of this mirror for illumination is positioned at a side of the reflective image displaying element with respect to a projection lens system constituting a part of the projection optical system.