Projection Type Display Apparatus and Optical Unit

A projection type display apparatus comprising:

• a plurality of light sources for emitting light;
• a plurality of first collimator lenses for collimating the light emitted from said plural light sources, said plural first collimator lenses being disposed in association with said plural light sources respectively;
• an optical coupling lens for coupling the light outgoing from said plural first collimator lenses;
• a condenser lens for condensing the light outgoing from said optical coupling lens, collimating the condensed light and irradiating an image display element with the collimated light;
• said image display element modulating the light outgoing from said condenser lens into an optical image corresponding to a video signal;
• a projection lens for projecting the optical image formed by said image display element;
• and
• a drive section for driving said image display element.

An optical unit comprising:

• a plurality of light sources for emitting light;
• a plurality of first collimator lenses for collimating the light emitted from said plural light sources, said plural first collimator lenses being disposed in association with said plural light sources respectively;
• an optical coupling lens for coupling the light outgoing from said plural first collimator lenses;
• an image display element disposed at a position where the light outgoing from said optical coupling lens is condensed, said image display element modulating the light outgoing from said optical coupling lens into an optical image corresponding to a video signal;
• and
• a projection lens for projecting the optical image formed by said image display element.