Illumination device and projector

Details Illumination device and projector Illumination device and projector

2006-04-11

2006-04-11

O'Shea, Sandra (Department: 2875)

Illumination

Light source and modifier

Including selected wavelength modifier

C362S268000, C362S551000, C362S298000

Reexamination Certificate

active

07025475

ABSTRACT:
An illumination device includes: an integrator that transmits light from an incident side thereof to an emitting side thereof; a light source that supplies the light to the incident side of the integrator, the light source including a reflector and a lamp located on a center axis of the reflector; and a center mirror located on a line connecting the center the incident side of the integrator and the lamp, the center mirror being capable of reflecting light from the integrator back to the integrator. The center mirror has a smaller diameter than that of an opening of the reflector.

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