Illumination optical device and projector

Illumination optical system and projector

Illumination optical system and projector using the same

Illumination optical unit liquid crystal projector and...

Illumination system with integrated heat dissipation device...

Illuminator and projection image display employing it

Illuminator and projection image display employing it

Image display projector

Lamp, condensing optical system, and image display device

Lamp, polarization converting optical system, condensing...

LED light shaping device and illumination system

Light propagation structure and optical display device of...

Light recovery for projection displays

Light source device and projector

Light source device, illuminating system and image...

Light source unit and projector apparatus

Light source unit and projector system

Offset projection system

Optical display device and projection-type display device

Optical illumination system and projection apparatus comprising