Optical projection system and method

Optical reflection polarizer and projector comprising the same

Optical system and method for high contrast projection display

Optical system for image projection and image projection...

Optical system for use in an image projector

Optical system with angular compensator

Optical systems and methods

Optical unit and a projection image display apparatus using...

Optical unit and projection type image display unit using it

Optical unit and projection type projector apparatus using...

Optical unit and projection type projector apparatus using...

Optical unit and projection-type image display apparatus...

Overhead projector

Picture projecting device

Polariser made from brewster plates

Polarization arrangement

Polarization beam splitter, optical device for projection...

Polarization beam splitting optical system

Polarization conversion assembly to complement angular...

Polarization conversion dichroic mirror and a liquid crystal...