Polarization recovery system for projection displays

Optical: systems and elements – Polarization without modulation – By relatively adjustable superimposed or in series polarizers

Reexamination Certificate

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Details

C359S494010, C359S837000, C385S011000, C349S009000, C353S020000

Reexamination Certificate

active

07006288

ABSTRACT:
A light guide comprising three guide sections and a light coupling element between the light guide sections. The light coupling element having an internal polarizing surface for reflecting light of a predetermined polarization state. Each light guide section has an entrance aperture, an exit aperture and at least first and second guide walls defining a light guide direction.

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