Optical system with reduced color shift

Details Optical system with reduced color shift Optical system with reduced color shift

G - Physics

03

B

G03B 21/62 (2006.01) G03B 21/56 (2006.01) G03B 21/60 (2006.01)

Patent

CA 2426940

An optical system with improved color shift characteristics is described. Preferably, the system comprises a rear projection display that includes a light source (28) providing light in first and second distinct polarization states, and a beaded screen (24).

L'invention concerne un système optique possédant des caractéristiques améliorées de déplacement de couleur. Ce système comprend, de préférence, un rétroprojecteur comportant une source de lumière produisant de la lumière dans un premier et un deuxième état de polarisation distincts, ainsi qu'un écran perlé.

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