Split-path color switching system and method

Details Split-path color switching system and method Split-path color switching system and method

2007-03-27

2007-03-27

Dowling, William C. (Department: 2851)

Optics: image projectors

Polarizer or interference filter

C353S031000, C349S018000, C349S119000, C359S506000

Reexamination Certificate

active

10946491

ABSTRACT:
The present application describes a retarder stack color switch using a single polarization analyzer for reflective-mode projection displays. The single polarization analyzer permits additive mode switching, which optimizes the chrominance of the additive primary outputs and the black state. Moreover, the single analyzer color switch provides a white state, which is frequently used in sequential systems. The single analyzer color switch overcomes some of the cost and manufacturing challenges associated with conventional transmissive full color switches based on retarder-stack-filters. The single analyzer color switch according to an embodiment uses a split-path so that relatively weak colors can follow a “high-efficiency” path.

REFERENCES:
patent: 5111315 (1992-05-01), Ledebuhr
patent: 5319478 (1994-06-01), Funfschilling et al.
patent: 5565933 (1996-10-01), Reinsch
patent: 5929946 (1999-07-01), Sharp et al.
patent: 5953083 (1999-09-01), Sharp
patent: 5990996 (1999-11-01), Sharp
patent: 5999240 (1999-12-01), Sharp et al.
patent: 6049367 (2000-04-01), Sharp et al.
patent: 6243065 (2001-06-01), Robrish et al.
patent: 6417892 (2002-07-01), Sharp et al.
patent: 6452646 (2002-09-01), Sharp et al.
patent: 6650377 (2003-11-01), Robinson et al.
patent: 6686975 (2004-02-01), Anderson et al.
patent: 7002752 (2006-02-01), Chen et al.
patent: 7083282 (2006-08-01), Sharp et al.

Affiliated with

Also associated with

Rating

Split-path color switching system and method does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Split-path color switching system and method, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Split-path color switching system and method will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-3786124