Projection display having polarization compensator

AL Huang - US Patent 6,781,640, 2004 - Google Patents
5,221,982. A 6/1993 Faris 5,272,553 A 12/1993 Yamamoto et al............. 349/8 (57)
ABSTRACT 5,329,387 A 7/1994 Yanagisawa et al. 5,381,278 A 1/1995 Shingaki et al. A …

Projection display having polarization compensator

AL Huang - US Patent 6,781,640, 2004 - freepatentsonline.com
A projection display system includes a light source, at least-one polarizer, at least one liquid
crystal panel for generating an image, and a projection lens for projecting the image. The …