Projection display apparatus with two reflective light panels

Details Projection display apparatus with two reflective light panels Projection display apparatus with two reflective light panels

2006-02-28

2006-02-28

Koval, Melissa J. (Department: 2851)

Optics: image projectors

Polarizer or interference filter

C353S031000, C353S084000, C349S009000

Reexamination Certificate

active

07004587

ABSTRACT:
A projection display apparatus includes a light source configured to supply light; a polarizing beam splitter for splitting light from the light source into two different polarization state lights; two reflective light panels of which each has a color filter embedded therein and respectively modulates the two polarization state lights so as to simultaneously produce red, green and blue image lights; and a projection lens receiving these color image lights and then projecting them onto a viewing surface so as to form a full-color image.

REFERENCES:
patent: 6183091 (2001-02-01), Johnson et al.
patent: 6793344 (2004-09-01), Kwok et al.
patent: 2002/0196413 (2002-12-01), Kwok et al.

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