Liquid crystal cells – elements and systems – Liquid crystal system – Projector including liquid crystal cell
Reexamination Certificate
2006-01-03
2006-01-03
Dudek, James A. (Department: 2871)
Liquid crystal cells, elements and systems
Liquid crystal system
Projector including liquid crystal cell
C349S009000
Reexamination Certificate
active
06982767
ABSTRACT:
Green, red and blue S-polarized light beams are incident into respective green, red and blue liquid crystal light valves. In the green liquid crystal light valve, the green P-polarized light beams exit from pixels for performing the white dot display, and the green S-polarized light beam exits from pixels for performing the black dot display. In red and blue liquid crystal light valves, the red and blue S-polarized light beams exits from the pixels for performing the white dot display, and the red and blue P-polarized light beams exit from the pixels for performing the black dot display. The red and blue S-polarized light beams reflect on, and the green P-polarized light beam transmits through the cross-dichroic prism, to produce a full-color image. The full-color image is projected through a projecting lens on a screen.
REFERENCES:
patent: 5959704 (1999-09-01), Suzuki et al.
patent: 6046858 (2000-04-01), Scott et al.
Arnold Bruce Y.
Arnold International
Dudek James A.
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