Image display apparatus

Details Image display apparatus Image display apparatus

2005-01-25

2005-01-25

Thompson, Timothy (Department: 2873)

Optical: systems and elements

Optical modulator

Light wave temporal modulation

C359S245000, C353S031000, C353S033000

Reexamination Certificate

active

06847476

ABSTRACT:
Removal of unnecessary reflected light in an image display apparatus employing reflective spatial light modulators to enable display of a high-quality image, having good contrast and no occurrence of the ghosting phenomena. Modulated light of each color synthesized by a fourth modulated light beam splitter16is injected into a projection lens19as circularly polarized light by a λ/4 plate18, reflected light (R′, G′, B′) reflected from the projection lens19does not return to the respective spatial light modulating elements7, 11and12for each color.

REFERENCES:
patent: 5268775 (1993-12-01), Zeidler
patent: 6010221 (2000-01-01), Maki et al.
patent: 6454416 (2002-09-01), Aoto et al.
patent: 20020089679 (2002-07-01), Yi et al.
patent: 2002-122810 (2002-04-01), None
patent: 2002-287094 (2002-10-01), None

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