Black matrix light guide screen display

Details Black matrix light guide screen display Black matrix light guide screen display

2005-02-07

2008-01-29

Lee, Diane (Department: 2851)

Optical: systems and elements

Projection screen

Rear projection screen

C359S443000, C359S034000, C385S004000, C385S032000, C385S050000, C385S142000, C385S144000, C398S139000, C398S178000, C398S142000, C362S610000, C362S615000

Reexamination Certificate

active

07324278

ABSTRACT:
Provided is a black matrix light guide screen display. In a particular embodiment, provided are a plurality of aligned light guides, each having an input end, a midsection and a magnifying output end. A black matrix material is disposed adjacent to the light guides proximate to the magnifying output ends. The plurality of aligned light guides are arranged into a plurality of light guide layers, each layer one light guide thick. The magnifying output ends of each layer are aligned in substantially contiguous parallel contact with interposed black spacers to provide substantially the same magnification vertically and horizontally.

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