Transmission-type screen and projection-type display device

Optics: image projectors – Cabinet encloses projector and one side of screen – Reflector between lamp and screen

Reexamination Certificate

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Details

C359S452000, C359S460000

Reexamination Certificate

active

07354158

ABSTRACT:
Exemplary embodiments provide a transmission-type screen and a projection-type display device, which are superior in contrast. Exemplary embodiments provide a transmission-type screen characterized by including a display plane; a front side layer; and a backside layer having a light-directivity to a light projected from a direction slanted at a predetermined angle with respect to the front side layer thereof, an image being displayed on the display plane when a light is projected from a backside of the screen.

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patent: 6449089 (2002-09-01), Moshrefzadeh et al.
patent: 6899433 (2005-05-01), Veligdan
patent: 2003/0210443 (2003-11-01), Kawai et al.
patent: 2004/0246578 (2004-12-01), Shikama et al.
patent: 2005/0206854 (2005-09-01), Katase
patent: 2005/0280784 (2005-12-01), Katase et al.
patent: A 05-040318 (1993-02-01), None

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