Rear projection screen, optical component thereof, and...

Details Rear projection screen, optical component thereof, and... Rear projection screen, optical component thereof, and...

2005-03-01

2005-03-01

Mahoney, Christopher E (Department: 2851)

Optical: systems and elements

Projection screen

Embedded particles

C359S457000, C359S619000, C359S628000

Reexamination Certificate

active

06862139

ABSTRACT:
A rear projection screen includes a first and second optical components. The second optical component includes a first surface on which a plurality of cylindrical convex portions are formed, and a second surface opposite to the first surface. In this case, a plurality of concave portions are formed on the second surface, and each concave portion is positioned respectively corresponding to the place between each cylindrical convex portion. A light absorbing material is applied to each concave portion. Furthermore, the invention also discloses an optical component and a method for manufacturing the optical component.

REFERENCES:
patent: 3218924 (1965-11-01), Miller
patent: 3712707 (1973-01-01), Henkes, Jr.
patent: 4509823 (1985-04-01), Moriguchi et al.
patent: 4525029 (1985-06-01), Inoue et al.
patent: 4566756 (1986-01-01), Heijnemans
patent: 4647519 (1987-03-01), Speigel
patent: 4927233 (1990-05-01), Nakanishi et al.
patent: 4979801 (1990-12-01), Park
patent: 5066099 (1991-11-01), Yoshida et al.
patent: 5121252 (1992-06-01), Okada et al.
patent: 5184224 (1993-02-01), Mitani et al.
patent: 5815313 (1998-09-01), Mitani et al.
patent: 5870224 (1999-02-01), Saitoh et al.
patent: 6275334 (2001-08-01), Park

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