Projector

Details Projector Projector

2007-05-22

2007-05-22

Koval, Melissa Jan (Department: 2851)

Optics: image projectors

Composite projected image

Multicolor picture

C353S085000

Reexamination Certificate

active

10972840

ABSTRACT:
A projector is provided wherein the shapes of rod integrators for the respective colors (i.e., the shapes of the output ports thereof) are made nearly the same as the shapes of the effective pixel regions and the sizes of the output ports of the rod integrators for the respective colors are made slightly larger than the sizes of the effective pixel regions of the liquid crystal light valves opposed thereto. As a result, uniform illumination light output from the output ports can be caused to enter the effective pixel regions with no loss or damage to uniformity.

REFERENCES:
patent: 6224216 (2001-05-01), Parker et al.
patent: 6412953 (2002-07-01), Tiao et al.
patent: 6517211 (2003-02-01), Mihara
patent: 6547400 (2003-04-01), Yokoyama
patent: 6678023 (2004-01-01), Yamazaki et al.
patent: 7001022 (2006-02-01), Kim et al.
patent: 2000-112031 (2000-04-01), None
patent: 2002-350973 (2002-04-01), None
patent: 2002-323670 (2002-11-01), None
Examination result issued in corresponding Korean patent application.

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