Fixing plate, optical device and projector

Details Fixing plate, optical device and projector Fixing plate, optical device and projector

2006-10-03

2006-10-03

Perkey, W. B. (Department: 2851)

Optics: image projectors

Housing

C353S031000, C353S033000, C353S034000, C353S081000, C353S082000, C348S750000, C348S757000, C348S758000, C348S759000, C349S008000, C349S058000, C359S242000, C359S638000, C359S640000

Reexamination Certificate

active

07114816

ABSTRACT:
The invention provides a fixing plate, optical device and projector capable of preventing against color unevenness occurrence and pixel deviation. Specifically, in each of the four sides of a luminous-flux exit surface of a plate part of a fixing plate, there can alternately be formed a first cutout in a groove form extending from an opening toward an outer edge of the plate part and nearly orthogonal to a lengthwise of each side, and a second cutout in a groove form extending from the outer edge toward the opening and nearly orthogonal to the lengthwise of each side.

REFERENCES:
patent: 6406151 (2002-06-01), Fujimori
patent: 6935745 (2005-08-01), Kitabayashi et al.
patent: A 2000-010186 (2000-01-01), None
patent: A 2000-259094 (2000-09-01), None
patent: A 2003-0014624 (2003-02-01), None

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