Laser image display apparatus

Details Laser image display apparatus Laser image display apparatus

2005-04-06

2008-07-15

Dowling, William C. (Department: 2851)

Optics: image projectors

Composite projected image

Multicolor picture

C349S064000, C359S599000

Reexamination Certificate

active

07399084

ABSTRACT:
A light diffuser containing light diffusing elements is arranged in the most appropriate position between a spatial light modulator and an illumination optical system. Thereby, particles as light diffusing elements diffuse rays of light emitted from a laser light source. Accordingly, indefinite numbers of speckle pattern are formed so that, for example, a speckle noise which occurs on an image projected to a screen is reduced. As a result, loss of light amount after light diffusion is suppressed to small amount, and thereby a laser image display apparatus capable of displaying a bright and high-quality image having no luminosity irregularity is provided.

REFERENCES:
patent: 4035068 (1977-07-01), Rawson
patent: 4155630 (1979-05-01), Ih
patent: 6092900 (2000-07-01), Diedrich et al.
patent: 6577429 (2003-06-01), Kurtz et al.
patent: 6594090 (2003-07-01), Kruschwitz et al.
patent: 6606173 (2003-08-01), Kappel et al.
patent: 6910774 (2005-06-01), Troyer
patent: 7152977 (2006-12-01), Ruda et al.
patent: 7271962 (2007-09-01), Kasazumi et al.
patent: 2002/0075460 (2002-06-01), Kappel et al.
patent: 55-65940 (1980-05-01), None
patent: 3-109591 (1991-05-01), None
patent: 6-208089 (1994-07-01), None
patent: 11-218726 (1999-08-01), None
patent: 2003-98476 (2003-04-01), None
patent: 2003-279889 (2003-10-01), None
patent: 2004-138669 (2004-05-01), None
patent: 2004-525390 (2004-08-01), None
patent: 2005-84117 (2005-03-01), None
patent: 02/10855 (2002-02-01), None

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