Image display apparatus

Details Image display apparatus Image display apparatus

2006-01-31

2006-01-31

Dowling, William C. (Department: 2851)

Optics: image projectors

Reflector

C353S119000, C353S037000

Reexamination Certificate

active

06991337

ABSTRACT:
An image display apparatus discloed includes a condensing optical system changing illumination light from a light source converging light; separation optical system having separation optical member reflecting color light component in specific wavelength range of the converging light and transmitting color light components the other wavelength ranges; a plurality of image display devices illuminated by a plurality of color flight components separated by the color separation optical system, respectively, color combination optical system image light components from the plurality of image plurality combining colors emanating and display devices; projection optical system for projecting image light components combined by the color combination optical system on surface on which projection is performed, light incident color separation optical member forms an angle smaller than 45 degrees with a normal to light incident surface of the color separation optical member.

REFERENCES:
patent: 5738426 (1998-04-01), Daijogo et al.
patent: 6000802 (1999-12-01), Hashizume et al.
patent: 6637889 (2003-10-01), Kodama et al.

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