Illumination device, display device and projector

Details Illumination device, display device and projector Illumination device, display device and projector

2006-10-24

2006-10-24

Cherry, Euncha P. (Department: 2872)

Optical: systems and elements

Deflection using a moving element

Using a periodically moving element

C362S241000

Reexamination Certificate

active

07126736

ABSTRACT:
A projector capable of displaying a moving picture image in good quality with a clear outline and few blurs includes a light source, a pseudo rectangular light flux generating device to generate a band-shaped illumination light flux from a light flux emitted from the light source, and an optically scanning device to scan with the illumination light flux emitted from the pseudo rectangular light flux generating device on an optically modulating apparatus. The projector further includes an illumination light flux shaping device to shape the illumination light flux into a desired shape of illumination light flux, the illumination light flux shaping device being in an optical path of the illumination light flux emitted from the pseudo rectangular light flux generating device.

REFERENCES:
patent: 5335044 (1994-08-01), Shiraishi
patent: 2003/0081178 (2003-05-01), Shimizu et al.
patent: A 2001-296841 (2001-10-01), None
patent: A 2004-004463 (2004-01-01), None
patent: A 2004-004618 (2004-01-01), None
Kurita; “Display System of Hold Type Display and Picture Quality Upon Displaying Motion Picture”; Drafts of The 1stLCD Forum; Liquid Crystal Society, pp. 1-6; Aug. 1998 with English translation.

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