Laser display system

Details Laser display system Laser display system

2005-04-05

2005-04-05

Nguyen, Judy (Department: 2851)

Optics: image projectors

Color filter

C353S031000, C353S037000, C353S099000, C359S027000, C359S599000, C349S034000, C349S106000, C362S246000, C362S355000, C362S553000, C362S558000

Reexamination Certificate

active

06874893

ABSTRACT:
A laser display system is disclosed, to remove speckles displayed on a screen, which includes at least one laser as light source, at least one filter transmitting or reflecting a particular wavelength of red, green and blue light generated in the laser, and mixing the light red, green and blue light to one; a rotation color separator separating the mixed light into the red, green and blue light sequentially; a diffuser diffusing the separated light; an illuminating device irradiating with the light progressed from the diffuser; a display panel generating an image by modulating transmittance of the light from the illuminating device according to an electric signal of a video signal; and a controller receiving the video signal, and making correspondence of color areas from the rotation color separator and the display panel.

REFERENCES:
patent: 3685900 (1972-08-01), Kirby et al.
patent: 3914721 (1975-10-01), Pollock
patent: 6005722 (1999-12-01), Butterworth et al.
patent: 6648475 (2003-11-01), Roddy et al.
patent: 20040076008 (2004-04-01), Ikeda

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