Highly efficient projection system and color scrolling...

Details Highly efficient projection system and color scrolling... Highly efficient projection system and color scrolling...

2006-03-14

2006-03-14

Perkey, W. B. (Department: 2851)

Optics: image projectors

Composite projected image

Multicolor picture

C353S037000, C353S084000, C353S102000, C359S205100, C359S210100, C359S623000, C348S742000, C348S744000, C348S761000, C362S293000

Reexamination Certificate

active

07011414

ABSTRACT:
A highly efficient projection system and a color scrolling method are provided. In the color scrolling method, first, an optical splitter splits a beam emitted from a light source into individual color beams. Next, a rectangular light valve is disposed such that its long axis is along the direction into which the optical splitter splits the beam. Thereafter, the individual color beams are scrolled in the long axial direction of the light valve. The color scrolling in the long axial direction can increase light efficiency much more than a color scrolling performed in a short axial direction.

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