Switch for an illumination device, and projection system...

Details Switch for an illumination device, and projection system... Switch for an illumination device, and projection system...

2007-07-25

2010-10-05

Le, Que T (Department: 2878)

Radiant energy

Photocells; circuits and apparatus

Optical or pre-photocell system

C250S227210

Reexamination Certificate

active

07807958

ABSTRACT:
An illumination device and a projection system including the same are disclosed. The illumination device can implement a small-sized and high-efficiency projection system, and the projection system includes the illumination device. The projection system generates a light signal in which a luminous flux is maximally distributed, and displays a desired image using the generated light signal.

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patent: 2004/0207823 (2004-10-01), Alasaarela et al.
patent: 2005/0018147 (2005-01-01), Lee et al.
patent: 2006/0061870 (2006-03-01), Wang
patent: 2006/0104065 (2006-05-01), Lee et al.
patent: 1471746 (2004-10-01), None
patent: 2005-0025538 (2005-03-01), None
patent: WO-2005/034524 (2005-04-01), None

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