Illumination device and projector

Details Illumination device and projector Illumination device and projector

2007-07-17

2007-07-17

Schwartz, Jordan (Department: 2873)

Optical: systems and elements

Single channel simultaneously to or from plural channels

By surface composed of lenticular elements

C359S621000

Reexamination Certificate

active

11329132

ABSTRACT:
An illumination device includes a light source, a first lens array having a plurality of first small lenses, a second lens array having a plurality of second small lenses corresponding to the plurality of first small lenses, and a superimposing lens. The plurality of first small lenses is made eccentric in a certain direction while the plurality of second small lenses is made eccentric in one of the certain direction and a direction orthogonal to the certain direction. The first and second lens arrays are integrally formed into one light-transmissive member.

REFERENCES:
patent: 2002/0008910 (2002-01-01), Akiyama et al.
patent: 2002/0039157 (2002-04-01), Nakanishi et al.
patent: 2005/0174773 (2005-08-01), Fujisawa et al.
patent: A-2002-023108 (2002-01-01), None

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