Illumination optical system and image display apparatus...

Details Illumination optical system and image display apparatus... Illumination optical system and image display apparatus...

2004-12-07

2009-11-10

Nguyen, Hung Henry (Department: 2851)

Optics: image projectors

Unitary plural refracting surfaces

Reexamination Certificate

active

07614751

ABSTRACT:
A lens array has a plurality of first minute optical elements which are one-dimensionally arranged in a predetermined arrange direction. Two of the plurality of first minute optical elements have refractive powers different from each other in a direction perpendicular to the predetermined arrange direction, and the plurality of first minute optical elements are arranged only in the predetermined arrange direction.

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