Projection lens apparatus and projection type image display...

Details Projection lens apparatus and projection type image display... Projection lens apparatus and projection type image display...

2005-12-13

2005-12-13

Sugarman, Scott J. (Department: 2873)

Optical: systems and elements

Lens

With field curvature shaping

C359S651000, C353S069000, C353S077000

Reexamination Certificate

active

06975460

ABSTRACT:
A projection type image display apparatus having an image display element outputting an image ray, a projection lens apparatus for performing overhead projection of the image ray from the image display element, the projection lens apparatus having a plurality of lens elements, a reflection mirror reflecting the image ray from the projection lens apparatus, and a screen on which the image ray reflected by the reflection mirror is projected. An optical axis of the projection lens apparatus is decentered from a center of the screen.

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