Illumination apparatus and image projection apparatus using...

Details Illumination apparatus and image projection apparatus using... Illumination apparatus and image projection apparatus using...

2007-03-06

2007-03-06

Koval, Melissa Jan (Department: 2851)

Optics: image projectors

Composite projected image

C353S034000, C353S094000, C353S102000

Reexamination Certificate

active

10657978

ABSTRACT:
An illumination apparatus comprises a small-plane light source having diffusion radiation characteristics, a columnar light leading member, having an incident end surface, an outgoing radiation end surface and a reflection surface, configured to reflect on the reflection surface at least a part of a light ray from the small-plane light source collected from the incident end surface, thereby leading the light to the outgoing radiation end surface, and an angle position converting member configured to convert an outgoing light angle intensity of the outgoing light from the outgoing radiation end surface of the columnar light leading member into a position intensity in a predetermined irradiation area.

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