Optical illumination apparatus

Details Optical illumination apparatus Optical illumination apparatus

2007-10-23

2007-10-23

Lavarias, Arnel (Department: 2872)

Optical: systems and elements

Extended spacing structure for optical elements

Extension of tubular element adjustable

C359S626000, C359S490020, C353S020000, C362S019000, C349S009000

Reexamination Certificate

active

10844132

ABSTRACT:
An optical illumination apparatus has a polarization conversion device for converting light from a light source into light polarized uniformly in a predetermined manner and an optical integrator system for illuminating a display panel with the light polarized in the predetermined manner. The polarization conversion device splits the light from the light source into a first light beam and a second light beam in such a way that the first and second light beams are polarized in different manners, and then converts one of the first and second light beams into light polarized in the identical manner as the other light beam. Moreover, the first and second light beams pass through an identical lens cell of a first lens array of the optical integrator system and are imaged on an identical lens cell of a second lens array of the optical integrator system.

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