Light source apparatus and image display apparatus

Details Light source apparatus and image display apparatus Light source apparatus and image display apparatus

2006-08-25

2009-02-03

O'Shea, Sandra L. (Department: 2875)

Illumination

Light source and modifier

Plural serial lens elements or components

C362S019000, C362S231000, C362S245000

Reexamination Certificate

active

07484862

ABSTRACT:
A light source apparatus is disclosed which is capable of emerging predetermined linearly polarized light while a loss of light amount is reduced. The light source apparatus comprises plural light-emitting elements which are disposed so that their light-emitting surfaces face the direction of an emergence surface of the light source apparatus, and a polarization selective element which transmits a light component with a first polarization direction and reflects a light component with a second polarization direction different from the first polarization direction. The apparatus further comprises a reflecting surface which is disposed at a position closer to the light-emitting elements than the polarization selective element and reflects the reflected light from the polarization selective element to the polarization-selective element side.

REFERENCES:
patent: 5828471 (1998-10-01), Davis et al.
patent: 2004/0080938 (2004-04-01), Holman et al.
patent: 2004-311353 (2004-11-01), None

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