Substrate-guided imaging lens

Details Substrate-guided imaging lens Substrate-guided imaging lens

2011-08-16

2011-08-16

Harrington, Alicia M (Department: 2873)

Optical: systems and elements

Single channel simultaneously to or from plural channels

By partial reflection at beam splitting or combining surface

C359S638000, C345S007000

Reexamination Certificate

active

08000020

ABSTRACT:
There is provided an optical system, including a substrate having a major surface and edges, an optical element for coupling light into the substrate by total internal reflection, a reflecting surface carried by the substrate, a retardation plate and a reflecting optical element. The retardation plate is located between a portion of the major surface of the substrate and the reflecting optical element.

REFERENCES:
patent: 6704052 (2004-03-01), Togino et al.
patent: 7163291 (2007-01-01), Cado et al.
patent: 2003/0165017 (2003-09-01), Amitai
patent: 2004/0136082 (2004-07-01), Cado et al.
patent: WO 02/088825 (2002-11-01), None
patent: WO 2004/053541 (2004-06-01), None

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