Sunglass lens laminate

Details Sunglass lens laminate Sunglass lens laminate

1999-05-17

2000-08-15

Mai, Huy

Optics: eye examining, vision testing and correcting

Spectacles and eyeglasses

With antiglare or shading

351 49, 351163, G02C 710

Patent

active

061025399

ABSTRACT:
An improved sunglass lens laminate has first and second lens portions joined by an adhesive, wherein the adhesive at least one of (1) an ultraviolet absorber in an amount sufficient to block substantially all solar radiation up to about 400 nm, and (2) a dye to provide selected visible light transmission characteristics to the laminate. In a preferred embodiment, a polarizing film is disposed between two lens portions to form a polarizing sunglass lens laminate.

REFERENCES:
patent: 4227950 (1980-10-01), Spycher
patent: 4793703 (1988-12-01), Fretz
patent: 4883548 (1989-11-01), Onoki
patent: 5135298 (1992-08-01), Feltman
patent: 5323191 (1994-06-01), Firtion
patent: 5351100 (1994-09-01), Schwenzfeier
patent: 5364487 (1994-11-01), Friske
patent: 5618863 (1997-04-01), D'Errico
patent: 5751481 (1998-05-01), Dalzell
patent: 5926248 (1999-07-01), Tucker

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