Laser protective eyewear having improved glare protection

Details Laser protective eyewear having improved glare protection Laser protective eyewear having improved glare protection

2011-06-07

2011-06-07

Collins, Darryl J (Department: 2873)

Optical: systems and elements

Lens

Selective wavelength transmitting or blocking

C359S350000, C351S165000

Reexamination Certificate

active

07957077

ABSTRACT:
A molded optical filter is provided having effective filtering of energy emissions at an optical density (OD) of greater than 4 in three energy emission bands corresponding to the wavelengths of laser emissions while preserving the wearer's ability to differentiate and recognize colors and having a pleasing overall color. The selective optical filter is a moldable polymer filter that has three dyes therein to produce sharp notch filtering ranges at about 530 nm, 700 nm and 1060 nm and a fourth color balance dye therein to adjust the overall color of the filter making it more pleasing and desirable to the wearer.

REFERENCES:
patent: 5059500 (1991-10-01), Needham et al.
patent: 5140396 (1992-08-01), Needham et al.
patent: 6229252 (2001-05-01), Teng et al.
patent: 6680009 (2004-01-01), Harada et al.
patent: 7688524 (2010-03-01), Krieg-Kowald et al.
patent: 2008/0043200 (2008-02-01), Ishak
patent: 2009/0268157 (2009-10-01), Krieg-Kowald et al.

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