Circadian rhythm optical film

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United States of America Patent

PATENT NO 9739916
SERIAL NO

14220193

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Abstract

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An optical film includes a polymeric bandstop filter reflecting a band of blue light in a range from 440 nm to 480 nm a polymeric bandstop filter reflecting a band of blue light in a range from 440 nm to 480 nm and transmitting greater than 50% of blue light at a wavelength of 10 nm longer than a long wavelength band edge and at a wavelength of 10 nm shorter than a short wavelength band edge.

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Patent Owner(s)

  • 3M INNOVATIVE PROPERTIES COMPANY

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Casner, Glenn E Woodbury, US 45 459
Kahl, Jonathan T St. Paul, US 10 19
Weber, Michael F Shoreview, US 217 13064

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