LIGHT SHIELDING ARTICLES AND ELECTROMAGNETIC RECEIVERS AND/OR EMITTERS INCLUDING THE SAME

Abstract: light shielding articles are provided. light shielding articles include a first multilayer optical film comprised of alternating first and second polymeric optical layers collectively reflecting at an incident light angle of at least one of 0�, 15�, 30�, 45�, 60�, or 75�, an average of at least 70, 80, 90, or 95 percent of incident visible light over at least a wavelength range from 400 nanometers (nm) to 700 nm. the light shielding articles further include either a second multilayer optical film or a barrier coating disposed on the first multilayer optical film. the light shielding article transmits at an incident light angle of at least one of 0�, 15�, 30�, 45�, 60�, or 75�, an average of at least 70, 80, 90, or 95 percent of incident radio frequency waves in at least one wavelength range from 1 mm to 10 mm, 10 mm to 100 mm, or 100 mm to 1000 mm. additionally, an electromagnetic receiver and/or emitter is provided that includes a light shielding article according attached to at least a portion of the electromagnetic receiver and/or emitter.

Inventor(s): Sean M. Sweetnam, Andrew C. Smith, Stephen P. Maki, David J. Rowe, Timothy J. Hebrink, Daniel M. Pierport, Kevin W. Gotrik, Mark D. Weigel, James A. Phipps, Kevin D. Hagen, Mark B. O'Neill

CPC Classification: G02B5/0841 (Mirrors {(vehicle mirrors involving special optical features )})

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