OPTICAL ARTICLE HAVING A RED RESIDUAL REFLECTION COLOUR
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United States of America Patent
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Jul 4, 2014
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Jul 5, 2013
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Abstract
The present invention relates to a transparent article comprising a substrate comprising at least one front face and one back face, at least one of these two main faces being coated with an interference coating having a reflection value in the visible Rv lower than or equal to 97% and preferably lower than or equal to 50%, characterized in that said interference coating possesses a hue angle h and a chroma value C* able to render the present residual reflection a given perceived chromatic colour in the red.
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