CPC G02B 5/24 (2013.01) [C23C 14/0629 (2013.01); C23C 14/08 (2013.01); G02B 1/115 (2013.01)] | 18 Claims |
1. An opaque article, comprising:
a stack of layers including a high refractive index layer and a low refractive index layer;
wherein at least one layer of the stack includes a wavelength selective absorbing material; and
wherein the stack of layers has a transparent region with an edge at a wavelength in which light is absorbed by the wavelength selective absorbing material, and a reflection band with an edge at a wavelength in which light is reflected by the wavelength selective absorbing material,
wherein the stack does not include a layer of metal.
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