OPTICAL ARTICLE FOR RECEIVING AND EMITTING INFRARED RAY AND INFRARED RAY RECEIVING AND EMITTING UNIT
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United States of America Patent
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app pub date -
Mar 23, 2015
filing date -
Sep 28, 2012
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Abandoned
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Abstract
A sheet-shaped optical article for receiving and emitting infrared rays includes a base and a mirror film formed on a surface of the base. A diffusion film is used as the base (diffusion base material) of the optical article. At least one of surfaces of the diffusion film is made to be a mat surface (diffusion layer), whereby the diffusion film scatters visible light. On at least any of the surfaces of the base, a mirror film (dielectric multilayer film) that transmits infrared rays and reflects visible light is formed.
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