Transparent heat-shielding/heat-insulating member and production method thereof
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United States of America Patent
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Jun 11, 2019
Grant Date -
Sep 8, 2016
app pub date -
Mar 3, 2016
filing date -
Mar 5, 2015
priority date (Note) -
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Abstract
A transparent heat-shielding/heat-insulating member includes a transparent substrate 11 and, from the transparent substrate side, an infrared reflective layer 12 and a protective layer 18 in this order. The protective layer 18 includes, from the infrared reflective layer side, a medium refractive index layer 13, a high refractive index layer 14 and a low refractive index layer 15 in this order. The medium refractive index layer 13 has a light refractive index at a wavelength of 550 nm of 1.45 to 1.55 and a thickness of 80 to 200 nm. The high refractive index layer 14 has a light refractive index at a wavelength of 550 nm of 1.65 to 1.95 and a thickness of 100 to 350 nm. The low refractive index layer 15 has a light refractive index at a wavelength of 550 nm of 1.30 to 1.45 and a thickness of 70 to 150 nm.
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