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AssigneeNippon Sheet Glass Co., Ltd.
InventorsKoichiro Nakamura, Toshifumi Tsujino
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Anti-reflection colored film-coated glass products prepared by forming on a transparent glass substrate with a refractive index of 1.47-1.53, a high refractive index film with a refractive index of 1.59-2.30 and a film thickness of 80-140 nm and containing 0-85% silicon oxides, 10-95% titanium oxides and 5-30% fine gold particles in terms of weight percentage, and by forming on the high refractive index film, a low refractive index film with a refractive index which is a value in the range of 1.35-1.58 and at least 0.20 smaller than the refractive index of the high refractive index film, having a film thickness of 70-99 nm and containing 90-100% silicon oxides in terms of weight percentage. These anti-reflection colored film-coated glass products of the invention have excellent anti-reflection performance for visible light and allow freedom in control of the color tones of transmitted light, and thus provide anti-reflection colored film-coated glass products with high visible light transmittance as well as the PDP optical filters that employ them.
An anti-reflection colored film-coated glass product prepared by forming on a transparent glass substrate with a refractive index of 1.47-1.53, a high refractive index film with a refractive index of 1.59-2.30 and a film thickness of 80-140 nm and containing 0-85% silicon oxides, 10-95% titanium oxides and 5-30% fine gold particles in terms of weight percentage wherein sum of silicon oxides, titanium oxides and fine gold particles is 90 wt % or more, and by forming on said high refractive index film, a low refractive index film with a refractive index which is a value in the range of 1.35-1.58 and at least 0.20 smaller than the refractive index of said high refractive index film, having a film thickness of 70-99 nm and containing 90-100% silicon oxides in terms of weight percentage.
An anti-reflection colored film-coated glass product prepared by forming on a transparent glass substrate with a refractive index of 1.47-1.53, a high refractive index film with a refractive of 1.59-2.30 and a film thickness of 80-140 nm and containing 0-89% silicon oxides and 11-100% titanium oxides, in terms of weight percentage wherein sum of silicon oxides and titanium oxides is 90 wt % or more, and by forming on said high refractive index film, a low refractive index film with a refractive index which is a value in the range of 1.35-1.58 and at least 0.20 smaller than the refractive index of said high refractive index film, having a film thickness of 70-99 nm and containing 70-95% silicon oxides and 4-30% fine gold particles in terms of weight percentage.
An anti-reflection colored film-coated glass product prepared by forming on a transparent glass substrate with a refractive index of 1.47-1.53, a high refractive index film with a refractive index of 1.59-2.30 and a film thickness of 80-140 nm and containing 0-89% silicon oxides, 10-100% titanium oxides and 0-30% fine gold particles in terms of weight percentage, wherein sum of silicon oxides, titanium oxides and fine gold particles is 90 wt % or more and by forming on said high refractive index film, a low refractive index film with a refractive index which is a value in the range of 1.35-1.58 and at least 0.20 smaller than the refractive index of said high refractive index film, having a film thickness of 70-99 nm and containing 70-100% silicon oxides and 0-30% fine gold particles in terms of weight percentage, wherein the sum of the fine gold particle content of the high refractive index film and the fine gold particle content of the low refractive index film is 4-30 wt %.
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