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Home MEMS Anti-reflection-colored-film-coated-glass-products-and-plasma-display-panel-optical-filters

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 Anti-reflection colored film-coated glass products and plasma display panel optical filters

Details
Inventors: Nakamura, Koichiro; Tsujino, Toshifumi;
Assignee: Nippon Sheet Glass Co., Ltd. (JP)
Primary Examiner: Jones; Deborah
Assistant Examiner: Blackwell-Rudasill; G. A.
Attorney, Agent or Firm: Konieczny; J. Mark Edwards & Angell, LLP, Conlin; David G.

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.

DETAILED DESCRIPTION What is claimed is: 1.
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.
2.
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.
3.
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



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