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US20110033681A1 OPTICAL DEVICE AND ANTIREFLECTION FILM 有权
光学器件和抗反射膜

OPTICAL DEVICE AND ANTIREFLECTION FILM
摘要:
An antireflection film is formed by alternately laminating a low refractive index layer and a high refractive index layer. The antireflection film has a reflectance of 10% or less and an excitation purity range of 10% or less for visible light in a wavelength range from 380 nm to 780 nm incident at an incident angle ranging from 0° to 45° when regarding the direction perpendicular to the surface as 0°. The antireflection film inhibits a specific color tone from occurring in interference color of incident light coming from an oblique direction.
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