INK FOR FORMING COATING FILM OF OPTICAL MEMBER, AND OPTICAL MEMBER
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United States of America
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Issued Date -
Mar 13, 2025
app pub date -
Sep 2, 2024
filing date -
Sep 2, 2024
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Abstract
Provided are an ink for forming a coating film of an optical member, containing a black pigment, at least one of a colored pigment or a colorless pigment, a binder, and a volatile component, in which, in a case of forming a coating film of an optical member, an average refractive index n of the coating film of an optical member in a wavelength range of 400 nm to 700 nm is 1.70 or more, and an average attenuation coefficient k of the coating film of an optical member in the wavelength range of 400 nm to 700 nm is 0.10 to 0.15, and a total ratio of the black pigment, the colored pigment, and the colorless pigment in an entire volume of the coating film of an optical member is 10% by volume to 40% by volume; and an application thereof.
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