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US 2024/0174872 A1Published application
Spectacle lens
AssigneeHoya Lens Thailand Ltd.
InventorsYuji HOSHI, Kenji KOJIMA
Life of this patent
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Abstract
A spectacle lens including: a substrate; and a water-absorbent antifogging layer provided as an outermost layer on the substrate, wherein the water-absorbent antifogging layer contains an ultraviolet absorber, and the water-absorbent antifogging layer has spectral characteristics in which a light transmittance at least at 350 to 370 nm is less than 5%, and a wavelength at which the light transmittance is 5% or more is 370 nm or more.
Claims7
A spectacle lens comprising:
- a substrate;
- and a water-absorbent antifogging layer provided as an outermost layer on the substrate, wherein
- the water-absorbent antifogging layer contains an ultraviolet absorber, and
- the water-absorbent antifogging layer has spectral characteristics in which a light transmittance at least at 350 to 370 nm is less than 5%, and a wavelength at which the light transmittance is 5% or more is 370 nm or more.
1 more element
Dependencies are inferred from the claim text.