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US 12,606,692 B2Granted
Spectacle lens
AssigneeHoya Lens Thailand Ltd.
InventorMasahisa Kousaka
Life of this patent
Estimating the term…
Abstract
One embodiment according to the present disclosure relates to a spectacle lens containing a compound having a maximum absorption wavelength of 350 nm or more and 365 nm or less and a molar extinction coefficient of 20,000 l/mol·cm or more.
Claims19
A spectacle lens comprising:
- a lens substrate that contains
- Compound 1 having a maximum absorption wavelength of 350 nm or more and 365 nm or less and a molar extinction coefficient of 20,000 l/mol·cm or more, and
- a resin,
- wherein,
- the lens substrate has a refractive index ne of 1.58 or more and 1.80 or less.
2 more elements
Dependencies are inferred from the claim text.