Transparent optical article with increased blue light cutting ability and superior aesthetics
AssigneeEssilor International
InventorsElliot FRENCH, Hao-Wen CHIU, Haifeng SHAN, Aref JALLOULI
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AssigneeEssilor International
InventorsElliot FRENCH, Hao-Wen CHIU, Haifeng SHAN, Aref JALLOULI
Estimating the term…
The invention relates to a transparent optical article comprising a thermoplastic substrate, at least one UV absorber, and at least one fluorescing dye at least partially inhibiting transmission of light having a wavelength ranging from 400 to 500 nm, wherein the spectral transmission curve of said transparent optical article has a light cut-off wavelength higher than or equal to 400 nm and an inflection point at a wavelength ranging from 400 to 450 nm, and the slope at said inflection point is higher than or equal to 6%/nm.
-15. (canceled)
A transparent optical article comprising:
Dependencies are inferred from the claim text.