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AssigneeEssilor International (Compagnie Generale d'Optique)
InventorsJagdish M. Jethmalani, Gomaa Abdelsadek, Erdem Cetin, Shawn McCarty, Junhao Ge
Estimating the term…
Disclosed herein are photopolymerizable compositions and formulations that comprise photochromic dyes, photochromic blue light blocking dyes, permanent dyes, permanent blue blocking dyes, and/or their combinations. In some variations, these formulations are suited for example, for sandwiching between lens blanks to form semi-finished lens assemblies to form a tinted lens useful in sunglasses. The formulations are also suitable for correcting optical aberrations, and may provide a photochromic effect when exposed to sunlight.
A method of tinting a sunglass lens that contains a sandwich configuration of two transparent elements having a cured polymer sandwiched in between said elements, said method comprising adding a dye to said curable polymer prior to said polymer being cured, wherein the cured polymer is a layer having a thickness of less than about 1 mm.
A method of making a tinted sunglass lens comprising:
A method of making a tinted sunglass lens comprising:
Dependencies are inferred from the claim text.