Functional lens and functional eyeglasses provided with same
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United States of America Patent
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-
Dec 25, 2018
Grant Date -
Jul 6, 2017
app pub date -
Mar 24, 2016
filing date -
Apr 3, 2015
priority date (Note) -
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status (Latency Note)
Importance
Abstract
A functional lens which effectively prevents the separation of a functional layer in a fitting operation of a multilayer functional lens to a frame, and a pair of functional glasses with the lens are provided. The functional lens comprises a lens body and a laminate on the lens body. The laminate comprises, in sequence, a first thermoplastic resin layer, a first adhesive layer, an optically functional layer (e.g., a polarizing film), a second adhesive layer, and a second thermoplastic resin layer. The functional lens is to be fitted in a groove of a frame. The functional lens has an edge face having a shape with a peak. The peak of the edge face is positioned at a fitting side (the lens body side) relative to the first adhesive layer.
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Family
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