Ophthalmic lenses utilizing polyethylene terephthalate polarizing films
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United States of America Patent
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-
Jul 1, 2003
Issued Date -
N/A
app pub date -
Apr 9, 2001
filing date -
Dec 29, 1999
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An optical-quality part such as an ophthalmic lens is provided having a PET polarizing film integrally bonded thereto and, optionally, a hard coating integrally bonded to either the PET polarizing film or to the optical construct containing the PET polarizing film. In a preferred construction, the lens material or film may be surface treated, either physically and/or chemically, for integrally bonding the film to the lens material. Similarly, in another preferred construction, the film may be physically and/or chemically surface treated for integrally bonding a hard coating to the PET film.
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