PLASTIC LENS
    2.
    发明公开
    PLASTIC LENS 审中-公开
    塑料透镜

    公开(公告)号:EP2717085A4

    公开(公告)日:2014-11-19

    申请号:EP12793473

    申请日:2012-05-31

    Applicant: HOYA CORP

    CPC classification number: G02C7/102 G02B1/10 G02B5/23 G02C7/02

    Abstract: The present invention provides a plastic lens capable of suppressing deformation while having a photochromic film. A plastic lens according to the present invention is configured to include a plastic substrate formed in a meniscus shape with a concave surface and a convex surface, a photochromic film provided on the convex surface of the plastic substrate, and a stress compensation film provided on the concave surface of the plastic substrate.

Patent Agency Ranking