Title:
PLASTIC LENS
Document Type and Number:
WIPO Patent Application WO/2012/165579
Kind Code:
A1
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.
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Inventors:
IMIZU TAKESHI (JP)
OHNISHI TOMOFUMI (JP)
OTA HIROSHI (JP)
HAMAMOTO TERUFUMI (JP)
OHNISHI TOMOFUMI (JP)
OTA HIROSHI (JP)
HAMAMOTO TERUFUMI (JP)
Application Number:
PCT/JP2012/064167
Publication Date:
December 06, 2012
Filing Date:
May 31, 2012
Export Citation:
Assignee:
HOYA CORP (JP)
IMIZU TAKESHI (JP)
OHNISHI TOMOFUMI (JP)
OTA HIROSHI (JP)
HAMAMOTO TERUFUMI (JP)
IMIZU TAKESHI (JP)
OHNISHI TOMOFUMI (JP)
OTA HIROSHI (JP)
HAMAMOTO TERUFUMI (JP)
International Classes:
G02C7/10; G02B1/10; G02B5/23; G02C7/02
Domestic Patent References:
| WO2009014086A1 | 2009-01-29 |
Foreign References:
| JPH11142612A | 1999-05-28 | |||
| JP2011138043A | 2011-07-14 |
Other References:
See also references of EP 2717085A4
Attorney, Agent or Firm:
Shin-yu International Patent Firm (JP)
Patent business corporation Nobutomo international patent firm (JP)
Patent business corporation Nobutomo international patent firm (JP)
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Claims: