Invention Grant
- Patent Title: Plastic lens and manufacturing method thereof
- Patent Title (中): 塑料透镜及其制造方法
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Application No.: US12503400Application Date: 2009-07-15
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Publication No.: US08092014B2Publication Date: 2012-01-10
- Inventor: Hiroshi Ota
- Applicant: Hiroshi Ota
- Applicant Address: JP Tokyo
- Assignee: Hoya Corporation
- Current Assignee: Hoya Corporation
- Current Assignee Address: JP Tokyo
- Agency: Oblon, Spivak, McClelland, Maier & Neustadt, L.L.P.
- Priority: JP2008-186468 20080717
- Main IPC: G02C7/10
- IPC: G02C7/10 ; G02C7/02 ; B32B27/36
Abstract:
A plastic lens plastic includes a plastic substrate (1) having a first main surface that is a convex surface (1A) and a second main surface that is a concave surface (1B), a photochromic compound-containing photochromic layer formed on the convex surface side of the substrate, and an impact-absorbing primer layer formed on the concave surface side of the substrate.
Public/Granted literature
- US20100014144A1 PLASTIC LENS AND MANUFACTURING METHOD THEREOF Public/Granted day:2010-01-21
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