Invention Grant
- Patent Title: Wide optical film and method for producing the same
- Patent Title (中): 宽光学薄膜及其制造方法
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Application No.: US11385771Application Date: 2006-03-22
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Publication No.: US07749412B2Publication Date: 2010-07-06
- Inventor: Kazuyuki Shimizu , Syouichi Sugitani
- Applicant: Kazuyuki Shimizu , Syouichi Sugitani
- Applicant Address: JP Tokyo
- Assignee: Konica Minolta Opto, Inc.
- Current Assignee: Konica Minolta Opto, Inc.
- Current Assignee Address: JP Tokyo
- Agency: Finnegan, Henderson, Farabow, Garrett & Dunner, L.L.P.
- Priority: JP2005-091745 20050328
- Main IPC: B29D7/01
- IPC: B29D7/01 ; B29D11/00
Abstract:
An optical film comprising a cycloolefin resin or a cellulose ester resin, wherein (a) at least one of edges of the optical film is slit; (b) an average surface roughness Ra specified in JISB0601-2001 of a cross-section of the optical film formed by slitting is 0.05 to 0.9 μm; and (c) a width of the optical film is 1400 mm or more.
Public/Granted literature
- US20060216439A1 Optical film Public/Granted day:2006-09-28
Information query
