Invention Grant
US07641837B2 Production method of rolled optical film having coating layer, rolled optical film, polarizing plate and liquid crystal display
失效
具有涂层，卷绕光学膜，偏振片和液晶显示器的轧制光学薄膜的制造方法
- Patent Title: Production method of rolled optical film having coating layer, rolled optical film, polarizing plate and liquid crystal display
- Patent Title (中): 具有涂层，卷绕光学膜，偏振片和液晶显示器的轧制光学薄膜的制造方法
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Application No.: US11356640Application Date: 2006-02-17
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Publication No.: US07641837B2Publication Date: 2010-01-05
- Inventor: Nobuyuki Takiyama , Kazuyuki Shimizu , Kousei Mizoguchi
- Applicant: Nobuyuki Takiyama , Kazuyuki Shimizu , Kousei Mizoguchi
- Applicant Address: JP Tokyo
- Assignee: Konica Minolta Opto, Inc.
- Current Assignee: Konica Minolta Opto, Inc.
- Current Assignee Address: JP Tokyo
- Agency: Frishauf, Holtz, Goodman & Chick, P.C.
- Priority: JP2005-044068 20050221
- Main IPC: B28B11/08
- IPC: B28B11/08 ; B29C59/04
Abstract:
A method for producing a roll film provided with a coat layer comprising the steps of: (i) producing a roll film; (ii) applying a first embossing treatment along a longitudinal direction of the roll film on a part of a lateral direction of the roll film; (iii) applying a coat layer on the roll film; (iv) applying a second embossing treatment along a longitudinal direction of the roll film on a part of a lateral direction of the roll film; (v) heat treating the roll film at a temperature of 50 to 150° C. for a duration of 1 to 30 days while the roll film is rolled in a roll.
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