Invention Grant
- Patent Title: Production method for transparent polymer film and transparent polymer film produced according to the method, retardation film, polarizer, and liquid crystal display device
- Patent Title (中): 根据该方法制造的透明聚合物膜和透明聚合物膜的制造方法,延迟膜,偏振片和液晶显示装置
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Application No.: US11913223Application Date: 2007-02-21
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Publication No.: US08435432B2Publication Date: 2013-05-07
- Inventor: Yasuyuki Sasada
- Applicant: Yasuyuki Sasada
- Applicant Address: JP Tokyo
- Assignee: FUJIFILM Corporation
- Current Assignee: FUJIFILM Corporation
- Current Assignee Address: JP Tokyo
- Agency: Buchanan Ingersoll & Rooney PC
- International Application: PCT/JP2007/053158 WO 20070221
- International Announcement: WO2008/114332 WO 20080925
- Main IPC: G02B1/08
- IPC: G02B1/08

Abstract:
Retardation expressibility of a transparent polymer film can be easily controlled by heat treatment of the film at a temperature T (unit, ° C.) satisfying a condition of the following formula (1): Tc≦T
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