Title:
位相差フィルムの製造方法
Document Type and Number:
Japanese Patent JP4577033
Kind Code:
B2
Abstract:
A method for producing a roll of an optical compensation film, in the effective width of which an angle of the slow axis in the film face with the width direction of the film is within the range of ±1° and an angle of the fast axis in the film face with the length direction of the film is within the range of ±1°, wherein the angle of the fast axis in the film face with the length direction is cyclically varied by a cycle of from 1.5 m to 500 m in the length direction of the film and the minimum amplitude of the variation is within the range of from 0.1° to 1°.
Inventors:
Hiroki Umeda
Noriyasu Kuzuhara
Tamagawa Minori
Keisuke Nagashima
Noriyasu Kuzuhara
Tamagawa Minori
Keisuke Nagashima
Application Number:
JP2005033303A
Publication Date:
November 10, 2010
Filing Date:
February 09, 2005
Export Citation:
Assignee:
Konica Minolta Opto Co., Ltd.
International Classes:
G02B5/30; B29C55/02; B32B27/08; C09K19/00; G02F1/1335; G02F1/13363; B29L11/00
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