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Title:
フィルム
Document Type and Number:
Japanese Patent JP7096720
Kind Code:
B2
Abstract:
To provide a film that has, by simple means, a very small phase difference.SOLUTION: The film is a film in which a phase separation portion is formed in matrix, having a positive form birefringence based on the phase separation structure, a negative orientation birefringence is introduced into matrix, and the form birefringence and the orientation birefringence are canceling each other.SELECTED DRAWING: None

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Inventors:
Tomoaki Kitamura
Shinya Imoto
Makoto Yamanishi
Application Number:
JP2018132648A
Publication Date:
July 06, 2022
Filing Date:
July 12, 2018
Export Citation:
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Assignee:
Nippon Shokubai Co., Ltd.
International Classes:
C08J5/18; C08F8/16; C08F287/00; G02B1/04
Foreign References:
WO2015079694A1
Attorney, Agent or Firm:
Asfi International Patent Office
Ueki Kuichi
Ueki Hisahiko
Tadashi Sugawa
Hiroaki Ito
Hiroaki Yamano



 
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