Title:
ポリイミドフィルム
Document Type and Number:
Japanese Patent JP7005680
Kind Code:
B2
Abstract:
To provide an optical film that can be used as a front plate material of a flexible display and improves the visibility of white printing of a bezel part.SOLUTION: A polyimide film contains at least one polyimide polymer and has a yellowness YI of 0
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Inventors:
One-sided volum
Mio Yasui
Takashi Sakurai
Mio Yasui
Takashi Sakurai
Application Number:
JP2020075562A
Publication Date:
January 21, 2022
Filing Date:
April 21, 2020
Export Citation:
Assignee:
Sumitomo Chemical Co., Ltd.
International Classes:
B32B27/34; C08G73/10; C08J5/18; C08K3/36; C08K5/18; C08L79/08; G02B5/30
Domestic Patent References:
| JP2009263654A | ||||
| JP2016093992A | ||||
| JP10060274A | ||||
| JP9291224A | ||||
| JP2004115698A | ||||
| JP2015185436A | ||||
| JP2007148334A | ||||
| JP2017014380A | ||||
| JP2016010920A |
Foreign References:
| WO2016129329A1 | ||||
| WO2016088641A1 | ||||
| WO2017014287A1 | ||||
| WO2016108675A1 | ||||
| KR1020130088362A | ||||
| KR1020160098984A |
Attorney, Agent or Firm:
Michiko Matsutani
Kenichi Morizumi
Ikuko Iwaki
Kenichi Morizumi
Ikuko Iwaki
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