Title:
偏光板用保護フィルム及びそれを用いた偏光板
Document Type and Number:
Japanese Patent JP6935463
Kind Code:
B2
Abstract:
There are provided a protective film for a polarizing plate, wherein the protective film comprises a stretched film comprising a (meth)acryl-based resin and having an absolute value of a planar orientation coefficient ΔP of less than or equal to 2.5×10−4, and a polarizing plate comprising a polarizing film, and the protective film for a polarizing plate laminated on at least one surface of the polarizing film via an adhesive layer. The stretched film can be, for example, a biaxially stretched film.
Inventors:
Takashi Shiraishi
Koji Sumita
Okada Tomodai
Koji Sumita
Okada Tomodai
Application Number:
JP2019148998A
Publication Date:
September 15, 2021
Filing Date:
August 15, 2019
Export Citation:
Assignee:
Sumitomo Chemical Co., Ltd.
International Classes:
G02B5/30; B29C55/12; B32B7/023; B32B27/30; C08J5/18
Domestic Patent References:
| JP2010231015A | ||||
| JP2010054720A | ||||
| JP2010100801A |
Foreign References:
| US7936510 |
Attorney, Agent or Firm:
Fukami patent office