POLYESTER FILM, AND POLARIZING PLATE INCLUDING THE SAME

Title:

POLYESTER FILM, AND POLARIZING PLATE INCLUDING THE SAME

Document Type and Number:

Japanese Patent JP2023159194

Kind Code:

A

Abstract:

To provide a polyester film that reduces the occurrence of rainbow unevenness when applied to an image display device, and can contribute to an improvement in the durability of a polarizing plate.SOLUTION: A polyester film has a coefficient of linear expansion of 3.5×10-5/°C or less in a first direction, and a coefficient of linear expansion of 3.5×10-5/°C or less in a second direction orthogonal to the first direction, and has a slow axis in a direction of -5° to 5° with respect to the first direction.SELECTED DRAWING: None

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Inventors:

AZUMA SHINTARO
SHIMIZU SUSUMU
YOSHIKAWA TAKAHIRO
KITAGISHI KAZUSHI
IKEDA TETSURO

Application Number:

JP2023129044A

Publication Date:

October 31, 2023

Filing Date:

August 08, 2023

Export Citation:

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Assignee:

NITTO DENKO CORP

International Classes:

G02B5/30; B29C55/12; C08J5/18

Attorney, Agent or Firm:

Takafumi Momii
Katsuya Takashina

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