Title:
RETARDATION FILM WITH PRIMER LAYER, POLARIZER WITH RETARDATION LAYER, AND METHOD FOR MANUFACTURING RETARDATION FILM WITH PRIMER LAYER
Document Type and Number:
WIPO Patent Application WO/2021/054112
Kind Code:
A1
Abstract:
Provided is a retardation film with a primer layer that does not break easily during production and has little unevenness in the retardation. The retardation film with a primer layer according to the present invention includes: a base film having an in-plane retardation; and a primer layer provided on at least one surface of the base film. The ratio T1/T2 between the average thickness T1 of the primer layer and the average thickness T2 of the base film is 0.11 or less, and the maximum thickness and the minimum thickness of the primer layer with respect to the average thickness T1 of the primer layer are 1.20 or less and 0.80 or greater, respectively.
Inventors:
NAKAHARA AYUMU (JP)
IKEDA TETSURO (JP)
IKEDA TETSURO (JP)
Application Number:
PCT/JP2020/033014
Publication Date:
March 25, 2021
Filing Date:
September 01, 2020
Export Citation:
Assignee:
NITTO DENKO CORP (JP)
International Classes:
G02B5/30; B29C55/04; C09D5/00; C09D175/04; C09D201/00; C09J7/29; C09J201/00
Domestic Patent References:
| WO2018042878A1 | 2018-03-08 |
Foreign References:
| JP2012159666A | 2012-08-23 | |||
| JP2012073552A | 2012-04-12 | |||
| JP2017181823A | 2017-10-05 | |||
| JP2012093703A | 2012-05-17 | |||
| JP2014174232A | 2014-09-22 |
Attorney, Agent or Firm:
MOMII Takafumi (JP)
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