Title:
PHASE CONTRAST FILM AND PRODUCTION METHOD THEREFOR
Document Type and Number:
WIPO Patent Application WO/2021/039934
Kind Code:
A1
Abstract:
A phase contrast film formed from a resin containing a crystalline polymer, the coefficient of variation CV of the in-plane retardation (Re) at a measurement wavelength of 590 nm being 1.0% or lower.
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Inventors:
INOUE KYOSUKE (JP)
Application Number:
PCT/JP2020/032474
Publication Date:
March 04, 2021
Filing Date:
August 27, 2020
Export Citation:
Assignee:
ZEON CORP (JP)
International Classes:
B29C55/02; C08G61/06; G02B5/30
Domestic Patent References:
| WO2009038142A1 | 2009-03-26 | |||
| WO2014073019A1 | 2014-05-15 | |||
| WO2014162928A1 | 2014-10-09 | |||
| WO2018061841A1 | 2018-04-05 |
Foreign References:
| JP2014091793A | 2014-05-19 | |||
| JP2002131538A | 2002-05-09 | |||
| JP2010079239A | 2010-04-08 | |||
| JP2016122176A | 2016-07-07 | |||
| JP2007098643A | 2007-04-19 | |||
| JP2019120879A | 2019-07-22 | |||
| JP2012177890A | 2012-09-13 |
Attorney, Agent or Firm:
SAKAI INTERNATIONAL PATENT OFFICE (JP)
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