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Patent Searching and Data


Title:
OPTICAL FILM
Document Type and Number:
WIPO Patent Application WO/2021/060107
Kind Code:
A1
Abstract:
This optical film includes a glass film, and a polarizing plate. The glass film has a thickness of 50-150 μm inclusive, and has a crack with a length of 20 μm or more at an end thereof. The polarizing plate has a polarizer and a protective film disposed on at least one surface of the polarizer. Regarding the polarizing plate, the absolute value of a difference between a strain amount in an MD direction and a strain amount in a TD direction under a constant-temperature and constant humidity environment with a temperature of 60°C and a humidity of 90% is 0 to 40×10-6.

Inventors:
MURASHIGE TAKESHI (JP)
OMINE TOSHIKI (JP)
Application Number:
PCT/JP2020/035082
Publication Date:
April 01, 2021
Filing Date:
September 16, 2020
Export Citation:
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Assignee:
NITTO DENKO CORP (JP)
International Classes:
G02B5/30
Domestic Patent References:
WO2019151091A12019-08-08
WO2009072357A12009-06-11
WO2015186685A12015-12-10
Foreign References:
JP2016160268A2016-09-05
JP2009110026A2009-05-21
JP2015106045A2015-06-08
US20190085465A12019-03-21
JP2014527190A2014-10-09
Attorney, Agent or Firm:
ITOH, Tadashige et al. (JP)
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