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Patent Searching and Data


Title:
CIRCULARLY POLARIZING PLATE AND DISPLAY DEVICE
Document Type and Number:
WIPO Patent Application WO/2019/093474
Kind Code:
A1
Abstract:
The present invention relates to a circularly polarizing plate used in a bendable display device provided with a polarizer and at least one phase difference layer disposed on one side of the polarizer, the hue of reflected light obtained before and after bending not changing sign on either side of the a* coordinate axis and b* coordinate axis in the a*b* chromaticity coordinates thereof.

Inventors:
KAWAMURA SHINICHI (JP)
Application Number:
PCT/JP2018/041654
Publication Date:
May 16, 2019
Filing Date:
November 09, 2018
Export Citation:
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Assignee:
SUMITOMO CHEMICAL CO (JP)
International Classes:
G02B5/30; G09F9/30; H01L27/32; H01L51/50; H05B33/02
Domestic Patent References:
WO2016158300A12016-10-06
Foreign References:
JP2017102443A2017-06-08
JP2017502360A2017-01-19
JP2008509433A2008-03-27
JP2004258394A2004-09-16
Attorney, Agent or Firm:
TANAI Sumio et al. (JP)
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