Title:
OPTICALLY ANISOTROPIC LAMINATE, METHOD FOR MANUFACTURING SAME, CIRCULARLY POLARIZING PLATE, AND IMAGE DISPLAY DEVICE
Document Type and Number:
WIPO Patent Application WO/2023/162545
Kind Code:
A1
Abstract:
This optically anisotropic laminate comprises a first optically anisotropic layer, a second optically anisotropic layer, and a third optically anisotropic layer, and satisfies expression (1), expression (2), expression (3), expression (4), and expression (5), wherein the angle formed by the slow axis of the first optically anisotropic layer and the slow axis of the second optically anisotropic layer is 85° to 95°, inclusive. (1): nx1 > ny1 ≥ nz1 (2): nz2 ≥ nx2 > ny2 (3): nz3 > nx3 ≥ ny3 (4): Re1(450)/Re1(550) < Re2(450)/Re2(550) (5): Re1(550) > Re2(550) > Re3(550)
Inventors:
OSATO KAZUHIRO (JP)
Application Number:
PCT/JP2023/002076
Publication Date:
August 31, 2023
Filing Date:
January 24, 2023
Export Citation:
Assignee:
ZEON CORP (JP)
International Classes:
G02B5/30; G09F9/00; G09F9/30; H05B33/02; H10K50/00; H10K59/00
Domestic Patent References:
| WO2013146633A1 | 2013-10-03 | |||
| WO2018110277A1 | 2018-06-21 | |||
| WO2014054769A1 | 2014-04-10 |
Foreign References:
| JP2021516792A | 2021-07-08 | |||
| JP2019152714A | 2019-09-12 | |||
| JP2009251442A | 2009-10-29 | |||
| JP2008509425A | 2008-03-27 | |||
| JP2005208356A | 2005-08-04 | |||
| US20200192165A1 | 2020-06-18 | |||
| US20170192275A1 | 2017-07-06 | |||
| US20150042927A1 | 2015-02-12 |
Attorney, Agent or Firm:
SAKAI INTERNATIONAL PATENT OFFICE (JP)
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