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Title:
OPTICAL LAMINATE AND OPTICAL MEMBER INCLUDING SAME
Document Type and Number:
WIPO Patent Application WO/2023/210280
Kind Code:
A1
Abstract:
An optical laminate which includes, in order, a first λ/2 plate comprising only a material M1, a second λ/2 plate comprising only a material M2 and a λ/4 plate comprising only a material M3, wherein: the angle formed by the slow-phase axis of the first λ/2 plate and the slow-phase axis of the second λ/2 plate is 24.6-30.6°, inclusive; the angle formed by the slow-phase axis of the first λ/2 plate and the slow-phase axis of the λ/4 plate is 90.5-96.5°, inclusive; the first λ/2 plate, the second λ/2 plate and the λ/4 plate each satisfy a prescribed formula; and the material M1, the material M2 and the material M3 each constitute a prescribed material.

Inventors:
INOUE KYOSUKE (JP)
OSATO KAZUHIRO (JP)
Application Number:
PCT/JP2023/014049
Publication Date:
November 02, 2023
Filing Date:
April 05, 2023
Export Citation:
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Assignee:
ZEON CORP (JP)
International Classes:
G02B5/30; B32B7/023; B32B27/00; B32B27/32; G02F1/13363; H10K50/86; H10K59/10
Domestic Patent References:
WO2017094485A12017-06-08
WO2017188160A12017-11-02
Foreign References:
JPH05100114A1993-04-23
JPH11149015A1999-06-02
JPH11231132A1999-08-27
Attorney, Agent or Firm:
SAKAI INTERNATIONAL PATENT OFFICE (JP)
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