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.
More Like This:
JP4130836 | Reflective polarizer display |
JP6303264 | Image display device |
WO/2004/038477 | PROCESS FOR PRODUCING CELLULOSE ACYLATE FILM |
Inventors:
INOUE KYOSUKE (JP)
OSATO KAZUHIRO (JP)
OSATO KAZUHIRO (JP)
Application Number:
PCT/JP2023/014049
Publication Date:
November 02, 2023
Filing Date:
April 05, 2023
Export Citation:
Assignee:
ZEON CORP (JP)
International Classes:
G02B5/30; B32B7/023; B32B27/00; B32B27/32; G02F1/13363; H10K50/86; H10K59/10
Domestic Patent References:
WO2017094485A1 | 2017-06-08 | |||
WO2017188160A1 | 2017-11-02 |
Foreign References:
JPH05100114A | 1993-04-23 | |||
JPH11149015A | 1999-06-02 | |||
JPH11231132A | 1999-08-27 |
Attorney, Agent or Firm:
SAKAI INTERNATIONAL PATENT OFFICE (JP)
Download PDF:
Previous Patent: ELECTRONIC DEVICE, METHOD AND PROGRAM
Next Patent: COIL COMPONENT AND FILTER CIRCUIT
Next Patent: COIL COMPONENT AND FILTER CIRCUIT