The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Oct. 08, 2024

Filed:

Mar. 11, 2019
Applicant:

Zeon Corporation, Tokyo, JP;

Inventor:

Kazuhiro Osato, Tokyo, JP;

Assignee:

ZEON CORPORATION, Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02F 1/1335 (2006.01); G02B 5/30 (2006.01); H10K 50/86 (2023.01);
U.S. Cl.
CPC ...
H10K 50/86 (2023.02); G02B 5/3016 (2013.01); G02B 5/305 (2013.01);
Abstract

An optically anisotropic layered body including a first optically anisotropic layer and a second optically anisotropic layer, wherein the first optically anisotropic layer satisfies the following formula (1), the second optically anisotropic layer satisfies the following formula (2), and the optically anisotropic layered body satisfies the following formulae (3) and (4):1≥1>1  Formula (1),2<2≤2  Formula (2),(450)<(550)<(650)  Formula (3), and0<<1.0  Formula (4), wherein nx1, ny1, nz1, nx2, ny2, nz2, Re(450), Re(550), Re(650) and NZ are as defined in the Specification.


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