- Patent Title: Optically anisotropic layer, method of manufacturing the same, laminate, method of manufacturing the same, polarizing plate, liquid crystal display device, and organic EL display device
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Application No.: US18331810Application Date: 2023-06-08
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Publication No.: US12078832B2Publication Date: 2024-09-03
- Inventor: Ayako Muramatsu , Shinnosuke Sakai , Teruki Niori , Shinichi Morishima
- Applicant: FUJIFILM Corporation
- Applicant Address: JP Tokyo
- Assignee: FUJIFILM Corporation
- Current Assignee: FUJIFILM Corporation
- Current Assignee Address: JP Tokyo
- Agency: Edwards Neils LLC
- Agent Jean C. Edwards, Esq.
- Priority: JP 13188162 2013.09.11 JP 14072290 2014.03.31 JP 14114182 2014.06.02
- Main IPC: G02B5/30
- IPC: G02B5/30 ; C09K19/12 ; C09K19/20 ; C09K19/24 ; C09K19/30 ; C09K19/32 ; C09K19/34 ; C09K19/04

Abstract:
To suppress a phenomenon where an optical axis of the optically anisotropic layer is tilted when the optically anisotropic layer is produced by using a liquid crystalline compound showing smectic phase as a materials showing a higher level of orderliness. An optically anisotropic layer wherein a polymerizable composition, containing one or more polymerizable rod-like liquid crystal compound showing a smectic phase, is fixed in a state of smectic phase, and a direction of maximum refractive index of the optically anisotropic layer is inclined at 10° or smaller to the surface of the optically anisotropic layer, a method for manufacturing the same, a laminate and a method for manufacturing the same, a polarizing plate, a liquid crystal display device, and an organic EL display device.
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