Title:
OPTICAL FILM, METHOD FOR PRODUCING OPTICAL FILM, POLARIZING PLATE, AND IMAGE DISPLAY DEVICE
Document Type and Number:
WIPO Patent Application WO/2024/062850
Kind Code:
A1
Abstract:
The present invention addresses the problem of providing: an optical film which has improved alignment of a liquid crystal compound in an optically anisotropic layer and which is prevented from the occurrence of bright spot defects; a method for producing an optical film; a polarizing plate; and an image display device. The optical film according to the present invention comprises a support and an optically anisotropic layer which are located adjacent to each other, in which the optically anisotropic layer is a layer formed using an optically anisotropic layer-forming composition containing a polymerizable liquid crystal compound, the support contains a surfactant having a hydrophilic group and a hydrophobic group, and the hydrophobic group is at least one group selected from the group consisting of an alkyl group having 5 to 29 carbon atoms, a silicon-containing group, and a fluorine-containing group.
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Inventors:
FUKUSHIMA YUTA (JP)
MIMURA TOMONORI (JP)
YOSHIDA SHINPEI (JP)
TAKAHASHI YUTA (JP)
MIMURA TOMONORI (JP)
YOSHIDA SHINPEI (JP)
TAKAHASHI YUTA (JP)
Application Number:
PCT/JP2023/031117
Publication Date:
March 28, 2024
Filing Date:
August 29, 2023
Export Citation:
Assignee:
FUJIFILM CORP (JP)
International Classes:
G02B5/30; B32B7/023; B32B27/18; G02F1/1335; G02F1/13363; G09F9/00; H10K50/86; H10K59/10
Domestic Patent References:
| WO2018003653A1 | 2018-01-04 | |||
| WO2017057005A1 | 2017-04-06 | |||
| WO2016171041A1 | 2016-10-27 | |||
| WO2016043087A1 | 2016-03-24 | |||
| WO2020071169A1 | 2020-04-09 |
Foreign References:
| JP2021015188A | 2021-02-12 | |||
| JP2015148745A | 2015-08-20 |
Attorney, Agent or Firm:
ITOH Hideaki et al. (JP)
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