Title:
OPTICAL ELEMENT
Document Type and Number:
WIPO Patent Application WO/2022/030481
Kind Code:
A1
Abstract:
This optical element comprises a transparent base material, an alignment layer that is formed on the transparent base material, and a liquid crystal layer that is formed on the alignment layer. A surface of the alignment layer, said surface being in contact with the liquid crystal layer, is provided with a plurality of grooves which are parallel to each other and align the liquid crystal molecules of the liquid crystal layer. The pitch of the grooves is from 10 nm to 600 nm. The alignment layer is composed of a copolymer of an energy curable composition; and the surface of the alignment layer contains elemental fluorine.
Inventors:
SEKIKAWA KENTA (JP)
NAGAYAMA HIROMICHI (JP)
ISHIDO SO (JP)
NAGAYAMA HIROMICHI (JP)
ISHIDO SO (JP)
Application Number:
PCT/JP2021/028750
Publication Date:
February 10, 2022
Filing Date:
August 03, 2021
Export Citation:
Assignee:
AGC INC (JP)
International Classes:
G02B5/30; G02B3/00
Foreign References:
| JP2014089346A | 2014-05-15 | |||
| JP2014006356A | 2014-01-16 | |||
| US5726723A | 1998-03-10 |
Attorney, Agent or Firm:
ITOH, Tadashige et al. (JP)
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