Title:
LIQUID CRYSTAL OPTICAL ELEMENT AND METHOD FOR MANUFACTURING SAME
Document Type and Number:
WIPO Patent Application WO/2023/171245
Kind Code:
A1
Abstract:
The purpose of one embodiment is to provide a liquid crystal optical element that can have an increased area. According to one embodiment, the liquid crystal optical element comprises a substrate, an alignment film disposed on the substrate, and a liquid crystal layer disposed on the alignment film, wherein: the alignment film has a plurality of first regions subjected to an alignment treatment, and a second region surrounding each of the plurality of first regions; the liquid crystal layer has a first alignment region that overlaps the first region and has a plurality of first liquid crystal molecules forming an alignment pattern in which the major axes of the respective liquid crystal molecule continuously change, and a second alignment region that overlaps the second region and has a plurality of second liquid crystal molecules in which the major axes of the respective liquid crystal molecule are arranged side by side in the same direction; and the liquid crystal layer is cured in a state in which alignment directions of the first liquid crystal molecules and second liquid crystal molecules are fixed.
Inventors:
HIGUCHI AYAKA (JP)
OKA SHINICHIRO (JP)
TOMIOKA YASUSHI (JP)
IGETA KOICHI (JP)
OKA SHINICHIRO (JP)
TOMIOKA YASUSHI (JP)
IGETA KOICHI (JP)
Application Number:
PCT/JP2023/004730
Publication Date:
September 14, 2023
Filing Date:
February 13, 2023
Export Citation:
Assignee:
JAPAN DISPLAY INC (JP)
International Classes:
G02B5/30; G02B5/18; G02F1/1337
Domestic Patent References:
| WO2019131966A1 | 2019-07-04 |
Foreign References:
| JP2019203983A | 2019-11-28 | |||
| JP2015532468A | 2015-11-09 | |||
| CN112099125A | 2020-12-18 |
Attorney, Agent or Firm:
S & S INTERNATIONAL PPC (JP)
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