Title:
OPTICAL PHASE MODULATION ELEMENT AND DISPLAY DEVICE
Document Type and Number:
WIPO Patent Application WO/2022/050028
Kind Code:
A1
Abstract:
This optical phase modulation element (1A) comprises a plurality of divided regions (21, 22), which are provided in mutually different regions in the in-plane direction, and in which liquid crystal materials having mutually different refractive index anisotropy are enclosed, the divided regions (21, 22) displaying phase distribution patterns for color having mutually different wavelengths.
Inventors:
TORIYAMA AKIKO (JP)
MOCHIZUKI TAKAHIRO (JP)
MOCHIZUKI TAKAHIRO (JP)
Application Number:
PCT/JP2021/029845
Publication Date:
March 10, 2022
Filing Date:
August 13, 2021
Export Citation:
Assignee:
SONY GROUP CORP (JP)
International Classes:
G02F1/1347; G02F1/13; G02F1/133; G02F1/13357; G03B21/00; G03B21/14; G09F9/302
Domestic Patent References:
| WO2020054270A1 | 2020-03-19 |
Foreign References:
| JPH04293075A | 1992-10-16 | |||
| JP2008292725A | 2008-12-04 | |||
| JP2019158962A | 2019-09-19 |
Attorney, Agent or Firm:
TSUBASA PATENT PROFESSIONAL CORPORATION (JP)
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