Title:
LIQUID CRYSTAL PHASE MODULATOR, PHASE SHIFTER, PHASED ARRAY ANTENNA DEVICE, AND RADIO WAVE REFLECTOR
Document Type and Number:
WIPO Patent Application WO/2022/259891
Kind Code:
A1
Abstract:
This phase modulator comprises a first electrode, a second electrode, and a liquid crystal layer which contains a plurality of liquid crystal molecules and is disposed between the first electrode and the second electrode, wherein: the height of the liquid crystal layer from the first electrode to the second electrode is 30-50 μm; and in a planar view of a first surface which includes the first electrode, the liquid crystal layer, and the second electrode and which intersects the in-plane direction of the first electrode, at least two liquid crystal molecules disposed adjacently in a direction parallel to the in-plane direction of the first electrode and having different orientations are included.
Inventors:
ARAKI SHIGESUMI (JP)
OKITA MITSUTAKA (JP)
SUZUKI DAIICHI (JP)
OKA SHINICHIRO (JP)
OKITA MITSUTAKA (JP)
SUZUKI DAIICHI (JP)
OKA SHINICHIRO (JP)
Application Number:
PCT/JP2022/021750
Publication Date:
December 15, 2022
Filing Date:
May 27, 2022
Export Citation:
Assignee:
JAPAN DISPLAY INC (JP)
International Classes:
H01P1/18; G02F1/13; H01Q3/36; H01Q15/14
Domestic Patent References:
| WO2017061526A1 | 2017-04-13 |
Foreign References:
| JP2020532911A | 2020-11-12 | |||
| JP2020150496A | 2020-09-17 |
Other References:
DOYLE, D. T.: "Development of liquid crystal reflectarrays utilizing a passive matrix control scheme", 2014 IEEE ANTENNAS AND PROPAGATION SOCIETY INTERNATIONAL SYMPOSIUM, 2014, pages 1031 - 1032, XP032644994, DOI: 10.1109/APS.2014.6904842
Attorney, Agent or Firm:
TAKAHASHI, HAYASHI AND PARTNER PATENT ATTORNEYS, INC. (JP)
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