Title:
TRANSPARENCY CONTROL DEVICE AND TRANSPARENCY CONTROL METHOD
Document Type and Number:
WIPO Patent Application WO/2023/021662
Kind Code:
A1
Abstract:
Provided is a transparency control device comprising a dimming liquid crystal film that changes transparency in accordance with an applied voltage, and a piezoelectric element that applies a voltage generated by deformation to the dimming liquid crystal film.
Inventors:
NIIJIMA ARINOBU (JP)
Application Number:
PCT/JP2021/030426
Publication Date:
February 23, 2023
Filing Date:
August 19, 2021
Export Citation:
Assignee:
NIPPON TELEGRAPH & TELEPHONE (JP)
International Classes:
G02F1/13; G02B27/02
Foreign References:
| JP2011209469A | 2011-10-20 | |||
| JPH1195159A | 1999-04-09 | |||
| JPS54122881U | 1979-08-28 | |||
| JP2016161807A | 2016-09-05 |
Attorney, Agent or Firm:
ITOH, Tadashige et al. (JP)
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