Title:
LIGHT ADJUSTING DEVICE
Document Type and Number:
WIPO Patent Application WO/2021/025115
Kind Code:
A1
Abstract:
A light adjusting device 10 comprises a light adjusting element 11 including a liquid crystal layer 22 and provided with a plurality of pixels arranged in a matrix; and a driving circuit 12 capable of setting each of the plurality of pixels to either a light transmitting state or a light blocking state. The driving circuit 12 changes the transmittance of the light adjusting element 11 by changing the ratio of pixels in the light blocking state to all of the pixels.
Inventors:
YAMAGUCHI MINORU (JP)
Application Number:
PCT/JP2020/030188
Publication Date:
February 11, 2021
Filing Date:
August 06, 2020
Export Citation:
Assignee:
TOPPAN PRINTING CO LTD (JP)
International Classes:
G02F1/13; G02F1/133; G02F1/1343; G02F1/137
Foreign References:
| JP2005031269A | 2005-02-03 | |||
| JPH06194755A | 1994-07-15 | |||
| JPH04188103A | 1992-07-06 | |||
| JPH01285921A | 1989-11-16 | |||
| JPH09237059A | 1997-09-09 | |||
| US20180252950A1 | 2018-09-06 |
Attorney, Agent or Firm:
KURATA, Masatoshi et al. (JP)
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