Title:
OPTICAL DEVICE
Document Type and Number:
WIPO Patent Application WO/2019/021580
Kind Code:
A1
Abstract:
This optical device (1) comprises: a light-transmissive first substrate (10); a light-transmissive second substrate (20) arranged in opposition to the first substrate (10); a first electrode (30) arranged on the second substrate (20) side of the first substrate (10); an irregular structure (50) arranged on the second substrate (20) side of the first electrode (30); a second electrode (40) arranged on the first substrate (10) side of the second substrate (20); and a refractive index variable layer (60) arranged between the irregular structure (50) and the second electrode (40), and having a refractive index that changes in accordance with a voltage applied between the first electrode (30) and the second electrode (40). The refractive index variable layer (60) includes: an insulating liquid (61); and charged nanoparticles (62) included in the insulating liquid (61). The refractive index of the nanoparticles (62) is higher than the refractive index of the insulating liquid (61).
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Inventors:
OTA MASUYUKI
OZAKI CHIGUSA
ITO NORIHIRO
KITAMURA KAZUKI
SUZUKA YUKO
OZAKI CHIGUSA
ITO NORIHIRO
KITAMURA KAZUKI
SUZUKA YUKO
Application Number:
PCT/JP2018/018566
Publication Date:
January 31, 2019
Filing Date:
May 14, 2018
Export Citation:
Assignee:
PANASONIC IP MAN CO LTD (JP)
International Classes:
G02F1/167; G02B5/00; G02B26/08
Domestic Patent References:
| WO2016185692A1 | 2016-11-24 | |||
| WO2018100957A1 | 2018-06-07 |
Foreign References:
| JP2010510538A | 2010-04-02 | |||
| JP2013015613A | 2013-01-24 | |||
| US20030038755A1 | 2003-02-27 |
Attorney, Agent or Firm:
KAMATA Kenji et al. (JP)
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