Title:
ELECTROCHROMIC ELEMENT AND SPECTACLE LENS
Document Type and Number:
WIPO Patent Application WO/2022/085667
Kind Code:
A1
Abstract:
The purpose of the present invention is to provide an electrochromic element in which reflection at a boundary between an electrode layer and a substrate is suppressed, and wear comfort and other characteristics are not compromised, and to provide a spectacle lens that uses the electrochromic element. This electrochromic element (10) is characterized by having substrates (1, 2) and an electrochromic film (3) which is positioned overlapping the substrates, the electrochromic film having electrode layers (4, 5) and an electrochromic layer (6), and the luminous reflectance of interfaces (11, 12) with the substrate sides of the electrode layers being 1.0% or less. Preferably, the electrode layers are transparent electrode layers comprising ITO, and the luminous reflectance of the interface of the ITO with the substrate side is 1.0% or less.
Inventors:
MIYAMOTO SOU (JP)
Application Number:
PCT/JP2021/038551
Publication Date:
April 28, 2022
Filing Date:
October 19, 2021
Export Citation:
Assignee:
HOYA LENS THAILAND LTD (TH)
MIYAMOTO SOU (JP)
MIYAMOTO SOU (JP)
International Classes:
G02F1/15; G02F1/155
Domestic Patent References:
| WO2020021107A1 | 2020-01-30 |
Foreign References:
| US20180017823A1 | 2018-01-18 | |||
| JP2019070788A | 2019-05-09 | |||
| JP2002062540A | 2002-02-28 | |||
| JP2017111389A | 2017-06-22 | |||
| JP2013101309A | 2013-05-23 | |||
| US20190184694A1 | 2019-06-20 | |||
| JPH0323507B2 | 1991-03-29 | |||
| JP2018132718A | 2018-08-23 | |||
| JP2020176814A | 2020-10-29 |
Attorney, Agent or Firm:
MATSUOKA Shuhei et al. (JP)
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