Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Tomoo Fukuda0
Noboru Sasa0
Takaaki Konno0
Tohru Yashiro0
Hiroyuki Takahashi0
Keiichiroh Yutani0
Koh Fujimura0
Date of Patent
February 1, 2022
0Patent Application Number
162502910
Date Filed
January 17, 2019
0Patent Citations
Patent Primary Examiner
Patent abstract
An electrochromic element is provided that includes a first substrate and a second substrate that are arranged to oppose each other, a first transparent electrode that is formed on a surface of the first substrate facing the second substrate, a second transparent electrode that is formed on a surface of the second substrate facing the first substrate, and a coloration layer that is arranged between the first transparent electrode and the second transparent electrode. The coloration layer includes an electrochromic material and an electrolyte, and a pattern or a concentration gradient of the electrochromic material is formed in at least a part of the coloration layer.
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