The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 08, 2022
Filed:
Feb. 13, 2018
Ricoh Company, Ltd., Tokyo, JP;
Yoshinori Okada, Kanagawa, JP;
Keigo Takauji, Kanagawa, JP;
Satoshi Yamamoto, Kanagawa, JP;
Daisuke Goto, Kanagawa, JP;
Toshiya Sagisaka, Kanagawa, JP;
Masato Shinoda, Kanagawa, JP;
Kazuaki Tsuji, Kanagawa, JP;
Fuminari Kaneko, Kanagawa, JP;
Tohru Yashiro, Kanagawa, JP;
Mamiko Inoue, Kanagawa, JP;
Yuto Matsuoka, Tokyo, JP;
Naoki Ura, Kanagawa, JP;
RICOH COMPANY, LTD., Tokyo, JP;
Abstract
Provided is an electrochromic display device including a pair of supporting substrates facing each other, a pair of electrodes each disposed on the supporting substrate and facing each other, an electrochromic display layer disposed in contact with at least one of the pair of the electrodes, and an electrolyte layer disposed between the pair of the electrode, wherein the electrochromic display layer includes a plurality of electrochromic layers exhibiting mutually different coloring colors, and the plurality of the electrochromic layers are laminated on the electrode at least in a partial area of the electrode.