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:
Apr. 25, 2017
Filed:
Mar. 22, 2013
Yoshinori Okada, Kanagawa, JP;
Tohru Yashiro, Kanagawa, JP;
Yoshihisa Naijo, Kanagawa, JP;
Sukchan Kim, Kanagawa, JP;
Shigenobu Hirano, Kanagawa, JP;
Koh Fujimura, Tokyo, JP;
Hiroyuki Takahashi, Kanagawa, JP;
Kazuaki Tsuji, Kanagawa, JP;
Toshiya Sagisaka, Kanagawa, JP;
Keiichiroh Yutani, Kanagawa, JP;
Mamiko Inoue, Kanagawa, JP;
Yoshinori Okada, Kanagawa, JP;
Tohru Yashiro, Kanagawa, JP;
Yoshihisa Naijo, Kanagawa, JP;
Sukchan Kim, Kanagawa, JP;
Shigenobu Hirano, Kanagawa, JP;
Koh Fujimura, Tokyo, JP;
Hiroyuki Takahashi, Kanagawa, JP;
Kazuaki Tsuji, Kanagawa, JP;
Toshiya Sagisaka, Kanagawa, JP;
Keiichiroh Yutani, Kanagawa, JP;
Mamiko Inoue, Kanagawa, JP;
RICOH COMPANY, LTD., Tokyo, JP;
Abstract
Disclosed is an electrochromic display device including a display substrate, a display electrode provided on the display substrate, a first electrochromic layer provided on the display electrode, an intermediate display electrode provided above the first electrochromic layer separately from the first electrochromic layer, a second electrochromic layer provided on and contacting the intermediate display electrode, an opposed substrate, an opposed electrode provided on the opposed substrate, and an electrolyte solution provided between a surface of the display substrate on which the display electrode is formed and a surface of the opposed substrate on which the opposed electrode is formed, wherein the intermediate display electrode contains a rod-shaped, whisker-shaped, or long-fiber-shaped electrically conductive fine particle, and at least a portion of a space in the electrically conductive fine particle is filled with a material forming the second electrochromic layer.