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:
Jun. 03, 2014
Filed:
Nov. 30, 2011
Hiroyuki Takahashi, Kanagawa, JP;
Yoshinori Okada, Kanagawa, JP;
Tohru Yashiro, Kanagawa, JP;
Akishige Murakami, Miyagi, JP;
Shigenobu Hirano, Kanagawa, JP;
Yoshihisa Naijo, Kanagawa, JP;
Hiroyuki Takahashi, Kanagawa, JP;
Yoshinori Okada, Kanagawa, JP;
Tohru Yashiro, Kanagawa, JP;
Akishige Murakami, Miyagi, JP;
Shigenobu Hirano, Kanagawa, JP;
Yoshihisa Naijo, Kanagawa, JP;
Ricoh Company, Ltd., Tokyo, JP;
Abstract
A disclosed electrochromic display element includes a display substrate, a counter substrate facing the display substrate, display electrodes arranged between the display substrate and the counter substrate, electrochromic layers formed on the respective display electrodes, a plurality of drive elements arranged on the counter substrate at predetermined intervals, a plurality of pixel electrodes arranged on the drive elements, a charge retention layer formed over the pixel electrodes as a continuous layer, the charge retention layer being formed of a mixed film including a polymer and one of electric conductive microparticles and semiconductor microparticles, and an electrolyte layer sandwitched between the display substrate and the charge retention layer.