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:
Oct. 08, 1991
Filed:
Apr. 04, 1989
Jun Minoura, Anjo, JP;
Toshiya Uemura, Nagoya, JP;
Shigeyuki Takahashi, Inazawa, JP;
Toshiyasu Ito, Kasugai, JP;
Katsuaki Okabayashi, Nagoya, JP;
Toyoda Gosei Co. Ltd., Nishikasugai, JP;
Kabushiki Kaisha Toyota Chuo Kenkyusho, Aichi, JP;
Abstract
The present invention relates to an electrochromic element for use in various types of displays and dimming devices, and having a structure comprising bases, a pair of electrodes provided on the bases, at least one of the electrodes being a transparent electrode, color-forming layers provided between the pair of electrodes, and electrolyte superposed with the color-forming layers, and also provided between the pair of electrodes, and a light stabilizer made to be contained in the color-forming layers by being contained in the electrolyte.