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:
May. 22, 1990
Filed:
Aug. 12, 1988
Toshiyasu Ito, Aichi, JP;
Jun Minoura, Aichi, JP;
Shigeyuki Takahashi, Aichi, JP;
Takaaki Mori, Aichi, JP;
Mamoru Kato, Aichi, JP;
Toshikazu Funahashi, Aichi, JP;
Toyoda Gosei Co., Ltd., Nishikasugai, JP;
Abstract
The present invention relates to a planar electrochromic dimmer used in dimming devices such as car sun roofs, and others having a structure comprising; a pair of bases, each comprising a transparent electrode film provided on each of a pair of bases, and arranged such that both transparent electrode films are facing each other, an electrolyte provided between the two electrode-equipped bases, a color-forming layer provided on at least one of the electrode-equipped bases, and a thin film with a visible ray transmittivity of 20-60% provided on at least one of the bases or the transaprent electrode films.