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. 19, 1998
Filed:
Jan. 21, 1997
Yoshihiko Aihara, Kanagawa-ken, JP;
Akira Ishizaki, Kanagawa-ken, JP;
Terutake Kadohara, Kanagawa-ken, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
A display device in which an area corresponding to electrodes placed one upon another is arranged to change into a light-transmissive state by applying a potential difference between the electrodes includes a pair of transparent electrodes respectively formed on a pair of transparent substrates, one of the pair of transparent electrodes having at least an electrode area of the same shape as a display pattern, a display substance disposed between the pair of transparent substrates, and a third transparent substrate disposed between the pair of transparent substrates, the third transparent substrate having a transparent electrode formed in an area other than an area corresponding to the display pattern.