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:
Dec. 31, 1991
Filed:
Dec. 01, 1989
Mikio Katayama, Ikoma, JP;
Hiroaki Kato, Nara, JP;
Kiyoshi Nakazawa, Fujiidera, JP;
Hidenori Negoto, Ikoma, JP;
Yuzuru Kanemori, Tenri, JP;
Motokazu Inui, Kawachinagano, JP;
Akihiko Imaya, Nara, JP;
Takayoshi Nagayasu, Nara, JP;
Sharp Kabushiki Kaisha, , JP;
Abstract
An active matrix display apparatus comprising a pair of substrates, at least one of which is translucent, a display medium charged between the substrates and modulated of its optical characteristics in response to applied voltage, picture element electrodes disposed in a matrix at the inner surface of either one of the pair of substrates, switching elements electrically connected to the picture element electrodes respectively, and spare switching elements disposed close to the picture element electrodes in a non-conductive state respectively, the extension end of the spare switching element and one end of the picture element electrode are disposed on a metal piece so as to sandwich an insulating layer therebetween, whereby a picture element defect caused by a malfunction of switching elements can be readily corrected.