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:
Nov. 14, 2000
Filed:
Jul. 09, 1996
Makoto Akahira, Kawasaki, JP;
Hisanori Tsuda, Atsugi, JP;
Hiroshi Sato, Yokohama, JP;
Shinsuke Tsuruoka, Kawasaki, JP;
Yoshihiro Shigemura, Yokohama, JP;
Hiromitsu Yamaguchi, Kawasaki, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
It is an object of the present invention to provide a color filter manufacturing method in which an abnormality in a head is quickly detected to reduce the quantity of defective products. In order to achieve this object, there is provided a color filter manufacturing method of coloring each pixel of a color filter by discharging an ink onto a substrate using an ink-jet head, thereby manufacturing a color filter, including performing detection of a discharge failure in the ink-jet head before coloring of at least a first pixel in an effective pixel portion serving as a color filter.