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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.:

US 6244702 B1

PDFFull Text
Date of Patent:
Jun. 12, 2001

Filed:

Sep. 13, 1999

Method and apparatus for producing color filter, color filter, liquid crystal display device and apparatus having the liquid crystal display device

Applicant:
Inventors:

Shigeo Sakino, Yokohama, JP;

Kazuaki Masuda, Kawasaki, JP;

Shinsuke Tsuruoka, Kawasaki, JP;

Toshikazu Sakai, Yokohama, JP;

Assignee:

Canon Kabushiki Kaishi, Tokyo, JP;

Attorney:

Fitzpatrick, Cella, Harper & Scinto

Primary Examiner:

John Barlow

Assistant Examiner:

J Stephens

Int. Cl.
CPC ...
B41J 3/407 ;
U.S. Cl.
CPC ...
B41J 3/407 ;
Abstract

This invention relates to a highly precise and efficient color filter producing apparatus, which is provided with at least a set of drawing heads for respectively generating ink jets of red, green and blue colors, movement means for moving, with a substrate on which a color filter is to be formed by drawing with said ink jets, in a plane having a predetermined distance from the drawing heads, displacement detection means for detecting relative displacement between the substrate and the drawing heads in directions of six freedoms, means for detecting the reaching position on the substrate of the ink jet discharged from the drawing head, and alignment means for effecting alignment between the substrate and the drawing heads in directions of six freedoms, based on the results of detection of the reaching position and of the relative displacement between the substrate and the drawing head in directions of six freedoms.

Find Patent Forward Citations

Sakino, Shigeo. (2001). Method and apparatus for producing color filter, color filter, liquid crystal display device and apparatus having the liquid crystal display device (U.S. Patent No. 6244702). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6244702

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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