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. 11, 2012
Filed:
Apr. 02, 2007
Tomonori Nishida, Tokyo-to, JP;
Hiroyuki Honda, Tokyo-to, JP;
Tomonori Nishida, Tokyo-to, JP;
Hiroyuki Honda, Tokyo-to, JP;
Dai Nippon Printing Co., Ltd., Tokyo-to, JP;
Abstract
A method of producing a color filter by using the ink jet system. The method includes a step of preparing a specific ink-jet ink for color filter, the ink containing a pigment, a pigment dispersing agent, a binder forming system and a solvent, a step of forming an R ink layer, a G ink layer and a B ink layer respectively by the ink jet system and a step of curing each of the ink layer to form an R pixel, a G pixel and a B pixel, which each have an average film thickness range from 1.5 μm to 2.5 μm and a film thickness distribution range from 1.0 μm to 3.0 μm, wherein the ratio of the total area of the regions having a film thickness of 1.5 μm or less or 2.5 μm or more in one pixel is 5% or less.