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 7334929 B1

PDF
Full Text
Expired
Date of Patent:
Feb. 26, 2008

Filed:

Sep. 09, 2002
Applicant:

Morimasa Sato, Shizuoka-ken, JP;

Inventor:

Morimasa Sato, Shizuoka-ken, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F21V 7/04 (2006.01);
U.S. Cl.
CPC ...
Abstract

The present invention is a method of producing a multicolor pixel sheet on which pixels of different colors (R, G and B) and a black matrix are formed. Pixels are formed with a gap therebetween on a light-transmitting substrate and each pixel is composed of a coloring layer. The black matrix is formed by a black coloring resin provided at upper surfaces of pixels on the pixel sheet, the gap between the pixels, and the outer periphery defined by the outermost pixels. A two-stage developing process is conducted after exposure from the back and the front of the substrate to form a spacer pattern having a predetermined thickness on the black matrix.


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Sato, Morimasa. (2008). Method of producing multicolor pixel sheet and color filter using the same (U.S. Patent No. 7334929). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7334929

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