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:
Jul. 02, 2013
Filed:
Aug. 05, 2010
Keiichi Tanaka, Osaka, JP;
Satoru Kishimoto, Osaka, JP;
Keiichi Tanaka, Osaka, JP;
Satoru Kishimoto, Osaka, JP;
Sharp Kabushiki Kaisha, Osaka, JP;
Abstract
The present invention provides a display device using a copper wiring and having high display properties in which without preventing a higher aperture ratio of the pixel, coloring of a screen due to reflected light of external light produced within the display device can be prevented. The display device according to the present invention is a display device including a plurality of pixel regions, wherein each of the pixel regions includes a copper wiring containing copper or an alloy thereof, and a red-colored layer and a colored layer of another color; and an area of the copper wiring is smaller in the pixel region including the red-colored layer than in the pixel region including the colored layer of another color, the area of the copper wiring reflecting incident light entering from the display surface side of the display device.