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:
May. 18, 2010
Filed:
May. 13, 2008
Applicants:
Takuya Takahashi, Hitachi, JP;
Takaaki Suzuki, Kasama, JP;
Inventors:
Takuya Takahashi, Hitachi, JP;
Takaaki Suzuki, Kasama, JP;
Assignee:
Hitachi Displays, Ltd., Morbara-shi, JP;
Primary Examiner:
Int. Cl.
CPC ...
G02F 1/136 (2006.01);
U.S. Cl.
CPC ...
Abstract
Disclosed is a liquid crystal display device having a signal line of low electrical resistivity and high adhesion with an underlayer, wherein a copper alloy film is formed on an underlayer, and an oxide film, silicide film or nitride film, which are additive metal elements of the copper alloy, is formed at the boundary between the underlayer and the copper alloy film whereby the signal line is formed with a multi-layer film of the copper alloy film and the oxide film, the silicide film, or the nitride film.