Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Junichi Koike0
Date of Patent
May 10, 2011
0Patent Application Number
128039430
Date Filed
July 9, 2010
0Patent Citations Received
Patent Primary Examiner
Patent abstract
A liquid crystal display device including, a pair of substrates, a gate electrode of a thin film transistor (TFT) formed on one of the substrates, and a wiring layer connected to the gate electrode or an electrode of the thin film transistor, wherein at least a part of the gate electrode or a part the wiring layer is formed by a layer structured by a pure copper layer and a Cu—Mn alloy layer including Mn, wherein a concentration of Mn in the Cu—Mn alloy layer is more than 0.1 and not more than 20 atomic percentage within a solubility limit of Mn in the copper, and wherein a boundary surface between the Cu—Mn alloy layer and said one of the substrate includes an oxide layer having a Mn oxide layer.
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