Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Yasuhito Aruga0
Kogo Endo0
Norihito Harada0
Satoshi Yatabe0
Date of Patent
December 12, 2006
0Patent Application Number
100008410
Date Filed
October 24, 2001
0Patent Citations Received
Patent Primary Examiner
Patent abstract
A wiring substrate is formed of a plurality of metal wirings 14e formed on a substrate 7c. A guard wiring 29 fabricated of an electrically conductive oxide such as ITO is interposed between at least a pair of adjacent ones of a plurality of metal wirings 14e. When voltages V1, V2, V3, and V4 applied to the metal wirings 14e are related to be V1>V2>V3>V4, a guard wiring 29 is present between a metal wiring 14e functioning as an anode and a metal wiring 14e functioning as a cathode, and the anode metal wiring 14e is prevented from being corroded.
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