Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Shingo Eguchi0
Rumo Satake0
Date of Patent
November 25, 2008
0Patent Application Number
099254860
Date Filed
August 10, 2001
0Patent Primary Examiner
Patent abstract
An unstable factor that the orientation of liquid crystal is fixed and left after a drive power source is turned off is reduced, preferable display quality is realized, and long term reliability is improved. After the drive power source is turned off, in order to block an electric field produced by charges left in a first electrode (485), a second electrode 492 is provided to overlap the first electrode. The first electrode is overlapped at 70% or more of its area with the second electrode. In addition, when the first electrode is used as an electrode composing a retaining capacitor 505, the retaining capacitor is overlapped at 90% or more of its area with the second electrode.
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