Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
September 28, 2010
Patent Application Number
11703980
Date Filed
February 8, 2007
Patent Primary Examiner
Patent abstract
In an active matrix EL display device, pixels which are suitable for a constant current drive are structured. The pixel includes a first switch which has one end connected to a source signal line and the other end connected to a current-voltage conversion element, a second switch which has one end connected to the current-voltage conversion element and the other end connected to a voltage holding capacitor and to a voltage-current conversion element, and a pixel electrode connected to the current-voltage conversion element and to the voltage-current conversion element.
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