Patent ID: 7276856
Filing Date: 2007-10-02
Classification: G09G,H01L

Abstract:
1. A light emitting device comprising: a switching transistor provided in a pixel and over a substrate; a driving transistor provided in said pixel and over said substrate; a blanking transistor provided in said pixel and over said substrate; a pixel electrode provided in said pixel and over said substrate; a counter electrode provided over said substrate; an electroluminescence element provided in said pixel and comprising a light emitting layer, said light emitting layer provided over said substrate and between said pixel electrode and said counter electrode; and a switch connected with said counter electrode for switching a potential of said counter electrode from one of a first potential and a second potential to the other, wherein the driving transistor comprises an active layer and a gate electrode, and wherein the blanking transistor controls connection between the active layer and the gate electrode.