To provide an active matrix electronic device capable of performing clear color gray-scale display. The electronic device is characterized in that a plurality of pixels composing a pixel portion is surrounded by a source signal line, a first gate signal line, a second gate signal line, and a power supply line, and that the plurality of pixels have a switching TFT, an EL driving TFT, an eliminating TFT, and an EL element, respectively.

 
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< Inorganic electrode for organic electroluminescent devices

< Light emitting device and driving method thereof

> Lamination of organic semiconductor

> Organic electroluminescent device

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