Light emitting display device using multi-gate thin film...

Details Light emitting display device using multi-gate thin film... Light emitting display device using multi-gate thin film...

2006-01-03

2006-01-03

Ngô, Ngân V. (Department: 2818)

Active solid-state devices (e.g., transistors, solid-state diode

Field effect device

Having insulated electrode

C257S084000, C257S059000, C257S072000

Reexamination Certificate

active

06982462

ABSTRACT:
There is provided an electric device which can prevent a deterioration in a frequency characteristic due to a large electric power external switch connected to an opposite electrode and can prevent a decrease in the number of gradations. The electric device includes a plurality of source signal lines, a plurality of gate signal lines, a plurality of power source supply lines, a plurality of power source control lines, and a plurality of pixels. Each of the plurality of pixels includes a switching TFT, an EL driving TFT, a power source controlling TFT, and an EL element, and the power source controlling TFT controls a potential difference between a cathode and an anode of the EL element.

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