Electronic device
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United States of America Patent
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-
Apr 24, 2007
Grant Date -
Jul 15, 2004
app pub date -
Dec 23, 2003
filing date -
Oct 29, 1999
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
To provide an electronic device capable of bright image display. A pixel is structured such that a switching TFT and a current controlling TFT are formed on a substrate and an EL element is electrically connected to the current controlling TFT. A gate capacitor formed between a gate electrode of the current controlling TFT and an LDD region thereof holds a voltage applied to the gate electrode, and hence a capacitor (condenser) is not particularly necessary in the pixel, thereby making the effective light emission area of the pixel large.
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