Electronic circuit, method of driving electronic circuit, electro-optical device, and electronic apparatus
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United States of America Patent
Stats
-
Jan 19, 2010
Grant Date -
Oct 27, 2005
app pub date -
Mar 29, 2005
filing date -
Apr 22, 2004
priority date (Note) -
In Force
status (Latency Note)
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Abstract
, transistors are turned on, and a current flows into an OLED element, such that a voltage according to the current is held at the node A. Thereafter, the transistors are sequentially turned off, such that a threshold voltage of a driving transistor is held at the node A. In a writing period, a transistor is turned on and a data signal X-j is supplied, such that a voltage of the node B varies by the amount according to the current flowing into the OLED element. The voltage of the node A varies from the threshold voltage by the amount which is obtained by dividing the voltage variation by a capacitance ratio. In a light-emitting period, the transistor is turned on, such that a current according to the voltage of the node A flows into the OLED element.
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