EL DISPLAY DEVICE AND DRIVING METHOD THEREOF
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United States of America Patent
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Issued Date -
Oct 21, 2010
app pub date -
Apr 7, 2010
filing date -
Apr 17, 2009
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
There is provided an EL display device including: a drive transistor configured to determine an electric current to be supplied to the EL element; and a capacity for retaining a gate voltage of the drive transistor, wherein a gate electrode of the drive transistor is connected to a first electrode, which is one of electrodes of the capacity, a first power source and a second power source are connected alternately to a second electrode, which is the other electrode of the capacity, a power source of a reference voltage is connected in a first period in which a signal from a source signal line is applied to the drive transistor, and an EL anodic power source is connected in a second period in which the drive transistor supplies an electric current to the EL element.
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