Pixel circuit, driving method thereof and display device
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United States of America Patent
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Feb 13, 2018
Issued Date -
N/A
app pub date -
Oct 7, 2015
filing date -
Oct 8, 2014
priority date (Note) -
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status (Latency Note)
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Abstract
To provide a pixel circuit and the like capable of preventing contrast deterioration caused by leaked light emission at the time of reset actions. The pixel circuit includes: a light emitting element; a driving transistor which supplies an electric current to the light emitting element according to an applied voltage; a capacitor part which holds a voltage containing a threshold voltage and a data voltage of the driving transistor and applies the voltage to the driving transistor; and a switch part which makes the capacitor part hold the voltage containing the threshold voltage and the data voltage. The switch part includes a current detour transistor which makes the electric current supplied from the driving transistor detour to a reference voltage power supply line without going through the light emitting element.
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