Pixel of light emitting display device, and light emitting display device
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United States of America Patent
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Dec 27, 2022
Grant Date -
Sep 8, 2022
app pub date -
Aug 31, 2021
filing date -
Mar 8, 2021
priority date (Note) -
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status (Latency Note)
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Abstract
A pixel of a light emitting display device includes: a switching transistor which transfers a data voltage in response to a gate writing signal, a storage capacitor which stores a storage voltage, a driving transistor which generates a driving current based on the storage voltage stored in the storage capacitor, an emission transistor which selectively forms a path of the driving current in response to an emission signal, a light emitting diode which emits light based on the driving current, and a diode initialization transistor which transfers an initialization voltage to the light emitting diode in response to the emission signal. The storage voltage corresponds to a value obtained by subtracting a threshold voltage of the driving transistor from the data voltage.
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