Pixel driving circuit including control unit to measure voltage difference between opposite ends of sampling resistor, and display panel including the same
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United States of America Patent
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-
Aug 22, 2023
Grant Date -
N/A
app pub date -
Apr 15, 2020
filing date -
Apr 2, 2020
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A pixel driving circuit and a display panel are provided. The pixel driving circuit includes a control unit to output a control signal by detecting a voltage difference between two opposite ends of a sampling resistor, and to turn on a fourth switch by the control signal. When the fourth switch is turned on, a second positive voltage received by the pixel driving circuit charges a second node to further speed up a voltage pulling up of the second node to improve a detecting speed of the pixel driving circuit.
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