Overcurrent protection method, display panel and display device
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United States of America Patent
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Jul 26, 2022
Grant Date -
Jan 21, 2021
app pub date -
Dec 24, 2018
filing date -
Dec 12, 2018
priority date (Note) -
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Abstract
Disclosed are an overcurrent protection method, a display panel and a display device. The overcurrent protection method is applied to the display panel. The display panel includes a power supply circuit, a timing controller, a level shifting circuit and a gate driving circuit. The overcurrent protection method includes: in response to the level shifting circuit outputting a start clock signal to the gate driving circuit, timing, by the timing controller, and obtaining an input current average value input by the power supply circuit to the level shifting circuit during a first timing period t0 to t1; and controlling the gate driving circuit to enter an overcurrent protection state, in response to the input current average value being greater than or equal to a preset current average value.
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