Liquid crystal display device and overcurrent protection method thereof
A liquid crystal display device and overcurrent protection technology, which is applied to static indicators, instruments, etc., can solve the problems of not being able to reflect the situation of multiple channels in time, prevent false triggering of the overcurrent protection mechanism, and reduce large current leakage Probability, the effect of improving detection accuracy
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[0038] In order to further illustrate the technical means adopted by the present invention and its effects, the following describes in detail in conjunction with preferred embodiments of the present invention and accompanying drawings.
[0039] see figure 1 , the present invention provides a liquid crystal display device, comprising: a level shifter 10 and a GOA circuit 20 and an overcurrent protection circuit 30 respectively connected to the level shifter 10;
[0040] The overcurrent protection circuit 30 includes a current detection unit 31 connected to the level shifter 10 and a protection trigger unit 32 connected to the current detection unit 31;
[0041] The level shifter 10 is used to transmit multiple clock signals corresponding to each frame to the GOA circuit 20;
[0042] The current detection unit 31 is used to detect the current value of each clock signal before the last clock signal of the plurality of clock signals corresponding to each frame changes from low le...
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