Voltage detection circuit, display device and display driving method thereof
A technology of voltage detection and display device, applied in static indicators, instruments, etc., can solve the problems of increased production cost and no voltage at the end of the voltage line, and achieve the effect of solving the problem of voltage drop
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[0020] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the drawings in the embodiments of the present invention. In the drawings, for clarity and ease of understanding and description, the dimensions of the components shown in the drawings are not in scale.
[0021] Such as figure 2 As shown, it is a circuit diagram of a voltage detection circuit provided by an embodiment of the present invention. The voltage detection circuit 50 includes: a voltage dividing circuit unit 501 , a detection circuit unit 502 and a switch circuit unit 503 .
[0022] The input terminal Vin of the voltage divider circuit unit 501 is electrically connected to the power management chip 40 of the display device (such as image 3 ), the voltage divider circuit unit 501 is used to divide the voltage output by the power management chip 40 to obtain the detection voltage Vdet, and the output terminal of the voltage d...
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