OVERCURRENT DETECTING CIRCUIT AND LEAKAGE CURRENT DETECTING CIRCUIT

摘要

An overcurrent detecting circuit and a leakage current detecting circuit are disclosed. In one aspect, the overcurrent detecting circuit of a display device supplying a power voltage to a display panel through a plurality of power supply lines. The overcurrent detecting circuit includes a plurality of power voltage measurement lines electrically connected to different points of the power supply lines. The overcurrent detecting circuit also includes a plurality of voltage measurement units respectively electrically connected to the power voltage measurement lines. The voltage measurement units are configured to measure the power voltage at the different points through the power voltage measurement lines and generate a plurality of measurement voltages based at least in part on the measured power voltages. The overcurrent detecting circuit further includes a controller configured to detect presence of an overcurrent based at least in part on the measurement voltages.

主权项

1. An overcurrent detecting circuit of a display device supplying a power voltage to a display panel through a plurality of power supply lines, the overcurrent detecting circuit comprising:
a plurality of power voltage measurement lines electrically connected to different points of the power supply lines; a plurality of voltage measurement units respectively electrically connected to the power voltage measurement lines and configured to i) measure the power voltage at the different points through the power voltage measurement lines and ii) generate a plurality of measurement voltages based at least in part on the measured power voltages; and a controller configured to detect presence of an overcurrent based at least in part on the measurement voltages.