US Patent 10262595 Pixel circuit, control method thereof, and display panel

A pixel circuit is disclosed, including an electroluminescent element, first, second, third, fourth and fifth switching tubes, first and second capacitors. The first switching tube has first end connected to second end of fourth switching tube, second end connected to first end of electroluminescent element, first control end connected to second end of second switching tube; the second switching tube has first end inputting first timing signal, control end inputting second timing signal; the first capacitor has first end connected to first control end of first switching tube; the third switching tube has second end connected to second control end of first switching tube, control end inputting third timing signal; the second capacitor has first end connected to second control end of first switching tube, second end connected to first end of electroluminescent element; the fourth switching tube has control end inputting fourth timing signal.