CPC G09G 3/32 (2013.01) [G09G 3/3208 (2013.01); G09G 3/3233 (2013.01); G09G 2300/0426 (2013.01); G09G 2300/0842 (2013.01); G09G 2330/021 (2013.01)] | 18 Claims |
1. A light-emitting circuit, comprising:
a first transistor, having a first electrode electrically connected to a first power line, a gate, and a second electrode;
a second transistor, having a first electrode electrically connected to the second electrode of the first transistor, a gate, and a second electrode;
a light-emitting element, having a first terminal electrically connected to the second electrode of the second transistor, and a second terminal electrically connected to a second power line;
a first switching circuit, having a first terminal electrically connected to a charging terminal, and a second terminal electrically connected to the gate of the first transistor, the gate of the second transistor, and the second electrode of the second transistor;
a second switching circuit, having a first terminal and a second terminal;
a first capacitor, electrically connected between the second terminal of the first switching circuit and the first terminal of the second switching circuit;
a current source, electrically connected between the second terminal of the second switching circuit and a third power line; and
a third switching circuit, having a first terminal electrically connected to the first electrode of the first transistor, and a second terminal electrically connected to the second electrode of the first transistor;
wherein the first switching circuit, the second switching circuit, and the third switching circuit are synchronously turned on or synchronously turned off.
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