Driving circuit of active-matrix organic light-emitting diode with hybrid transistors
A driving circuit includes a first transistor, a second transistor and a third transistor. The first transistor has a first terminal connected to a first voltage level, a second terminal, and a third terminal. The second transistor has a first terminal connected to the second terminal of the first transistor, a second terminal connected to a second voltage level, and a third terminal connected to the third terminal of the first transistor. The third transistor has a first terminal connected to the first terminal of the second transistor. The first transistor and the second transistor are low temperature poly-silicon transistors, and the third transistor is an oxide semiconductor transistor.
1. A driving circuit, comprising:
a first transistor having a first terminal connected to a first voltage level, a second terminal and a third terminal;
a second transistor having a first terminal connected to the second terminal of the first transistor, a second terminal connected to a second voltage level, and a third terminal connected to the third terminal of the first transistor; and
a third transistor having a first terminal connected to the first terminal of the second transistor,
wherein the first transistor and the second transistor are low temperature poly-silicon transistors, and the third transistor is an oxide semiconductor transistor;
wherein a voltage value of the first voltage level is greater than a voltage value of the second voltage level.
2. The driving circuit as claimed in claim 1 , wherein a first current flows from the second terminal of the first transistor to the first terminal of the third transistor.
3. The driving circuit as claimed in claim 1 , further comprising a fourth transistor having a first terminal connected to the first terminal of the second transistor.
4. The driving circuit as claimed in claim 3 , wherein the fourth transistor is an oxide semiconductor transistor.