Driving circuit of active-matrix organic light-emitting diode with hybrid transistors
A driving circuit includes a first transistor having a first terminal, a second terminal and a control terminal; a second transistor having a first terminal connected to the second terminal of the first transistor and a second terminal connected to an organic light-emitting diode; a third transistor having a first terminal connected to the control terminal of the first transistor; a fourth transistor having a first terminal connected to the first terminal of the first transistor; and a fifth transistor having a first terminal connected to the second terminal of the second transistor. The first transistor, the second transistor and the fourth 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, a second terminal and a control terminal;
a second transistor having a first terminal connected to the second terminal of the first transistor and a second terminal connected to an organic light-emitting diode;
a third transistor having a first terminal connected to the control terminal of the first transistor;
a fourth transistor having a first terminal connected to the first terminal of the first transistor; and
a fifth transistor having a first terminal connected to the second terminal of the second transistor;
wherein the first transistor, the second transistor and the fourth transistor are low temperature poly-silicon transistors, and the third transistor is an oxide semiconductor transistor.
2. The driving circuit as claimed in claim 1 , wherein the fifth transistor is a low temperature poly-silicon transistor.
3. The driving circuit as claimed in claim 1 , wherein the fourth transistor has a second terminal connected to a high level voltage.
4. The driving circuit as claimed in claim 1 , wherein the fourth transistor, the first transistor and the second transistor are connected in series.
5. The driving circuit as claimed in claim 1 , comprising a sixth transistor having a first terminal connected to the first terminal of the first transistor.
6. The driving circuit as claimed in claim 5 , wherein the sixth transistor has a second terminal connected to a data line.
7. The driving circuit as claimed in claim 1 , comprising a seventh transistor having a first terminal connected to the first terminal of the third transistor.
8. The driving circuit as claimed in claim 7 , wherein the seventh transistor is an oxide semiconductor transistor.
9. A driving circuit, comprising:
a first transistor having a first terminal, a second terminal and a control terminal;
a second transistor having a first terminal;
a third transistor having a first terminal, wherein a first current flows from the first terminal of the third transistor to the control terminal of the first transistor; and
a fourth transistor having a first terminal, wherein a second current flows through the first terminal of the fourth transistor, the first terminal of the first transistor, the first terminal of the second transistor and an organic light-emitting diode;
wherein the first transistor, the second transistor and the fourth transistor are low temperature poly-silicon transistors, and the third transistor is an oxide semiconductor transistor.