PIXEL CIRCUIT OF ACTIVE-MATRIX LIGHT-EMITTING DIODE AND DISPLAY PANEL HAVING THE SAME
A display includes a pixel circuit. The pixel circuit includes a light emitting diode, a first transistor, a second transistor and a third transistor. The first transistor includes a first semiconductor layer. The first transistor has a first control terminal, a second terminal, and a third terminal electrically connected to the light emitting diode. The second transistor includes a second semiconductor layer, and is electrically connected to the third terminal. The third transistor is electrically connected to the first control terminal. A material of the first semiconductor layer is different from a material of the second semiconductor layer.
1 . A display comprising:
a pixel circuit, comprising:
a light emitting diode;
a first transistor comprising a first semiconductor layer, the first transistor having a first control terminal, a second terminal and a third terminal, wherein the third terminal is electrically connected to the light emitting diode;
a second transistor comprising a second semiconductor layer, the second transistor being electrically connected to the third terminal; and
a third transistor electrically connected to the first control terminal,
wherein a material of the first semiconductor layer is different from a material of the second semiconductor layer.
2 . The display of claim 1 , wherein the first semiconductor layer is an oxide semiconductor layer, and wherein the second semiconductor layer is a silicon semiconductor layer.
3 . The display of claim 2 , wherein the third transistor comprises a third semiconductor layer, and the third semiconductor layer is an oxide semiconductor layer.
4 . The display of claim 2 , wherein the third transistor comprises a third semiconductor layer, and the third semiconductor layer is a silicon semiconductor layer.
5 . The display of claim 1 , wherein the first semiconductor layer comprises a silicon semiconductor layer, and the second semiconductor layer comprises an oxide semiconductor layer.
6 . The display of claim 5 , wherein the third transistor comprises a third semiconductor layer, and the third semiconductor layer is an oxide semiconductor layer.
7 . The pixel circuit of claim 5 , wherein the third transistor comprises a third semiconductor layer, and the third semiconductor layer is a silicon semiconductor layer.
8 . The display of claim 1 , wherein the second transistor further comprises a first gate electrode overlapped with the second semiconductor layer and a second gate electrode overlapped with the second semiconductor layer.
9 . A display comprising:
a pixel circuit, comprising:
a light emitting diode;
a first transistor having a first control terminal, a second terminal and a third terminal, wherein the third terminal is electrically connected to the light emitting diode;
a second transistor comprising a second semiconductor layer, the second transistor being electrically connected to the third terminal; and
a third transistor comprising a third semiconductor layer, the third transistor being electrically connected to the first control terminal,
wherein a material of the second semiconductor layer is different from a material of the third semiconductor layer.
10 . The display of claim 9 , wherein the second semiconductor layer is a silicon semiconductor layer, and wherein the third semiconductor layer is an oxide semiconductor layer.
11 . The display of claim 10 , wherein the first transistor comprises a first semiconductor layer, and the first semiconductor layer is an oxide semiconductor layer.
12 . The display of claim 10 , wherein the first transistor comprises a first semiconductor layer, and the first semiconductor layer is a silicon semiconductor layer.
13 . The display of claim 9 , wherein the second semiconductor layer is an oxide semiconductor layer, and the third semiconductor layer is a silicon semiconductor layer.
14 . The display of claim 13 , wherein the first transistor comprises a first semiconductor layer, and the first semiconductor layer is an oxide semiconductor layer.
15 . The pixel circuit of claim 13 , wherein the first transistor comprises a first semiconductor layer, and the first semiconductor layer is a silicon semiconductor layer.
16 . The display of claim 9 , wherein the second transistor further comprises a first gate electrode overlapped with the second semiconductor layer and a second gate electrode overlapped with the second semiconductor layer.