Patent ID: 8233583
Filing Date: 2012-07-31
Classification: G09G,G11C

Abstract:
1. A shift register, comprising: a first unilateral conductive device, with signals being transmitted from a first terminal thereof to a second terminal thereof; a second unilateral conductive device, with signals being transmitted from a first terminal thereof to a second terminal thereof; a third unilateral conductive device, with signals being transmitted from a first terminal thereof to a second terminal thereof; a fourth unilateral conductive device, with signals being transmitted from a first terminal thereof to a second terminal thereof; a first switch, having a first terminal, a second terminal and a control terminal, wherein the first terminal of the first switch is coupled to the second terminal of the first unilateral conductive device, and the second terminal of the first switch receives a gate low-level voltage; a second switch, having a first terminal, a second terminal and a control terminal, wherein the first terminal of the second switch is coupled to the control terminal of the first switch and the second terminal of the second unilateral conductive device, the second terminal of the second switch receives the gate low-level voltage, and the control terminal of the second switch is coupled to the first terminal of the first unilateral conductive device; a third switch, having a first terminal, a second terminal and a control terminal, wherein the second terminal of the third switch receives the gate low-level voltage, and the control terminal of the third switch is coupled to the second terminal of the second unilateral conductive device; a fourth switch, having a first terminal, a second terminal and a control terminal, wherein the first terminal of the fourth switch is coupled to the first terminal of the third switch, the second terminal of the fourth switch receives the gate low-level voltage, and the control terminal of the fourth switch is coupled to the second terminal of the third unilateral conductive device; a fifth switch, having a first terminal, a second terminal and a control terminal, wherein the first terminal of the fifth switch is coupled to the second terminal of the fourth unilateral conductive device, the second terminal of the fifth switch receives the gate low-level voltage, and the control terminal of the fifth switch is coupled to the second terminal of the first unilateral conductive device; a sixth switch, having a first terminal, a second terminal and a control terminal, wherein the second terminal of the sixth switch receives the gate low-level voltage, and the control terminal of the sixth switch is coupled to the first terminal of the fifth switch; and a seventh switch, having a first terminal, a second terminal and a control terminal, wherein the control terminal of the seventh switch is coupled to the second terminal of the first unilateral conductive device, the first terminal of the seventh switch is coupled to the first terminal of the fourth unilateral conductive device, and the second terminal of the seventh switch is coupled to the first terminal of the sixth switch.