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AssigneeShenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
InventorLongqiang Shi
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Disclosed is a driving circuit, comprising first to fourth electrical switches, a driving electrical switch and capacitor. The control end and second end of the first switch are coupled to a driving scan line and second end of the driving switch. The control end, first end and second end of the driving switch are coupled to the capacitor, a second end of the second switch and a first end of the fourth switch. A control end of the second switch is coupled to the driving scan line. The control end of the third switch respectively is coupled to a first compensation scan line and receives a direct current voltage. The control end and second end of the fourth switch are coupled to a compensation scan line and an anode of an organic light emitting diode. The capacitor is coupled to a cathode of the organic light emitting diode and grounded.
A liquid crystal display device, comprising an organic light emitting diode and a driving circuit, for driving the organic light emitting diode to emit light, wherein the driving circuit comprises a first electrical switch, a second electrical switch, a third electrical switch, a fourth electrical switch, a driving electrical switch and a capacitor, wherein a control end of the first electrical switch is coupled to a driving scan line, a first end of the first electrical switch receives a data signal, a second end of the first electrical switch is coupled to a second end of the driving electrical switch, wherein a control end of the driving electrical switch is coupled to a first end of the capacitor and coupled to a first end of the second electrical switch, a first end of the driving electrical switch is coupled to a second end of the second electrical switch and coupled to a second end of the third electrical switch, the second end of the driving electrical switch is coupled to a second end of the fourth electrical switch, wherein a control end of the second electrical switch is coupled to the driving scan line, wherein a control end of the third electrical switch is coupled to a compensation scan line, a first end of the third electrical switch receives a direct current voltage, wherein a control end of the fourth electrical switch is coupled to the compensation scan line, a second end of the fourth electrical switch is coupled to an anode of the organic light emitting diode, wherein a second end of the capacitor is coupled to a cathode of the organic light emitting diode and grounded, wherein as the driving scan line outputs a high voltage level, the compensation scan line outputs a low voltage level, wherein the driving scan line is a nth stage driving scan line, the compensation scan line and the driving scan line are scan lines of the same stage, wherein the driving circuit further comprises a n-1th stage driving scan line and a fifth electrical switch, a control end of the fifth electrical switch is coupled to the n-1th stage driving scan line, a first end of the fifth electrical switch is coupled to the direct current voltage, a second end of the fifth electrical switch is coupled to the control end of the driving electrical switch, wherein as the n-1th stage driving scan line outputs a high voltage level, the compensation scan line outputs a low voltage level.
A driving circuit, applied in a liquid crystal display device for driving an organic light emitting diode to emit light, wherein the driving circuit comprises a first electrical switch, a second electrical switch, a third electrical switch, a fourth electrical switch, a driving electrical switch and a capacitor, wherein a control end of the first electrical switch is coupled to a driving scan line, a first end of the first electrical switch receives a data signal, a second end of the first electrical switch is coupled to a second end of the driving electrical switch, wherein a control end of the driving electrical switch is coupled to a first end of the capacitor and coupled to a first end of the second electrical switch, a first end of the driving electrical switch is coupled to a second end of the second electrical switch and coupled to a second end of the third electrical switch, the second end of the driving electrical switch is coupled to a second end of the fourth electrical switch, wherein a control end of the second electrical switch is coupled to the driving scan line, wherein a control end of the third electrical switch is coupled to a compensation scan line, a first end of the third electrical switch receives a direct current voltage, wherein a control end of the fourth electrical switch is coupled to the compensation scan line, a second end of the fourth electrical switch is coupled to an anode of the organic light emitting diode, wherein a second end of the capacitor is coupled to a cathode of the organic light emitting diode and grounded, wherein a second end of the capacitor is coupled to a cathode of the organic light emitting diode and grounded, wherein as the driving scan line outputs a high voltage level, the compensation scan line outputs a low voltage level, wherein the driving scan line is a nth stage driving scan line, the compensation scan line and the driving scan line are scan lines of the same stage, wherein the driving circuit further comprises a n-1th stage driving scan line and a fifth electrical switch, a control end of the fifth electrical switch is coupled to the n-1th stage driving scan line, a first end of the fifth electrical switch is coupled to the direct current voltage, a second end of the fifth electrical switch is coupled to the control end of the driving electrical switch, wherein as the n-1th stage driving scan line outputs a high voltage level, the compensation scan line outputs a low voltage level.
Dependencies are inferred from the claim text.