Pixel circuit and driving method thereof, display device
First Claim
1. A pixel circuit, comprising:
- a data switching circuit configured to transmit a data voltage signal received from a data line in response to an on-signal from a control line;
a data storage circuit configured to store the data voltage signal received from the data switching circuit and output a first voltage and a second voltage according to the data voltage signal, wherein the first voltage is lower than the second voltage;
a first light emitting circuit disposed between a power supply voltage terminal and a ground terminal, and configured to emit light in a case where the first light emitting circuit is turned on by a voltage difference between the first voltage and a power supply voltage; and
a second light emitting circuit disposed between the power supply voltage terminal and the ground terminal and connected in parallel with the first light emitting circuit, and configured to emit light in a case where the second light emitting circuit is turned on by a voltage difference between the second voltage and the power supply voltage,wherein the data storage circuit comprises a first capacitor and a second capacitor, and wherein a first terminal of the first capacitor is electrically connected to the data switching circuit and the second light emitting circuit, a second terminal of the first capacitor is directly connected to a first terminal of the second capacitor, the first terminal of the second capacitor is directly connected to the first light emitting circuit, and a second terminal of the second capacitor is directly connected to the ground terminal; and
the first light emitting circuit and the second light emitting circuit together serve as a light emitting circuit of a pixel structure.
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Accused Products
Abstract
The present disclosure provides a pixel circuit and a driving method thereof, and a display device. The pixel circuit includes: a data switching circuit configured to transmit a data voltage signal received from a data line in response to an on-signal; a data storage circuit configured to store the data voltage signal and output a first voltage and a second voltage according to the data voltage signal, wherein the first voltage is lower than the second voltage; a first light emitting circuit configured to emit light when turned on by a voltage difference between the first voltage and a power supply voltage; and a second light emitting circuit configured to emit light when turned on by a voltage difference between the second voltage and the power supply voltage.
14 Citations
18 Claims
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1. A pixel circuit, comprising:
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a data switching circuit configured to transmit a data voltage signal received from a data line in response to an on-signal from a control line; a data storage circuit configured to store the data voltage signal received from the data switching circuit and output a first voltage and a second voltage according to the data voltage signal, wherein the first voltage is lower than the second voltage; a first light emitting circuit disposed between a power supply voltage terminal and a ground terminal, and configured to emit light in a case where the first light emitting circuit is turned on by a voltage difference between the first voltage and a power supply voltage; and a second light emitting circuit disposed between the power supply voltage terminal and the ground terminal and connected in parallel with the first light emitting circuit, and configured to emit light in a case where the second light emitting circuit is turned on by a voltage difference between the second voltage and the power supply voltage, wherein the data storage circuit comprises a first capacitor and a second capacitor, and wherein a first terminal of the first capacitor is electrically connected to the data switching circuit and the second light emitting circuit, a second terminal of the first capacitor is directly connected to a first terminal of the second capacitor, the first terminal of the second capacitor is directly connected to the first light emitting circuit, and a second terminal of the second capacitor is directly connected to the ground terminal; and
the first light emitting circuit and the second light emitting circuit together serve as a light emitting circuit of a pixel structure. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15)
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16. A driving method for a pixel circuit, the pixel circuit comprising a data switching circuit, a data storage circuit, a first light emitting circuit, and a second light emitting circuit, wherein the data storage circuit comprises a first capacitor and a second capacitor, and wherein a first terminal of the first capacitor is electrically connected to the data switching circuit and the second light emitting circuit, a second terminal of the first capacitor is directly connected to a first terminal of the second capacitor, the first terminal of the second capacitor is directly connected to the first light emitting circuit, and a second terminal of the second capacitor is directly connected to the ground terminal;
- and the first light emitting circuit and the second light emitting circuit together serve as a light emitting circuit of a pixel structure;
the driving method comprising; transmitting a data voltage signal to the data storage circuit by the data switching circuit; and storing the data voltage signal, outputting a first voltage to the first light emitting circuit and outputting a second voltage to the second light emitting circuit according to the data voltage signal by the data storage circuit, such that the first light emitting circuit emits light in a case where the first light emitting circuit is turned on by a voltage difference between the first voltage and a power supply voltage, and the second light emitting circuit emits light in a case where the second light emitting circuit is turned on by a voltage difference between the second voltage and the power supply voltage, wherein the first voltage is lower than the second voltage. - View Dependent Claims (17, 18)
- and the first light emitting circuit and the second light emitting circuit together serve as a light emitting circuit of a pixel structure;
Specification