The present invention is targeted at suppressing ringing and overvoltage. A driver circuit (200) drives a plurality of loads (Z.sub.1 to Z.sub.N). A plurality of output terminals (Po.sub.1 to Po.sub.N) are connected to the plurality of loads (Z.sub.1 to Z.sub.N). A plurality of drivers (Dr.sub.1 to Dr.sub.N) correspond to the plurality output terminals (Po.sub.1 to PO.sub.N), and generate driving signals (Vo.sub.#) applied to the respectively corresponding load (Z.sub.#). A plurality of clamp circuits (260_1 to 260_N) correspond to the plurality of drivers (Dr.sub.1 to Dr.sub.N), and include Schottky diodes (SD) connected to input nodes or output nodes of the respectively corresponding drivers (Dr).

The present application discloses a pixel driving circuit for a sub-pixel in light-emitting display. The pixel driving circuit includes a driving sub-circuit comprising N driving transistors connected in series. N is an integer greater than 1. The N driving transistors include a first driving transistor having a source electrode coupled to a first input voltage port and an N-th driving transistor having a drain electrode coupled to a light-emitting diode. Additionally, the pixel driving circuit includes a power-storage sub-circuit coupled to a gate electrode of the first driving transistor and the drain electrode of the N-th driving transistor. Furthermore, the pixel driving circuit includes a charge-input sub-circuit configured to use a first control signal from a first scan line to control a connection between the gate electrode of the first driving transistor and a data line supplying a data voltage.

The present specification discloses a light-emitting diode (LED) driving apparatus in which a voltage drop phenomenon due to a common impedance is mitigated. In the LED driving apparatus according to the present specification, a circuit is configured by combining N-type metal-oxide-semiconductor (NMOS) transistors or P-type MOS (PMOS) transistors such that a positive power source or a negative power source is not connected to a source terminal of a metal oxide semiconductor field-effect transistor (MOSFET). To this end, it is possible to eliminate common impedance effects on the positive power source or the negative power source.

A liquid crystal display device includes a liquid crystal display panel including a plurality of pixels, a voltage generator generating a gate on voltage and a gate off voltage, a gate driver generating a gate signal provided to the pixel using the gate on voltage and the gate off voltage, and providing the gate signal to the pixels, a data driver providing a data signal to the pixels, and a timing controller generating control signals that control the gate driver and the data driver. Each of the pixels includes a red sub-pixel, a green sub-pixel, and a blue sub-pixel. A voltage level of the gate off voltage provided to the red sub-pixel, a voltage level of the gate off voltage provided to the green sub-pixel, and a voltage level of the gate off voltage provided to the blue sub-pixel are different from one another.

A pixel circuit and a driving method thereof, a display panel and a display device. The pixel circuit includes a light emitting element, a driving circuit and a compensation voltage acquisition circuit. The driving circuit is configured to drive the light emitting element to emit light; and the compensation voltage acquisition circuit is configured to obtain a compensation voltage based on luminance of the light emitting element, and the compensation voltage can be provided to the driving circuit.

A pixel circuit and a driving method thereof, a display panel and a display device. The pixel circuit includes a light emitting element, a driving circuit and a compensation voltage acquisition circuit. The driving circuit is configured to drive the light emitting element to emit light; and the compensation voltage acquisition circuit is configured to obtain a compensation voltage based on luminance of the light emitting element, and the compensation voltage can be provided to the driving circuit.

The present specification discloses a light-emitting diode (LED) driving apparatus in which a voltage drop phenomenon due to a common impedance is mitigated. In the LED driving apparatus according to the present specification, a circuit is configured by combining N-type metal-oxide-semiconductor (NMOS) transistors or P-type MOS (PMOS) transistors such that a positive power source or a negative power source is not connected to a source terminal of a metal oxide semiconductor field-effect transistor (MOSFET). To this end, it is possible to eliminate common impedance effects on the positive power source or the negative power source

The present invention is targeted at suppressing ringing and overvoltage.

A driver circuit (200) drives a plurality of loads (Z.sub.1 to Z.sub.N). A plurality of output terminals (Po.sub.1 to Po.sub.N) are connected to the plurality of loads (Z.sub.1 to Z.sub.N). A plurality of drivers (Dr.sub.1 to Dr.sub.N) correspond to the plurality output terminals (Po.sub.1 to PO.sub.N), and generate driving signals (Vo.sub.#) applied to the respectively corresponding load (Z.sub.#). A plurality of clamp circuits (260_1 to 260_N) correspond to the plurality of drivers (Dr.sub.1 to Dr.sub.N), and include Schottky diodes (SD) connected to input nodes or output nodes of the respectively corresponding drivers (Dr).

A representative display system includes: a pixel array having a plurality of pixels, a plurality of select lines, and a plurality of data lines; a first of the plurality of pixels having a first metal-insulator-metal (MIM) diode, a second MIM diode, a first storage capacitor, and a first light emitting diode (LED), the first MIM diode and the second MIM diode being electrically coupled in series between a first of the plurality of select lines and a second of the plurality of select lines, the first storage capacitor and the first LED being electrically coupled, in parallel, between a first of the plurality of data lines and between the first MIM diode and the second MIM diode; wherein the first LED is selectively controllable to emit light in response to corresponding select signals simultaneously provided on the first of the plurality of select lines and the second of the plurality of select lines and in response to data signals on the data lines.

A representative display system includes: a pixel array having a plurality of pixels, a plurality of select lines, and a plurality of data lines; a first of the plurality of pixels having a first metal-insulator-metal (MIM) diode, a second MIM diode, a first storage capacitor, and a first light emitting diode (LED), the first MIM diode and the second MIM diode being electrically coupled in series between a first of the plurality of select lines and a second of the plurality of select lines, the first storage capacitor and the first LED being electrically coupled, in parallel, between a first of the plurality of data lines and between the first MIM diode and the second MIM diode; wherein the first LED is selectively controllable to emit light in response to corresponding select signals simultaneously provided on the first of the plurality of select lines and the second of the plurality of select lines and in response to data signals on the data lines.