Abstract: An embodiment of the present disclosure provides an actively driven organic light-emitting display apparatus to eliminate a defect in which the current flowing through the lighting device in the actively driven organic light-emitting display apparatus is affected by the instable current caused by the instable threshold voltage of the drive transistor, so that the current flowing through the lighting device is accurate and make the brightness of the whole actively driven organic light-emitting display apparatus be even. The display apparatus comprises a light emitting device, a light emitting device drive unit, a first switch unit, a second switch unit, a current control unit and a resistor which constitute a feedback loop. An input terminal of the current control unit is input a data signal to control that the current of the light emitting device is only associated with the resistor, voltage of the input data signal and the supply voltage.

Abstract: There are provided a pixel structure, a display panel and a display apparatus. The pixel structure comprises a pixel circuit (11), a switch circuit (12) and n organic light-emitting diodes (13) sharing the pixel circuit (11), where n is greater than or equal to 2. Respective organic light-emitting diodes (13) sharing the pixel circuit (11) are located in a same column of the display panel, and emit lights of a same color when emitting light. The switch circuit (12) is configured to control any two organic light-emitting diodes (13) sharing the pixel circuit (11) to emit light at different periods of time. The pixel circuit (11) is configured to drive of the respective organic light-emitting diodes sharing the pixel circuit (11) to emit light according to a received data signal. The pixel structure is used to solve the problem of the complexity of the back board.

Abstract: The present invention provides a pixel circuit, a display substrate and a display panel. The pixel circuit comprises a power supply terminal; a control thin film transistor; a drive thin film transistor; a storage capacitor; a light-emitting device, the pixel circuit further comprises a voltage division control module and a voltage division capacitor, the voltage division control module is used for charging the storage capacitor in the pre-charging phase of the pixel circuit, so that voltage of the gate of the drive thin film transistor becomes a reference voltage, and the voltage division control module is capable of outputting a low level to the second end of the storage capacitor in the compensation phase of the pixel circuit. A first end of the voltage division capacitor is connected to the first end of the storage capacitor, a second end thereof is connected to the cathode of the light-emitting device.

Abstract: An AMOLED pixel circuit and driving method are disclosed. The AMOLED pixel circuit comprises a first transistor (T1), a second transistor (T2), a third transistor (T3), a fourth transistor (T4), a fifth transistor (T5), a sixth transistor (T6), a seventh transistor (T7), an eighth transistor (T8), a first capacitor (C1), a second capacitor (C2), a current source and a light-emitting device (OLED). The AMOLED pixel circuit can perform a rapid charging in a low gray scale state; different currents may be provided according to information on a high or low gray scale, and thus the AMOLED pixel circuit may be applied widely; an output current during a light-emitting period is a normal operational current of the light-emitting device; therefore not only a charging process is expedited, but also a normal operation of the light-emitting device is ensured.

Abstract: A pixel driving current extracting apparatus and a pixel driving current extracting method, the pixel driving current extracting apparatus comprises driving current extracting circuits corresponding to pixel driving circuits for respective colors respectively. Each of the driving current extracting circuits comprises a driving current amplifying and converting unit connected to the pixel driving circuit, for amplifying and converting a driving current of the pixel driving circuit into a voltage signal. A driving current computing unit connected to the driving current amplifying and converting unit is used for computing a pixel driving current according to the voltage signal. An amplification ratio of the driving current amplifying and converting unit in the driving current extracting circuits corresponding to the pixel driving circuits for respective colors is inversely proportional to a magnitude of the pixel driving current for respective colors.

Abstract: An AMOLED pixel circuit and driving method are disclosed. The AMOLED pixel circuit comprises a first transistor(T1), a second transistor(T2), a third transistor(T3), a fourth transistor(T4), a fifth transistor(T5), a sixth transistor(T6), a seventh transistor(T7), an eighth transistor(T8), a first capacitor(C1), a second capacitor(C2), a current source and a light-emitting device(OLED). The AMOLED pixel circuit can perform a rapid charging in a low gray scale state; different currents may be provided according to information on a high or low gray scale, and thus the AMOLED pixel circuit may be applied widely; an output current during a light-emitting period is a normal operational current of the light-emitting device; therefore not only a charging process is expedited, but also a normal operation of the light-emitting device is ensured.

Abstract: There are provided a pixel circuit and a driving method thereof, and a display apparatus. The pixel circuit comprises: a first transistor (T1), a second transistor (T2), a third transistor (T3), a storage capacitor (C1) and a light emitting device (L).

Abstract: A pixel unit circuit, a compensating method thereof and a display device. The pixel unit circuit includes a driving transistor, a first transistor, a second transistor, a third transistor, a fourth transistor, a storage capacitor and a light-emitting device (OLED). The pixel unit circuit, the compensating method thereof and the display device may compensate the light emitting device by combining an internal compensation and an external compensation, and have advantages of both the internal compensation and the external compensation. The Mura phenomenon caused by non-uniformity in threshold voltages or drifts of threshold voltages in the N-type depletion or enhanced driving transistor TFT may be eliminated effectively by the internal compensation, which may enhance a display effect.

Abstract: The present disclosure relates to the OLED display technology. There are provided a pixel circuit, a driving circuit, an array substrate and a display device, which are supplied with the voltage by the light emitting operation voltage when the pixel circuit enters the light emitting stage, by inputting an inverse signal synchronized with the pre-charging control voltage at the input terminal of the light emitting operation voltage to ensure a stable output of the current by the circuit at the light emitting stage. Also, it does not require an arrangement of an external voltage input terminal which will affect the aperture ratio, thereby increasing the aperture ratio of the OLED employing the current-driven pixel circuit while ensuring the stable output of the current by the current-driven circuit, and thus increasing the lifetime of the OLED employing the current-driven pixel circuit.

Abstract: The NAND gate circuit includes at least two input transistors, at least two pull-up modules and at least two input control transistors. A first electrode of each input transistor is connected to a second level output end via the pull-up module. The input control transistor is configured to enable a potential of the control end of the pull-up module connected to the first electrode of the input transistor to be the first level when the input signal connected to the gate electrode of the input control transistor is at a second level. The at least two pull-up modules are configured to cut off the connection between the second level output end and the NAND gate output end when all the input signals are at the second level, and enable the connection therebetween when none of the input signals is at the second level.

Abstract: A ramp signal generating circuit and ramp signal generator, an array substrate and a display apparatus.

Abstract: The gate driver circuit is connected to a row of pixel units, each pixel unit includes a pixel driving module and a light-emitting device connected to each other, the pixel driving module including a driving transistor, a driving module and a compensating module, the compensating module being connected to a gate scanning signal, and the driving module being connected to a driving control signal and a driving voltage. The gate driver circuit includes a row pixel controlling unit configured to provide the gate scanning signal to the compensating module and provide the driving voltage to the driving module, so as to control the compensating module to compensate for a threshold voltage of the driving transistor; and a driving control unit configured to provide the driving control signal to the driving module so as to control the driving module to drive the light-emitting device.

Abstract: The gate driver circuit is connected to a row of pixel unit, each includes a pixel driving module and a light-emitting device connected to each other, the pixel driving module including a driving transistor, a driving module and a compensating module, the compensating module is connected to a first row scanning signal, and the driving module is connected to a second row scanning signal and a driving voltage. The gate driver circuit further includes a row pixel controlling unit configured to provide the first row scanning signal to the compensating module and provide the second row scanning signal and the driving voltage to the driving module, so as to control the compensating module to compensate for a threshold voltage of the driving transistor and control the driving module to drive the light-emitting device.

Abstract: Provided are a shift register unit and a gate driver circuit, which are configured to suppress output errors caused by the drifts in the threshold voltages and the interval existed in the operation of pulling the output terminal, and thus to enhance stability of the shift register unit. The shift register unit comprises: an input module, a first output module, a pull-down driving module, a pull-down module and a first output discharging unit.

Abstract: The NAND gate circuit includes at least two input transistors, at least two pull-up modules and at least two input control transistors. A first electrode of each input transistor is connected to a second level output end via the pull-up module. The input control transistor is configured to enable a potential of the control end of the pull-up module connected to the first electrode of the input transistor to be the first level when the input signal connected to the gate electrode of the input control transistor is at a second level. The at least two pull-up modules are configured to cut off the connection between the second level output end and the NAND gate output end when all the input signals are at the second level, and enable the connection therebetween when none of the input signals is at the second level.

Abstract: An electrostatic discharge (ESD) protection circuit and a display device comprising the protection circuit are provided. The protection circuit comprises a first depletion mode thin-film transistor, a second depletion mode thin-film transistor, a third depletion mode thin-film transistor, and a voltage dividing unit. This, when in normal operation, effectively prevents a signal line from releasing a large amounts of current, ensures that an internal array of the display device operates normally, and when an ESD occurs, allows for rapid discharge of an electrostatic charge accumulated on the signal line and ensures that the internal array of the display device is free from the electrostatic damage.

Abstract: The gate driving circuit according to the present disclosure may be connected to a row pixel unit which includes a row pixel driving module and a light emitting element connected to each other, the row pixel driving module including a driving transistor, a driving module and a compensation module, the compensation module being connected with a gate scanning signal and the driving module being connected with a driving level. The gate driving circuit may further include a row pixel control unit, which is configured to provide the gate scanning signal to the compensation module and provide the driving level to the driving module, so as to control the compensation module to compensate for a threshold voltage of the driving transistor and control the driving module to drive the light emitting element.

Abstract: A ramp signal generating circuit and ramp signal generator, an array substrate and a display apparatus.

Abstract: A pixel circuit array is disclosed and includes pixel unit circuits, and each of the pixel unit circuit includes a precharge circuit, a compensation circuit, a holding circuit, a driving circuit, a light emitting circuit, a first power supply terminal, a second power supply terminal, a third power supply terminal, a scanning control terminal, a first control terminal and a second control terminal. With the pixel unit circuit, as long as the inputted direct-current reference voltage and the data voltage signal are not varied, the current delivered to the OLED remains constant, thus the uniformity of the OLED can be compensated for.

Abstract: A pixel unit circuit, a compensating method thereof and a display device. The pixel unit circuit includes a driving transistor, a first transistor, a second transistor, a third transistor, a fourth transistor, a storage capacitor and a light-emitting device (OLED). The pixel unit circuit, the compensating method thereof and the display device may compensate the light emitting device by combining an internal compensation and an external compensation, and have advantages of both the internal compensation and the external compensation. The Mura phenomenon caused by non-uniformity in threshold voltages or drifts of threshold voltages in the N-type depletion or enhanced driving transistor TFT may be eliminated effectively by the internal compensation, which may enhance a display effect.