Abstract: The present disclosure provides a pixel circuit, its driving method, an array substrate and a display device. The pixel circuit includes a plurality of pixels, each of which includes a blue sub-pixel and a driving module for driving the blue sub-pixel. The blue sub-pixel includes N blue OLEDs, and N is a positive integer greater than 1. The driving module is configured to drive the N blue OLEDs in a time division manner. According to the present disclosure, the blue sub-pixel is segmented into several portions, and merely a portion of the blue sub-pixel is displayed each time. As a result, it is able to prolong the service time of the blue sub-pixel, thereby to increase the service life of an AMOLED panel.

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: 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: Disclosed are a pixel circuit, a driving method thereof and a pixel array structure. The pixel circuit comprises a load controlling module(101), a load module(102), a gray scale selection module(103), a driving module(104) and a light-emitting device(105). The load controlling module(101) outputs an analog data signal through a first node and a second node under the control of a first scan signal (scan1). The load module(102) is connected with a first power supply terminal(VSS), the driving module(104), the first node(A1) and the second node(A2), respectively, and stores the analog data signal in the load module(102) and provides the driving module(104) with the analog data signal under the control of signals from the first node and the second node. The gray scale selection module(103) transmits a digital data signal to a third node(A3) located in the gray scale selection module(103) under the control of a second scan signal (scan2).

Abstract: The present invention relates to the field of display technology, and provides a pixel circuit, a driving method thereof, and a display device, so as to compensate for the TFT threshold voltage drift, thereby to improve the brightness non-uniformity of the display device and prolong the service life thereof. The pixel circuit comprises a first transistor, a second transistor, a third transistor, a fourth transistor, a fifth transistor, a first storage capacitor, a second storage capacitor, and a light-emitting element. The present invention is adapted to manufacture a display panel.

Abstract: Provided is an electro-static discharge protection circuit, an array substrate and a display apparatus, being capable of reducing power consumption while improving reliability of the display apparatus.

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

Abstract: The invention discloses an ESD protection circuit and a method for driving the same and a display panel. The ESD protection circuit in the present invention comprises: a first TFT with a drain connected to a data signal line, a source and a gate connected together as a node; a second TFT with a drain connected to a first power supply line, a source connected to the data signal line, and a gate connected to the node; a third TFT with a drain connected to the data signal line, a source connected to a second power supply line, and a gate connected to a third power supply line; a forth TFT with a drain connected to the node, a source and a gate connected to the second power supply line; and a bootstrap capacitor connected between the node and the data signal line.

Abstract: A shift register, comprising a plurality of shift register sub-units connected in cascade, each of the plurality of shift register sub-units comprising first to third TFTs, an eleventh TFT, a first capacitor and a first reset control module for controlling the second TFT to be turned on or off. Besides the shift register sub-unit at a first stage, for each of the shift register sub-units at other stages, the second TFT gate control terminal thereof is connected to the third TFT gate control terminal of the shift register sub-unit at a previous stage. Accordingly, a gate driving circuit comprising the shift register and a display comprising the gate driving circuit are provided. Compared with the prior art, reliability of the shift register is highly improved and area occupied by the shift register is smaller.

Abstract: The present invention relates to the field of display technology, and provides a pixel circuit, a driving method thereof, and a display device, so as to compensate for the TFT threshold voltage drift, thereby to improve the brightness non-uniformity of the display device and prolong the service life thereof. The pixel circuit comprises a first transistor, a second transistor, a third transistor, a fourth transistor, a fifth transistor, a first storage capacitor, a second storage capacitor, and a light-emitting element. The present invention is adapted to manufacture a display panel.

Abstract: A sensing circuit for external compensation, a sensing method thereof and a display apparatus, the sensing circuit for external compensation comprises a differential amplifier (9), a first capacitor (4), a second capacitor (8) and an output voltage controlling circuit (10) for the first capacitor; a negative input terminal of the differential amplifier (9) is connected with a display panel (1), a positive input terminal thereof is connected with a reference voltage, and an output terminal thereof is connected with an output terminal of the output voltage controlling circuit (10) for the first capacitor; the output voltage controlling circuit (10) for the first capacitor is used for enabling an output voltage of the first capacitor (4) in a subsequent current integral stage to vary based on the reference voltage.

Abstract: The present disclosure discloses a pixel unit circuit and an OLED display apparatus. The pixel unit circuit comprises a first sub-circuit module, a second sub-circuit module, a first capacitor and OLED. An input of the first sub-circuit module is connected to a data line; another input of the first sub-circuit module is connected to an output of the second sub-circuit module and a first terminal of the OLED; an output of the first sub-circuit module is connected to an input/output of the second sub-circuit module via the first capacitor; a voltage difference between positive power supply and negative power supply of a backboard is applied between an input of the second sub-circuit module and a second terminal of the OLED. The pixel unit circuit can compensate the aging of OLED devices, the non-uniformity of threshold voltage of TFT driving transistors, and IR Drop of the power supply of the backboard.

Abstract: Disclosed are a pixel circuit, a driving method thereof and a pixel array structure. The pixel circuit comprises a load controlling module(101), a load module(102), a gray scale selection module(103), a driving module(104) and a light-emitting device(105). The load controlling module(101) outputs an analog data signal through a first node and a second node under the control of a first scan signal (scan1). The load module(102) is connected with a first power supply terminal(VSS), the driving module(104), the first node(A1) and the second node(A2), respectively, and stores the analog data signal in the load module(102) and provides the driving module(104) with the analog data signal under the control of signals from the first node and the second node. The gray scale selection module(103) transmits a digital data signal to a third node(A3) located in the gray scale selection module(103) under the control of a second scan signal (scan2).

Abstract: The present invention discloses a shift register and a row-scan driving circuit including the same, the shift register comprising a first thin film transistor, a second thin film transistor used as an evaluating transistor, a third thin film transistor, a fourth thin film transistor used as a resetting transistor, a first capacitor and a reset voltage controlling unit, wherein the reset voltage controlling unit is used to control the gate voltage of the fourth thin film transistor, so that the gate voltage of the fourth thin film transistor is pulled down to a low level corresponding to a voltage input from a low voltage signal input when a signal input from a first clock signal input is at low level, a signal input from a second clock signal input is at high level and a signal input from a signal input is at high level.

Abstract: A shift register unit, gate drive circuit, and display apparatus. The shift register unit comprises: input module for inputting first and second clock signals, frame start signal, high and low voltage signals, the first clock signal is identical with phase-inverted signal of the second clock signal within one frame; a processing module comprising multiple TFTs, for generating gate drive signal according to the first and second clock signals and frame start signal, controlling voltage of first node formed by TFTs lower than the low level of power supply signal during evaluation period of shift register unit, and resetting second node formed by TFTs to cut off transient DC path formed by input terminals of the high and low voltage signals, and at least one TFT in time; an output module for sending gate drive signal generated by the processing module.

Abstract: Provided is an electro-static discharge protection circuit, an array substrate and a display apparatus, being capable of reducing power consumption while improving reliability of the display apparatus.

Abstract: The embodiments of the invention disclose a pixel circuit, a display device and a driving method thereof. The pixel circuit comprises a light-emitting element; a driving TFT, its drain is input a power supply voltage signal; a first TFT, its drain is connected with a source of the driving TFT, its source is connected with the light-emitting element, its gate receives a first control signal; a second TFT, its source receives a data signal, its drain is connected with a gate of the driving TFT, its gate receives a scanning signal; a third TFT, its source receives a reference voltage signal, its gate receives the scanning signal; a fourth TFT, its source is connected with a drain of the third TFT, its drain is connected with the gate of the driving TFT and the drain of the second TFT, its gate receives a second control signal; and a capacitor.

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 invention discloses an ESD protection circuit and a method for driving the same and a display panel. The ESD protection circuit in the present invention comprises: a first TFT with a drain connected to a data signal line, a source and a gate connected together as a node; a second TFT with a drain connected to a first power supply line, a source connected to the data signal line, and a gate connected to the node; a third TFT with a drain connected to the data signal line, a source connected to a second power supply line, and a gate connected to a third power supply line; a forth TFT with a drain connected to the node, a source and a gate connected to the second power supply line; and a bootstrap capacitor connected between the node and the data signal line.

Abstract: A shift register, comprising a plurality of shift register sub-units connected in cascade, each of the plurality of shift register sub-units comprising first to third TFTs, an eleventh TFT, a first capacitor and a first reset control module for controlling the second TFT to be turned on or off. Besides the shift register sub-unit at a first stage, for each of the shift register sub-units at other stages, the second TFT gate control terminal thereof is connected to the third TFT gate control terminal of the shift register sub-unit at a previous stage. Accordingly, a gate driving circuit comprising the shift register and a display comprising the gate driving circuit are provided. Compared with the prior art, reliability of the shift register is highly improved and area occupied by the shift register is smaller.