Boe Technology Group Co., Ltd.

Hefei Xinsheng Optoelectronics Technology Co., Ltd.

Boe Technology Groupco., Ltd.

Boe Technology Group

Quanhu Li

Cuili Gai

Yongqian Li

Baoxia Zhang

Ling Wang

Pan Xu

Yicheng Lin

Song Meng

Yu Wang

Longyan Wang

Zhongyuan Wu

Kun Cao

Yue Wu

Fei Yang

Mingi Chu

Guang Yan

Jingwen Yin

Yi Cheng Lin

Yi-Cheng Lin

Gang Wang

Xuehuan Feng

Hongjun Xie

Chien Pang Huang

Wei Li

Xing Zhang

Yi Chen

Fang Liu

Danna Song

Lirong Wang

Jiangbo Chen

Jingang Fang

Chen Song

Zhongliu Yang

Dongfang Yang

Yongfu Diao

Jianye Zhang

Wenkang Wang

Mingjing Yang

The present disclosure provides a shift register unit, a driving method, a light emitting control gate driving circuit, and a display apparatus. The shift register unit includes: a light emitting control signal output terminal, a pull-up control node control circuit, N stages of inversion control circuits, a pull-up node control circuit, a pull-down node control circuit, and an output circuit, where N is an integer greater than 1. A first stage of inversion control circuit is configured to invert an input signal. An nstage of inversion control circuit inverts the input signal under control of an (n&#x2212;1)inversion node, where n is an integer and 2&#x2264;n&#x2264;N.

Shift register unit, driving method, light emitting control gate driving circuit, and display apparatus

The present disclosure provides a thin film transistor, a method of fabricating the same, an array substrate and a display device. The thin film transistor includes: source and drain electrodes in a same layer arranged on a base substrate; an active layer on the base substrate and in contact with the source and drain electrodes; a gate insulating layer at a side of the active layer away from the base substrate; a gate electrode at a side of the gate insulating layer away from the base substrate. Orthographic projections of the gate electrode, the source electrode and the drain electrode on the base substrate do not overlap with one another, and a region of the active layer not covered by the gate electrode, the source electrode and the drain electrode and at a side of the active layer away from the base substrate is subjected to conductorization.

Thin film transistor, method of fabricating the same, array substrate and display device

A pixel circuit includes a data writing sub-circuit inputs a signal input via a second signal terminal to a compensating sub-circuit and a driving sub-circuit under control of a signal from a first signal terminal, the compensating sub-circuit compensates a threshold voltage of the driving sub-circuit according to a signal output from the data writing sub-circuit under control of a signal from a third signal terminal, a light-emitting control sub-circuit inputs a signal from a first voltage terminal to the driving sub-circuit and the compensating sub-circuit under control of a signal from a fourth signal terminal, the driving sub-circuit configured to generate and input a driving current to a light-emitting sub-circuit according to a signal output from the light-emitting control sub-circuit and a signal output from the data writing sub-circuit, and the light-emitting sub-circuit configured to emit light according to the driving current under control of a second voltage terminal.

Pixel circuit and method of driving the same, and display device

A display panel, a display device and a compensation method are provided. The display panel includes at least one pixel unit group, at least one sensing line, a plurality of gate lines, a plurality of first data lines and a plurality of second data lines. Each pixel unit group includes a plurality of pixel units arranged in two rows and a plurality of columns, the plurality of pixel units in each pixel unit group are connected to a same one of the gate lines, one of two pixel units in each column of each pixel unit group is connected to one of the first data lines corresponding thereto, other one is connected to one of the second data lines corresponding thereto, the plurality of pixel units in each pixel unit group are connected to a same sensing line.

Display panel, display device and compensation method

A pixel circuit, a method for driving a pixel circuit, and a display device are provided. The pixel circuit includes: a storage circuit, a data writing circuit, a light emitting driving circuit, and a compensation circuit. The data writing circuit is configured to write a data voltage to the storage circuit under control of a scanning control signal; the storage circuit is configured to store the data voltage and enable a stored data voltage to be available to the compensation circuit for a compensation operation; the compensation circuit is configured to maintain a compensation voltage based on the stored data voltage at a control terminal of the light emitting driving circuit under control of a compensation control signal; and the light emitting driving circuit configured to drive the light emitting element to emit light under control of the compensation voltage.

Pixel circuit, method for driving pixel circuit, and display device

A display panel, a display device, and a compensating method are disclosed. The display panel includes: a plurality of sub-pixels arranged in rows and columns, a plurality of data lines connected to the plurality of sub-pixels, and a plurality of sensing driving lines connected to the plurality of sub-pixels, each of plurality of the sub-pixels includes a pixel circuit; the plurality of sub-pixels constitute a plurality of pixel units, the plurality of pixel units are arranged in a plurality of rows and a plurality of columns, and each of the plurality of pixel units includes four sub-pixels; pixel circuits of the four sub-pixels are connected to a same data line of the plurality of data lines; and the pixel circuits of the four sub-pixels are connected to four sensing driving lines of the plurality of sensing driving lines in a one-to-one correspondence manner.

Display panel, display device and compensating method

A pixel circuit includes a first transistor having a bottom gate and a top gate, a drain supplied with a high-level power-supply voltage, and a source coupled to a light-emitting diode (LED). The bottom gate is provided with a first voltage signal and the source is provided with a second voltage signal in a compensation period during which a present value of a threshold voltage of the first transistor is sensed at the source and a third voltage signal is determined based on the present value of the threshold voltage. The top gate is configured to be provided with the third voltage signal in an emission period to reduce the present value of the threshold voltage.

Pixel circuit, active matrix organic light emitting diode display panel, display apparatus, and method of compensating threshold voltage of driving transistor

A shift register unit and a method for driving the same, a gate driver including the same, a display panel and a display device. The shift register unit includes an input terminal, a first voltage terminal, a second voltage terminal, a first clock signal terminal, a second clock signal terminal, an adjustment terminal, an output terminal, a transfer terminal, an input circuit, a first control circuit, and an output circuit. The shift register unit avoids unstableness of the output signal caused by abnormal leakage of charges during the normal output by providing an adjustment signal, and separates the output signal from the transfer signal by means of the output terminal and the transfer terminal, which can reduce the sizes of transistors connected to the output terminal and the transfer terminal, thereby saving the layout area of the shift register unit and decreasing the power consumption thereof at the same time.

Shift register unit and driving method thereof, gate driver, display panel and display device

Embodiments of the present disclosure provide a driving method for a pixel circuit. The pixel circuit includes a light emitting device and a drive transistor. The method includes: compensating the drive transistor in a first compensation manner including an internal voltage compensation during an operation period of the light emitting device; and compensating the drive transistor in a second compensation manner including the internal voltage compensation and an external voltage compensation during a non-operation period of the light emitting device.

Compensating method for pixel circuit

The present application discloses a pixel-driving circuit in a display panel. The pixel-driving circuit includes a first transistor being provided with a fixed voltage, a driving transistor having a gate configured to receive the fixed voltage controlled by the first transistor and a drain coupled to a first power supply, a capacitor coupled between the gate and a source of the driving transistor, a light-emitting device coupled to the source and a second power supply, a second transistor having a drain coupled to the source of the driving transistor and a source coupled to a data line, a sensing sub-circuit coupled to the data line in a first period, and a driving sub-circuit coupled to the data line in a second period. The sensing sub-circuit and the driving sub-circuit are configured to connect to the data line in a time-divisional manner respectively for sensing and compensating the pixel-driving circuit.

Pixel-driving circuit and a compensation method thereof, a display panel, and a display apparatus

An electroluminescent display substrate and a manufacturing method thereof, a display panel and a display apparatus are disclosed. The electroluminescent display substrate includes: a base substrate including a display area and a peripheral area surrounding the display area, wherein at least one OLED device is in the display area; a pixel defining layer in the display area and the peripheral area; at least one groove in the pixel defining layer in the peripheral area; wherein the at least one OLED device has a first electrode, the first electrode is on a side of the pixel defining layer away from the base substrate and extends to cover the groove.

Electroluminescent display substrate and manufacturing method thereof, display panel and display apparatus

A Gamma-curve correction method for a display apparatus, and a display apparatus. The method includes: determining a standard Gamma curve according to the display apparatus; selecting a plurality of test gray scale values on the standard Gamma curve, and acquiring a plurality of target brightness values corresponding to the plurality of test gray scale values; adjusting an input gray scale value of the display apparatus to obtain a plurality of test-correction gray scale values, where the test-correction gray scale values are corresponding input gray scale values when display brightness of the display apparatus is equal to respective target brightness; generating an association relationship between input gray scale values and correction gray scale values, according to the plurality of test gray scale values and the plurality of test-correction gray scale values; and adjusting the input gray scale value to a corresponding correction gray scale value, according to the association relationship.

Gamma-curve correction method for display apparatus and display apparatus

The present disclosure is related to a display substrate. The display substrate may include a plurality of pixel units. Each of the plurality of the pixel units may include a first electrode and a second electrode on a base substrate. At least one of the pixel units further comprises an auxiliary electrode and a connecting structure between the auxiliary electrode and the first electrode. The connecting structure may be configured to electrically connect the auxiliary electrode to the first electrode.

Display substrate, display apparatus, and fabricating method thereof

A circuitry and a method for detecting a failed pixel, and a display device are provided. The circuitry for detecting the failed pixel includes a display control circuit and a failed pixel detection circuit. The display control circuit is connected to a pixel driving circuit, and configured to control, at detection voltage write-in stage and failed pixel detection stage, the pixel driving circuit to cause light-emitting element not to emit light. The failed pixel detection circuit is connected to first electrode of the light-emitting element via failure sense line, and configured to apply a reference voltage to the first electrode of the light-emitting element via the failure sense line at the detection voltage write-in stage, detect a potential at the first electrode of the light-emitting element at the failed pixel detection stage, and determine, in accordance with the potential, whether the pixel circuit is failed.

Circuitry and method for detecting failed pixel and display device

A 3D display driving method, a 3D display driving device and a display device are provided. The 3D display driving method includes, during each display period: within a display duration (2n&#x2212;1)for a left-eye image of a left-eye image frame, scanning a first gate line in an ngroup of gate lines, and within a part of the display duration (2n&#x2212;1)for the left-eye image, scanning a second gate line in the ngroup of gate lines; and within a display duration (2n)for a right-eye image of a right-eye image frame, scanning the second gate line in the ngroup of gate lines, n being a positive integer smaller than or equal to M, and M being an integer greater than 1.

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Beijing, China

Quanhu Li