Chongqing Boe Optoelectronics Technology Co., Ltd.

Boe Technology Group Co., Ltd.

Beijing Boe Technology Development Co., Ltd.

Xuebo Liang

Xiuzhu Tang

Shuai Chen

Zhi Zhang

Zhenguo Tian

Xing Dong

Lijun Xiong

Shuang Hu

Taoliang Tang

Jingpeng Zhao

Qian Qian

Qian Wang

Jianfeng Yuan

Qiyuan Wei

Qi Cheng Li

Hailong Wu

Cuilian Li

Hui Li

Zhi Hu Wang

Huan Wang

Hong Yu Chen

Ni Yang

Jian Yang

Ying Huang

Tae Yup Min

Qi Li

Yunze Li

Zhijian Qi

Ting Yang

Yanan Zhao

Chuan Li

Hengyi Xu

Panpan Li

Yanfei Ren

Weixing Shan

Meiling Tan

Jinjin Chen

The present disclosure provides a shift register, a drive method thereof, and a gate drive circuit. The shift register includes an input circuit, a reset circuit, a first output circuit, and a second output circuit. The input circuit is configured to provide an input signal from an input terminal to a first node. The reset circuit is configured to provide a first voltage from a first voltage terminal to the first node under the control of a reset signal from a reset signal terminal. The first output circuit is configured to output from a first output terminal one of a first clock signal and a second clock signal as a first scan signal. The second output circuit is configured to output from a second output terminal the other of the first clock signal and the second clock signal as a second scan signal.

Shift register and drive method thereof, and gate drive circuit

A pixel circuit, a display substrate, a display device and a driving method are provided. The pixel circuit includes a data writing sub-circuit and a driving sub-circuit, and the data writing sub-circuit is connected to a scan signal terminal, a control signal terminal, a data signal terminal and a drive sub circuit. The data writing sub-circuit is used to output a data signal from the data signal terminal to the control node in response to a control signal provided by the control signal terminal and a scan signal provided by the scan signal terminal. The driving sub-circuit is connected to the control node, a power signal terminal and a light-emitting element, respectively, and is used to drive the light-emitting element to emit light in response to a potential of the control node and a power signal provided by the power signal terminal.

Pixel circuit, display panel, display device and driving method

A signal adjusting device and method, and a test equipment. The signal adjusting device includes: a level controller, a level circuit, a comparison circuit and a selecting circuit. The level circuit is electrically connected with the selecting circuit; the level controller is configured to perform a level adjustment to a first signal, so as to generate a level signal, and the generated level signal is outputted by the level circuit; the comparison circuit is configured to: determine that the level signal meets a preset condition, and generate and output a corresponding feedback signal to the selecting circuit, in response to determining that the level signal satisfies the preset condition; and the selecting circuit is configured to output, as an adjusted signal, the level signal corresponding to the feedback signal.

Signal adjusting device, signal adjusting method, and test equipment

A gate drive circuit, a touch display device and a driving method are provided. The gate drive circuit includes a plurality of cascaded shift register units and a voltage stabilization circuit. Each of the plurality of cascaded shift register units includes a touch scanning control terminal; and the voltage stabilization circuit is connected to a first shift register unit and at least one second shift register unit after the first shift register unit, of the plurality of cascaded shift register units, and configured to compensate a level of a first node of the group of second shift register units in response to the touch scanning control signal.

Gate drive circuit, touch display device and driving method

The present application discloses a voltage-supply circuit including a voltage-supply sub-circuit coupled to a plurality of common-electrode blocks respectively via a plurality of signal lines in a display panel and configured to provide an initializing common-electrode voltage to each common-electrode block via a respective one signal line during an initialization period of a display time. The voltage-supply circuit further includes a voltage-feedback sub-circuit configured to collect a feedback voltage from the respective one signal line during the initialization period. Additionally, the voltage-supply circuit includes a voltage-comparison sub-circuit configured to compare the feedback voltage and a standard common-electrode voltage and to cause a generation of a trigger signal when a difference between the feedback voltage and the standard common-electrode voltage changes polarity. The trigger signal drives the voltage-supply sub-circuit in a normal output period to supply the standard common-electrode voltage via the respective one signal line to one corresponding common-electrode block.

Voltage-supply circuit, method, and touch-control display apparatus

The present application discloses a shift-register circuit configured as one of a plurality of shift-register units cascaded in series. The shift-register circuit includes a pull-up sub-circuit coupled to a pull-up node, a first clock port, and an output port. The pull-up sub-circuit is configured to pass a first clock signal from the first clock port to the output port when the pull-up node is set to a turn-on voltage. Additionally, the shift-register circuit includes a chamfering sub-circuit coupled to the pull-up node, the first clock port, a chamfering clock port, and the output port. The chamfering sub-circuit is configured to pass a chamfering clock signal from the chamfering clock port to the output port. The chamfering clock signal is at the turn-on voltage simultaneously with the first clock signal and becomes a turn-off voltage slightly earlier in time than the first clock signal.

Shift-register circuit, gate-driving circuit, and array substrate of a display panel

The present disclosure provides a gate drive circuit, an array substrate, and a display device. The gate drive circuit includes cascaded shift registers, control circuits, level shifters, voltage stabilization circuits, and first exchanging circuits. The shift registers at respective stages output respective first signals. Each control circuit is configured to process the respective first signal to generate a respective second signal. Each level shifter is configured to convert the voltage level of the respective second signal to generate a respective third signal. Each voltage stabilization circuit is configured to stabilize the respective third signal. The stabilized third signal is outputted as a fourth signal. The first exchanging circuit is configured to enable any of the following: exchanging the first signals at two adjacent stages, exchanging the second signals at two adjacent stages, exchanging the third signals at two adjacent stages, and exchanging the fourth signals at two adjacent stages.

Dual gate line drive circuit, array substrate, and display device

A shift register unit, a gate drive circuit, a display device and a driving method are disclosed. A shift register unit includes an input circuit, a first node reset circuit, an output circuit and a touch noise reduction circuit. The input circuit is configured to control a level of a first node in response to an input signal; the first node reset circuit is configured to reset the first node in response to a reset signal; the output circuit is configured to output a driving signal to an output terminal under control of the level of the first node; and the touch noise reduction circuit is configured to reset the first node in response to a touch start signal.

Shift register unit, gate drive circuit, display device and driving method

The present application discloses a shift register unit and a method for driving the same, a gate driving circuit, an array substrate, and a display apparatus. The shift register unit includes an input sub-circuit; a first output sub-circuit configured to output a first output signal to an output signal terminal, so that the output signal terminal outputs a gate driving signal having a first valid level; and a second output sub-circuit configured to output a second output signal to the output signal terminal, so that the output signal terminal outputs a gate driving signal having a second valid level, wherein an absolute value of the second valid signal is greater than an absolute value of the first valid level.

Shift register unit and method for driving the same, gate driving circuit, array substrate and display apparatus

A power circuit of a display panel and a display panel. The power circuit comprises a sensing circuit and a voltage output circuit. The sensing circuit is configured to provide a sensing signal indicative of a type of an image to be displayed by the display panel. The voltage output circuit is electrically connected to common electrodes of the display panel and configured to receive the sensing signal and change potentials of some of the common electrodes in response to a change in the sensing signal.

Power circuit for display panel, display panel and driving method thereof

A touch display module, a controlling method, a panel and a display device are provided in embodiments of the disclosure, all belong to the technical field of display technology, the touch display module including: a touch circuit, an auxiliary circuit, a base substrate, a plurality of electrode blocks and a plurality of electrode lines; the touch circuit is configured to provide the plurality of electrode lines with respective display signals at a display stage, and to provide the plurality of electrode lines with respective touch signals at a touch stage; and the auxiliary circuit is configured to provide the plurality of electrode lines with respective display signals at the display stage, and to stop providing the plurality of electrode lines with the respective display signals at the touch stage.

Touch display module, controlling method, panel and display device

The present disclosure provides a pixel structure, a display panel and a fabrication method thereof, and a display device. The pixel structure includes a substrate and an inorganic photoluminescent layer formed on the substrate. The pixel structure incudes an excitation layer disposed on a side of the inorganic photoluminescent layer away from the substrate and configured to excite the inorganic photoluminescent layer to emit light. The pixel structure includes an organic light-emitting layer in the same layer as the excitation layer. A space is disposed between the organic light-emitting layer and the excitation layer. An orthographic projection of the excitation layer on the substrate overlaps at least partially an orthographic projection of the inorganic photoluminescent layer on the substrate.

Pixel structure, display panel and fabricating method thereof, and display device

A display driving circuit includes a control sub-circuit and a gate drive sub-circuit connected to the control sub-circuit. The control sub-circuit is configured to: receive an effective display data enable signal; determine whether the effective display data enable signal is lost; and control each stage of shift register in the gate drive sub-circuit to output a disabling signal via an output terminal of the shift register in response to determining that the effective display data enable signal is lost.

Display driving circuit and driving method therefor, display device

The present disclosure provides a pixel driving circuit and method thereof, a display driving circuit and method thereof, and a display panel. The pixel driving circuit includes: a first pixel driving sub-circuit configured to provide a driving signal to a driving signal output terminal in a first period and perform threshold voltage compensation on a second pixel driving sub-circuit in a second period under control of signals at a first scanning signal terminal, a first control signal terminal, and a first data signal terminal; and the second pixel driving sub-circuit configured to provide a driving signal to the driving signal output terminal in the second period and perform threshold voltage compensation on the first pixel driving sub-circuit in the first period under control of signals at a second scanning signal terminal, a second control signal terminal, and a second data signal terminal.

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Beijing, China

Xuebo Liang