Boe Technology Group Co., Ltd.

Chongqing Boe Optoelectronics Technology Co., Ltd.

Lijun Xiong

Shuai Chen

Xing Dong

Xiuzhu Tang

Zhi Zhang

Taoliang Tang

Zhenguo Tian

Shuang Hu

Xuebo Liang

Jingpeng Zhao

Qian Qian

Tae Yup Min

Heecheol Kim

Zhihui Wang

Yanli Zhao

Qiyuan Wei

Hui Li

Qian Wang

Qi Cheng Li

Zhi Hu Wang

Huan Wang

Gang Chen

Yuanbo Zhang

Jian Yang

Hailong Wu

Tao Zhou

Xiaolong Liu

Xiaoji Li

He Sun

Min Ran

Meiling Tan

Jinjin Chen

Cuilian Li

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 pixel driving circuit includes a first switching element, a second switching element, a first compensation element, a second compensation element, a driving transistor, a capacitor, and a third switching element.

Pixel driving circuit including compensation elements and method and display device

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 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

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

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

A shift register unit includes a first output control circuit, a first output circuit, a second output control circuit, a second output circuit, a reset circuit, and a node set circuit. The node set circuit is configured to periodically transfer a first voltage having an inactive level to a first node within the shift register unit during being enabled.

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

Embodiments of the present disclosure provide a pixel driving circuit, a driving method thereof, and a display device. The pixel driving circuit comprises: a light emitting element and a driving transistor, a gate of the driving transistor being electrically coupled to a second node, a drain of the driving transistor being electrically coupled to a first node, and a source of the driving transistor being electrically coupled to the light emitting element; a first controlling circuit electrically coupled to the second node; a second controlling circuit electrically coupled to the first node and the second node; a third controlling circuit electrically coupled to a first voltage signal terminal and the first node; a first energy storing circuit electrically coupled to the second node and a third node; a first adjusting circuit electrically coupled to the third node, a fourth node and a second voltage signal terminal.

Pixel driving circuit, driving method thereof, and electronic device

The present disclosure provides a GOA circuit, a method for driving the GOA circuit, and a display panel. The GOA circuit includes a plurality of GOA sub-circuits. Each GOA sub-circuit includes a plurality of cascaded shift register units. Each of the GOA sub-circuits is connected to an independent start signal terminal, and the start signals of different GOA sub-circuits are separated by a time interval for acquisition of touch signals.

GOA circuit, method for driving the same and display panel

The present disclosure proposes a shift register circuit and a method for driving the same, a gate driving circuit and a method for driving the same, and a display apparatus. The shift register circuit comprises an input circuit, a reset circuit, a control circuit and a multi-output circuit. The input circuit is configured to receive an input signal and output a signal to a first node based on the input signal; the reset circuit is configured to receive a reset signal and a first reference signal, and output the first reference signal to the first node under control of the reset signal; the control circuit is configured to control a potential at the first node to be an inverted potential of a potential at the second node; and the multi-output circuit is configured to receive the first reference signal and a plurality of clock signals, and output a plurality of driving signals according to the corresponding clock signals and the first reference signal under the control of signals at the first node and the second node.

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

An amplitude control main circuit, a voltage supply modular circuit, a display device, and an amplitude control method are provided. The amplitude control main circuit includes a variable resistive circuit, an output control circuit and a gate-driving-power-voltage output terminal; the output control circuit is connected to an output control terminal, a voltage input terminal, the gate-driving-power-voltage output terminal, and the variable resistive circuit, and controls, under control of the output control terminal, the gate-driving-power-voltage output terminal to be connected to the voltage input terminal directly or via the variable resistive circuit; a control terminal, a first terminal, and a second terminal of the variable resistive circuit are connected to a resistance control terminal, the output control circuit, and the gate-driving-power-voltage output terminal, respectively, and a resistance value of the variable resistive circuit is changed under control of the resistance control terminal.

Amplitude control main circuit, voltage supply modular circuit, display device and amplitude control method

The disclosure discloses an array substrate, a liquid crystal panel, and a process of fabricating the array substrate. The array substrate includes an orientation film, an upper electrode, a lower electrode, and an intermediate electrode located between the upper electrode and the lower electrode, wherein the intermediate electrode is configured to have drive voltage applied thereto when there is zero relative voltage between the upper electrode and the lower electrode, so that an electric field is generated between the intermediate electrode and the lower electrode, and a direction of the electric field is parallel to an orientation direction of the orientation film.

Growing community of inventors

Beijing, China

Lijun Xiong