Boe Technology Group Co., Ltd.

Chongqing Boe Optoelectronics Technology Co., Ltd.

Xing Dong

Shuai Chen

Xiuzhu Tang

Lijun Xiong

Zhi Zhang

Taoliang Tang

Zhenguo Tian

Shuang Hu

Xuebo Liang

Jingpeng Zhao

Qian Qian

Heecheol Kim

Zhihui Wang

Tae Yup Min

Hailong Wu

Yanli Zhao

Hui Li

Qian Wang

Zhi Hu Wang

Rui Liu

Huan Wang

Gang Chen

Yuanbo Zhang

Jianfeng Yuan

Jian Yang

Yajie Bai

Ying Huang

Tao Zhou

Xiaolong Liu

Xiaoji Li

Cheng Zuo

Jiandong Guo

Kangpeng Dang

Wentao Zhu

Yi Dan

He Sun

Taeyup Min

Min Ran

Jianbo Fu

Qiyuan Wei

Hongxin Pan

Yanlin Han

Meiling Tan

Cuilian Li

Wangjing Bai

Xiaojun Zuo

Provided are a driving method, a gate drive unit and a display touch device. The driving method is applied to the gate drive unit in the display touch device. The gate drive unit includes at least one pull-down circuit. The pull-down circuit is coupled with a pull-up node and a pull-down voltage terminal, and is configured to control connection or disconnection between the pull-up node and the pull-down voltage terminal; one frame of image display time includes a display phase and a touch phase that are alternately set, and at least one of the touch phase is set between two adjacent display phases. The driving method includes: during the touch phase, controlling, by the at least one pull-down circuit, the disconnection between the pull-up node and the pull-down voltage terminal. The problem of a screen flashing phenomenon of existing display touch devices during the touch phase is solved.

Driving method, gate drive unit and display touch device

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 scan driving circuit and a driving method thereof, and a display device are disclosed. The scan driving circuit includes: a control circuit, a scanning circuit group and a first processing circuit group. The control circuit is configured to generate and output a keyword signal to the first processing circuit group, to control a scan order of respective scanning circuits in the scanning circuit group; the first processing circuit group is configured to generate a scan enable signal according to the keyword signal, and output the scan enable signal to a scanning circuit corresponding to the keyword signal in the scanning circuit group.

Scan driving circuit and driving method thereof, 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 pixel driving circuit and a driving method thereof, a display panel, and a display device. The pixel driving circuit, comprising: a driving current generating circuit having a control terminal, a first terminal, and a second terminal; a data circuit configured to provide a signal from a data signal terminal to the control terminal of the driving current generating circuit in response to a signal from a first scan signal terminal, and provide a signal from the data signal terminal to the second terminal of the driving current generating circuit in response to a signal from a second scan signal terminal; a voltage circuit configured to provide a signal from a first voltage signal terminal to a first node in response to a signal from a light-emitting control signal terminal; and a control circuit configured to electrically connect the first node and the control terminal of the driving current generating circuit in response to a signal from the second scan signal terminal, and electrically connect the first node and the first terminal of the driving current generating circuit in response to a signal from a third scan signal terminal.

Pixel driving circuit, driving method thereof, display panel and display device

A display device and an operation method thereof are disclosed. The display device includes a display panel, a pressure sensor, a skin texture sensor, and a controller. The skin texture sensor and the pressure sensor are respectively coupled to the controller; the pressure sensor is configured to detect a pressing action on a display side of the display panel; the skin texture sensor is configured to detect a skin texture image of a user touching the display side of the display panel; and the controller is configured to awaken the skin texture sensor when the pressure sensor detects the pressing action. The display device reduces power consumption of the fingerprint detection.

Display device and operation method thereof

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 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.

Pixel driving circuit and method for controlling the same, display driving circuit and method for controlling the same, and display panel

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Beijing, China

Xing Dong