Boe Technology Group Co., Ltd.

Hefei Xinsheng Optoelectronics Technology Co., Ltd.

Wenwu Lu

Ke Dai

Chunyang Nie

Bingbing Yan

Xueqin Wei

Yuanyuan Liu

Lixin Zhu

Shenghua Hu

Xiaoliang Cheng

Min Wang

Rui Ma

Li Ni Zhang

Liugang Zhou

Ruifang Du

Hailong Li

A common voltage calibration circuit and a driving method thereof, a circuit board and a display device are provided. The common voltage calibration circuit includes a difference circuit, a compensation circuit and a summing circuit; the difference circuit is configured to perform a difference processing on a common voltage provided by the common voltage input terminal and a feedback common voltage provided by the common voltage feedback terminal to output a difference value signal; the compensation circuit is configured to receive the difference value signal and compensate the common voltage based on the difference value signal; and the summing circuit is configured to superimpose at least two compensation signals output by the compensation circuit and output through the common voltage output terminal.

Common voltage calibration circuit and driving method thereof, circuit board and display device

A display device and a method for driving the same are provided. The display device includes an array substrate and a data driving circuit, the array substrate includes a plurality of data lines divided into multiple groups, each group includes at least two data lines, first ends of the data lines in each group are connected together by the data driving circuit during a first charge sharing phase of each scanning period, the array substrate further includes a plurality of switches; the display device further includes a control circuit configured to output a control signal during a second charge sharing phase of each scanning period, each switch is turned on according to the control signal to connect second ends of corresponding data lines in corresponding group; in each scanning period, the first charge sharing phase and the second charge sharing phase are at least partially overlapped with each other.

Display device and method for driving the same

The present disclosure discloses a transient overvoltage protection circuit, an array substrate, and a display apparatus, wherein the transient overvoltage protection circuit comprises a transient suppression circuit configured to discharge a transient high voltage in a signal to be processed to obtain a first processed signal; and an isolation circuit having an input terminal electrically coupled to the transient suppression circuit, the isolation circuit being configured to isolate a residual voltage in the first processed signal to obtain a second processed signal.

Transient overvoltage protection circuit, array substrate comprising the same, and display apparatus

The present disclosure provides a display device, a manufacturing method thereof, a driving method thereof and a counter substrate. The display device includes a liquid crystal cell, at least one flicker detector and a signal processing apparatus. The at least one flicker detector is disposed in a non-display region within the liquid crystal cell and configured to detect light intensity in the liquid crystal cell; and the signal processing apparatus is configured to adjust a magnitude of a common voltage for driving the liquid crystal cell according to a signal strength outputted from the flicker detector, to reduce a flicker value of the display device.

Display device, manufacturing method thereof, and counter substrate

The present disclosure provides a display panel, a method for compensating a common voltage thereof, and a display device, belongs to the field of display technology and can solve the problem that the existing display panel cannot effectively compensate the common voltage in the middle region thereof. The display panel includes a plurality of compensation regions, each of the compensation regions is provided with a plurality of common electrodes. The display panel includes a compensation circuit corresponding to each compensation region. The compensation circuit may compensate an actual common voltage of the common electrode in a corresponding compensation region, according to an average value of a difference between an actual common voltage and a preset common voltage of each common electrode in the corresponding compensation region.

Display panel and common voltage compensation method thereof and display device

Disclosed are a detecting device, and a method for controlling the same, and the detecting device includes: a controller, and a detector and at least one image acquirer which are electrically connected respectively with the controller, wherein the detector includes a receiver; the image acquirer is arranged on a side of the detector away from the receiver and has an adjustable shooting angle; and the controller is configured to control the image acquirer to acquire images of at least two adjacent sides of a detected rectangular plane, and to determine the position of the detector on the detected rectangular plane according to the shooting angle of the image acquirer and the acquired images of the sides.

Detecting device, and method for controlling the same

A source drive circuit and a display device. The source drive circuit includes: a detection circuit, configure to detect a change value of a common voltage; and a compensation circuit, configured to obtain a compensation data signal based on a data signal and the change value of the common voltage, and output the compensation data signal to a pixel electrode of a display panel.

Growing community of inventors

Beijing, China

Wenwu Lu