Beijing Boe Display Technology Co., Ltd.

Boe Technology Group Co., Ltd.

Beijing Boe Technology Development Co., Ltd.

Pengfei Hu

Shulin Yao

Wenpeng Ma

Yinlong Zhang

Yanping Liao

Zhihua Sun

Zheng Zhang

Dongchuan Chen

Xibin Shao

Jiantao Liu

Yingmeng Miao

Qi Cheng Li

Yuhang Tian

Xiaofeng Yin

Ning Zhang

Yue Yang

Yujie Gao

Yingying Qu

Qi Li

Jianhua Huang

Senwang Li

Jinling Zhang

Liangliang Zhao

Tong Lu

Kaiming Shi

Panhui Zhao

The method includes, during a data refresh stage of at least one display frame, loading a gate turn-on voltage to a gate line, and loading, on each data line, a data voltage of an image to be displayed, so that each sub-pixel inputs a corresponding data voltage, and during a blanking time period, loading a gate turn-off voltage to a gate line, and loading a compensation voltage to each data line. When a data voltage in a sub-pixel connected to a data line is greater than a common electrode voltage, a compensation voltage is less than the data voltage in the sub-pixel connected to the data line, and/or when the data voltage in the sub-pixel is less than the common electrode voltage, the compensation voltage is greater than the data voltage in the sub-pixel.

Method for driving display panel that during a blanking time phase loads a compensation voltage to each data line, display drive circuit, and display device

A display apparatus includes sub-pixels, at least one gate line group and a scan drive circuit. The gate line group includes a first gate line, a second gate line and a third gate line. The scan drive circuit outputs, in a frame scan cycle, a first scan signal to the first gate line, a second scan signal to the second gate line, and a third scan signal to the third gate line in sequence. Durations of effective scan periods of the scan signals are equal. A start moment of the effective scan period of the second scan signal is delayed by a first time length compared with that of the first scan signal. A start moment of the effective scan period of the third scan signal is delayed by a second time length less than the first time length compared with that of the second scan signal.

Display apparatus and driving method therefor

Provides are a drive method of a display panel and a display apparatus. The drive method of the display panel includes: obtaining a current temperature of the display panel; obtaining a current overdrive lookup table corresponding to the current temperature according to the current temperature and initial overdrive lookup tables corresponding to prestored set temperatures, wherein the initial overdrive lookup tables include a plurality of different first gray-scale values, a plurality of different second gray-scale values and initial gray-scale values corresponding to any first gray-scale value and any second gray-scale value, and the current overdrive lookup table includes a plurality of different first gray-scale values, a plurality of different second gray-scale values and current gray-scale values corresponding to any first gray-scale value and any second gray-scale value; and driving sub-pixels in the display panel to charge corresponding data voltages according to the current overdrive lookup table.

Drive method of display panel and display apparatus

The present disclosure provides an array substrate and a display device. The array substrate includes one start data line, N−1 intermediate data line and one end data line. The array substrate further includes a first driving circuit and a second driving circuit, the first driving circuit is arranged at a first side of the plurality of data lines, and the second driving circuit is arranged at a second side of the plurality of data lines opposite to the first side in a first direction. The first driving circuit is electrically connected to the first end of each of the plurality of data lines. The first driving circuit is electrically coupled to first ends of the plurality of data lines, a first end of the end data line is electrically coupled to a first end of the start data line, and the second driving circuit is electrically coupled to second ends of the plurality of data lines.

Array substrate and display device

A driving circuit, a display device, and a driving method are disclosed. The driving circuit includes a level conversion unit and a gate electrode driving unit; and the gate electrode driving unit is configured to sequentially shift and output a plurality of first gate scan signals by a first portion of the 2n gate signal output terminals in response to a first portion of the plurality of first output signals received at a first moment by a first portion of the plurality of second clock signal input terminals, and sequentially output a plurality of second gate scan signals by a second portion of the 2n gate signal output terminals in response to a second portion of the plurality of first output signals received at a second moment by a second portion of the plurality of second clock signal input terminals.

Driving circuit, display device, and driving method

The present invention relates to a touch display device, a drive control circuit for the touch display device, and a method for operating the touch display device. The touch display device includes a drive control circuit, the drive control circuit is configured to: in a display phase, provide a common voltage signal to a common electrode in a pixel circuit of the touch display device; in a touch phase, provide a touch drive signal to the common electrode, wherein a ratio of an average value of a high level and a low level of the touch drive signal to a value of the common voltage signal ranges from 0.8 to 1.2.

Touch display device and method of operating the touch display device

The present disclosure provides a chip-on-film, a display substrate, a display device and a driving method. The display substrate includes a plurality of scanning lines and a plurality of cascaded shift register units coupled to the scanning lines. The display substrate further includes an output control signal line electrically coupled to each shift register unit for providing an enable signal for the shift register unit. The output control signal lines include at least two output control signal lines for providing different enable signals, and two adjacent cascaded shift register units are coupled to different output control signal lines.

Chip-on-film, display substrate, display device, and driving method

A level conversion circuit and a display panel are provided. The level conversion circuit includes a signal generation circuit configured to output driving signals through a plurality of signal output terminals, a first operational amplification circuit configured to level-convert a voltage of an input terminal and output the voltage through an output terminal, and signal output terminals of the signal generation circuit are in one-to-one correspondence with input terminals of the first operational amplification circuit; a plurality of switching circuits connected between the signal output terminal and the input terminal, connected to a control signal terminal, and configured to communicate the signal output terminal with the input terminal in response to a signal of the control signal terminal. At least part of the switching circuits are connected to different control signal terminals.

Level conversion circuit, and display panel

The present disclosure provides a power management device, including an initial voltage input terminal, a power management circuit, and a plurality of gamma correction circuits. The initial voltage input terminal is configured to provide an initial voltage; the power management circuit includes at least one follower amplifier sub-circuit, each follower amplifier sub-circuit is configured to output a corresponding target operating voltage according to the initial voltage, a reference voltage, and a target operating voltage setting parameter; and each gamma correction circuit is configured to output a corresponding gamma correction voltage according to the initial voltage, the reference voltage, and a corresponding gamma parameter. The present disclosure further provides a display device.

Power management device and display device

An overdrive method and device, a controller, a display apparatus, and a storage medium is provided. The method includes: acquiring a first grayscale value and a second grayscale value, the first grayscale value being a grayscale value of a first image displayed by a target sub-pixel and the second grayscale value being a grayscale of a second image to be displayed by the target sub-pixel; acquiring a hold duration that the target sub-pixel holds the first grayscale value in response to the first grayscale value being not equal to the second grayscale value; determining a target overdrive compensation voltage according to the first grayscale value, the second grayscale value, and the hold duration; and applying an overdrive pixel voltage to the target sub-pixel in response to the target sub-pixel displaying the second image, the overdrive pixel voltage being obtained according to the target overdrive compensation voltage.

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Beijing, China

Pengfei Hu