Boe Technology Group Co., Ltd.

Chongqing Boe Optoelectronics Technology Co., Ltd.

Siqing Fu

Shuai Hou

Xianyong Gao

Shuai Chen

Bo Xu

Xu Lu

Lisheng Liang

Fei Shang

Lijun Xiao

Xinghong Liu

Zhi Zhang

Haijun Qiu

Sijun Lei

Qiang Yu

Yunsong Li

Fanjian Zeng

Yih Jen Hsu

Yang Liu

Hao Sun

Lei Chen

Can Zhang

Jing Wang

Liang Gao

Gang Chen

Xiuzhu Tang

Xin Chen

Bing Li

Zhihui Wang

Wu Wang

Taoliang Tang

Mengjie Wang

Qian Qian

Zhijian Qi

Zhicai Xu

Xiang Fang

Shanbin Chen

Yuxu Geng

Yong Long

Yihjen Hsu

Keke Gu

Jianghong Wen

Shaohong Gao

Sen Tan

Wenlong Feng

Xiangchao Chen

Daoping Yu

Dehuai Li

Yongchao Guo

Jincheng He

Hai Jun Qiu

Yin-Jen Hsu

Guanyu Zhou

The present application discloses a circuit for providing a temperature-dependent common electrode voltage. The circuit includes a sensing sub-circuit coupled between a power-supply terminal and a ground terminal and configured to generate a first voltage for controlling a switching sub-circuit to connect the power-supply terminal to a first node. The circuit further includes a compensation sub-circuit coupled between the first node and the ground terminal and be enabled, when the first voltage decreases below a threshold as temperature increases above a threshold temperature, to output a temperature-dependent second voltage proportional to the temperature to a second node. Additionally, the circuit includes an output sub-circuit coupled to the second node combined with a first input-voltage terminal and further coupled to a second input-voltage terminal, to generate a temperature-dependent output voltage based on a weighted mixing of the temperature-dependent second voltage, a first input voltage, and a second input voltage.

Circuit for providing a temperature-dependent common electrode voltage

A display method of a display device and the display device are provided. The display method includes: acquiring an abnormality of signal of a front-end system; outputting a normal timing signal and a specified data signal to a display panel, until an end of a current frame.

Display method of display device and display device

A flexible display panel and a manufacturing method thereof are provided. The flexible display panel includes: a base substrate, a circuit structure layer, and a via hole; the circuit structure layer is located on an upper surface of the base substrate, a protrusion in an annular shape is provided at a side of the circuit structure layer away from the base substrate, the via hole penetrates the circuit structure layer, and the protrusion surrounds the via hole.

Flexible display panel and manufacturing method thereof

A display device and a drive method, the display device including: an edge-lit backlight module; a liquid crystal display panel positioned on the light-emergent side of the edge-lit backlight module; and a polymer liquid crystal film positioned between the liquid crystal display panel and the edge-lit backlight module, and including a plurality of closely arranged independent dimming areas, each dimming area being configured for independent control of light transmittance. The present display device takes advantage of the characteristics of the polymer liquid crystal film, loading different driving voltages in different dimming areas and changing the transmittance of the polymer liquid crystal film.

Display device and drive method therefor

A gray-scale compensation device and method for combined pixels, and a display device. The compensation method for the combined pixels includes: measuring a gamma curve of the first pixel group to obtain a first gamma curve; measuring a gamma curve of the second pixel group to obtain a second gamma curve, where an area of the first pixel group is different from an area of the second pixel group; obtaining a compensation voltage based on the first gamma curve and the second gamma curve; and compensating the first pixel group or the second pixel group based on the compensation voltage.

Gray-scale compensation device and method for combined pixels, and display device

A voltage adjustment method, a voltage adjustment device and a display device are provided. The voltage adjustment method is applied to a display device, and includes: determining an offset reference voltage, the offset reference voltage is smaller than or equal to a voltage obtained by subtracting a minimum gamma voltage of the display device from a minimum initial pixel voltage among initial pixel voltages of all pixels on a display screen of a current frame of the display device; decreasing a common voltage of the display device by the offset reference voltage; and decreasing an initial pixel voltage of each pixel on the display screen of the current frame of the display device by the offset reference voltage.

Voltage adjustment method, voltage adjustment device and display device

The present application discloses a voltage shift circuit and a driving method thereof, a driving device and a display apparatus. The voltage shift circuit includes: a first input terminal, a second input terminal, a first voltage terminal, a second voltage terminal, and an output terminal. The first input terminal is configured to input a first signal. The second input terminal is configured to input a second signal. The first voltage terminal is configured to input a first voltage. The second voltage terminal is configured to input a second voltage. The output terminal is configured to output an output signal. The voltage shift circuit is configured to lower the first voltage to an output voltage within a first time using the first signal, and to raise the second voltage to the output voltage within a second time using the second signal. The first time partially overlaps with the second time.

Voltage shift circuit and driving method thereof, driving device and display apparatus

A gate driver, a configuration system, and configuration method thereof is provided. The gate driver is used for providing a gate drive signal for a TFT array substrate and comprises at least a drive capability detection module and a drive capability adjustment module. The configuration system is configured to configure the driving capabilities of a plurality of gate drivers and comprises a controller provided outside the plurality of gate drivers. The driving capability of the gate driver becomes adjustable and configurable. The well balance of the drive capabilities of the drive control signals received by the different TFT array regions driven by the plurality of gate drivers configured by the configuration system can avoid the occurrence of a splitting-screen phenomenon.

Gate driver and configuration system and configuration method thereof

The present disclosure provides a display drive circuit for driving a display panel having a plurality of pixels. The display drive circuit comprises a stepping unit, configured to shape a gate voltage signal to compensate for pixel-to-pixel charging variations to thereby reduce luminance variations on the display panel. The display drive circuit can further include a time sequence control unit and a modulation unit. The time sequence control unit can be coupled to the modulation unit, and can be configured to generate a first control signal; and the modulation unit can be configured to utilize the first control signal to modulate a preset signal to thereby generate a second control signal; and the stepping unit can be coupled to the modulation unit, and can be configured to shape the gate voltage signal based on the second control signal prior to outputting the gate voltage signal.

Display apparatus and drive circuit thereof

The disclosure provides a touch detection method and apparatus for a touch display screen, wherein a time period for scanning the touch display screen within each frame comprises a display scanning phase and a touch scanning phase, the method comprising: scanning a part of the touch display screen during the touch scanning phase to detect whether there is a touch signal; and reducing a frame rate of the touch display screen and scanning the whole touch display screen when the touch signal is detected. Accordingly, the charging time of the panel is guaranteed while displaying and touch detecting functions are multiplexed.

Touch detection method and apparatus for touch display screen

A display panel, a display device and a method for repairing a disconnected line. The display panel comprises a lower substrate and a repair circuit. The lower substrate comprises data lines. The repair circuit comprises a proximal repair circuit, a distal repair circuit and an amplifier circuit. An input terminal of the amplifier circuit is electrically connect to a signal input terminal of a disconnected data line, and an output terminal of the amplifier circuit is electrically connect to a terminal of the proximal repair circuit and a terminal of the distal repair circuit respectively; another terminal of the proximal repair circuit is connect to a terminal of the disconnected data line that is close to the signal input terminal, and another terminal of the distal repair circuit is connect to a terminal of the disconnected data line that is away from the signal input terminal.

Display panel, display device and method for repairing disconnected line

The present application provides a current control circuit and a method for controlling the same, a backlight assembly and a display device. The current control circuit includes a current regulator, a current detector, a voltage detector, a switching circuit, a controlled circuit and a reference voltage setting device. The current detector is electrically connected with the switching circuit, the controlled circuit and a ground for detecting a current of the controlled circuit, the voltage detector is configured to detect a voltage across at least a portion of the controlled circuit, and a first output terminal of the voltage detector is electrically connected with the reference voltage setting device.

Current control circuit and method for controlling the same, backlight assembly and display device

The present disclosure provides a circuit for processing a voltage of a pixel electrode and a display apparatus. The circuit for processing a voltage of a pixel electrode comprises: a first input terminal configured to input an original voltage of the pixel electrode; a second input terminal configured to input a voltage of a common electrode; and an output terminal configured to output a processed voltage of the pixel electrode, wherein the circuit for processing a voltage of a pixel electrode is configured to superimpose the voltage of the common electrode on the original voltage of the pixel electrode, to acquire a voltage which is stable with respect to the voltage of the common electrode as the processed voltage of the pixel electrode.

Circuits for processing a voltage of a pixel electrode and display apparatuses

The present application discloses a display panel having a plurality of gate lines and a gate driving circuit for driving the plurality of gate lines, the gate driving circuit including a plurality of first cascaded shift register units and a plurality of second cascaded shift register units for applying gate scanning signals to gate lines connected thereto. The display panel includes a first pair of first cascaded shift register unit and second cascaded shift register unit; a second pair of first cascaded shift register unit and second cascaded shift register unit; the second pair adjacent to the first pair; the first cascaded shift register unit in the first pair is electrically coupled to the second cascaded shift register unit in the second pair; and the second cascaded shift register unit in the first pair is electrically coupled to the first cascaded shift register unit in the second pair; a first group of gate lines connecting the first pair of first cascaded shift register unit and second cascaded shift register unit; and a second group of gate lines connecting the first cascaded shift register unit in the first pair and the first cascaded shift register unit in the second pair. The gate driving circuit includes a first column of cascaded shift register units and a second column of cascaded shift register units, the first column and the second column having a same number of cascaded shift register units; the first cascaded shift register unit in the first pair is an odd numbered cascaded shift register unit in the first column, the second cascaded shift register unit in the first pair is an odd numbered cascaded shift register unit in the second column, the first cascaded shift register unit in the second pair is an even numbered cascaded shift register unit in the second column, and the second cascaded shift register unit in the second pair is an even numbered cascaded shift register unit in the first column.

Gate driving circuit, display panel and display apparatus having the same, and driving method thereof

Growing community of inventors

Beijing, China

Siqing Fu