Boe Technology Group Co., Ltd.

Chongqing Boe Optoelectronics Technology Co., Ltd.

Yanan Zhao

Lijun Xiao

Shaohong Gao

Zhiyou Liu

Yihjen Hsu

Xiuqin Zhang

Shuai Chen

Xiuzhu Tang

Shuang Hu

Zhenguo Tian

Chuan Li

Zhi Zhang

Hong Yu Chen

Xuebo Liang

Ming Deng

Jinjia Luo

A shift register unit and a driving method thereof, a gate drive circuit and a display device are provided. The shift register unit includes: an input circuit, connected to a pull-up node, and configured to charge the pull-up node according to an input signal; an output circuit, connected to the pull-up node and an output terminal, and configured to output an output signal to the output terminal under control of a voltage of the pull-up node; a reset circuit, connected to the pull-up node, and configured to reset the pull-up node; and a reset signal control circuit, connected to a first reset terminal and the reset circuit, and configured to generate and output a reset control signal according to a reset control input signal and a reset signal provided by the first reset terminal; the reset control signal is configured to control the reset circuit to perform a reset operation.

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

The present application discloses a pixel driving circuit. The circuit includes an input sub-circuit configured to set a voltage level at a first node; a storage sub-circuit coupled between the first node and a second node; and a drive sub-circuit coupled to the first node and the second node and configured to drive light emission of a light-emitting device. Additionally, the circuit includes a charge sub-circuit coupled to the drive sub-circuit, and configured to charge the drive sub-circuit to latch a voltage level at the second node to be larger than a first threshold but smaller than a second threshold. Furthermore, the circuit includes an adjust sub-circuit coupled to a second node and coupled to the input sub-circuit at least via the first node, and configured to at least adjust voltage level at the second node to make the light-emitting device with an inverted polarity in one partial period.

Pixel driving circuit, method, and display apparatus

The present application discloses a voltage-supply circuit including a voltage-supply sub-circuit coupled to a plurality of common-electrode blocks respectively via a plurality of signal lines in a display panel and configured to provide an initializing common-electrode voltage to each common-electrode block via a respective one signal line during an initialization period of a display time. The voltage-supply circuit further includes a voltage-feedback sub-circuit configured to collect a feedback voltage from the respective one signal line during the initialization period. Additionally, the voltage-supply circuit includes a voltage-comparison sub-circuit configured to compare the feedback voltage and a standard common-electrode voltage and to cause a generation of a trigger signal when a difference between the feedback voltage and the standard common-electrode voltage changes polarity. The trigger signal drives the voltage-supply sub-circuit in a normal output period to supply the standard common-electrode voltage via the respective one signal line to one corresponding common-electrode block.

Voltage-supply circuit, method, and touch-control display apparatus

The present disclosure provides a display method of a curved display panel, and a curved display device. The display method of the curved display panel according to the present disclosure includes: obtaining a radius of curvature of the curved display panel and acquiring image data, wherein the image data includes a gray scale corresponding to each sub-pixel; and determining a data voltage output to each sub-pixel according to the radius of curvature and a gray scale corresponding to the sub-pixel.

Display method of curved display panel, and curved display device

The present disclosure provides a gate on-state voltage supply unit, a gate on-state voltage supply method, a display driving module and a display device. The gate on-state voltage supply unit is used in the display device including a display driving module. The gate on-state voltage supply unit includes a shutdown determination module and a voltage supply module. The shutdown determination module is configured to determine whether the display device has been shut down, and when the display device has been shut down, transmit a boosting control signal to the voltage supply module. The voltage supply module is configured to, upon the receipt of the boosting control signal, boost a gate on-state voltage to acquire a boosted gate on-state voltage, and apply the boosted gate on-state voltage to a gate driving circuit of the display driving module.

Gate on-state voltage supply unit, gate on-state voltage supply method, display driving module and display device

The disclosure discloses a drive circuit, a display panel, a display device, and a method for driving the display panel; wherein the drive circuit includes a plurality of shift register groups including at least one shift register, and a clock signal input sub-circuit; the clock signal input sub-circuit is configured to input clock signals to respective shift registers in the plurality of shift register groups through a plurality of clock signal lines for controlling outputs of the respective shift registers, wherein durations of valid levels of clock signals applied to a same shift register group are same, and durations of valid levels of clock signals applied to different shift register groups are different.

Drive circuit, display panel, display device, and method for driving the display panel

Growing community of inventors

Beijing, China

Yanan Zhao