Boe Technology Group Co., Ltd.

Beijing Boe Display Technology Co., Ltd.

Fuzhou Boe Optoelectronics Technology Co., Ltd.

Yichiang Lai

Chunbing Zhang

Zuwei Weng

Liang Zhang

Weize Xu

Nani Liu

Weibiao Geng

Yupeng Huang

Bin Weng

Qianglong Li

Yu Xie

Zhihan Zhou

Xianjuan Zhan

Jiujian Han

Bin Zhang

Shuai Hou

Bo Hu

Guangquan He

Dongqi Liu

Juijian Han

A liquid crystal display panel and a driving method of a liquid crystal display panel. The driving method includes: providing a first gate signal to a first gate line corresponding to a first row of sub-pixels among the plurality of rows of sub-pixels, in which the first gate signal includes an on period and an off period used to control the first row of sub-pixels to be turned on and off respectively; writing, during the on period of the first gate signal, a plurality of first data signals to sub-pixels among the first row of sub-pixels through the plurality of data lines, and during the on period of the first gate signal, a first writing time length of a negative polarity data signal is less than a second writing time length of a positive polarity data signal.

Driving method of liquid crystal display panel and liquid crystal display panel

The present disclosure provides a pixel driving circuit, a method for driving the pixel driving circuit, and a display panel. The pixel driving circuit includes: a driving circuit coupled to a first control signal terminal and a data signal terminal, and configured to generate a driving current based on a signal from the data signal terminal under control of a signal from the first control signal terminal; and a compensation circuit coupled to the first control signal terminal, a second control signal terminal, an output signal terminal, and the driving circuit, and configured to perform a threshold voltage compensation on the driving circuit and provide the driving current generated by the driving circuit to the output signal terminal, under control of a signal from a first control signal terminal and a signal from the second control signal terminal.

Pixel driving circuit and driving method thereof, and display panel

A signal protection circuit, a driving method thereof, and a device. A voltage division circuit divides a voltage of an input signal end and outputs a divided voltage. When the divided voltage is greater than a first threshold voltage and the divided voltage is less than a second threshold voltage, a signal control circuit outputs a first-level switch control signal. In this way, an output control circuit can connect the input signal end with an output signal end in response to the first-level switch control signal. When the divided voltage is less than the first threshold voltage or the divided voltage is greater than the second threshold voltage, the signal control circuit may output a second-level switch control signal. In this way, the output control circuit can connect the input signal end with a ground terminal in response to the second-level switch control signal.

Signal protection circuit, driving method thereof, and device

A voltage control circuit and a method of controlling the same, and a display device are provided. The comparison sub-circuit is coupled to a first reference voltage end, a second reference voltage end, a feedback voltage end and a comparison output end which is coupled to the switching sub-circuit. The switching sub-circuit is further coupled to an output voltage end, an initial voltage end and a replacement voltage end. The comparison sub-circuit determines whether a voltage of the feedback voltage end is between the first reference voltage and the second reference voltage. The switching sub-circuit transmits a voltage of the initial voltage end to the output voltage end in response to a first control signal of the comparison output end; transmit a voltage of the replacement voltage end to the output voltage end in response to a second control signal of the comparison output end.

Voltage control circuit and method of control the same, display device

This disclosure relates to a display panel, a control method thereof, a display device and a display system comprising such a display panel. The display panel includes a plurality of pixel units. Each pixel unit has a plurality of subpixels Each subpixel has a display subpixel and an interference subpixel. Additionally, the interference subpixel and the display subpixel are different in at least one of color and gray scale. The display panel also includes a first control unit configured to control the display subpixel to be switched on during a first period of time in each display period, and to control the interference subpixel to be switched off during the first period of time in each display period and switched on during a second period of time in each display period.

Display panel, control method thereof, display device and display system for anti-peeping display

The embodiments of the application disclose a control device for a gate driving circuit, a display panel and a display device. The control device for a gate driving circuit provided in the embodiment comprises a level shifter and a control module electrically connected with an output of the level shifter. The control module is used for controlling an output signal of the level shifter to be a low level signal when each input clock signal for the level shifter is low.

Control device for providing output error protection function for gate driving circuit, display panel and display device

A level converter and an operation method thereof, a gate driving circuit and a display device. The level converter includes: N input terminals, configured to receive N input signals; N control signal terminals, configured to receive N control signals; N output terminals, configured to output N output signals; and a level converting unit, connected to the N input terminals, the N control signal terminal and the N output terminals and configured to, according to a n-th control signal of the control signal terminals, determine to directly output a n-th input signal as a n-th output signal, or convert the n-th input signal and then output the converted n-th input signal as the n-th output signal; wherein when the n-th input signal is converted, the n-th input signal has shorter rise time and the n-th output signal has longer rise time, and N is a positive integer, 1&#x2264;n&#x2264;N.

Level converter and operation method thereof, gate driving circuit and display device

An array substrate, a display panel, a driving method thereof and a display device are provided. Each pixel in the array substrate includes four sub-pixels having different color filter colors and arranged in two rows and two columns. With respect to an example in which each row of sub-pixels corresponds to one gate line and each column of sub-pixels correspond to two data lines, during 3D display, two gate lines corresponding to each row of pixels apply gate scanning signals to this row of pixels, and two data lines corresponding to each column of sub-pixels apply gray scale signals to two sub-pixels belonging to each pixel in this column of sub-pixels respectively. Two sub-pixels having color filters of different colors belonging to a single pixel, in each column of sub-pixels, may receive gray scale signals over different data lines.

Array substrate, display panel, driving method thereof and display device

Touch display system and touch operation device are provided. An exemplary touch display system includes a touch operation device for emitting first non-visible light; and a touch display device including a touch screen and a touch detection module. The first non-visible light is able to heat up air around a contact point on the touch screen. The touch detection module is configured for determining a position of a light refraction occurred as a second non-visible light is incident on the air heated by the first non-visible light.

Touch display system and touch operation device

The present disclosure provides a display device, a display system and a display method. The display device includes a driver circuit, a display panel, and an interference unit arranged at a display side of the display panel. The driver circuit is configured to drive the display panel to display an image, and a time period for each frame of the image includes a display period and an interference period. During the display period, the interference unit is in a transparent state so as to enable light beams from the display panel to pass through the interference unit, and during the interference period, the interference unit is in an interference state so as to interfere with the light beams from the display panel.

Display device, display system and display method

A double-faced display panel and a double-faced display device comprising the double-faced display panel are provided. The double-faced display panel comprises: a first display sub-unit, provided with a first display surface and a first non-display surface opposite to each other; a second display sub-unit, provided with a second display surface and a second non-display surface opposite to each other, and arranged back to back with the first display sub-unit, the second non-display surface facing the first non-display surface; and a reflection unit, arranged between the first display sub-unit and the second display sub-unit. The reflection unit is configured to reflect display light emitted from the first display sub-unit back to the first display sub-unit and reflect display light emitted from the second display sub-unit back to the second display sub-unit.

Double-faced display panel and double-faced display device

A driving circuit for a touch screen, an in-cell touch screen and a display apparatus. A timing controller of the driving circuit controls a power supply circuit to output a clock signal with a first amplitude to an (N+1&#x2212;n)-stage to an N-stage shift registers (SR(n)) in a first time period at a display stage, and controls the power supply circuit to output a clock signal with a second amplitude to each stage of shift register (SR(n)) in a second time period at the display stage; and then levels of scanning signals output by the (N+1&#x2212;n)-stage to the N-stage shift registers (SR(n)) are higher than levels of scanning signals output by other stages of shift registers (SR(n)).

Growing community of inventors

Beijing, China

Yichiang Lai