Beijing Boe Optoelectronics Technology Co., Ltd.

Boe Technology Group Co., Ltd.

Beijing Boe Technology Development Co., Ltd.

Zhengxin Zhang

Shuai Xu

Yi Zheng

Zhiyong Wang

Yao Yu

Lei Guo

Jingshan Ma

Wensen Shi

Qiang Wang

Pengju Zhang

Wei Tang

Jiali Zhang

Haifei Su

Junrui Cui

Xin Li

Lingyun Shi

Di Wang

Yezhou Fang

Ye Wy Wang

Yong Song

Hanqing Liu

Qing Zhao

Jie Cao

Pengcheng Tian

Ye Wang

The present disclosure provides a gate driving circuit, a display panel, a driving method and a display device. The gate driving circuit includes an input module, a pull-up node, an output module, a first pull-down node, a first pull-down node control module and a first suppression module. The first pull-down node control module controls to connect the first connection node and the first pull-down node under the control of the pull-up node, and inputs the signal provided by the second signal terminal to the first pull-down node under the control of the potential of the first pull-down node; the first suppression module inputs the signal provided by the first level signal terminal to the first connection node under the control of the pull-up node.

Gate driving circuit having first suppression module, display panel, driving method and display device

Provided in embodiments of the disclosure are a driving method for a display panel, and a display apparatus. A display frame includes a data refresh phase and a blanking time phase. The driving method for the display panel includes: in the data refresh phase, loading a clock signal including an active level and an inactive level to a gate driving circuit in a display panel to cause a gate line to load a gate-on signal, loading display data to a source driving circuit in the display panel to cause a data line to load a data voltage, and determining a current operating state of the display panel; and in the blanking time phase, loading a clock signal including an inactive level to the gate driving circuit in the display panel to cause the gate line to load a gate-off signal, and sending the current operating state of the display panel.

Driving method for display panel, and display apparatus

The present disclosure provides a display panel, a display device and manufacturing method of the display panel. The display panel includes a display area and a peripheral area located at a periphery of the display area, a light transmittance region is provided in the peripheral region; at least one first sub-pixels is provided at positions corresponding to the light transmittance regions, wherein at least one of the first sub-pixels is provided with a first thin film transistor, the first thin film transistor is connected with the first gate line, the first data line, and the first pixel electrode, wherein the first gate line is floating; a first pixel electrode is disposed in at least one of the first sub-pixels; and at least one first sensing electrode has an orthogonal projection on a base substrate partially overlapped with an orthogonal projection of the at least one first sub-pixel.

Display panel, display device and manufacturing method of display panel

Embodiments of the present disclosure provide a reading apparatus for an X-ray detector, a method for using the reading apparatus, and the X-ray detector. The reading apparatus includes a control circuit, a compensation circuit, and a processing circuit. The control circuit is configured to provide, in a first phase, a first signal to an input terminal of the compensation circuit according to a reference signal and a dark current in a sense device of the X-ray detector, and provide, in a second phase, a second signal from the sense device to the input terminal of the compensation circuit. The compensation circuit is configured to generate, in the first phase, a compensation signal according to the first signal, and compensate, in the second phase, the second signal according to the compensation signal, to generate a third signal. The processing circuit is configured to process the third signal.

Reading apparatus for x-ray detector and method for using reading apparatus, and x-ray detector

The present disclosure provides an array substrate and a display device and belongs to the field of display technology. The array substrate of the present disclosure includes a driving chip and a signal connection line, wherein a first end of the signal connection line is disposed over a first pad corresponding to a peripheral circuit board and has a first through hole at a position corresponding to the first pad; a second end of the signal connection line is disposed over a second pad corresponding to the driving chip and has a second through hole at a position corresponding to the second pad; the array substrate further includes a static electricity discharge structure connected to the second end of the signal connection line.

Array substrate and display device

A touch detection chip, a touch panel and a touch detecting method are disclosed. The touch detecting method includes: detecting a signal amount of each of a plurality of touch units; determining candidate touch units according to the signal amount of each of the plurality of touch units; and determining a target touch unit from the candidate touch units according to signal amounts of adjacent touch units of each of the candidate touch units.

Touch detection chip, touch panel and touch detecting method

A driving method and a driving device for a touch panel are disclosed. The driving method of a touch panel comprises: inputting a first touch scan signal to a touch electrode during a first touch period before a display period; and inputting a second touch scan signal to the touch electrode during a second touch period after the display period, the first touch scan signal and the second touch scan signal being opposite in polarity.

Driving method and driving device for touch panel

Embodiments of the present disclosure provide a screen and a device comprising the screen. The screen comprises: an induction current generation circuit configured to generate an induction current; an induction current transmission circuit connected to the induction current generation circuit and configured to transmit the induction current; and a control circuit connected to the induction current transmission circuit and configured to control the transmission of the induction current. The device comprises the screen described above, and the device further comprises a charging circuit connected to the induction current transmission circuit and the battery and configured to rectify the induction current so as to charge the battery. The screen according to the embodiments of the present disclosure and the device comprising the screen can provide a charging current for the battery of the electronic product by using a circuit built in the screen.

Screen and device comprising the screen

A grayscale voltage calibration device comprises: an adjusting circuit, configured to receive an actual grayscale voltage value of a grayscale output from a source driver IC, compare the actual grayscale voltage value with a theoretically determined voltage value of the grayscale, and adjust the actual grayscale voltage when the comparison result indicates that the actual grayscale voltage is not equal or close to the theoretically determined voltage value; and a verification circuit, configured to verify whether the adjusted grayscale voltage value is equal or close to the theoretically determined voltage value, and feedback the adjusted grayscale voltage value as a target voltage value to be input to a display panel of the display device to the source driver IC if yes, otherwise, control the adjusting circuit to further adjust the adjusted grayscale voltage value.

Grayscale voltage calibration device, system, method and display device

A pixel structure, a display substrate and a display device are disclosed. The pixel structure comprises a plurality of first pixels, second pixels and third pixels. The first pixel comprises a first sub-pixel arranged at upper-right part and a second sub-pixel arranged at lower-left part. The second pixel comprises the second sub-pixel arranged at upper-right part and a third sub-pixel arranged at lower-left part. The third pixel comprises the third sub-pixel arranged at upper-right part and the first sub-pixel arranged at lower-left part. The second pixels are arranged at the right and upper sides of the first pixels. The third pixels are arranged at the right and upper sides of the second pixels. The first pixels are arranged at the right and upper sides of the third pixels. According to an embodiment, when an image having an oblique boundary, a transverse boundary and/or a vertical boundary is displayed, the phenomenon of color crispening will not occur because the first sub-pixels, the second sub-pixels and the third sub-pixels are arranged along the boundary of the image in a staggered way.

Pixel structure, display substrate and display device

A gate drive on array unit, a gate drive on array circuit and a display device are disclosed. The gate drive on array unit including: a control module configured to output a clock signal under control of a gate driving signal of a previous stage of gate drive on array unit or a start input signal; an output module connected to the control module and configured to output a high voltage signal (VGH) as a gate driving signal of the present stage under control of the clock signal outputted from the control module, and output a low voltage signal under the control of the clock signal outputted from the control module; and a reset module connected to the output module, and configured to reset the gate driving signal of the present stage under the control of a gate driving signal of a next stage of gate drive on array unit.

Gate drive on array unit, gate drive on array circuit and display apparatus

A method and device for detecting a defect of a display panel, the method comprises steps of: connecting at least one electrical test pad on the display panel to a first detecting terminal, and connecting another at least one electrical test pad on the display panel to a second detecting terminal; providing a preset voltage between the first detecting terminal and the second detecting terminal; and, detecting whether magnitudes of currents passing through the first detecting terminal and the second detecting terminal within a predetermined time are less than a preset current threshold, and if not, then determining there is a defect on the display panel. The present disclosure can implement effective detection and interception of a progressive defect or badness in the display panel.

Method and device for detecting defect of display panel

The present disclosure provides a display substrate, a driving method thereof and a display device. The display substrate includes a touch region. Multiple touch electrodes are arranged in columns at the touch region, and the touch electrodes in each column are connected together. At a touch detection stage, the 5 touch electrodes in each column at the touch region are disconnected from the touch electrodes in the other columns, and at a display stage, the touch electrodes in the columns at the touch region are connected together and serve as common electrodes.

Display substrate, driving method thereof and display device for connecting touch electrodes with a common voltage

The present invention discloses a driving method and device of a touch control display configured to resolve the problems such as image smearing and jittering caused by the touch control displaying during the image displaying by the display with the touch functions. The driving method of the touch control display includes: detecting whether or not a touch currently occurs on the touch control panel after the touch control display panel displaying the present image frame and before displaying the next image frame; when a occurred touch event is detected, controlling the display panel to display the inserted image with equal grayscale for each pixel of the display during a prescribed period; and controlling the touch control panel to execute the touch control command based on the touch signal corresponding to the occurred touch event.

Driving method and driving device of touch control display

The present invention provides a shift register and a method for driving the same, a gate driving circuit and a display device, the shift register includes a NOR gate circuit, a latch circuit and an output control circuit. First to fourth input terminals of the NOR gate circuit are connected to a clock control signal terminal, a signal input terminal, a high-level power supply terminal and a low-level power supply terminal, respectively, and an output terminal thereof is connected to a first input terminal of the latch circuit; second to fourth input terminals of the latch circuit are connected to the signal input terminal, the high-level power supply terminal and the low-level power supply terminal, respectively, and first and second output terminals thereof are both connected to the output control circuit, which is connected to the clock control signal terminal, the low-level power supply terminal and a signal output terminal.

Growing community of inventors

Beijing, China

Zhengxin Zhang