Beijing Boe Display Technology Co., Ltd.

Boe Technology Group Co., Ltd.

Boe Technology Groupco., Ltd.

Kan Zhang

Bin Zhang

Dianzheng Dong

Guangxing Wang

Qiang Zhang

Pengming Chen

Wenpeng Xu

Weitao Chen

Yu Xie

Yu He

Heng Lu

Zheng Wang

Junwei Wang

Qiang Li

Ziqiang Guo

Xin Gai

Ming Tian

Yongquan Lu

The present application provides a gate driving unit circuit and a method of driving the same, a gate driving circuit and a display apparatus. The gate driving unit circuit includes a shift register and a plurality of driving signal output sub-circuits. Each driving signal output sub-circuit corresponds to one of gate lines on an array substrate, is coupled to a first power supply terminal and a signal output terminal of the shift register, and also coupled to a corresponding one of driving scan signal lines. Each driving signal output sub-circuit is configured to output, under the control of a signal output by the signal output terminal of the shift register, a driving scan signal provided by the corresponding driving scan signal line or an OFF voltage provided by the first power supply terminal to the corresponding gate line.

Gate driving unit circuit and method of driving the same, gate driving circuit and display apparatus

The present application provides a touch detection apparatus. The touch detection apparatus includes a square wave generating circuit configured to generate a first square wave signal having a frequency correlated to a magnitude of a mutual capacitance at a position at which touch occurrence status is to be determined; a frequency detecting circuit connected to the square wave generating circuit and configured to detect a first frequency of the first square wave signal; and a micro-processor connected to the frequency detecting circuit and configured to determine whether a touch has occurred based on the first frequency of the first square wave signal.

Touch detection apparatus, touch control apparatus, touch and display driver integration chip, touch control display apparatus, and touch detection and resistance measurement method

A touch circuit includes a touch circuit, a first energy storage circuit, a second energy storage circuit and a resetting circuit. A first end of the first energy storage circuit is connected to a control end of the touch circuit, and a second end thereof is connected to a first voltage input end. A first end of the second energy storage circuit is connected to a first conductive line, and a second end thereof is connected to the control end of the touch circuit. A first end of the touch circuit is connected to the first conductive line, and a second end thereof is connected to a third conductive line. A control end of the resetting circuit is connected to a second conductive line, a first end thereof is connected to the third conductive line, and a second end thereof is connected to a second voltage input end.

Touch circuit including pressure sensitive circuit, touch driving method and touch display panel

A pixel circuit includes a liquid crystal capacitor, a selection unit, a gray scale writing unit, and a reset unit. The selection unit is configured to determine whether to charge the liquid crystal capacitor according to a row control signal and a column control signal. The gray scale writing unit is configured to apply a gray scale voltage signal to the liquid crystal capacitor, when the selection unit determines to charge the liquid crystal capacitor, and an application duration of the gray scale voltage signal controls a gray scale level displayed by the liquid crystal capacitor. The reset unit is configured to disconnect the gray scale writing unit and the liquid crystal capacitor to stop charging the liquid crystal capacitor upon receiving the reset signal, and reset the voltage of the liquid crystal capacitor to an initial state.

Pixel circuit, display device and driving method

The present application discloses a display apparatus. The display apparatus includes a display panel having a plurality of subpixels; and an array of a plurality of micro light modulators on the display panel and configured to adaptively modulate display contrast of the display apparatus. Each of the plurality of micro light modulators is configured to adaptively modulate a light intensity of light emitted out of a light emitting side of the display panel in a region corresponding to each of the plurality of micro light modulators based on a luminance level of a current image displayed in the region.

Display apparatus, assembly for adaptively modulating display contrast of display apparatus, and method of adaptively modulating display contrast of display apparatus

The present disclosure relates to a touch detection circuit, a driving method thereof, an embedded touch panel, and a display device. A touch detection circuit includes: a magnetic sensing circuit, a voltage input circuit, a voltage storage circuit, a piezoelectric sensing structure, a bottom gate type driving transistor, and a data processing circuit; wherein, by the cooperation of the above circuits and structures, the touch detection circuit can not only support the magnetic touch function based on the electromagnetic induction principle, but also can support the pressure sensing touch function based on the pressure sensing technology, thereby integrating the magnetic touch detection circuit with the pressure sensing device and the pressure sensing detection circuit in one touch detection circuit, and it is possible to reduce the excessive space in the display device occupied by the pressure sensing device and the pressure sensing detection circuit.

Touch detection circuit and the method of driving the same

A touch panel, a display device and a touch detection method are provided. The touch panel includes a base substrate, a plurality of transmitter groups and a receiver. The base substrate has a touch surface configured to receive a touch operation, each of the plurality of transmitter groups includes a plurality of transmitters. The transmitters are configured to emit light, the receiver is configured to receive light emitted by the transmitters. the base substrate is configured to produces a deformation upon receiving the touch operation, the light received by the receiver corresponds to the deformation.

Touch panel being able to realize force touch and touch detection method thereof and display device

The present disclosure provides a touch circuit, a touch array circuit and a method for driving the same, and a display panel. The touch circuit includes: a first resistor, a second resistor, a control sub-circuit, a third resistor, a strain resistor and a Hall element. The first resistor is connected to a first scanning signal terminal, the control sub-circuit, the second resistor and the Hall element. The second resistor is further connected to a first level terminal and the third resistor. The control sub-circuit is further connected to the strain resistor and a second scanning signal terminal. The strain resistor is further connected to the third resistor and the Hall element. The Hall element is further connected to an inductive voltage output terminal.

Touch circuit, touch array circuit and method for driving the same, and display panel

A pixel circuit includes a light emitting device, a driving transistor for controlling a magnitude of a driving current supplied from a first power supply to the light emitting device in response to a potential at a first node, a storage capacitor for causing a change in the potential at the first node in response to a change in a potential at a second node, a first circuit for transmitting a voltage signal in a data line to the second node in response to a signal in a first scan line being active, a second circuit for bringing the driving transistor into a diode-connecting state in response to a signal in a second scan line being active, and a third circuit.

Pixel circuit, driving method thereof, array substrate and display device

A shift register and driving method therefore, and a display device are provided. The shift register includes: an input circuit; an output circuit; a reset circuit; a pull-down circuit; a pull-down control circuit; and a first noise reduction circuit. The first noise reduction circuit is coupled to a second input terminal of the shift register, a first input terminal, an output terminal and a first supply voltage terminal. The shift register can effectively reduce noise at the output terminal.

Shift register and driving method therefor, and display device

A circuit for powering off a liquid crystal panel, a peripheral drive device, and a liquid crystal panel. In the circuit for powering off a liquid crystal panel, a switch module is coupled to an enable signal transmission line, a common electrode and respective data lines of the liquid crystal panel, and is configured to be switched on upon receiving an enable signal, to connect the respective data lines to the common electrode. A peripheral drive device comprises: a reset signal generation module, a first, second and third control module, a data line drive module, a common electrode drive module, and a gate drive module. The reset signal generation module outputs a first reset signal when a driving voltage of a liquid crystal panel is less than a set value. The first control module outputs an enable signal in response to the first reset signal. The second control module drives the gate drive module to scan of gate lines for at least one frame in response to the first reset signal. The third control module, in response to the first reset signal, disconnects the common electrode drive module from the common electrode, disconnects the data line drive module from the data lines, and grounds the data lines and/or the common electrode. The embodiments of the present disclosure can efficiently reduce the start-up and power-off flicker drift of the liquid crystal panel.

Circuit for powering off a liquid crystal panel, peripheral drive device and liquid crystal panel

An array substrate and a magneto-optical switch display. The array substrate includes: a thin film transistor T, a coil connected with the thin film transistor, and a magneto-optic crystal interposed in the coil, the coil and the magneto-optic crystal constituting a magneto-optical switch structure, and the magneto-optical switch structure can change a transmission rate of emergent light transmitting through the array substrate.

Array substrate and magneto-optical switch display

Disclosed are a pixel circuit, a display panel and a display device. The pixel circuit includes driving circuits which are in one-to-one correspondence to data lines, each driving circuit being disposed in a peripheral area of a display panel; compensating circuits which are in one-to-one correspondence to gate lines, each compensating circuit being disposed in a peripheral area of the display panel; and light emitting devices. Each compensating circuit outputs a first reference signal or a second reference signal to the corresponding driving circuit. Each driving circuit drives a corresponding light emitting device to emit light through a signal from the corresponding compensating circuit and a data signal from the corresponding data line. The pixel circuit of the present disclosure can improve the aperture ratio of a pixel unit.

Pixel circuit, display panel and display device

The present disclosure discloses a scanning circuit for touch screen, touch screen and touch control method. The canning circuit for touch screen includes: a multiplexing circuit and a touch driving circuit coupled to the same, the touch driving circuit includes m signal input terminals, each of which is coupled to n receiving-electrode channels, and in an itime slot of a current scanning period, the multiplexing circuit controls the touch driving circuit to receive, through the m signal input terminals, output signals from m receiving-electrode channels, and determines a touch position according to an emitting-electrode channel corresponding to the current scanning period and the output signals of the m receiving-electrode channels, the current scanning period includes n time slots, i=1, 2, . . . n, and the output signals of the m receiving-electrode channels received by the touch driving circuit in each time slot are different.

Growing community of inventors

Beijing, China

Kan Zhang