Boe Technology Group Co., Ltd.

Beijing Boe Optoelectronics Technology Co., Ltd.

Beijing Boe Display Technology Co., Ltd.

Beijing Boe Technology Development Co., Ltd.

Xinle Wang

Wenchao Han

Zhaohui Meng

Wei Sun

Lianghao Zhang

Yilin Feng

Jing Liu

Wanzhi Chen

Yifan Song

Xin Duan

Mingming Wang

Zhengri Lin

Rui Liu

Xiaoyang Shen

Jiantao Liu

Li Tian

Guangquan Wang

Yan Yang

Disclosed in embodiments of the present disclosure are an analog-to-digital conversion circuit, an integrated chip, a display device, and an analog-to-digital conversion method. A first conversion circuit converts an original analog signal to obtain a digital signal of a first bit width; a voltage division circuit performs voltage division on a first-level analog signal to obtain a second-level analog signal, the first-level analog signal being an original analog signal or a second-level analog signal obtained by a previous voltage division circuit adjacent to the voltage division circuit; a second conversion circuit converts the received second-level analog signal according to a preset algorithm to obtain a second digital signal of a second bit width; and a control calculation circuit obtains a target digital signal of a third bit width according to the first digital signal and the second digital signal.

Analog-to-digital conversion circuit, integrated chip, display device, and analog-to-digital conversion method

Disclosed are a brightness control apparatus and method, and a display apparatus. The brightness control apparatus includes an optical detection circuit and an integrated circuit chip connected with the optical detection circuit. The optical detection circuit includes at least one transistor, configured to detect a light intensity of light to be detected corresponding to an environment where a display panel is located, and generate an electrical signal corresponding to the light intensity of the light to be detected.

Brightness control apparatus and method, and display apparatus

A sampling circuit, including a voltage divider circuit, a switch circuit and a comparator circuit; wherein first terminals of resistance voltage divider sub-circuits in the voltage divider circuit are electrically connected to voltage division output terminals, respectively, and the resistance voltage divider sub-circuits are configured to perform resistance voltage division processing according to the voltages at first and second input terminals and write divided voltages to the voltage division output terminals, respectively; the voltage division output terminals are electrically connected to the third input terminal through corresponding switch sub-circuits in the switch circuit, respectively, and each switch sub-circuit is configured to control connection/disconnection between a corresponding voltage division output terminal and the third input terminal; the comparator circuit is electrically connected to the sampling output terminal, and is configured to compare voltages at the third and fourth input terminals and provide comparison results to the sampling output terminal.

Sampling circuit, optical detection system, display apparatus and sampling method

There is provided a detection circuit, a display panel and a detection method. The detection circuit includes: a conversion circuit configured to acquire a photoelectric sensing signal in real time and convert the acquired photoelectric sensing signal into a luminance value; a storage circuit configured to store N luminance values from the conversion circuit on a first input first output basis; a discrimination circuit connected to the storage circuit and configured to determine whether at least two of the N luminance values meet a preset condition; and an output circuit connected to the discrimination circuit and the storage circuit, and configured to output a preset default luminance value in response to the at least two luminance values meeting the preset condition and output at least one of the N luminance values in response to the at least two luminance values not meeting the preset condition.

Detection circuit for detecting luminance of ambient light, display panel, and detection method

A display substrate includes a base substrate, a plurality of photosensitive transistor units, a plurality of photosensitive ESD protection units, and at least one common signal line. The base substrate includes a display region, a peripheral region located at a periphery of the display region, and a binding region located at a side of the display region. The plurality of photosensitive transistor units, the plurality of photosensitive ESD protection units and the at least one common signal line are located in the peripheral region. The plurality of photosensitive transistor units is connected with binding pins in the binding region through a plurality of signal lines. At least one photosensitive ESD protection unit is connected with, and located between, at least one signal line and the common signal line.

Display substrate, display device and compensation method thereof

The present disclosure provides a charging circuitry, a display device, a wearable device, a display driving method and a display driving device. The charging circuitry includes: a driving sub-circuitry configured to receive an image signal and convert the image signal into a display driving signal to be outputted to a data line of the array substrate; a circuitry power supply voltage end configured to apply a direct current voltage to the driving sub-circuitry; and a switch sub-circuitry arranged on a connection circuitry between the circuitry power supply voltage end and the driving sub-circuitry, and configured to be switched between a first state where the circuitry power supply voltage end is electrically coupled to the driving sub-circuitry and a second state where the circuitry power supply voltage end is electrically decoupled from the driving sub-circuitry.

Charging circuitry, display device, wearable device, and display driving method and device

A driving method, a driving circuit and a touch-display apparatus are provided. The driving method includes providing a gate driving signal to a gate line, providing a pixel voltage to a data line, and providing a common electrode driving signal to a common electrode, wherein a pixel display operation is performed based on the gate driving signal, the pixel voltage, and the common electrode driving signal, and simultaneously, a touch detection operation is performed based on the common electrode driving signal. The driving method realizes the effect of simultaneously performing a pixel display operation and a touch detection operation, and solves the problem that the pixel display operation of the touch-display apparatus is affected in the touch detection stage.

Driving method, driving circuit and touch-display apparatus

A stylus pen that includes a tip electrode, a power supply circuit, a signal detector, and a drive circuit where an output signal is transmitted to and an input signal is received from a touch panel via the tip electrode. The power supply circuit of the stylus pen selectively supplies a first supply voltage or a second supply voltage. The signal detector of the stylus pen detects an enable signal from the input signal and the signal detector of the stylus pen controls the power supply circuit to supply the first supply voltage in response to presence of the enable signal. The drive circuit operates at the first supply voltage to generate the output signal.

Stylus pen, touch panel, touch sensing system and operating method thereof

An anti-peeping circuit for a display panel, a driving method thereof, and a display device. The anti-peeping circuit includes a waveform generator. The waveform generator is connected to an anti-peeping electrode of the display panel, and the waveform generator is configured to generate an anti-peeping signal and output the anti-peeping signal to the anti-peeping electrode of the display panel.

Growing community of inventors

Beijing, China

Xinle Wang