Boe Technology Group Co., Ltd.

Beijing Boe Optoelectronics Technology Co., Ltd.

China Institute of Water Resources and Hydropower Research

Beijing Boe Display Technology Co., Ltd.

Beijing Boe Technology Development Co., Ltd.

Beijing Water Science and Technology Institute

Yellow River Conservancy Commission of the Ministry of Water Resources

Yifan Song

Wenchao Han

Wei Sun

Zhaohui Meng

Jing Liu

Wanzhi Chen

Xinle Wang

Xin Duan

Lianghao Zhang

Mingming Wang

Zhengri Lin

Rui Liu

Tiejun Liu

Denghua Yan

Baisha Weng

Tianling Qin

Yajing Lu

Wei Wang

Jiantao Liu

Xiaogang Wang

Jigang Sun

Lin Cong

Yilin Feng

Yu Wang

Jianying Guo

Jianan Yao

Rui Jiao

Yumei Tan

Xiaojie Yang

Yaru Feng

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

The present disclosure provides a field integrated device for automatically shielding and collecting rainwater and simulating rainfall and an experimental method. The field integrated device comprises a roller shutter assembly. A rainfall assembly and a rainwater collecting assembly are fixed on the roller shutter assembly. The roller shutter assembly guides rainwater into the rainwater collecting assembly while shielding the rainwater. The rainfall assembly is connected with a pumping assembly. The pumping assembly transports the rainwater to the rainfall assembly to realize artificial rainfall simulation. The pumping assembly is fixed in a solar module. The solar module is electrically connected with the pumping assembly and a driving assembly in the roller shutter assembly. The solar module is in signal connection with a remote signal end.

Field integrated device for automatically shielding and collecting rainwater and simulating rainfall and experimental method

The present disclosure provides a display control method and device, an image processing device and display apparatus, and belongs to the technical field of display. The display control method of the present disclosure includes: determining a data stream format according to data streams for the tframe of image; determining a dynamic region and image data thereof from the data streams for the tframe of image when the data stream format is a regional transmission format; and transmitting the image data for the dynamic region and/or the image data for the (t−1)frame of image in the buffer space to the display assembly according to the end-of-transmission identifier in the data streams for the tframe of image and the configuration command of the tframe of image, so that the display assembly refreshes the display image.

Display control method and device, image processing device and display apparatus

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

The present disclosure provides a luminous flux test circuitry, a test method and a display panel. The luminous flux test circuitry includes two test sub-circuitries, a control sub-circuitry and a light-shielding pattern. Each test sub-circuitry includes N photosensitive transistors; an output end of each photosensitive transistor in a first test sub-circuitry is coupled to a first input end of the control sub-circuitry; an output end of each photosensitive transistor in a second test sub-circuitry is coupled to a second input end of the control sub-circuitry; the light-shielding pattern covers the photosensitive transistors in the second test sub-circuitry; at a sampling stage, the photosensitive transistors in each test sub-circuitry are in a reverse bias state; and the control sub-circuitry is configured to determine a luminous flux detected by the photosensitive transistors in the first test sub-circuitry in accordance with a leakage current generated by the photosensitive transistors in each test sub-circuitry.

Luminous flux test circuitry, test method and display panel

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

In the backlight control circuit; a luminous flux sensing sub-circuit senses luminous flux of a display device, obtains and outputs a first control signal from a first control signal output terminal; a control sub-circuit includes N control units each including a first/second sub-unit; the first sub-unit connects or disconnects an output terminal of the second sub-unit and the backlight control signal output terminal under the control of the first control signal, the second sub-unit connects or disconnects a signal input terminal and the output terminal of the second sub-unit under the control of the second control signal; the N second control signal output terminals provide effective second control signals in a time division manner; conduction thresholds corresponding to the N first sub-units increase sequentially, and when a corresponding relationship between the first control signal and the conduction threshold is met, the first transistor is turned on.

Backlight control circuit, control method thereof and display device

A field condition-based experimental apparatus for an ecological indicator of vegetation includes a plurality of isolation units arranged at intervals and an auxiliary mechanism detachably connected to the isolation unit. The isolation units include a plurality of isolation boxes arranged at intervals and respectively having a hollow structure, and a support frame respectively disposed at four corners of the isolation box. The auxiliary mechanism is detachably connected to the support frame. A soil layer is disposed in the isolation box. The experimental apparatus has a reliable structure and is easy to use. An appropriate number of isolation units are buried under field conditions based on experimental needs. Auxiliary mechanisms of different structures are mounted based on experimental conditions. This implements reliable detection of an ecological indicator of vegetation under the field conditions and effectively improves authenticity and reliability of detection results. The auxiliary mechanism facilitates disassembly and assembly.

Field condition-based experimental apparatus and method for ecological indicator of vegetation

A method for driving a display panel is disclosed. The display panel includes a plurality of sub-pixels arranged in an array, a plurality of data input ports, a plurality of groups of data lines, and a plurality of groups of selection switches, wherein each group of data lines includes a plurality of data lines coupled to the same data input port through a plurality of selection switches in a corresponding group of selection switches. The method includes: sequentially turning on a plurality of selection switches according to a first sequence when an Mrow of sub-pixels of the display panel is scanned; and sequentially turning on the plurality of selection switches according to a second sequence when an (M+1)row of sub-pixels of the display panel is scanned, wherein M is a positive integer greater than or equal to 1, and the first sequence is different from the second sequence.

Method for driving display panel and computer readable storage medium

An array substrate, a display panel and a driving method thereof, and a display device are provided. The array substrate includes a plurality of pixel units arranged in an array, each of the plurality of pixel units includes at least four sub-pixel units corresponding to different colors. When the array substrate displays a frame of image, in each row of pixel units, polarities of pixel voltages received by two sub-pixel units corresponding to the same color in adjacent two pixel units are different; a polarity of each pixel voltage represents the magnitude of each pixel voltage relative to a common voltage.

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

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Beijing, China

Yifan Song