Beijing Boe Optoelectronics Technology Co., Ltd.

Boe Technology Group Co., Ltd.

Beijing Boe Technology Development Co., Ltd.

Anton Bailin Oilfield Technology (beijing) Co., Ltd

Beijing Hyperstrong Technology Co., Ltd.

Crsc Research & Design Institute Group Co., Ltd.

Hailong Wang

Dawei Feng

Yu Xin Zhao

Yanchen Li

Wang Guo

Jian Wang

Dong Wang

Xiaojuan Wu

Yu Zhao

Xian Wang

Jinyu Li

Yue Li

Feng Qu

Jiantao Liu

Chuncheng Che

Lei Wang

Guang Yang

Peizhi Cai

Lei Shi

Wei Zhou

Hongliang Yuan

Yue Geng

Qi Zheng

Fengchun Pang

Jiaxing Wang

Biqi Li

Yao Bi

Xiaodong Liu

Yang Ge

Jianwei Ma

Mingyang Lv

Huairui Yue

Le Gu

Hao Yan

Xuan Zhong

Nan Zhao

Yuelei Xiao

Haobo Fang

Yingying Zhao

Hui Liao

Chunnan Feng

Haochen Cui

Chao Sun

Rong Zhou

Lanjun Guo

Bailin Pei

Weiwei Guo

Zhen Liu

Yimin Wang

Songmei Zhang

Xianwei Sui

Mengmeng Ma

Guojiang Feng

Qiangqiang Liu

Xiangchun Cheng

Feng Ye

Lin Zuo

Yaqian Huang

Qingyao Meng

Qi Ao

Binbin Huang

Lixiong Zhu

Longlong He

Jianhua Niu

The present application provides a chip communication circuit, method and apparatus based on automatic clock synchronization. The method includes: determining clock synchronization information of a first battery management chip in response to a received control instruction; replacing a chip selection enable signal in the control instruction with a clock synchronization signal carrying the clock synchronization information of the first battery management chip to obtain a new control instruction; and transmitting the new control instruction to other battery management chips, so that the other battery management chips perform automatic clock synchronization based on the clock synchronization information carried in the new control instruction; where the other battery management chips are battery management chips among the multiple battery management chips except for the first battery management chip, and a daisy chain with a sinusoidal sawtooth waveform is used for isolated communication between different battery management chips.

Chip communication circuit, method, and apparatus based on automatic clock synchronization

There is provided a display substrate having a display region, and a peripheral region surrounding the display region, and including: a base substrate; first conductive structures in the display region and the peripheral region; the first conductive structures each extend in a first direction and are arranged side by side in a second direction; an interlayer insulation layer on a side of the first conductive structures away from the base substrate; second conductive structures on a side of the interlayer insulation layer away from the base substrate; the second conductive structures each extend in the second direction and are arranged side by side in the first direction; the second conductive structures intersect with the first conductive structures, and are electrically connected with the first conductive structures through vias in the interlayer insulation layer; and at least one third conductive structure in the display region. A display apparatus is provided.

Display substrate and display apparatus

Provided is a liquid crystal handwriting board. The liquid crystal handwriting board includes: a liquid crystal panel, and a drive assembly electrically connected to the liquid crystal panel; wherein the liquid crystal panel includes: a first substrate and a second substrate that are opposite to each other, and a liquid crystal layer disposed between the first substrate and the second substrate; and the drive assembly is configured to apply, based on position information of a region to be erased, a pixel voltage to a pixel electrode in the region to be erased in the case that the liquid crystal handwriting board is in an erasing mode, such that a voltage difference is developed between the pixel electrode in the region to be erased and the common electrode.

Liquid crystal handwriting board, handwriting device, and method for controlling handwriting device

A method for filling an oil and gas well of a fractured oil and gas reservoir with pack-off particles to reduce water and increase oil production comprises the following steps: (1) injecting a filling liquid carrying pack-off particles into a wellbore and a fracture via a wellhead, until a stratum crack/fracture extension pressure is reached or exceeded, or until an injection amount per unit injection pressure is close to zero, or until a preset filling amount of pack-off particles is reached; (2) launching production.

Method for filling oil-gas well of fractured oil-gas reservoir with isolation particles to reduce water and increase oil production

The present disclosure relates to an array substrate, a liquid crystal display panel and a display device. The array substrate includes a base substrate on which a gate metal layer and a source-drain metal layer are stacked in sequence. The gate metal layer includes a plurality of independent gate lines and a plurality of independent dummy gates, the source-drain metal layer includes a plurality of independent data lines and a plurality of independent dummy drains. The dummy gate includes a main body portion in a pixel region defined by a gate line and a data line and a lead-out portion; and the dummy drains are in pixel regions, and the dummy drain in the pixel region includes a first subsection overlapping with the main body portion and a second subsection not overlapping with the main body portion.

Array substrate, liquid crystal display panel and display device

A digital microfluidic chip and a digital microfluidic system. The digital microfluidic chip comprises: an upper substrate and a lower substrate arranged opposite to each other; multiple driving circuits and multiple addressing circuits disposed between the lower substrate and the upper substrate; and a control circuit, electrically connected to the driving circuits and the addressing circuits. The control circuit is configured to apply, in a driving stage, a driving voltage to each driving circuit, such that a droplet is controlled to move inside a droplet accommodation space according to a set path, measure, in a detection stage, after a bias voltage is applied to each addressing circuit, a charge loss amount of each addressing circuit, and to determine the position of the droplet according to the charge loss amount. The charge loss amount of each addressing circuit is related to the intensity of received external light.

Digital microfluidic chip and digital microfluidic system

A pixel circuit, a driving method thereof, an array substrate, and a display device are provided. The pixel circuit includes signal inputting sub-circuit, signal reading sub-circuit, and photosensitive element. The signal inputting sub-circuit is configured to: under control of inputting control terminal, turn on coupling between signal inputting terminal and first terminal of photosensitive element in signal writing period, and turn off coupling between signal inputting terminal and first terminal of photosensitive element in exposure period and signal reading period. The signal reading sub-circuit is configured to: under control of reading control terminal, turn off coupling between first terminal of photosensitive element and signal reading terminal in signal writing period and exposure period, and turn on coupling between first terminal of photosensitive element and signal reading terminal in signal reading period. Second terminal of photosensitive element is coupled to common electrode signal inputting terminal.

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

A light valve panel and a manufacturing method thereof, a three-dimensional printing system, and a three-dimensional printing method are disclosed. The light valve panel includes a first light valve array substrate and at least one second light valve array substrate, the first light valve array substrate and the at least one second light valve array substrate are arranged in a stack; the first light valve array substrate includes a plurality of first pixel units arranged in an array, and the second light valve array substrate includes a plurality of second pixel units arranged in an array; and an orthographic projection of at least one of the second pixel units on the first light valve array substrate partially overlaps with at least one of the first pixel units.

Light valve panel and manufacturing method thereof, three-dimensional printing system and method

The disclosure relates to a pixel circuit, a method for driving method, a display panel, and a display device. The pixel circuit includes: a scan control circuit, a latch circuit, a charging control circuit, and a pixel electrode; the scan control circuit is configured to output a data signal to a first node in response to a gate scan signal; the latch circuit is configured to latch signals of the first node and a second node response to a signal of the first node; and the charging control circuit is configured to output a first display voltage signal to the pixel electrode in response to the signal of the first node and a charging control signal, and to output a second display voltage signal to the pixel electrode in response to the signal of the second node and the charging control signal.

Pixel circuit, method for driving method, display panel, and display device

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Beijing, China

Hailong Wang