Boe Technology Group Co., Ltd.

Fuzhou Boe Optoelectronics Technology Co., Ltd.

International Business Machines Corporation

Hefei Sway Chip Information Technology Inc.

General Electric Company

Beijing Jingdong Century Trading Co., Ltd.

Boe Optical Science and Technology Co., Ltd.

Beijing Wodong Tianjun Information Technology Co., Ltd.

Beijing Cotimes Biotech Co. Ltd.

Beijing Cotimes Biotech Ltd.

Min Zhou

Yao Liu

Jin Wang

Hao Cheng

Zongxiang Li

Wenchang Tao

Jiamin Liao

Zuwen Liu

Changhong Shi

Xinmao Qiu

Zihua Zhuang

Yaochao Lv

Guichun Hong

Xi Chen

Zhendian Wu

Linlin Lin

Ruimin Liu

Junling Xiang

Li Ni Zhang

Dong Chen

Ling Chen

Yawen Huang

Zheng Yu

Hongjiang Wu

Hong Cai

Hailiang Liu

Yanfei Chi

Enyun Shen

Jingguang Zhu

Jiantao Lin

Bo Gao

Zhi Hu Wang

Jing Lv

Ke Zhang

Heng Wang

Li Li Ma

Wei Gong

Yang Song

Chang Jie Guo

Fei Guo

Sen Wang

Xin Sheng Mao

Jun Cai

Liya Fan

Wen Hao An

Zhixiao Yao

Shang Gao

Cong Zhang

Dahai Li

Wen Zha

Hai Hong Xu

Jie Peng

Chunlai Zhang

Lin Quan Jiang

Yefu Li

Xiao Hua Shen

Shuang Chi

Wenrong Pan

Xianzhao Jia

A detection method and apparatus. The detection method includes: performing static stain analysis on an application to be tested to obtain at least one static stain propagation path, each static stain propagation path including a source interface identifier and a destination interface identifier; performing static analysis on the application to obtain the static analysis result; performing dynamic behavior analysis on the application to obtain the dynamic behavior analysis result; obtaining communication flow data throughout the life cycle of the application; taking sensitive information and the category of sensitive information corresponding to the communication URL as the flow analysis result; and fusing the static analysis result, the dynamic behavior analysis result, and the flow analysis result to obtain the detection result.

Detection method and apparatus, and non-transitory computer readable storage medium

A method and device of data transmission, applied to a distributed database is provided including a plurality of nodes, with accelerator cards provided in at least two of the nodes, the high-speed interfaces of each the accelerator card is interconnected to form a data transmission path, the method including: when the accelerator card receives a database operation command from the CPU of the node requesting access to the target data, generating a data request based on the get data operation or the modify data operation; the accelerator card detects hit the target data in the cache based on the data request, the accelerator card fetches the target data from the cache; otherwise the accelerator card sends a data request message corresponding to the data request to a distant destination node via the data transmission path, and obtains the target data based on the data packet returned from the destination node.

Method and device of data transmission

A method and device for storing data in a distributed database according to a row storage mode and a column storage mode, respectively, the method including: when a change is detected in the data in the row storage mode, obtaining the target row data that has changed based on a preset synchronization policy; determining the number of original data copies and the number of redundant data copies based on the attribute information and the number of failure-resistant nodes of the target row in which the target row data is located; coding the target row data in accordance with a predetermined corrective coding algorithm based on the number of original data copies and the number of redundant data copies, generating coded data; and distributing each copy of the coded data equally by column or group of columns to different nodes in the distributed database for storage.

Method and device for storing data in a distributed database

A method and device for accelerating database operation, applied to a database connected with a hardware accelerator is provided, the method includes: when receiving an initial execution plan tree sent by the database that needs to be accelerated, processing the initial execution plan tree and generating a new execution plan tree and a new execution cost based on the basic operation and accelerated resource supported by the hardware accelerator; if the new execution cost of the new execution plan tree is less than the initial execution cost of the initial execution plan tree, distributing the new execution plan tree to the hardware accelerator for execution based on the organization approach and the operation approach of the hardware accelerator; the execution result returned by the hardware accelerator to complete the accelerated operation of the database operation; determining the result data after the hardware accelerator accelerates the database operation based on the execution results returned by the hardware accelerator, so that the execution plan tree of the database matches the execution function and capability of the hardware accelerator that performs the acceleration and maintains a reasonable complexity.

Method and device for accelerating database operation

A system and method for hierarchical database operation accelerator for scaling a single node database with a plurality of accelerator cards is provided, including: a host, receiving a query plan, generating a corresponding query operation and distributing them, receiving and processing aggregated execution results; a hierarchy accelerator module, which is connected to the host, receiving the query operation distributed and returning the aggregated execution results; the hierarchy accelerator module comprises a master accelerator card and at least one slave accelerator card, the slave accelerator card returns the execution results to the master accelerator card, by the master accelerator card completes the subsequent query operation which is aggregated and assigned by the execution results, returning the aggregated execution results to the host; the accelerator system having a multi-level storage architecture of accelerator chip on-chip cache, the accelerator card memory, the accelerator card storage, and the host-side storage.

System and method for hierarchical database operation accelerator

The grating substrate includes a first base substrate and a plurality of grating units on the first base substrate. The grating unit includes two control layers, a barrier structure between the two control layers, and a plurality of movable particles in a closed cavity surrounded by the barrier structure and the two control layers. The two control layers include a first control layer and a second control layer. The first control layer is located on a side of the second control layer distal from the first base substrate, and the two control layers are configured to control movement of the plurality of particles. The particles satisfy at least one of the following conditions: the particles have a refractive index smaller than a refractive index of the first control layer, or the particles are non-transparent particles.

Grating substrate, display substrate, display device and display method thereof

The present disclosure provides a method for compensating a common voltage. The method for compensating a common voltage includes: generating a feedback signal by acquiring a real-time monitoring result of a feedback signal line on the common voltage, the feedback signal including a plurality of time periods, each of the time periods including a first sub-period in which the feedback signal is interfered by the periodic signal and a second sub-period in which the feedback signal is not interfered by the periodic signal; processing the feedback signal to eliminate distortion of the feedback signal caused by interference of the periodic signal in the first sub-period; and compensating for the common voltage according to the feedback signal.

Method and device for compensating common voltage, and display device

A display panel includes a plurality of sub-pixels. At least one sub-pixel of the plurality of sub-pixels includes a first electrode, a light modulation structure disposed on a side of the first electrode, and a second electrode disposed at a side of the light modulation structure away from the first electrode. The light modulation structure includes a refractive index adjustment layer, and a light modulation layer disposed between the refractive index adjustment layer and the first electrode. A refractive index of the refractive index adjustment layer is changed under action of an electric field between the first electrode and the second electrode. The light modulation layer is in contact with the refractive index adjustment layer, and at least a part of a surface of the light modulation layer that is in contact with the refractive index adjustment layer is a curved face.

Display panel and driving method thereof, and display system

The present disclosure relates to a display substrate. The display substrate may include a base substrate, a light filtering layer on the base substrate, a plurality of light blocking grooves in the light filtering layer, and a plurality of light blocking strips in the plurality of light blocking grooves respectively. The plurality of light blocking strips may be configured to block light from viewing angles outside a visible range of the display substrate.

Display substrate, fabricating method thereof, and display apparatus

Provided are a display panel and a driving method thereof. The display panel includes an array substrate, the display panel including a display region and a peripheral region. In the peripheral region, a common voltage wiring, a voltage feedback wiring, a periodic signal wiring, and a decoupling wiring are disposed on the array substrate at intervals; the common voltage wiring is configured to transmit a common voltage signal for display to a pixel array in the display region, the voltage feedback wiring is configured to transmit a voltage feedback signal for monitoring changes in the common voltage signal, the periodic signal wiring is configured to provide the pixel array with a periodic signal for display, the decoupling wiring is located between the periodic signal wiring and the voltage feedback wiring, and is configured to transmit a decoupling signal for reducing coupling distortion of the voltage feedback signal.

Display panel and driving method for driving the display panel

A gate driving circuit and a control method thereof, a display panel, and a display device are provided. The gate driving circuit includes multiple stages of shift register units and a shutdown discharge circuit. The shutdown discharge circuit includes a first discharge circuit. The first discharge circuit is electrically connected to a pull-up node and a discharge voltage terminal, and is configured to control the pull-up node to be electrically connected to the discharge voltage terminal under the control of a first control signal provided by a first control signal terminal.

Display device having gate driving circuit with a discharge circuit and control method thereof

A detection panel and a manufacturing method of the same are provided. The detection panel includes: a photosensitive element configured to sense a first light beam incident to the photosensitive element to generate a photosensitive signal; a drive circuit configured to be coupled to the photosensitive element to acquire the photosensitive signal from the photosensitive element, the drive circuit including a switch element; and a reflective grating which is on a side of the drive circuit where the first light beam is incident, and is configured to reflect at least a portion of the first light beam incident toward the switch element.

Detection panel and manufacturing method thereof

A method and system for improving a data storage system is provided. The method includes extracting original data storage attributes from metadata comprised by data for storage within a hardware storage system. Additional data storage attributes associated with current storage requirements of the data are retrieved and merged with the original data storage attributes resulting in a group of combined data storage attributes. An attribute matrix categorizing attribute types each attribute is generated. A digital tag defining the attribute matrix is generated and attached to the metadata. Data storage tier definitions and associated tier attributes are received and associated with the digital tag. Resulting specified tiers of the hardware storage system a defined for storage of specified portions of the data and each portion of data is stored within an associated tier.

Automated hardware device storage tiering

An optical detection sensor is disclosed. The optical detection sensor includes a converter configured to receive non-visible light, convert the non-visible light into visible light, and emit the visible light; and a visible light solid-state image sensor. The converter is located on a light incident side of the visible light solid-state image sensor, and the visible light solid-state image sensor is configured to receive the visible light to generate an electron flow, convert information of the electron flow into data information, and output the data information.

Optical detection sensor

Provided are a cooling system with no refrigeration machine for an X-ray detector, and an X-ray imaging system using the system. The cooling system for an X-ray detector comprises: a cooling pipeline positioned on an X-ray detector; and a coolant transfer pipeline positioned at least partially in a support device of the X-ray detector and connected with the cooling pipeline to form a circulation loop, the circulation loop being provided with a circulating coolant therein. On the basis of the existing X-ray photography system, the configuration of a refrigeration machine can be removed from the cooling system, and the cooling of the detector can be realized with as few changes as possible, while meeting the temperature requirements of the normal operation of the detector and reducing costs.

X-ray detector cooling system and X-ray imaging system

Growing community of inventors

Beijing, China

Min Zhou