Boe Technology Group Co., Ltd.

Beijing Boe Technology Development Co., Ltd.

Zongmin Liu

Mengjun Hou

Feng Qu

Jijing Huang

Biqi Li

Wei Li

Xichao Fan

Junwei Guo

Liye Duan

Qiong Wu

Yali Wang

Dawei Tang

Long Wang

Dongdong Zhang

Zhiming Yang

Jia Fang

Yao Lu

Tuo Sun

Shuo Zhang

Yanzhao Li

Li Li Ma

Qianhong Wu

Chunxin Li

Zhiliang Wang

Zijian Zhao

Xiyuan Wang

Yidan Peng

Nanfang Jia

Kai Geng

Yongming Shi

Youxue Wang

Chuqian Zhong

Xiangguo Ma

Jiawen Zhang

An array antenna includes M number of first array elements, N number of second array elements, at least one first link and at least one second link, where M≥2, and/or N≥2, and both of M and N are positive integers; where in a case where M≥2, at least two of the M number of first array elements are connected to corresponding first switch units, respectively; and at least two of the first array elements electrically connected to the first switch units are electrically connected to a same first link; and/or in a case where N≥2, at least two of the N number of second array elements are connected to corresponding second switch units, respectively; and at least two of the second array elements electrically connected to the second switch units are electrically connected to a same second link.

Array antenna and man-machine interaction apparatus

A liquid crystal antenna and a communication device. The liquid crystal antenna includes: a first substrate; a second substrate; a plurality of antenna structures; a grounding electrode located on the side of the second substrate away from the antenna structures; each antenna structure includes a first microstrip line, a second microstrip line, and a liquid crystal layer, the first microstrip line includes first sub-microstrip lines and second sub-microstrip lines connected to the first sub-microstrip lines, the second microstrip line includes third sub-microstrip lines and fourth sub-microstrip lines connected to the third sub-microstrip lines, the first sub-microstrip lines and the third sub-microstrip lines all extend in a first direction and is arranged in a second direction, the orthographic projection of the liquid crystal layer covers at least part of the area of the orthographic projection of the first sub-microstrip lines and the orthographic projection of the plurality of third sub-microstrip lines.

Liquid crystal antenna and communication device

The present disclosure provides a phase shifter, a driving method for the phase shifter, and an antenna system, and belongs to the field of communication technologies. The present disclosure provides a phase shifter, including: a control module, a digital-to-analog conversion module and a phase shift structure; the control module is configured to generate a plurality of correction signals according to phase shift degrees of the phase shift structure; the digital-to-analog conversion module is configured to generate a driving signal according to the correction signals; and the phase shift structure is configured to shift a phase of a microwave signal passing therethrough according to the driving signal.

Phase shifter, driving method for the phase shifter and antenna system

A chip loading structure, an analysis device and an analysis system are provided. The chip loading structure includes a loading plate body having therein an accommodating space adapted to accommodate a detection chip; a first hollow area and at least one second hollow area, which penetrate to the accommodating space, are disposed on a first plate surface of the loading plate body, the first hollow area being configured to expose a reaction observation area of the detection chip, the at least one second hollow area being configured to expose at least one reagent port of the detection chip; the loading plate body is further provided with a connection portion which is detachably connectable to a transportation section in an analysis device, the transportation section being configured to transport the loading plate body.

Chip loading structure, analysis device, and analysis system

A drive control circuit, including: a feedback detection circuit configured to, when a target object presses on a haptic feedback panel, process an initial voltage signal of each of at least one haptic detection piezoelectric device, and output a detection signal corresponding to each of the at least one haptic detection piezoelectric device; a data processing circuit configured to receive the detection signal corresponding to each of the at least one haptic detection piezoelectric device, and output a drive enable signal according to the detection signal corresponding to each of the at least one haptic detection piezoelectric device and a set threshold; and a feedback drive circuit configured to receive the drive enable signal, and output a drive control signal to the at least one haptic drive piezoelectric device according to the drive enable signal.

Drive control circuit, driving method thereof, and haptic feedback apparatus

Device and method controlling for an antenna, an antenna system and a computing control device are provided. The antenna includes multiple antenna array elements and multiple phase shifters for calibrating phases of the multiple antenna array elements. The device includes a temperature sensor, a positioning unit and a computing control unit, the temperature sensor is configured to obtain temperature information of the antenna and output it to the computing control unit; the positioning unit is configured to obtain position information of the antenna and output it to the computing control unit; the computing control unit is configured to receive the position information and temperature information of the antenna, determine position information of a satellite, and control the phase shifters to adjust phases of the multiple antenna array elements according to the position information the temperature information of the antenna, the position information of the satellite and pre-stored calibration data.

Control device for antenna, control method for antenna, antenna system and computing control device

A display apparatus and an electronic device are provided, and belong to the field of display technology. The display apparatus includes a display module and a plurality of antenna units integrated on the display module. The display module includes a first substrate and a second substrate opposite to each other and a liquid crystal layer between the first substrate and the second substrate; each antenna unit includes a first radiation portion and a first reference electrode opposite to each other; the first radiation portion is on a light outgoing side of the display module; and the first substrate includes a first base substrate and a driving layer on a side of the first base substrate close to the liquid crystal layer; and the driving layer is also used as the first reference electrode of each antenna unit.

Display apparatus and electronic device

The present disclosure provides an interactive control apparatus and an interactive system. The interactive control apparatus includes: an antenna array configured to transmit a radar signal and receive a reflected echo signal; a data processing assembly configured to determine, according to the radar signal and the echo signal, a body action and a corresponding control instruction, and output the control instruction to a terminal device; and a display assembly configured to display the determined body action and/or control instruction.

Interactive control apparatus and interactive system

Provided are an ultrasonic imaging method and device, and a storage medium. The ultrasonic imaging method includes: acquiring an ultrasonic echo signal; segmenting the ultrasonic echo signal into a first predetermined number of sub-echo signals according to scan depths; performing amplitude apodization on each sub-echo signal with a predetermined window function to obtain processed sub-echo signals; completing ultrasonic imaging according to the processed sub-echo signals. At least one sub-echo signal is subjected to the follow processing: segmenting the at least one sub-echo signal into a second predetermined number of unit echo signals according to the scan depths, and assigning a weighting coefficient to each unit echo signal; performing amplitude apodization on each unit echo signal with the corresponding predetermined window function, and weighting the unit echo signals with corresponding weighting coefficients to obtain processed unit echo signals; and forming a processed sub-echo signal from the processed unit echo signals.

Ultrasonic imaging method and device, and storage medium

Provided are a phase shifter, a driving method therefor and an antenna. The phase shifter includes a first substrate and a second substrate, which are disposed opposite to each other, and a first dielectric layer disposed therebetween; the first substrate includes: a first base, and a first reference electrode layer disposed on a side of the first base close to the first dielectric layer, and including first reference electrodes insulated and spaced apart from one another and each having a first opening; the second substrate includes a second base, first transmission lines on the second base and spaced apart from one another; the first transmission lines are in one-to-one correspondence with the first reference electrodes; an orthographic projection of a first transmission end of each first transmission line on the second base at least partially overlaps that of the first opening corresponding thereto on the second base.

Phase shifter, driving method therefor, and antenna

The disclosure provides a phase shifter, a manufacturing method thereof and an antenna, and belongs to the field of communication technology. The phase shifter includes a first substrate; a signal line and reference lines on the first substrate; a first insulating layer on the signal line; a plurality of electrode film bridges on a side of the first insulating layer distal to the signal line; and a first transmission structure on the first insulating layer and electrically connected to the signal line; and an orthographic projection of the first transmission structure on the first substrate is not overlapped with an orthographic projection of the plurality of electrode film bridges on the first substrate.

Phase shifter, manufacturing method thereof and antenna

A calibration system and a calibration method for a phased-array antenna are provided. The calibration system includes a receiving probe, a parameter tester, an upper computer and a beam controller. The receiving probe may acquire a beam signal, which is radiated by a to-be-tested phased-array antenna according to a provided microwave signal, at a preset position. The parameter tester may generate a test parameter according to the microwave signal and the beam signal. The upper computer may determine whether the to-be-tested phased-array antenna meets a preset index according to the test parameter, and in a case where the to-be-tested phased-array antenna does not meet the preset index, calculate the test parameter according to a genetic algorithm to generate optimized beam control data. The beam controller may generate a control voltage according to the optimized beam control data, and transmit the control voltage to the to-be-tested phased-array antenna.

Calibration system and calibration method for phased-array antenna

The present disclosure provides a connection pad and a substrate, and belongs to the field of display technology. The connection pad of the present disclosure includes a plurality of sub-pads and a first connection portion, wherein the plurality of sub-pads are spaced apart from each other and electrically connected through the first connecting portion. The connection pads in the embodiment of the present disclosure are formed by connecting the sub-pads through the first connection portion, that is, a certain gap exists between the sub-pads.

Connection pad and substrate

The present disclosure provides an acoustic wave transducer and a driving method thereof. The acoustic wave transducer includes cell groups, at least part of which each include acoustic wave transducer cells configured to perform a same operation, each acoustic wave transducer cell being configured to perform at least one of: converting an acoustic wave signal into an electrical signal and converting an electrical signal into an acoustic wave signal; and array element signal terminals, each of which is coupled to at least two adjacent cell groups, and is coupled to different cell groups through different switch devices, each switch device being configured to control connection and disconnection between the array element signal terminal and the cell group coupled to the switch device, and the cell groups coupled to an array element signal terminal and the cell groups coupled to an adjacent array element signal terminal are partly the same.

Acoustic wave transducer and driving method thereof

A display panel and a driving method thereof, and a display device are provided. The display panel includes a first display region, a second display region, and a control device. The first display region is on a side of the second display region, and the second display region includes N display sub-regions; and the control device is connected to the first display region and the second display region, respectively, and configured to control display of the first display region and display of the second display region in i time intervals within one frame period, and sequentially control the display of the first display region and display of an i-th display sub-region in the second display region in an i-th time interval, wherein 1≤i≤N, and N is a positive integer greater than or equal to 3.

Growing community of inventors

Beijing, China

Zongmin Liu