Patents by Inventor Jianwei Ma
Jianwei Ma has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20240178077Abstract: Provided is a display panel. The display panel includes a driver circuit, at least one to-be-detected line, and at least one conductive line in one-to-one correspondence with the at least one to-be-detected line. Any to-be-detected line in the at least one to-be-detected line includes a first sub-line and a second sub-line arranged separating from each other, and another end of the second sub-line is exposed out of an edge of the display panel. The second sub-line is configured to be electrically connected to a detection unit outside the display panel prior to cutting of a display panel motherboard including the display panel.Type: ApplicationFiled: July 1, 2022Publication date: May 30, 2024Inventors: Dawei FENG, Yu ZHAO, Yong ZHANG, Lei SHI, Huairui YUE, Xian WANG, Yang GE, Jianwei MA, Hui GUO
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Publication number: 20240178196Abstract: The present application provides an array base plate and a detecting method thereof, and a light emitting apparatus, which relates to the technical field of displaying. The array base plate includes: a substrate, wherein the substrate includes a plurality of first light transmitting areas; and a first conductive layer located on the substrate; the first conductive layer includes a plurality of conductive-pad groups, and each of the conductive-pad groups includes at least one conductive pad; an overlapping area exists between an orthographic-projection area of the conductive pad on the substrate and one of the first light transmitting areas; and a transmittance of parts of the substrate that are located at the first light transmitting areas is greater than or equal to a first preset value.Type: ApplicationFiled: September 16, 2021Publication date: May 30, 2024Applicants: HEFEI BOE PIXEY TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Hai Tang, Liang Gao, Ming Zhai, Jianwei Qin, Xiaopan Che, Guanghe Ma
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Patent number: 11994762Abstract: 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.Type: GrantFiled: October 14, 2021Date of Patent: May 28, 2024Assignees: Beijing BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Yang Ge, Yu Zhao, Xiaojuan Wu, Jiaxing Wang, Xian Wang, Huairui Yue, Jianwei Ma, Hailong Wang, Dawei Feng, Hao Yan
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Publication number: 20240170495Abstract: A display substrate has a display area and a peripheral area surrounding the display area; the display area has a functional area and a non-functional area; the display substrate includes a base substrate, a plurality of first signal lines, a first interlayer insulating layer, a plurality of second signal lines, a conductive mesh and an auxiliary functional structure; the conductive mesh includes a plurality of first conductive structures and a plurality of second conductive structures which are arranged crosswise and electrically connected to each other; the auxiliary functional structure includes a plurality of first conductive wires and a plurality of second conductive wires which are arranged crosswise; the first conductive wire is at least a part of the first conductive structure, and each of some first conductive structures includes two first conductive wires; the second conductive wire is at least a part of the second conductive structure.Type: ApplicationFiled: June 24, 2021Publication date: May 23, 2024Inventors: Xian WANG, Yu ZHAO, Xiaojuan WU, Chunnan FENG, Jian WANG, Yong ZHANG, Dawei FENG, Huairui YUE, Yang GE, Jianwei MA, Lei SHI, Biqi LI, Feng QU
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Patent number: 11986243Abstract: Disclosed is a fundus camera, which relates to the technical field of medical devices and includes: an illumination module, a main optical assembly, a focusing module, and an image sensing acquisition module; the illumination module includes a plurality of light sources configured to emit light of different wavelengths, illumination light emitted by the plurality of light sources is conducted to enter an eye of a patient through the main optical assembly, and light reflected by a retina of the patient is conducted to pass through the main optical assembly and the focusing module to enter the image sensing acquisition module. The fundus camera provided by the present application improves the technical problem that the fundus camera in the prior art cannot image different layers of the retina, thereby providing valuable medical and diagnostic data.Type: GrantFiled: January 22, 2019Date of Patent: May 21, 2024Assignee: SHENZHEN THONDAR TECHNOLOGY CO., LTDInventors: Yequan Huang, Jianwei Ren, Zhenhua Chen, Xuechuan Dong, Feiyan Ma, Jinsong Zhang, Sha Lai, Kexing Liu, Zeljko Ribaric
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Patent number: 11958552Abstract: A bionic robot is provided, which includes a body; a plurality of sets of wheeled leg devices arranged at intervals in a front-rear direction, each comprising two wheeled leg devices arranged symmetrically in a left-right direction, each comprising a leg assembly and a travel wheel, and a power output shaft connected to the travel wheel; and a suspension device disposed in the body and connected to at least two sets from the plurality of sets of wheeled leg devices. The at least two sets of wheeled leg devices are located at the foremost end and the backmost end respectively. The suspension device comprises a plurality of drive assemblies, each connected to a corresponding leg assembly, which each comprise: an electric cylinder being configured to drive a telescopic rod to extend or retract; a damper connected between the body and the leg assembly; and an elastic member fitted over the damper.Type: GrantFiled: October 29, 2020Date of Patent: April 16, 2024Assignees: INNER MONGOLIA SU MENG TECHNOLOGY POWER EQUIPMENT CO., LTD., CHINA UNIVERSITY OF MINING & TECHNOLOGY, BEIJINGInventors: Jianwei Zhao, Hai Zhang, Zhikang Chi, Haichao Zhang, Chaoyi Liu, Xiaofei Ma
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Patent number: 11766799Abstract: Multi-adaptive fast loading attached air-cooled dust removal equipment is disclosed. The equipment is mainly composed of five parts: a spindle clamping mechanism, a link mechanism, a bearing connecting mechanism, an axial telescopic mechanism and a dust treatment mechanism. The equipment is connected with a tool holder through an axial connecting mechanism and installed on a machine tool. The axial telescopic mechanism forms a cavity with a processing surface, the gas flow generated by a negative pressure vacuum cleaner forms negative pressure in the cavity, and the telescopic mechanism is fixed to a machine tool spindle housing through the link mechanism to prevent the rotation of the spindle from driving the equipment to rotate and interfere with a workpiece, finally realizing rapid collection and treatment of chips.Type: GrantFiled: October 28, 2020Date of Patent: September 26, 2023Assignee: DALIAN UNIVERSITY OF TECHNOLOGYInventors: Fuji Wang, Shen Qiu, Rao Fu, Boyu Zhang, Meng Zhao, Wei Liu, Jianwei Ma
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Publication number: 20230253697Abstract: Disclosed are a display substrate, a display panel and a display device. The display substrate has a display region and a non-display region, wherein the display substrate includes a base substrate; a near-field communication antenna on the base substrate and comprising a main body, wherein the main body is in the display region, and at least a portion of the main body is transparent.Type: ApplicationFiled: September 9, 2021Publication date: August 10, 2023Inventors: Xian WANG, Yu ZHAO, Dawei FENG, Hailong WANG, Huairui YUE, Yang GE, Jianwei MA, Yong ZHANG, Jian WANG, Hao YAN, Feng QU
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Publication number: 20230134866Abstract: A liquid crystal handwriting board, comprising: a liquid crystal panel (001) and a driving assembly (002). The liquid crystal panel (001) comprises: a first substrate (100) and a second substrate (200) which are arranged opposite to each other, and a liquid crystal layer (300) located between the first substrate (100) and the second substrate (200).Type: ApplicationFiled: October 14, 2021Publication date: May 4, 2023Inventors: Yang GE, Yu ZHAO, Xiaojuan WU, Jiaxing WANG, Xian WANG, Huairui YUE, Jianwei MA, Hailong WANG, Dawei FENG, Hao YAN
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Patent number: 11498134Abstract: The present invention belongs to the technical field of machining of fiber-reinforced composites, and relates to a method for measuring distribution of a thrust force during drilling of a unidirectional composite along with a fiber cutting angle. The method includes: cutting the surface a composite sample piece to form a groove; drilling on an existing experimental platform for measuring a thrust force during drilling, where a through hole obtained through the drilling is required to intersect with the groove; obtaining a curve of the thrust force during drilling, comparing the curve with a conventional curve of the thrust force to find a mutation point, and determining the mutation point, namely a fiber cutting angle at the groove; and calculating fluctuation periods of the thrust force according to machining parameters to reckon the distribution of the thrust force along with the fiber cutting angle in all the periods.Type: GrantFiled: August 11, 2020Date of Patent: November 15, 2022Assignee: DALIAN UNIVERSITY OF TECHNOLOGYInventors: Fuji Wang, Jiaxuan Hao, Yu Bai, Wei Liu, Jianwei Ma
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Patent number: 11429081Abstract: A toolpath topology design method based on vector field in sub-regional processing for the curved surface is disclosed which comprising: finding the functional relationships in feeding direction between the chord error and the normal curvature and between the scallop-height error and the normal curvature; establishing the bi-objective optimization model and calculating the optimal feeding direction at each cutting contact point within the surface through the constructed evaluation function, the space vector field is built; calculating divergence and rotation of the projected vector field and according to whether them are zeros or not to classify different sub-regions, the primary surface segmentation is achieved, etc. The method is applied for the complex curved surface processing, which can reduce the machining error and enhance the feed motion stability.Type: GrantFiled: August 19, 2019Date of Patent: August 30, 2022Assignee: DALIAN UNIVERSITY OF TECHNOLOGYInventors: Jianwei Ma, Zhenyuan Jia, Xiao Lu, Wenwen Jiang, Xiaoxuan Zhao, Wei Liu, Likun Si
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Patent number: 11188056Abstract: This invention, a feedrate scheduling method for five-axis dual-spline curve interpolation, belongs to multi-axis NC (Numerical Control) machining filed, featured a feedrate scheduling method with constant speed at feedrate-sensitive regions under axial drive constraints for five-axis dual-spline interpolation. This method first discretizes the tool-tip spline with equal arc length, thus getting the relation between the axial motion and the toolpath by computing the first, second, and third order derivatives of the axial positions with respect to the tool-tip motion arc length. After that, determine the feedrate-sensitive regions with the constraints of axial drive limitations and the objective of balanced machining quality and efficiency. Finally, determine the acceleration/deceleration-start-point curve parameters by bi-directional scanning.Type: GrantFiled: January 7, 2018Date of Patent: November 30, 2021Assignee: DALIAN UNIVERSITY OF TECHNOLOGYInventors: Zhenyuan Jia, Jianwei Ma, Dening Song, Siyu Chen, Guangzhi He, Fuji Wang, Wei Liu
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Patent number: 11113085Abstract: A method of defining a virtual network across a plurality of physical hosts is provided. At least two hosts utilize network virtualization software provided by two different vendors. Each host hosts a set of data compute nodes (DCNs) for one or more tenants. The method, at an agent at a host, receives a command from a network controller, the command includes (i) an identification a resource on a tenant logical network and (ii) an action to perform on the identified resource. The method, at the agent, determines the network virtualization software utilized by the host. The method, at the agent, translates the received action into a set of configuration commands compatible with the network virtualization software utilized by the host. The method sends the configuration commands to a network configuration interface on the host to perform the action on the identified resource.Type: GrantFiled: January 25, 2016Date of Patent: September 7, 2021Assignee: NICIRA, INC.Inventors: Bolt Zhang, Jianjun Shen, Jianwei Ma, Donghai Han, Ram D. Singh, Frank Pan
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Publication number: 20210170619Abstract: Multi-adaptive fast loading attached air-cooled dust removal equipment is disclosed. The equipment is mainly composed of five parts: a spindle clamping mechanism, a link mechanism, a bearing connecting mechanism, an axial telescopic mechanism and a dust treatment mechanism. The equipment is connected with a tool holder through an axial connecting mechanism and installed on a machine tool. The axial telescopic mechanism forms a cavity with a processing surface, the gas flow generated by a negative pressure vacuum cleaner forms negative pressure in the cavity, and the telescopic mechanism is fixed to a machine tool spindle housing through the link mechanism to prevent the rotation of the spindle from driving the equipment to rotate and interfere with a workpiece, finally realizing rapid collection and treatment of chips.Type: ApplicationFiled: October 28, 2020Publication date: June 10, 2021Inventors: Fuji WANG, Shen QIU, Rao FU, Boyu ZHANG, Meng ZHAO, Wei LIU, Jianwei MA
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Publication number: 20210164851Abstract: The present invention belongs to the technical field of machining of fiber-reinforced composites, and relates to a method for measuring distribution of a thrust force during drilling of a unidirectional composite along with a fiber cutting angle. The method includes: cutting the surface a composite sample piece to form a groove; drilling on an existing experimental platform for measuring a thrust force during drilling, where a through hole obtained through the drilling is required to intersect with the groove; obtaining a curve of the thrust force during drilling, comparing the curve with a conventional curve of the thrust force to find a mutation point, and determining the mutation point, namely a fiber cutting angle at the groove; and calculating fluctuation periods of the thrust force according to machining parameters to reckon the distribution of the thrust force along with the fiber cutting angle in all the periods.Type: ApplicationFiled: August 11, 2020Publication date: June 3, 2021Applicant: Dalian University of TechnologyInventors: Fuji Wang, Jiaxuan Hao, Yu Bai, Wei Liu, Jianwei Ma
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Patent number: 11014211Abstract: A monocular vision six-dimensional measurement method for high-dynamic large-range arbitrary contouring error of a CNC machine tool of the present invention belongs to the field of dynamic error detection of machine tools, and relates to a six-dimensional measurement method for high-dynamic large-range arbitrary contouring error of a CNC machine tool using a monocular vision measurement technology with short-time stroboscopic illumination and a priori standard plate. The method designs a measurement fixture and a measurement system, and uses a monocular vision pose algorithm to improve both the visual measurable dimension and range of interpolated contour in combination with priori knowledge. In light of the principle of error distribution, a small field of view is used to enhance the measurement accuracy of the coded primitives in the images.Type: GrantFiled: November 7, 2017Date of Patent: May 25, 2021Assignee: DALIAN UNIVERSITY OF TECHNOLOGYInventors: Wei Liu, Zhenyuan Jia, Xiao Li, Yi Pan, Xin Ma, Jianwei Ma
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Publication number: 20210107109Abstract: A method for machining a drill with tilting blade slot structures for composite machining is provided. In the machining method, a face of the drill produces a downward component force for the inlet material to inhibit the inlet material from turning up; and a cutting edge inclination of an end surface at an outer turning point in a corner region of the drill is a positive value. The face and a flank are firstly partially ground in the corner region of the drill. The face at the outer turning point is ground with a grinding wheel to obtain two tilting blade slot structures. After grinding, a new face and a new cutting edge are obtained; and the cutting edge inclination on the end surface formed by the new cutting edge and a reference plane is a positive angle.Type: ApplicationFiled: September 16, 2020Publication date: April 15, 2021Inventors: Fuji WANG, Jianbo YAN, Meng ZHAO, Boyu ZHANG, Rao FU, Wei LIU, Jianwei MA, Zhenyuan JIA
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Publication number: 20210048791Abstract: A toolpath topology design method based on vector field in sub-regional processing for the curved surface is disclosed which comprising: finding the functional relationships in feeding direction between the chord error and the normal curvature and between the scallop-height error and the normal curvature; establishing the bi-objective optimization model and calculating the optimal feeding direction at each cutting contact point within the surface through the constructed evaluation function, the space vector field is built; calculating divergence and rotation of the projected vector field and according to whether them are zeros or not to classify different sub-regions, the primary surface segmentation is achieved, etc. The method is applied for the complex curved surface processing, which can reduce the machining error and enhance the feed motion stability.Type: ApplicationFiled: August 19, 2019Publication date: February 18, 2021Inventors: Jianwei MA, Zhenyuan JIA, Xiao LU, Wenwen JIANG, Xiaoxuan ZHAO, Wei LIU, Likun SI
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Patent number: 10921772Abstract: The invented equivalent-plane cross-coupling control method belongs to high-precision and high-efficiency intelligent multi-axis CNC (Computer Numerical Control) machining filed, featured a three-axis cross-coupling controller based on the equivalent plane which can be used for improvement of the three-dimensional contour-following accuracy. This method first find the foot point from the actual motion position to the desired contour using a tangential back stepping based Newton method. Then, establish an equivalent plane which containing the spatial contouring-error vector by passing through the actual motion position and the tangential line at the foot point. After that, estimate the three-dimensional contouring error in a scalar form, thus controlling the signed error using a PID based two-axis cross-coupling controller.Type: GrantFiled: January 7, 2018Date of Patent: February 16, 2021Assignee: Dalian University of TechnologyInventors: Jianwei Ma, Zhenyuan Jia, Dening Song, Fuji Wang, Wei Liu, Ning Zhang, Siyu Chen, Guangzhi He
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Patent number: 10857601Abstract: A kind of sawtooth structure with reversed cutting function and its drill series are presented in this invention. This invention is suitable for drilling low-damage holes on carbon fiber reinforced polymers (CFRP). The sawtooth structure is comprised of sawteeth and grooves located on the cutting edges of drill. And the sawtooth structure is helically arranged with a specific helix angle around the axis of the drill. It can be classified as the left-hand helix sawtooth structure and the right-hand helix sawtooth structure based on the helix angle value. The bottom edges of the left-hand helix sawtooth structure are the cutting edges, and the rake angles are positive; while the top edges of the right-hand helix sawtooth are the cutting edge with the positive rake angles. The sawtooth structure can be applied to various drilling tools, which proves to be universal. And it can effectively reduce delamination at both hole entrance and hole exit as well as burrs defects.Type: GrantFiled: August 18, 2016Date of Patent: December 8, 2020Assignee: DALIAN UNIVERSITY OF TECHNOLOGYInventors: Zhenyuan Jia, Fuji Wang, Rao Fu, Yu Bai, Bin Niu, Wei Liu, Jianwei Ma, Chunling He