Patents by Inventor Pengfei Liu
Pengfei Liu 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: 20240168588Abstract: The present invention relates to a touch display device, a drive control circuit for the touch display device, and a method for operating the touch display device. The touch display device includes a drive control circuit, the drive control circuit is configured to: in a display phase, provide a common voltage signal to a common electrode in a pixel circuit of the touch display device; in a touch phase, provide a touch drive signal to the common electrode, wherein a ratio of an average value of a high level and a low level of the touch drive signal to a value of the common voltage signal ranges from 0.8 to 1.2.Type: ApplicationFiled: June 25, 2021Publication date: May 23, 2024Inventors: Yinlong ZHANG, Zhihua SUN, Pengfei HU, Senwang LI, Yanping LIAO, Xibin SHAO, Xiaofeng YIN, Jiantao LIU, Kaiming SHI, Jinling ZHANG
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Publication number: 20240166795Abstract: A xylylene diisocynate composition, a preparation method therefor and the use thereof. The xylylene diisocynate composition includes xylylene diisocynate and 0.2-500 ppm of a compound represented by formula (1). A resin prepared from the provided xylylene diisocynate composition has an excellent discoloration resistance and can effectively inhibit yellowing and/or white turbidity thereof.Type: ApplicationFiled: March 10, 2022Publication date: May 23, 2024Applicant: WANHUA CHEMICAL GROUP CO., LTD.Inventors: Fulin ZHU, Yonghua SHANG, Jianfeng LI, Weijie LIU, Peng WANG, Wenbin LI, Pengfei WANG, Qian WU, Wei LIU, Yuan LI
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Publication number: 20240170676Abstract: The present disclosure provides a binder composition comprising (a) at least one fluoropolymer comprising the residue of vinylidene fluoride; (b) one or more (meth)acrylic polymers; and (c) an organic medium comprising a trialkyl phosphate solvent. Also disclosed are slurry compositions, electrodes, and electrical storage devices.Type: ApplicationFiled: March 25, 2022Publication date: May 23, 2024Applicant: PPG Industries Ohio, Inc.Inventors: Wenqing Liu, Kevin Thomas Sylvester, Fanghui Wu, Scott William Sisco, Pengfei Zhan
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Publication number: 20240158480Abstract: Disclosed in the present invention is an anti-Nipah virus monoclonal antibody having neutralization activity. The antibody consists of a monkey-derived variable region and a human constant region, and both light and heavy chains of the monkey-derived variable region have unique CDR regions. The antibody provided by the present invention has an excellent antigen binding capability, and has good binding activity with Bangladesh Nipah virus and Malaysia Nipah virus glycoprotein G. The antibody can effectively neutralize the Nipahpseudovirus. Moreover, the neutralization activity of the antibody is enhanced as the concentration of the antibody increases, and nearly 100% neutralization of the Nipahpseudovirus can be achieved at a concentration of 1 ?g/mL. Also disclosed in the present invention is an application of the monoclonal antibody against the Nipah virus glycoprotein G in preparation of a Nipah virus treatment drug.Type: ApplicationFiled: June 26, 2021Publication date: May 16, 2024Applicant: ACADEMY OF MILITARY MEDICAL SCIENCE, PLAInventors: Wei Chen, Changming Yu, Yujiao Liu, Pengfei Fan, Guanying Zhang, Yaohui Li, Jianmin Li, Xiangyang Chi, Meng Hao, Ting Fang, Yunzhu Dong, Xiaohong Song, Yi Chen, Shuling Liu
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Publication number: 20240151899Abstract: The present invention provides a silicon-based integrated optical chip integrating a silicon-based optical modulator and a germanium-silicon detector and a preparation method thereof. A position and dimension of a silicon nitride waveguide are defined by a slot formed by using an etching process, then surplus silicon nitride is removed by means of chemico-mechanical polishing, and an optical waveguide is formed by the silicon nitride in the slot.Type: ApplicationFiled: November 8, 2022Publication date: May 9, 2024Inventors: Yadong Liu, Pengfei Cai, Tzung-I Su
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Publication number: 20240145933Abstract: The present disclosure provides an antenna. The antenna includes: a main body structure having a first surface, wherein the main body structure is formed by placing a reflective metal plate in a mold and performing injection molding, and the main body structure is of an integrally formed structure; a radiation layer, wherein the radiation layer is electroplated on the first surface; and a power distribution layer, wherein the power distribution layer is electroplated on the first surface, the power distribution layer is electrically connected to the radiation layer, and the power distribution layer feeds the radiation layer.Type: ApplicationFiled: October 28, 2022Publication date: May 2, 2024Inventors: Pengfei LYU, Mingxing LIU, Hui ZHU
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Patent number: 11970397Abstract: Disclosed is a method for preparing a nano-porous carbon material, comprising the following steps of: mixing polypyrrole nano-fibers with an activator, conducting microwave heating for reaction, and purifying to obtain the nano-porous carbon material. Compared with a conventional high-temperature carbonization method, the method for preparing the nano-porous carbon material of the present disclosure is simple in raw material, convenient to operate, less in time consumption and more suitable for mass preparation and production of the nano-porous carbon materials.Type: GrantFiled: April 28, 2019Date of Patent: April 30, 2024Assignee: SUN YAT-SEN UNIVERSITYInventors: Yang Liu, Chao Zhang, Pengfei Yin, Jiareng Chen, Bin Cui
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Patent number: 11973340Abstract: A line current iM(k0) of an M side of a first direct-current transmission line is collected at a moment k0. A line current iM(k0?ts) thereof is collected at k0?ts. At a moment k0, a differential value diM(k0) of a current of the side of the first direct-current transmission line is calculated according to the line current iM(k0) and the line current iM(k0?ts). It is determined whether the differential value diM(k0) of the current meets a protection enabling criteria. If so, direct-current protection for the M side of the first direct-current transmission line is enabled. A line current iM(j) of the M side of the first direct-current transmission line is collected at a moment j. A line current iM(j?ts) thereof is collected at a moment j?ts. A differential value diM(j) of the current of the M side of the first direct-current transmission line at the moment j is calculated according to the line current iM(j) and the line current iM(j?ts).Type: GrantFiled: June 18, 2020Date of Patent: April 30, 2024Assignees: CHINA ELECTRIC POWER RESEARCH INSTITUTE, STATE GRID CORPORATION OF CHINAInventors: Zexin Zhou, Huanzhang Liu, Pengfei Lv, Hong Cao, Xingguo Wang, Siye Ruan, Dingxiang Du, Yong Li, Guosheng Yang, Mingliang Jin
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Patent number: 11969220Abstract: A detection element and a verification system are disclosed. The detection element includes a detection end for contacting a feature portion of the osteotomy guide tool; and a positioning target connected to the detection end and configured to provide a pose parameter of the feature portion of the osteotomy guide tool in a coordinate system of a trackable element. With this configuration, the osteotomy guide tool can be verified to avoid deformation of the osteotomy guide tool during repeated use or transportation, affecting its positioning accuracy and affecting the operation.Type: GrantFiled: July 5, 2022Date of Patent: April 30, 2024Assignee: SUZHOU MICROPORT ORTHOBOT CO., LTD.Inventors: Teng Sun, Feng Sun, Hui Shao, Chao He, Pengfei Liu
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Patent number: 11971307Abstract: According to the present disclosure, there is provided a device (2) and a method for measuring a wavelength for a laser device. The device (2) for measuring a wavelength for a laser device includes: a first optical path assembly and a second optical path assembly. The first optical path assembly and the second optical path assembly constitute a laser wavelength measurement optical path. The second optical path assembly includes: an FP etalon assembly (11) and an optical classifier (13). The homogenized laser beam passes through the FP etalon assembly (11) to generate an interference fringe. The optical classifier (13) is arranged after the FP etalon assembly (11) in the laser wavelength measurement optical path, and configured to deflect the laser beam passing through the FP etalon assembly (11).Type: GrantFiled: December 11, 2020Date of Patent: April 30, 2024Assignee: Beijing RSLaserOpto-Electronics Technology Co. LtdInventors: Guangyi Liu, Rui Jiang, Xiaoquan Han, Jiangshan Zhao, Pengfei Sha, Qingqing Yin, Hua Zhang
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Patent number: 11974377Abstract: A system and method for nighttime lighting control and danger monitoring and alarming are provided. The system includes a data acquisition system, an information processing system, and a terminal control system. The data acquisition system is configured to acquire video information in a room and a voice content of a person in the room, and transmit the video information and the voice content to the information processing system; the information processing system is configured to obtain voice command information based on the voice content and age information and safety state information of the person based on the video information, and transmit the voice command information, the age information and the safety state information to the terminal control system; and the terminal control system is configured to control a terminal lighting fixture, and perform capturing of an image of the person and perform voice alarming according to the safety state information.Type: GrantFiled: August 26, 2022Date of Patent: April 30, 2024Assignees: TIANJIN CHENGJIAN UNIVERSITY, XI'AN UNIVERSITY OF ARCHITECTURE AND TECHNOLOGYInventors: Bin Yang, Pengju Liu, Yihang Liu, Dacheng Jin, Bingan Pan, Pengfei Yang
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Publication number: 20240135543Abstract: A method and an electronic device with image data generating are disclosed. The electronic device includes: one or more processors; and memory storing instructions configured to cause the one or more processors to: input an input image to a target model that performs segmenting on the input image to generate a segmented image whose pixels have respective class labels predicted by the target model, calculate an optimization value for the input image based on the segmented image and based on a class label of a first grid area among a plurality of grid areas of a guide image, and optimize the input image based on the optimization value.Type: ApplicationFiled: October 1, 2023Publication date: April 25, 2024Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Fang LIU, Fengtao XIE, Fangfang DU, Ke LU, Pengfei ZHAO
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Patent number: 11965744Abstract: The present disclosure is related to systems and methods for indoor positioning. The method includes obtaining a first location of a subject at a first time point. The method also includes determining one or more motion parameters associated with the subject at least based on one or more sensors carried by the subject. The method further includes determining, based on the first location of the subject and the one or more motion parameters associated with the subject, a second location of the subject at a second time point after the first time point. The method still further includes adjusting, at least based on surroundings information associated with the subject at the second time point, the second location of the subject to determine a target location of the subject.Type: GrantFiled: November 10, 2020Date of Patent: April 23, 2024Assignee: BEIJING DIDI INFINITY TECHNOLOGY AND DEVELOPMENT CO., LTD.Inventors: Xiaoqiang Teng, Rongzhi Wang, Jiankuan Li, Zhiwei Ruan, Zongyue Liu, Jun Zhang, Pengfei Xu, Shenggang Bao, Chao Liu
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Patent number: 11966598Abstract: Indices of storage systems are managed. An example method includes: receiving a flush cycle for flushing expired events in a storage system including multiple events in a data stream, determining, based on the flush cycle, a time slice for managing the index of the storage system, creating a slice index node for the time slice in response to determining that the occurrence time of a first event that enters the storage system in the data stream is within the time slice, wherein the slice index node includes an index node of the first event, and adding the slice index node to the index. A corresponding device and a corresponding computer program product are provided. Thus, the index of a large number of events entering the storage system is managed according to the occurrence time of the events, and the storage system can be searched and updated accurately and effectively.Type: GrantFiled: April 30, 2021Date of Patent: April 23, 2024Assignee: EMC IP HOLDING COMPANY LLCInventors: Julius Jian Zhu, Lu Lei, Pengfei Su, Jingjing Liu
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Patent number: 11959383Abstract: A method for carrying out grouting between adjacent gateroads in internal-staggered split-level coal mining. A return air gateroad of a stoping face and an inlet air gateroad of a heading face are not on the same level. The return air gateroad of the stoping face is arranged along a roof of a coal seam. The inlet air gateroad of the heading face is arranged along a floor of the coal seam. There is a height difference between the return air gateroad and the inlet air gateroad in a vertical direction. During the construction process, the inlet air gateroad is excavated at a delay distance of 180-200 meters from the return air gateroad. The drilling and grouting are performed while excavating the roadway, where grouting holes are arranged in a single row. A device for implementing the method is also provided.Type: GrantFiled: May 24, 2022Date of Patent: April 16, 2024Assignee: Taiyuan University of TechnologyInventors: Guorui Feng, Yijiang Fan, Pengfei Wang, Chenliang Hao, Xiaoze Wen, Jun Guo, Jinwen Bai, Tingye Qi, Jianan Liu, Linjun Zhu, Changquan Wu
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Patent number: 11963429Abstract: A display module (10) includes: a display panel (12) and a circuit board (14) coupled to the display panel (12). The display panel (12) includes a driving chip (122) and a display unit (124); and the circuit board (14) includes a first filter element (142), wherein the first filter element (142) is coupled to the driving chip (122) and the display unit (124), and a direct current signal output by the driving chip (122) is filtered by the first filter element (142) and then transmitted to the display unit (124). The present disclosure also provides a display apparatus (100).Type: GrantFiled: June 19, 2020Date of Patent: April 16, 2024Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Yu Wang, Yi Zhang, Tingliang Liu, Tinghua Shang, Huijuan Yang, Yang Zhou, Pengfei Yu, Linhong Han, Hao Zhang, Xiaofeng Jiang, Huijun Li
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Publication number: 20240121870Abstract: A self-adaptive constant-current driving circuit for a three-channel multi-color LED, including a decoder, a two-phase non-overlapping circuit, and a LED constant-current driving circuit, where the decoder determines the number of lighted channels according to a first input signal, and generates a first switch control signal and a second switch control signal; the two-phase non-overlapping circuit modulates the first switch control signal into a first two-phase non-overlapping signal and a second two-phase non-overlapping signal, and modulates the second switch control signal into a third two-phase non-overlapping signal and a fourth two-phase non-overlapping signal; the LED constant-current driving circuit controls an on/off state of the respective channel of LED according to a second input signal, and outputs a current for controlling a brightness of the respective channel of LED according to the first two-phase non-overlapping signal, the second two-phase non-overlapping signal, the third two-phase non-oveType: ApplicationFiled: December 15, 2021Publication date: April 11, 2024Applicant: CRM ICBG(WUXI)CO., LTD.Inventors: ZHENLI LIU, SHENG ZHOU, DONGMIN DING, PENGFEI CAI
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Publication number: 20240117903Abstract: An ultrahigh-pressure acid-fracturing isodiametric hose assembly, comprising a hose body and a metal joint. The metal joint comprises an inner tube, a first outer tube the inner tube, and a second outer tube. The first outer tube and the second outer tube each is an independent pressing part. An external groove is provided at an outer wall of the inner tube. An end of the first outer tube comprises an internal ridge which matches the external groove for snapping. The terminal of the inner tube comprises a connecting portion. An outer wall of the inner tube comprises a first protrusion, and an inner wall of the first outer tube comprises a second protrusion engaging with the first protrusion. The hose body is clamped between the first protrusion and the second protrusion that are engaged. An inner wall of the second outer tube comprises multiple micro-protrusions.Type: ApplicationFiled: July 27, 2023Publication date: April 11, 2024Applicant: LUOHE LETONE HYDRAULICS TECHNOLOGY CO., LTD.Inventors: Hongliang ZHAO, Zhian LIU, Peiyuan WU, Feilong ZHANG, Xingpeng YANG, Lili LU, Yong ZHANG, Yanhui ZHAO, Pengfei ZHANG, Ning LI
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Patent number: 11956379Abstract: A retractable screen structure includes a holder assembly, the holder assembly including a holder and a rotation shaft assembly. The rotation shaft assembly includes a rotation shaft support coupled to a side of the holder and having a shaft hole, a rotation shaft passing through the shaft hole, and a rotation wheel fitted over the rotation shaft. The holder assembly also includes a flexible display screen wound around the rotation wheel. The rotation wheel is driven to rotate when the flexible display screen is expanded or retracted.Type: GrantFiled: December 21, 2021Date of Patent: April 9, 2024Assignee: BEIJING XIAOMI MOBILE SOFTWARE CO., LTD.Inventors: Pengfei Li, Zhenhua Liu
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Patent number: 11957033Abstract: Provided are a display panel, a manufacturing method thereof, and a display device. The display panel includes an alignment mark region arranged within a flat region of a peripheral region of the display panel. The peripheral region is a region of the display panel other than an active area of the display panel. An alignment mark pattern is arranged within the alignment mark region, and/or at least one film layer within the alignment mark region is hollowed out.Type: GrantFiled: May 9, 2020Date of Patent: April 9, 2024Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Huijuan Yang, Tingliang Liu, Tinghua Shang, Yang Zhou, Pengfei Yu, Yi Zhang, Junxi Wang