Patents by Inventor Junmin Chen
Junmin Chen 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: 20240164029Abstract: An assembled cabinet and power connection boards thereof, in which side board assemblies of the assembled cabinet are stacked in a way that upper power connectors of a power connection board of a lower side board assembly among two adjacent stacked up side board assemblies are electrically connected with lower power connectors of a power connection board of the an upper side board assembly among the two adjacent stacked up side board assemblies, so as to preserve the versatility and flexibility of the installation of the assembled cabinet while allowing stable power supply to the electronic locks of the assembled cabinet.Type: ApplicationFiled: January 17, 2024Publication date: May 16, 2024Inventors: Tingpeng LIU, Junmin LIN, Jiasheng ZHANG, Weiming LIN, Wang CHEN, Zhaoqiang YAN, Xiaomin CHEN
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Patent number: 11961486Abstract: A display driving device configured to control a display panel including pixel units to display, includes: an over driver compensation module configured to, when a first polarity frame image is displayed, perform line over driver compensation on the pixel units based on line over driver compensation data corresponding to the first polarity frame image, to determine a target over driver grayscale of the pixel units; and to, when a second polarity frame image is displayed, perform line over driver compensation on the pixel units based on line over driver compensation data corresponding to the second polarity frame image, to determine a target over driver grayscale of the pixel units. The first and second polarity are opposite to each other, and the line over driver compensation data corresponding to the first polarity frame image is different from the line over driver compensation data corresponding to the second polarity frame image.Type: GrantFiled: October 28, 2021Date of Patent: April 16, 2024Assignees: Wuhan BOE Optoelectronics Technology Co., Ltd., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Lijun Xiao, Bing Li, Feng Jiang, Meng Feng, Mengchao Shuai, Hangyu Chen, Junmin Zhang
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Patent number: 11961969Abstract: This application provides a nonaqueous electrolyte, a lithium-ion battery, a battery module, a battery pack, and an apparatus. The nonaqueous electrolyte includes a nonaqueous solvent, a lithium salt, and an additive. The nonaqueous solvent is a high oxidation potential solvent, and the additive includes cyclic sulfate. The high oxidation potential solvent is selected from one or more of compounds represented by formula I and formula II, and the cyclic sulfate may be selected from one or more of compounds represented by formula III. This application can not only improve electrochemical performance of the lithium-ion battery under high temperature and high voltage and improve safety performance such as overcharge safety and hot box safety of the lithium-ion battery, but also ensure that the lithium-ion battery has some kinetic performance.Type: GrantFiled: March 9, 2021Date of Patent: April 16, 2024Assignee: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITEDInventors: Chengdu Liang, Chenghua Fu, Peipei Chen, Junmin Feng
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Publication number: 20240117656Abstract: An electronic lock for an assembled cabinet, including a lock shell, a locking and unlocking assembly mounted on the lock shell, an electronic driving device, a wireless communication device, a control circuit board, and a power supply. The control circuit board is electrically connected to the electronic driving device, the wireless communication device, and the power supply. The electronic driving device transmits motion to the locking and unlocking assembly. The electronic lock is adaptable to free combination of an assembled cabinet to provide easy installation and convenient use.Type: ApplicationFiled: December 15, 2023Publication date: April 11, 2024Inventors: Tingpeng LIU, Junmin LIN, Jiasheng ZHANG, Wang CHEN
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Publication number: 20240119912Abstract: The present disclosure provides a driving method for a liquid crystal display panel and a non-transitory computer storage medium. The driving method includes: for the plurality of sub-pixels, adopting a first gray-level table for displaying a picture in other frame pictures other than a first frame picture in each of the plurality of predetermined periods, the first gray-level table including a plurality of first gray-level values; and adopting a second gray-level table for displaying a picture in the first frame picture in each of the plurality of predetermined periods, the second gray-level table including a plurality of second gray-level values.Type: ApplicationFiled: March 22, 2021Publication date: April 11, 2024Inventors: Hangyu CHEN, Lijun XIAO, Junmin ZHANG, Bing LI, Feng JIANG, Meng FENG, Mengchao SHUAI, Jianmin XIANG, Yun BAI
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Patent number: 11949073Abstract: This application provides a nonaqueous electrolytic solution, a lithium-ion battery, a battery module, a battery pack, and an apparatus. The nonaqueous electrolytic solution includes a nonaqueous solvent and a lithium salt. The nonaqueous solvent includes a carbonate solvent and a high-oxidation-potential solvent. The carbonate solvent is a mixture of a cyclic carbonate and a chain carbonate, and the high-oxidation-potential solvent is selected from one or more of compounds denoted by Formula I and Formula II. This application improves electrochemical performance of the lithium-ion battery under a high temperature and a high voltage as well as safety performance such as overcharge safety and hot-oven safety of the lithium-ion battery, and also ensures kinetic performance of the lithium-ion battery to some extent.Type: GrantFiled: December 23, 2020Date of Patent: April 2, 2024Assignee: CONTEMPORATY AMPEREX TECHNOLOGY CO., LIMITEDInventors: Peipei Chen, Chenghua Fu, Junmin Feng, Chengdu Liang
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Publication number: 20240060281Abstract: The present disclosure discloses an acceleration sensor-based sensing faucet, including a faucet body, an automatic water outlet control unit, and a sensing module. The faucet body has a movable water outlet end, the sensing module includes a mounting seat, the acceleration sensor, a power source, and a communication unit. The acceleration sensor, the power source and the communication unit are all provided on the mounting seat, and the mounting seat is removably provided at the water outlet end. The power source supplies power to the acceleration sensor and the communication unit, the acceleration sensor is electrically connected to the communication unit. The communication unit is connected in communication with the automatic water outlet control unit, and the automatic water outlet control unit is configured for controlling water outlet states of the water outlet end. The present disclosure has a compact structure, it is convenient for production, assembly, and subsequent maintenance.Type: ApplicationFiled: October 18, 2022Publication date: February 22, 2024Inventors: Junmin CHEN, Shijie Peng, Yongshan Chen
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Publication number: 20240052179Abstract: The present invention provides a method for preparing an antibacterial and low-adhesion cross-linked polyvinyl alcohol coating. A simple two-step method is adopted, wherein polyfunctional isocyanate is first used to strongly cross-link with the hydroxyl group of polyvinyl alcohol, and then a compound with low surface energy such as mono-hydroxyl silicone oil or the like is received in to effectively reduce the surface energy of the surface of the coating; and two structure-function relationships are efficiently synergistic through effective strong cross-linking and regulation of the compound with low surface energy within the system, enabling the strongly cross-linked polyethylene coating to have excellent performance of water adhesion resistance and oil adhesion resistance, and good performance of bacterial adhesion resistance, which is expected to be applied in the fields of materials for antifouling and self-cleaning, liquid transportation and implantation in animal body.Type: ApplicationFiled: October 18, 2023Publication date: February 15, 2024Inventors: Xu WU, Junmin CHEN, Danfeng YU, Xiubin XU
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Patent number: 11761181Abstract: A drawing faucet includes a drawing sensing structure. The drawing sensing structure includes sense marks and a sensor. The number of the sense marks is at least two, they are provided on the drawing hose at intervals along a length direction of the drawing hose. The sensor is configured to sense the movements of the sense marks. During a drawing process of the drawing hose, at least the sense marks at two ends along the length direction can follow the movement of the drawing hose and be sensed by the sensor. The automatic water discharge control unit correspondingly controls the water discharge to change the water discharge strategy according to the sensing signal of the sensor.Type: GrantFiled: May 17, 2021Date of Patent: September 19, 2023Assignee: FUZHOU RAJEYN ELECTRONIC SCIENCE TECHNOLOGY CO., LTD.Inventors: Junmin Chen, Shijie Peng, Yongshan Chen
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Publication number: 20220364339Abstract: A drawing-type faucet includes a drawing-type sensing structure. The drawing-type sensing structure includes sense marks and a sensor. The number of the sense marks is at least two, they are provided on the drawing-type hose at intervals along a length direction of the drawing-type hose. The sensor is configured to sense the movements of the sense marks. During a drawing process of the drawing-type hose, at least the sense marks at two ends along the length direction can follow the movement of the drawing-type hose and be sensed by the sensor. The automatic water discharge control unit correspondingly controls the water discharge to change the water discharge strategy according to the sensing signal of the sensor.Type: ApplicationFiled: May 17, 2021Publication date: November 17, 2022Inventors: Junmin CHEN, Shijie PENG, Yongshan CHEN
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Patent number: 10859535Abstract: The present disclosure discloses a detecting device and method for acoustic emission on high-frequency motion rubbing pair surface. A linear reciprocating slide system with high efficiency and high conductivity is designed based on the method. Reciprocating linear slide system is the main structure of the detection device which is is composed of probe plate, tight clips, vacuum cover, slip wire and insulation box. The reciprocating slide solves the problem of data distortion caused by high frequency jitter when connecting ordinary data lines, and can realize stable and reliable connection between high frequency reciprocating rubbing experiment and acoustic emission detection equipment. The acoustic emission probe on the surface of rubbing pair connects with the preamplifier by linear reciprocating slide.Type: GrantFiled: December 27, 2019Date of Patent: December 8, 2020Assignee: BEIJING UNIVERSITY OF TECHNOLOGYInventors: Caixia Zhang, Junmin Chen, Zhifeng Liu, Mengmeng Liu, Congbin Yang
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Publication number: 20200132636Abstract: The present disclosure discloses a detecting device and method for acoustic emission on high-frequency motion rubbing pair surface. A linear reciprocating slide system with high efficiency and high conductivity is designed based on the method. Reciprocating linear slide system is the main structure of the detection device which is is composed of probe plate, tight clips, vacuum cover, slip wire and insulation box. The reciprocating slide solves the problem of data distortion caused by high frequency jitter when connecting ordinary data lines, and can realize stable and reliable connection between high frequency reciprocating rubbing experiment and acoustic emission detection equipment. The acoustic emission probe on the surface of rubbing pair connects with the preamplifier by linear reciprocating slide.Type: ApplicationFiled: December 27, 2019Publication date: April 30, 2020Inventors: Caixia ZHANG, Junmin CHEN, Zhifeng LIU, Mengmeng LIU, Congbin YANG
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Patent number: 8003358Abstract: The present invention discloses a two-step enzyme method for preparing 7-aminocephalosporanic acid from cephalosporin C, wherein D-amino acid oxidase used is purified D-amino acid oxidase mutant of yeast Trigonopsis variabilis, having a specific activity of 105% higher than that of parent D-amino acid oxidase. The method has no need of addition of hydrogen peroxide, ?-lactamase inhibitor, catalase inhibitor, catalase and the like commonly used in the prior art. The productivity of the method can reach more than 93%. Thus, the method is simple, low in cost and high in productivity.Type: GrantFiled: August 2, 2006Date of Patent: August 23, 2011Assignee: Bioright Worldwide Company LimitedInventors: Jun Wang, Waikei Tsang, Hongkin Yap, Junmin Chen, Yaulung Siu, Supyin Tsang
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Publication number: 20100112633Abstract: The present invention discloses a two-step enzyme method for preparing 7-aminocephalosporanic acid from cephalosporin C, wherein D-amino acid oxidase used is purified D-amino acid oxidase mutant of yeast Trigonopsis variabilis, having a specific activity of 105% higher than that of parent D-amino acid oxidase. The method has no need of addition of hydrogen peroxide, ?-lactamase inhibitor, catalase inhibitor, catalase and the like commonly used in the prior art. The productivity of the method can reach more than 93%. Thus, the method is simple, low in cost and high in productivity.Type: ApplicationFiled: August 2, 2006Publication date: May 6, 2010Inventors: Jun Wang, Waikei Tsang, Hongkin Yap, Junmin Chen, Yaulung Siu, Supyin Tsang