Patents by Inventor Jingwen Zhang
Jingwen Zhang 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: 20240312404Abstract: A pixel circuit, a driving method therefor, and a display device are disclosed. In the pixel circuit, a first reset transistor is coupled between a first electrode of a light emitting device and a first initialization signal terminal, and a gate of the first reset transistor is coupled to a first light emitting control terminal; a second electrode of the light emitting device is coupled to a first power supply terminal; a compensation transistor is coupled between a gate and a first electrode of a drive transistor, and a gate of the compensation transistor is coupled to a first scan control terminal; a data writing transistor is coupled between a second electrode of the drive transistor and a data signal terminal, and a gate of the data writing transistor is coupled to a second scan control terminal.Type: ApplicationFiled: May 26, 2022Publication date: September 19, 2024Inventors: Jingwen ZHANG, Yonglin GUO
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Publication number: 20240303510Abstract: Dynamic rule-based recommendations are disclosed. A rule-base, which includes rules, is received for a data-related operation. Potential targets of the data-related operation are validated against the rule-base. Targets that are eligible or validated using the rule-base may be returned and/or ranked. The data-relation operation may be performed using one of the validated targets.Type: ApplicationFiled: March 6, 2023Publication date: September 12, 2024Inventors: Nicholas A. Noto, Nitin Madan, Jingwen Zhang, Sriranjani Vaidyanathan, Ishan Khaparde
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Publication number: 20240290259Abstract: In a pixel circuit, a first reset transistor is coupled between a gate of a drive transistor and an initialization signal terminal, and a gate of the first reset transistor is coupled to a reset control terminal; a compensation transistor is coupled between the gate and a first electrode of the drive transistor, and a gate of the compensation transistor is coupled to a first scan control terminal; a data writing transistor is coupled between a second electrode of the drive transistor and a data signal terminal, and a gate of the data writing transistor is coupled to a second scan control terminal; a first light emitting control transistor is coupled between the second electrode of the drive transistor and a first power supply terminal, and a gate of the first light emitting control transistor is coupled to a light emitting control terminal.Type: ApplicationFiled: May 30, 2022Publication date: August 29, 2024Inventors: Yonglin GUO, Jingwen ZHANG, Tingliang LIU
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Publication number: 20240274086Abstract: A display panel and a display device are provided, which belong to the field of display technologies. The display panel includes: a substrate including a display region and a gate driver on array (GOA) region, a plurality of rows and a plurality of columns of pixels disposed in the display region, and a first GOA circuit disposed in the GOA region. The first GOA circuit includes a plurality of cascaded first shift register units, and the plurality of first shift register units are coupled to the plurality of rows of pixels by a plurality of gate lines, and are configured to transmit gate drive signals to the plurality of rows of pixels through the plurality of gate lines, to drive the plurality of rows of pixels to emit light.Type: ApplicationFiled: May 23, 2022Publication date: August 15, 2024Inventors: Miao WANG, Jingwen ZHANG
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Patent number: 12058905Abstract: A display substrate and a display substrate are provided. The display substrate includes a voltage bus line in the peripheral region, the voltage bus line at least partially surrounds the transparent region, and is configured to be connected with sub-pixels in a plurality of first pixel rows to provide a first voltage; the display substrate further includes a plurality of first signal lines extended along the first direction, and each first signal line includes a first signal line portion in the display region and a second signal line portion, which is electrically connected with the first signal line portion, in the peripheral region, and the second signal line portion includes a bent portion extended along the transparent region, bent portions of second signal line portions of the plurality of first signal lines are all located at a side of the voltage bus line close to the transparent region.Type: GrantFiled: August 3, 2020Date of Patent: August 6, 2024Assignees: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Gen Li, Huijuan Yang, Pinchao Gu, Yuqian Pang, Jingwen Zhang
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Publication number: 20240240100Abstract: The present disclosure relates to lubricant compositions comprising a branched copolymer and methods for making such compositions. Lubricant compositions of the present disclosure comprise an oil and a copolymer and have a high temperature high shear (HTHS) viscosity of about 5 or less, shear stability index (30 cycles) of from about 2% to about 80%, a ratio of thickening efficiency to shear stability index (30 cycles) of from about 1:2 to about 1:30, a kinematic viscosity at 100° C. of from about 3 cSt to about 30 cSt, and a thickening efficiency of about 1 or more. In another class of embodiments, the present disclosure provides a lubricant composition comprising a first and a second copolymers wherein the first copolymer has an ethylene content higher than that of the second copolymer, and wherein at least one of the two copolymers is a long chain branched ethylene copolymer.Type: ApplicationFiled: May 11, 2022Publication date: July 18, 2024Inventors: Jo Ann M. CANICH, Jingwen ZHANG, Sara Yue ZHANG, David L. MORGAN, John R. HAGADORN, Peijun JIANG, Maryam SEPEHR
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Publication number: 20240242666Abstract: A display substrate and a display apparatus are disclosed. The display substrate includes: a base substrate including a first and second display regions; a light transmittance of the first display region is greater than that of the second display region; first sub-pixels in the first display region. At least one first sub-pixel includes a first pixel circuit and a first light emitting device; the first pixel circuit includes a storage capacitor and a driving transistor; and a data writing sub-circuit configured to write a data voltage signal to a gate electrode of the driving transistor in response to a first and second scan signals; a reset sub-circuit configured to provide an initialization voltage signal to a first electrode of the first light emitting device in response to the second scan signal; and a luminescent control sub-circuit configured to transmit a driving current to the first light emitting device.Type: ApplicationFiled: September 28, 2021Publication date: July 18, 2024Inventors: Jingwen ZHANG, Ziyang YU, Yunsheng XIAO, Gukhwan SONG, Cong FAN, Xiangdan DONG
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Publication number: 20240218282Abstract: The present disclosure also relates to lubrication compositions comprising a long branched ethylene copolymer and methods for making compositions. Compositions of the present disclosure can be a composition including an oil and a ethylene copolymer, the copolymer having one or more of an MWD from about 2.0 to about 6.5; an Mw(LS) from about 30,000 to about 300,000 g/mol; a g?vis of from about 0.5 to about 0.97; an ethylene content of about 40 wt % to less than 80 wt %. The compostion has a shear stability index (30 cycles) of from about 1% to about 60%; and a kinematic viscosity at 100° C. of from about 3 cSt to about 25 cSt. A method of making a composition includes blending an oil with a copolymer is also disclosed. Additionally, provided are novel long chain branched ethylene propylene copolymers and methods to produce such copolymers.Type: ApplicationFiled: May 11, 2022Publication date: July 4, 2024Inventors: Jingwen ZHANG, Peijun JIANG, Jo Ann M. CANICH, John R. HAGADORN, Yen-Hao LIN, Sarah MATTLER, Chase A. ECKERT, Aaron REED, Adrian G. BARRY, Sara Yue ZHANG, Maryam SEPEHR, David L. MORGAN
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Patent number: 12004391Abstract: A display substrate and a display substrate are provided. The display substrate includes a first signal line, and the first signal line includes a first signal line portion in the display region and a second signal line portion in the peripheral region. The second signal line portion of the first signal line includes a first sub-portion, a second sub-portion and a third sub-portion which are sequentially connected; the first sub-portion and the third sub-portion both include a curved structure, and the second sub-portion is in a linear structure; and the display substrate further includes a first compensation electrode in the peripheral region, and the first compensation electrode is overlapped with the second sub-portion of the second signal line portion of the first signal line in a direction perpendicular to the base substrate to form a compensation capacitor.Type: GrantFiled: August 3, 2020Date of Patent: June 4, 2024Assignees: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Gen Li, Huijuan Yang, Tiaomei Zhang, Yuqian Pang, Jingwen Zhang
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Publication number: 20240164155Abstract: A displaying base plate and a displaying device, the displaying base plate includes a first sub-pixel unit and a second sub-pixel unit that are arranged adjacently, a substrate, and a first metal layer, a first insulating layer and a second metal layer that are arranged in stack on one side of the substrate. The first metal layer includes a first electrode block connected to a constant potential. The second metal layer includes signal lines and connecting lines; the signal lines include a first signal line and a second signal line; the connecting lines include a first connecting line and a second connecting line; the first signal line is connected to a driving circuit of the first sub-pixel unit, the second signal line is connected to a driving circuit of the second sub-pixel unit.Type: ApplicationFiled: June 22, 2021Publication date: May 16, 2024Applicants: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Miao Wang, Yunsheng Xiao, Jingwen Zhang
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Publication number: 20240135879Abstract: A display substrate and a display apparatus are provided, and the display substrate includes a pixel circuit with a light emitting module configured to emit light; a driving module configured to drive the light emitting module to emit light based on a driving voltage in a luminescence stage; a storage module configured to maintain and provide the driving voltage to the driving module in the luminescence stage; a first transistor, having a first electrode coupled to a position from which the driving module acquires the driving voltage; a second transistor, having a first electrode coupled to the first electrode of the first transistor, and a second electrode being not directly coupled to a signal source; and a voltage stabilizing capacitor, having a first electrode coupled to the second electrode of the second transistor, and a second electrode coupled to a constant voltage signal source.Type: ApplicationFiled: January 3, 2024Publication date: April 25, 2024Inventors: Jingwen ZHANG, Yunsheng XIAO, Miao WANG, Yuqian PANG
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Patent number: 11926802Abstract: Provided is a lubricating oil composition that includes a major amount of a lubricant base oil and a minor amount of a viscosity index improver comprising a syndiotactic propylene-based ethylene-propylene copolymer comprising: a) 2 to 20% by weight of ethylene, b) 80 to 98% by weight of propylene; c) 50 to 99% of rr triads; and d) Mw (LS) of 10 to 250 kg/mol.Type: GrantFiled: November 4, 2022Date of Patent: March 12, 2024Assignees: EXXONMOBIL CHEMICAL PATENTS INC., CHEVRON ORONITE COMPANY LLCInventors: Sara Yue Zhang, Maryam Sepehr, David L. Morgan, Jingwen Zhang, Jo Ann M. Canich, Peijun Jiang, John R. Hagadorn, Chase A. Eckert, Sarah J. Mattler, Shuhui Kang, Pritesh Arjunbhai Patel
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Publication number: 20240071301Abstract: Provided is a pixel circuit. In the pixel circuit, a data write circuit may transmit a data signal to a first node; a compensation circuit may adjust a potential of a second node and a potential of a third node based on a gate drive signal; a first reset circuit may transmit a first initial power supply signal to the third node; a drive circuit may transmit a drive signal to the second node based on the potential of the third node and a potential of the first node; and a second reset circuit may transmit a second initial power supply signal to a first electrode of a light-emitting element.Type: ApplicationFiled: May 21, 2021Publication date: February 29, 2024Inventors: Jingwen Zhang, Yunsheng Xiao, Miao Wang
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Patent number: 11900874Abstract: The pixel circuit of the present disclosure includes: a light emitting module configured to emit light; a driving module configured to drive the light emitting module to emit light based on a driving voltage in a luminescence stage; a storage module configured to maintain and provide the driving voltage to the driving module in the luminescence stage; a first transistor, having a first electrode coupled to a position from which the driving module acquires the driving voltage; a second transistor, having a first electrode coupled to the first electrode of the first transistor, and a second electrode being not directly coupled to a signal source; and a voltage stabilizing capacitor, having a first electrode coupled to the second electrode of the second transistor, and a second electrode coupled to a constant voltage signal source.Type: GrantFiled: November 27, 2020Date of Patent: February 13, 2024Assignees: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Jingwen Zhang, Yunsheng Xiao, Miao Wang, Yuqian Pang
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Patent number: 11893325Abstract: A method and an apparatus for setting an evacuation exit under a crowd emergency evacuation scenario are provided. A simulation model is constructed based on a social force model, and a behavior parameter of an evacuating crowd under the crowd emergency evacuation scenario is obtained by a numerical approximation method with actual trajectory data of individuals in the evacuating crowd under a specific emergency evacuation scenario as a reference; an evacuation exit set is set, an integer programming solution for evacuation exit decision under the emergency evacuation scenario is constructed, and a total evacuation cost of the evacuation exit is obtained based on the simulation model; and reduction of the total evacuation cost is taken as an optimization target to construct an emergency evacuation optimization model based on constraint conditions, and the emergency evacuation optimization model is solved to obtain a recommended integer programming solution for evacuation exit decision.Type: GrantFiled: May 9, 2023Date of Patent: February 6, 2024Assignee: CCTEG CHINESE INSTITUTE OF COAL SCIENCEInventors: Han Liu, Qingjie Qi, Yue Zhang, Jingwen Zhang, Jiamei Chai
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Publication number: 20230367930Abstract: A method and an apparatus for setting an evacuation exit under a crowd emergency evacuation scenario are provided. A simulation model is constructed based on a social force model, and a behavior parameter of an evacuating crowd under the crowd emergency evacuation scenario is obtained by a numerical approximation method with actual trajectory data of individuals in the evacuating crowd under a specific emergency evacuation scenario as a reference; an evacuation exit set is set, an integer programming solution for evacuation exit decision under the emergency evacuation scenario is constructed, and a total evacuation cost of the evacuation exit is obtained based on the simulation model; and reduction of the total evacuation cost is taken as an optimization target to construct an emergency evacuation optimization model based on constraint conditions, and the emergency evacuation optimization model is solved to obtain a recommended integer programming solution for evacuation exit decision.Type: ApplicationFiled: May 9, 2023Publication date: November 16, 2023Inventors: Han LIU, Qingjie QI, Yue ZHANG, Jingwen ZHANG, Jiamei CHAI
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Patent number: 11817161Abstract: A shift register, a drive method, a drive circuit, a display substrate, and a display device are provided. The shift register includes an input unit, a first control unit, a second control unit, an output unit, and a voltage stabilizing unit. The input unit is configured to provide a signal of a signal input end to a first node and a signal of a first power supply end to a second node. The first control unit is configured to control a signal of a fourth node. The second control unit is configured to provide a signal of a second power supply end to the first node. The output unit is configured to provide the signal of the first or the second power supply end to the output end. The voltage stabilizing unit is connected to the first node, fifth node, the output end, and the first power supply end.Type: GrantFiled: February 19, 2021Date of Patent: November 14, 2023Assignees: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Jingwen Zhang, Jianwu Hao, Gen Li
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Publication number: 20230351969Abstract: The pixel circuit includes: a light emitting module configured to emit light; a driving module configured to drive the light emitting module to emit light according to a driving voltage during a light emitting stage; a storage module configured to maintain the driving voltage and to provide the driving voltage to the driving module during the light emitting stage; a first transistor, a first electrode of the first transistor being connected to a position where the driving module receives the driving voltage, and a second electrode of the first transistor being not directly connected to a signal source; a second transistor, a first electrode of the second transistor being connected to the first electrode of the first transistor, wherein a structure to which a second electrode of the second transistor is connected is different from a structure to which the second electrode of the first transistor is connected.Type: ApplicationFiled: June 30, 2023Publication date: November 2, 2023Inventors: Jingwen ZHANG, Yunsheng XIAO, Miao WANG, Dan CAO
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Publication number: 20230354642Abstract: A display panel and a display device, relate to the technical field of display technology. The present disclosure disposes a plurality of subpixel on a substrate, each subpixel comprises a compensating transistor, a drive transistor, a storage capacitance and a first initialization signal line, a first active pattern of the compensating transistor includes a first active section, a second active section and a third active section, the second active section extends along a first direction, and extension directions of the first active section and the third active section intersect with the first direction; the first initialization signal line extends along the first direction, and an overlapping area exists between an orthogonal projection of the first initialization signal line on the substrate and an orthogonal projection of the second active section on the substrate, the first initialization signal line overlaps with the first active pattern directly to form a coupling capacitance.Type: ApplicationFiled: April 29, 2021Publication date: November 2, 2023Applicants: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Miao Wang, Yunsheng Xiao, Jingwen Zhang
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Patent number: D1002515Type: GrantFiled: March 15, 2022Date of Patent: October 24, 2023Assignee: TIANJIN WANDA TYRE CO., LTD.Inventors: Peng Geng, Jingwen Zhang, Kaiyun Song