Patents by Inventor Pengfei Zhou
Pengfei Zhou 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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Patent number: 11971555Abstract: An optical system including an enclosure including a front end and a rear end, a first pair of apertures configured to be disposed on a front plane on the front end of the enclosure and a single optical lens system disposed between the front end and the rear end of the enclosure, wherein the first pair of apertures are configured to allow sets of light rays into the enclosure through the single optical lens system to be cast on an image plane as first and second spots, the image plane being parallel to the front plane, if the first and second spots are concentrically disposed, the sets of light rays are determined to be parallelly disposed with respect to one another, otherwise the sets of light rays are determined to not be parallelly disposed with one another.Type: GrantFiled: October 30, 2023Date of Patent: April 30, 2024Assignee: MLOptic Corp.Inventors: Pengfei Wu, Siyuan Liang, Wei Zhou
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Patent number: 11974466Abstract: A first planarization layer, an anode lap joint later, a pixel defining layer are between the first dam and the display area; the anode lap joint layer includes a main body portion and sharp angle portions; the sharp angle portion at least includes a first side edge close to the display area; the pixel defining layer wraps a border of the anode lap joint layer and has a first groove extending from one to the other sharp angle portion. An edge of the first groove adjacent to the first side edge of the sharp angle portion is a second side edge; and an orthographic projection of the second side edge on a base substrate is in an orthographic projection of the third groove on the base substrate.Type: GrantFiled: July 27, 2020Date of Patent: April 30, 2024Assignees: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Lu Bai, Li Song, Chang Luo, Sen Du, Pengfei Yu, Jie Dai, Yang Zhou
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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: 11965412Abstract: A quantitative evaluation method for integrity and damage evolution of a cement sheath in an oil-gas well is provided based on a fractal theory, an image processing technology, structural features and failure mechanisms of a casing-cement sheath-formation combination. The method uses correlations among fractal dimensions of casing-cement sheath interface morphology, cement sheath microscopic pore morphology, particle morphology of an initial blank group, and macroscopic mechanical properties including a radial cementing strength of the cement sheath interface, a tensile strength, and a compressive strength to quantitatively evaluate the integrity of the cement sheath of the blank group.Type: GrantFiled: May 5, 2023Date of Patent: April 23, 2024Assignee: SOUTHWEST PETROLEUM UNIVERSITYInventors: Kuanhai Deng, Niantao Zhou, Yuanhua Lin, Mingyuan Yao, Ming Zhang, Deqiang Yi, Pengfei Xie, Yang Peng
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Publication number: 20240123838Abstract: A battery module includes: a plurality of cells; and a cell restraining structure having an internal frame and an external shell fit with the internal frame to form a plurality of chambers for receiving the plurality of cells respectively so as to package and manage the cells. The internal frame includes an elastic element forming at least one first surface of each chamber, the elastic element being elastically deformed as being pressed by a predetermined amount by a corresponding cell received in each chamber such that the elastically deformed elastic element exerts a first force to the corresponding cell. The elastically deformed elastic element is further pressed or tends to recover in responding to reversible expansion or contraction of the corresponding cell in operation such that a restraining force to the corresponding cell is determined by the first force.Type: ApplicationFiled: November 17, 2020Publication date: April 18, 2024Applicant: SAIC MOTOR CORPORATION LIMITEDInventors: Kewei LU, Dingxian ZHOU, Zhao LI, Dong XU, Pengfei ZHAO
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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: 20240117061Abstract: An anti-BCMA antibody or an antigen-binding fragment thereof, and an application thereof in the treatment or prevention of tumor.Type: ApplicationFiled: December 16, 2020Publication date: April 11, 2024Inventors: Lijuan FANG, Jian SHI, Shan HUA, Jing ZHANG, Kaili ZHANG, Pengfei ZHOU
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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
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Patent number: 11950466Abstract: A display substrate, a method of manufacturing the same, and a display apparatus are provided. Multiple subpixels in the display substrate include first and second subpixels. Each subpixel includes a power signal line pattern and a light-emitting element. The power signal line pattern includes first and second power line portions. At least a part of the first power line portion extends in a second direction. The light-emitting element includes an anode pattern. In the display substrate, an overlap between the anode pattern of the first subpixel and the power signal line pattern is larger in area than an overlap between the anode pattern of the second subpixel and the power signal line pattern, an overlap between the anode pattern of the first subpixel and the first power line portion is larger in area than an overlap between the anode pattern of the first subpixel and the second power line portion.Type: GrantFiled: August 31, 2020Date of Patent: April 2, 2024Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Pengfei Yu, Haigang Qing, Tinghua Shang, Jie Dai, Lu Bai, Chenxing Wan, Yang Zhou
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Publication number: 20240101836Abstract: The present disclosure provides an expanded coating, a preparation method and use thereof, and a permanent magnet comprising same. The expanded coating described herein comprises pores and a filler resin arranged among the pores; the pores comprise at least a spheroid pore having a cross section with a long diameter and a short diameter; in the cross section of the expanded coating, the area of the spheroid pores accounts for 50%-60% of the cross-sectional area of the expanded coating. The permanent magnet of the present disclosure comprises the expanded coating. The expanded coating has high strength and can exhibit excellent mechanical properties and corrosion resistance at high temperatures (such as 170° C.), with a shear strength greater than 2 MPa, a tensile strength greater than 2 MPa, an oil resistance greater than 1800 h and a neutral salt spray performance greater than 288 h at 170° C.Type: ApplicationFiled: September 26, 2023Publication date: March 28, 2024Inventors: Zhiqiang LI, Wen LI, Pengfei WANG, Bin ZHOU, Yunting SU
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Publication number: 20240099053Abstract: A display substrate, a manufacturing method thereof, and a display device are provided. A pixel region is provided with a light emission function layer on a base substrate of the display substrate, and a separation region is provided with at least one first barrier structure. The first barrier structure includes a stopper pattern and a first separation component. A side surface of the first separation component has a recess, and a portion of the light emission function layer extending to the separation region is disconnected on the side of the first separation component. The separation region is provided with an inorganic layer structure on the base substrate. The inorganic layer structure includes multiple stacked inorganic film layers, the stopper pattern is located between two adjacent inorganic film layers and the first separation component is located on a side of the inorganic layer structure away from the base substrate.Type: ApplicationFiled: November 15, 2023Publication date: March 21, 2024Inventors: Yupeng HE, Yang ZHOU, Xin ZHANG, Pengfei YU, Xiaofeng JIANG, Yi QU, Lulu YANG, Huijun LI, Meng ZHANG
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Patent number: 11922838Abstract: A display panel, comprising a first insulating structural layer, a first crack detection line, a second insulating structural layer and a second crack detection line which are sequentially arranged on a substrate, wherein the first crack detection line and the second crack detection line are both located in a peripheral area and are arranged around a display area, one end of the first crack detection line is configured to receive a detection signal, and the other end of the first crack detection line is configured to output a first output signal, and one end of the second crack detection line is configured to receive a detection signal and the other end of the second crack detection line is configured to output a second output signal.Type: GrantFiled: April 13, 2021Date of Patent: March 5, 2024Assignees: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Yu Wang, Yi Zhang, Tingliang Liu, Chang Luo, Hao Zhang, Huijuan Yang, Tinghua Shang, Yang Zhou, Pengfei Yu, Shun Zhang, Xiaofeng Jiang, Huijun Li, Linhong Han
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Publication number: 20240069426Abstract: A projection curtain is provided in the present invention. The projection curtain at least comprises a reflective layer and one of a colored layer, a diffusion layer, and a Fresnel lens layer. The Fresnel lens layer is a spherical Fresnel lens layer or an aspherical Fresnel lens layer. The Fresnel lens layer comprises a plurality of annular protrusions protruding from a plane, the plurality of annular protrusions are arranged in circular bands. A cross-sectional shape of each annular protrusion along a cross section perpendicular to the plane is a triangular shape or a multi-step shape or a free surface shape. The width of one side of each cross-sectional shape parallel to the plane gradually changes, and gradual change of the cross-sectional shape and the width thereof determines light gathering characteristics of the spherical Fresnel lens layer or the aspherical Fresnel lens layer. A surface of each annular protrusion has scattered microstructures.Type: ApplicationFiled: January 18, 2022Publication date: February 29, 2024Applicants: IVTECH JIANGSU CO., LTD., IVTOUCH CO., LTD., SVG TECH GROUP CO., LTD.Inventors: Xiaohong ZHOU, Ming ZHU, Donglin PU, Pengfei ZHU, Haoshu ZHU, Rubin SUN, Linsen Chen
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Publication number: 20240008504Abstract: The present invention discloses powdered oil based on an olesome emusion and a preparation method and an application thereof. The preparation method includes the following steps: preparation of olesome emulsion of an oil stock, addition of a wall material and spray drying. The preparation method for the powdered oil provided by the present invention is based on an olesome emulsion system; and compared with the traditional preparation process for the powdered oil, the preparation method has many advantages that the prepared olesome emulsion does not contain hydrogenated vegetable oil and an exogenous emulsifier, is high in content of active oil accompaniments, and has an embedding rate close to 100 percent, a low production cost, strong storage stability and a certain natural oil stock flavor.Type: ApplicationFiled: April 12, 2023Publication date: January 11, 2024Inventors: Zhihao ZHAO, Mingwei ZHANG, Yuanyuan DENG, Pengfei ZHOU, Zhencheng WEI, Yan ZHANG, Xiaojun TANG, Guang LIU, Ping LI
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Publication number: 20230335820Abstract: A battery apparatus includes a liquid cooling member and at least two batteries arranged in a stack. The at least two batteries are located on a same side of the liquid cooling member, and the liquid cooling member is provided with a protrusion. The protrusion communicates with the liquid cooling member. The protrusion is located between the liquid cooling member and the at least two batteries, and the protrusion at least cools the at least two batteries simultaneously.Type: ApplicationFiled: August 2, 2022Publication date: October 19, 2023Applicant: CALB Co., Ltd.Inventors: Pengfei Zhou, Lulu Zhang
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Publication number: 20230335819Abstract: A liquid cooling device and a battery pack are provided. The liquid cooling device includes a plurality of liquid cooling units connected in parallel. Each of the liquid cooling units includes at least one liquid cooling pipe, the liquid cooling pipe in at least one of the liquid cooling units is multiple in number, and the plurality of the liquid cooling pipes are connected in series. An accommodation space for accommodating batteries is formed between adjacent two of the liquid cooling pipes.Type: ApplicationFiled: July 29, 2022Publication date: October 19, 2023Applicant: CALB Co., Ltd.Inventors: Pengfei Zhou, Tinglu Yan, Lulu Zhang
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Publication number: 20230335833Abstract: A battery pack includes an insulating support, a liquid cooling tube, and at least two batteries. The insulating support includes a heat insulating portion. The heat insulating portion is located between adjacent two of the batteries. At least a part of an outer periphery of each battery is accommodated in the heat insulating portion. At least a part of the outer periphery of each battery exposed to an outside of the heat insulating portion is in contact with the liquid cooling tube.Type: ApplicationFiled: July 1, 2022Publication date: October 19, 2023Applicant: CALB Co., Ltd.Inventors: Pengfei Zhou, Tinglu Yan, Lulu Zhang
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Publication number: 20230275324Abstract: A busbar assembly includes a first busbar configured to connect two adjacent battery units. The first busbar includes a first connection part and a second connection part. The first connection part is used to connect a first electrode terminal of one of the battery units. The second connection part is used to connect the second electrode terminal of the other one of the battery units, and the second connection part and the first connection part are in staggered arrangement. The first connection part and the second connection part of the first busbar are in staggered arrangement, to match a vertical distance between a lead surface of the second electrode terminal and a lead surface of the first electrode terminal on a same side of the battery units.Type: ApplicationFiled: April 27, 2022Publication date: August 31, 2023Applicant: CALB Co., Ltd.Inventors: Liujie Wang, Hao Ma, Pengfei Zhou, Tinglu Yan
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Patent number: D1017830Type: GrantFiled: January 9, 2023Date of Patent: March 12, 2024Assignee: Aikang MedTech Co., LtdInventors: Chuanguo Zhang, Pengfei Lai, Kai Zheng, Shizhen Zhou, Wuning Zhong