Patents by Inventor Feifei Zhu
Feifei Zhu 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: 20240145336Abstract: An interface interconnect structure is provided for efficient heat dissipation of a power electronic device. The structure includes a first low temperature solder layer and a second low temperature solder layer, a metal-foam metal composite material is placed between the first low temperature solder layer and the second low temperature solder layer. The metal-foam metal composite material has designability in structure and performance. The thermal conductivity and coefficient of thermal expansion (CTE) of the thermal interface interconnect structure can be configured according to the selected encapsulating materials for a power electronic device, thereby achieving bisynchronous improvement in the heat dissipation efficiency and the CTE matching degree between the encapsulating materials.Type: ApplicationFiled: August 29, 2023Publication date: May 2, 2024Inventors: Mingliang Huang, Lin Zhu, Jing Ren, Feifei Huang
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Patent number: 11966594Abstract: In certain aspects, a memory system includes at least one memory device and a memory controller coupled to the at least one memory device. The memory controller may be configured to determine a current power consumption value indicating total concurrent power consumption of executing a plurality of memory operations in parallel. The memory controller may also be configured to determine an addon power consumption value indicating additional power consumption of executing a subsequent memory operation. The memory controller may be further configured to determine whether a summation of the current and the addon power consumption values exceeds a predetermined power consumption threshold. After determining that the summation of the current and the addon power consumption values does not exceed the predetermined power consumption threshold, the memory controller may be configured to execute the subsequent memory operation in parallel with the plurality of memory operations.Type: GrantFiled: July 23, 2021Date of Patent: April 23, 2024Assignee: YANGTZE MEMORY TECHNOLOGIES CO., LTD.Inventors: Feifei Zhu, Youxin He
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Patent number: 11946735Abstract: Disclosed is a method fir measuring a deviation angle of a fatigue microcrack based on nonlinear ultrasound, comprising: preliminarily positioning a fatigue microcrack to obtain a center of the microcrack; selecting a horizontal positive direction, and defining an orientation angle; drawing a positive circumference on a surface of a metal plate, and selecting a fixed interval angle; placing an excitation sensor and a receiving sensor on the drawn positive circumference according to the orientation angle; ultrasonically testing each group of ultrasonic sensing paths, and recording time domain waveform signals formed by each group of ultrasonic sensing paths; converting each group of time domain waveform signals into a corresponding frequency domain graph, extracting an ultrasonic fundamental wave signal amplitude and a second harmonic waveform amplitude, and calculating a relative nonlinear coefficient; drawing an orientation angle-relative nonlinear coefficient polar coordinate graph; and determining a deviatType: GrantFiled: November 3, 2022Date of Patent: April 2, 2024Assignee: Southwest Jiaotong UniversityInventors: Guoqing Gou, Feifei Qiu, Bing Chen, Yuzi Hu, Zhongyin Zhu, Junjun Jin
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Publication number: 20240098037Abstract: Provided is a multimedia data stream processing method, an electronic device and a storage medium, relating to the field of artificial intelligence, and specifically, to the technical fields of cloud computing, media cloud technology, and the like, which may be applied to scenes such as smart cloud. The multimedia data stream processing method includes: allocating a plurality of sub-streams of a multimedia data stream to a plurality of edge resource nodes, where the multimedia data stream is segmented into a plurality of slices and each of the plurality of sub-streams includes a part of the plurality of slices of the multimedia data stream; and scheduling the plurality of edge resource nodes to provide the plurality of sub-streams of the multimedia data stream for a terminal device.Type: ApplicationFiled: January 23, 2023Publication date: March 21, 2024Inventors: Yugang Ke, Chongming Gu, Zhoufeng Wang, Junwen Gao, Weihui Liu, Minglu Li, Feifei Cao, Yongqiang Wu, Xiaoen Zhu
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Publication number: 20230363228Abstract: A display substrate and a display device, the display substrate comprising a transparent display area and a non-display area disposed on the periphery of the transparent display area; the transparent display area comprises a base substrate and a plurality of display units which are arranged in an array on the base substrate; the display units each comprise a display area and a first transparent area; the display areas each comprise a plurality of sub-pixels, and each sub-pixel comprises a pixel driving circuit and a light-emitting element; the pixel driving circuits are configured to drive the light-emitting elements to emit light; and the display area is at least partially surrounded by the first transparent area. The display device comprises the display substrate.Type: ApplicationFiled: November 16, 2021Publication date: November 9, 2023Inventors: Wenbin JIA, Wenfeng SONG, Feifei ZHU
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Patent number: 11685610Abstract: A pick-and-place device of display screen substrate and a control method for picking and placing a display screen substrate are disclosed. The pick-and-place device of display screen substrate includes a housing, a support assembly and a control component. The support assembly is disposed in the housing and includes: a support plate extending in a first direction, and two sets of support bars disposed opposite to each other and spaced apart from each other in the first direction. Each set of support bars includes a plurality of support bars arranged at intervals along a second direction, and each support bars is movable in a third direction. The support plate and the support bar are connected with the housing respectively, and the support plate is provided with an opening configured to allow the support bar to move along the third direction.Type: GrantFiled: November 24, 2017Date of Patent: June 27, 2023Assignees: BOE Technology Group Co., Ltd., Hefei Xinsheng Optoelectronics Technology Co., Ltd.Inventors: Feifei Zhu, Wenming Ren
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Publication number: 20220382467Abstract: In certain aspects, a memory system may include at least one memory device and a memory controller coupled to the at least one memory device. Each memory device may include an array of memory cells and a control logic coupled to the array of memory cells. The memory controller and the control logic of the memory device may be powered by a first power source having a first predetermined power consumption threshold. The array of memory cells of the memory device may be powered by a second power source having a second predetermined power consumption threshold.Type: ApplicationFiled: July 23, 2021Publication date: December 1, 2022Inventors: Feifei Zhu, Youxin He
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Publication number: 20220382466Abstract: In certain aspects, a memory system includes at least one memory device and a memory controller coupled to the at least one memory device. The memory controller may be configured to determine a current power consumption value indicating total concurrent power consumption of executing a plurality of memory operations in parallel. The memory controller may also be configured to determine an addon power consumption value indicating additional power consumption of executing a subsequent memory operation. The memory controller may be further configured to determine whether a summation of the current and the addon power consumption values exceeds a predetermined power consumption threshold. After determining that the summation of the current and the addon power consumption values does not exceed the predetermined power consumption threshold, the memory controller may be configured to execute the subsequent memory operation in parallel with the plurality of memory operations.Type: ApplicationFiled: July 23, 2021Publication date: December 1, 2022Inventors: Feifei Zhu, Youxin He
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Publication number: 20220149130Abstract: Provided is a display substrate. The display substrate includes a base substrate, a patterned film disposed on a side of the base substrate, and a planarization film disposed on a side, distal from the base substrate, of the patterned film, wherein a surface, distal from the base substrate, of the patterned film has a depressed portion and a non-depressed portion. A thickness of the depressed portion is less than a thickness of the non-depressed portion, and lyophilicity of the depressed portion lyophilicity is higher than the lyophilicity of the non-depressed portion.Type: ApplicationFiled: November 5, 2021Publication date: May 12, 2022Inventors: Wenming REN, Feifei ZHU, Wenbin JIA
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Publication number: 20210206580Abstract: A pick-and-place device of display screen substrate and a control method for picking and placing a display screen substrate are disclosed. The pick-and-place device of display screen substrate includes a housing, a support assembly and a control component. The support assembly is disposed in the housing and includes: a support plate extending in a first direction, and two sets of support bars disposed opposite to each other and spaced apart from each other in the first direction. Each set of support bars includes a plurality of support bars arranged at intervals along a second direction, and each support bar is movable in a third direction. The support plate and the support bar are connected with the housing respectively, and the support plate is provided with an opening configured to allow the support bar to move along the third direction.Type: ApplicationFiled: November 24, 2017Publication date: July 8, 2021Applicants: BOE Technology Group Co., Ltd., Hefei Xinsheng Optoelectronics Technology Co., Ltd.Inventors: Feifei Zhu, Wenming Ren
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Publication number: 20210028403Abstract: This disclosure relates to the field of display technologies, and discloses an array substrate, a method for fabricating the same, and a display device. The array substrate includes: an underlying substrate; a pixel defining layer located on one side of the underlying substrate, and including a plurality of blocking walls arranged at intervals; and electroluminescent function layers each located between two adjacent blocking walls of the plurality of blocking walls. First metallic nanoparticle layers are arranged on side walls of the plurality of blocking walls proximate to the electroluminescent function layers, and are configured to reflect light exiting the electroluminescent function layers. Thus the light extraction efficiency of OLED elements can be improved.Type: ApplicationFiled: November 6, 2018Publication date: January 28, 2021Inventors: Wenbin JIA, Feifei ZHU, Li SUN, Xiang WAN, Zhijie YE, Xinxin WANG
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Patent number: 10756151Abstract: A method of fabricating a substrate includes forming a planarization layer, and forming the planarization layer includes: forming a first planarization sub-layer on a base substrate on which a patterned film layer has been formed. A surface of the first planarization sub-layer facing away from the base substrate has a plurality of depressed portions. Forming the planarization layer further includes: forming a second planarization sub-layer at multiple depressed portions of the plurality of the depressed portions to obtain the planarization layer including the first planarization sub-layer and the second planarization sub-layer. A flatness of a surface of the planarization layer is higher than a flatness of the surface of the first planarization sub-layer.Type: GrantFiled: October 1, 2018Date of Patent: August 25, 2020Assignees: BOE TECHNOLOGY GROUP CO., LTD., HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventors: Wenbin Jia, Huifeng Wang, Chinlung Liao, Feifei Zhu, Xiang Wan
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Patent number: 10476012Abstract: The present disclosure provides a flexible display substrate, a manufacturing method thereof, and a display panel, belonging to the field of display technology. The manufacturing method includes: forming a release layer structure containing a plurality of charged microspheres on a carrier substrate; forming a flexible substrate and a display device on the release layer structure; and peeling off the carrier substrate and the flexible substrate, to obtain a flexible display substrate.Type: GrantFiled: May 29, 2018Date of Patent: November 12, 2019Assignees: BOE TECHNOLOGY GROUP CO., LTD., HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventors: Wenbin Jia, Feifei Zhu
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Patent number: 10385445Abstract: Embodiments of the present invention disclose a detection device for detecting a thickness of a vacuum-evaporated film and a vacuum evaporation apparatus, thereby solving, for example, a problem that a conventional detection device results in excessively high production cost due to frequent replacement of a crystal plate. The detection device includes: a crystal plate, a detection structure provided with an opening corresponding to the crystal plate such that evaporated molecules or atoms are deposited on the crystal plate through the opening; and a filter disposed between the opening and the crystal plate.Type: GrantFiled: August 1, 2016Date of Patent: August 20, 2019Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Wenbin Jia, Rui Peng, Xinxin Wang, Feifei Zhu, Xinwei Gao
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Publication number: 20190157587Abstract: The present disclosure provides a flexible display substrate, a manufacturing method thereof, and a display panel, belonging to the field of display technology. The manufacturing method includes: forming a release layer structure containing a plurality of charged microspheres on a carrier substrate; forming a flexible substrate and a display device on the release layer structure; and peeling off the carrier substrate and the flexible substrate, to obtain a flexible display substrate.Type: ApplicationFiled: May 29, 2018Publication date: May 23, 2019Inventors: Wenbin JIA, Feifei ZHU
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Publication number: 20190103452Abstract: A method of fabricating a substrate includes forming a planarization layer, and forming the planarization layer includes: forming a first planarization sub-layer on a base substrate on which a patterned film layer has been formed. A surface of the first planarization sub-layer facing away from the base substrate has a plurality of depressed portions. Forming the planarization layer further includes: forming a second planarization sub-layer at multiple depressed portions of the plurality of the depressed portions to obtain the planarization layer including the first planarization sub-layer and the second planarization sub-layer. A flatness of a surface of the planarization layer is higher than a flatness of the surface of the first planarization sub-layer.Type: ApplicationFiled: October 1, 2018Publication date: April 4, 2019Inventors: Wenbin JIA, Huifeng WANG, Chinlung LIAO, Feifei ZHU, Xiang WAN
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Publication number: 20180288402Abstract: A 3D display control method, a 3D display control device and a 3D display apparatus are provided. The method includes: obtaining a left-eye location and a right-eye location of a user through a location detection module; and changing, through a light propagation direction control module, a light propagation direction of an image displayed on the display panel, to project a left-eye image to the left-eye location in a first duration of each display period and to project a right-eye image to the right-eye location in a second duration of each display period, where the first duration does not overlap with the second duration. The device includes a location detection module and a light propagation direction control module.Type: ApplicationFiled: December 6, 2017Publication date: October 4, 2018Applicants: BOE TECHNOLOGY GROUP CO., LTD., HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventors: Huan NI, Xinxia Zhang, Xiao Guo, Feifei Zhu
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Publication number: 20170191156Abstract: Embodiments of the present invention disclose a detection device for detecting a thickness of a vacuum-evaporated film and a vacuum evaporation apparatus, thereby solving, for example, a problem that a conventional detection device results in excessively high production cost due to frequent replacement of a crystal plate. The detection device includes: a crystal plate, a detection structure provided with an opening corresponding to the crystal plate such that evaporated molecules or atoms are deposited on the crystal plate through the opening; and a filter disposed between the opening and the crystal plate.Type: ApplicationFiled: August 1, 2016Publication date: July 6, 2017Inventors: Wenbin Jia, Rui Peng, Xinxin Wang, Feifei Zhu, Xinwei Gao