Patents by Inventor Xiaofeng Yu
Xiaofeng Yu 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: 20240191082Abstract: Provided are a thermal barrier coating and a preparation method thereof, which belong to the field of coating technology.Type: ApplicationFiled: April 2, 2022Publication date: June 13, 2024Inventors: Xiancheng Zhang, Xiaofeng Zhao, Yali Yu, Shantung Tu, Dingwu Zhang, Xiaobo Wang, Junmiao Shi, Weize Wang
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Patent number: 12010876Abstract: Provided are a display substrate and a manufacturing method thereof, and a display device. The display substrate includes: a base substrate; a drive circuit layer formed on the base substrate and including an interlayer dielectric layer at the display region and the transition region; display parts at the display region, including a first electrode and a pixel definition portion sequentially formed on the interlayer dielectric layer; a first packaging dam and a second packaging dam at the transition region and around the opened region, each including a protective portion and a blocking portion sequentially laminated on the interlayer dielectric layer. The second packaging dam is at a side of the first packaging dam away from the display region, and a thickness of the second packaging dam is greater than that of the first packaging dam.Type: GrantFiled: March 18, 2020Date of Patent: June 11, 2024Assignees: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Xin Zhang, Yang Zhou, Yupeng He, Xiaofeng Jiang, Meng Zhang, Lu Bai, Yi Qu, Huijun Li, Lulu Yang, Pengfei Yu, Hao Zhang, Mengqi Wang
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Publication number: 20240176178Abstract: Provided is a liquid crystal handwriting board. The liquid crystal handwriting board includes: a liquid crystal panel, a photosensitive assembly, and a control assembly; wherein the liquid crystal panel includes a first substrate and a second substrate that are opposite; the photosensitive assembly includes a plurality of photosensitive elements; and the control assembly is electrically connected to the liquid crystal panel and the photosensitive assembly, and is configured to determine position information of a pixel region for erasure by detecting position information of target light irradiated to the liquid crystal panel by the photosensitive assembly and supply a pixel voltage to the plurality of pixel electrodes in the pixel region for erasure, such that a voltage difference is present between the plurality of pixel electrodes in the pixel region for erasure and the common electrode.Type: ApplicationFiled: August 22, 2022Publication date: May 30, 2024Inventors: Jiaxing WANG, Hao YAN, Xiaojuan WU, Hongliang YUAN, Jian WANG, Yao BI, Jinshuai DUAN, Yang GE, Zhilong DUAN, Zhiqiang YU, Xianglei QIN, Xiuliang WANG, Xiaofeng YIN
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Patent number: 11984797Abstract: The present disclosure provides an adapter circuit including a bus capacitor, a PMOS power transistor, and a sampling control module; a positive terminal of the bus capacitor is connected to a DC bus voltage, and a negative terminal of the bus capacitor is connected to a drain of the PMOS power transistor; a gate of the PMOS power transistor is connected to a drive signal, and a source of the PMOS power transistor is grounded; the sampling control module is used to obtain the drive signal by detecting an AC mains input voltage and a power-down voltage when the bus discharges, so as to turn off the PMOS power transistor after the AC mains input voltage reaches a peak value, and turn on the PMOS power transistor after the power-down voltage reaches a set voltage; the drive signal includes a PMOS Turn-on signal and a PMOS Turn-off signal.Type: GrantFiled: July 5, 2023Date of Patent: May 14, 2024Assignee: ZHEJIANG UNIVERSITYInventors: Faxin Yu, Yihe Wang, Xiaofeng Lv, Hua Chen, Jiongjiong Mo, Zhiyu Wang
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Publication number: 20240119905Abstract: A display substrate, a manufacturing method and a display device are provided. At least one of the plurality of shift register units in the scan driving circuit includes an output circuit including an output transistor and an output reset transistor; a length of the active layer of the output transistor/the output reset transistor in the first direction is a first length/a second length, and a sum thereof is an output active length; a smaller one of minimum width of the active layer of the output transistor and the output reset transistor in a second direction is a first output active width, the first direction intersects the second direction; a ratio of the output active length to the first output active width is within a first predetermined ratio range greater than or equal to 3 and less than or equal to 11.Type: ApplicationFiled: December 19, 2023Publication date: April 11, 2024Inventors: Lu BAI, Haigang QING, Pengfei YU, Jie DAI, Xiaofeng JIANG
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Patent number: 11947578Abstract: A method for retrieving a multi-turn dialogue, a storage medium, and an electronic device are provided. The detailed implementation includes: obtaining present question information and context information of the present question information; obtaining a plurality of pieces of candidate reply information of the present question information; generating a context feature based on the context information, and generating a plurality of candidate reply features based on the plurality of pieces of candidate reply information; obtaining consistency information between the context feature and each of the plurality of candidate reply features; selecting a piece of candidate reply information from the plurality of pieces of candidate reply information for replying based on the consistency information between the context feature and each of the plurality of candidate reply features.Type: GrantFiled: June 16, 2021Date of Patent: April 2, 2024Assignee: BAIDU ONLINE NETWORK TECHNOLOGY (BEIJING) CO., LTD.Inventors: Xiaofeng Yu, Xiyao Lin, You Han, Litao Zheng
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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: 11926188Abstract: A method and system for adjusting height and damping force, the method comprising: between a first connection part (110) and a second connection part (120), arranging a pneumatic valve (130), an air spring (140), an adjustable damper (150) and a damping force adjustment device (160) used for adjusting the damping force of an adjustable damper (150), the positions of the pneumatic valve (130), the air spring (140), the adjustable damper (150) and the damping force adjustment device (160) being adaptive and the pneumatic valve (130) being connected to the damping force adjustment device (160) and the air spring (140), respectively; the pneumatic valve (130) collects at least one movement variable of the first connection part (110) relative to the second connection part (120); meanwhile, the pneumatic valve (130), according to the collected movement variable and/or the change in the movement variable, controlling the air spring (140) to inflate or deflate so as to implement height adjustment; and/or carrying outType: GrantFiled: October 19, 2020Date of Patent: March 12, 2024Assignee: Airlop (Beijing) Automotive Technology Co., LtInventors: Xiaofeng Zhang, Jia Zhang, Guo Sun, Manhua Yu, Yongjiang Feng
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Publication number: 20240080100Abstract: A broadband radio frequency signal optical fiber phase-stable transmission system includes a local end and a remote end connected by a dispersion compensation module and an optical fiber. The local end modulates a first auxiliary signal whose frequency is half of the frequency of the to-be-transmitted signal and a second auxiliary signal whose frequency is 1.5 times the frequency of the to-be-transmitted signal through the optical carrier and filters out a lower sideband to obtain an optical signal containing only the optical carrier, a first signal, and a second signal corresponds to the optical signal of the first-order upper sideband. The optical signal is transmitted to the remote end through the dispersion compensation module and the optical fiber.Type: ApplicationFiled: September 2, 2022Publication date: March 7, 2024Inventors: Xiaofeng Jin, Yaoqi Xu, Jichen Qiu, Xiaohuan Sun, Xianbin Yu, Xiangdong Jin, Yinfang Xie
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Publication number: 20230391669Abstract: The present disclosure provides a grouting reinforcement filler for mining and a preparation method thereof The grouting reinforcement filler for mining includes a first component and a second component. The first component includes 100 to 130 parts by weight of a polyol polymer, 0.8 to 1.2 parts by weight of a catalyst, 0.1 to 0.3 parts by weight of a foaming agent, and 0.5 to 1.5 parts by weight of a surfactant, and the second component includes 65 to 85 parts by weight of polyisocyanate, 5 to 15 parts by weight of a modifier, 10 to 20 parts by weight of a plasticizer, and 10 to 15 parts by weight of a reactive flame retardant.Type: ApplicationFiled: March 13, 2023Publication date: December 7, 2023Inventors: Xiaofeng YU, Yuchao WANG, Dong SHEN, Lizong LIU, Guangfeng BAI, Yifang LIU, Mingkun ZHANG, Mengyuan JIA, Enqing XIE
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Publication number: 20230343018Abstract: An image rendering method and a related device thereof are disclosed. The method includes: performing ray tracing based on rendering information of a reflecting object, and storing an obtained image of a reflection in the reflecting object in a first frame buffer, where the first frame buffer is used for storing an image that does not need to be displayed temporarily; performing rasterization separately based on the rendering information of the reflecting object and rendering information of a reflected object, and storing an obtained image of the reflecting object and an obtained image of the reflected object in a second frame buffer, where the second frame buffer is used for storing an image to be displayed; and obtaining, from the first frame buffer, the image of the reflection in the reflecting object, and storing the image of the reflection in the reflecting object in the second frame buffer.Type: ApplicationFiled: June 27, 2023Publication date: October 26, 2023Inventors: Xindong SHI, Chang LIU, Yunfei ZHANG, Xiaofeng YU
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Patent number: 11753742Abstract: A high-temperature forming device for imperfect single-crystal wafers used for a neutron monochromator includes a heating electric furnace, a temperature control system, a die system, a loading system, a vacuum protection system, and an auxiliary system. Where a furnace mouth of the heating electric furnace faces downwards, the heating electric furnace can be lifted vertically or a hearth of the heating electric furnace can be opened and closed. A vacuum protection cavity is formed by a glass cover and a blocking flange, a through hole is formed in one end of the glass cover, and the other end of the glass cover is closed. An operation opening is formed in the glass cover, the die system includes an upper die, a middle die, and a lower die, the middle die is a composite die.Type: GrantFiled: October 29, 2021Date of Patent: September 12, 2023Assignee: Changsha University of Science & TechnologyInventors: Wei Xie, Yibing Luo, Yonggang Tong, Xiaofeng Yu, Taishan Cao
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Publication number: 20230243744Abstract: Disclosed are a method and a system for automatically detecting and reconstructing spectrum peaks in near infrared spectrum analysis of tea, including the following steps: firstly collecting initial spectrum data, then initializing parameters, then calculating the position and width of absorption peaks, then updating correlation coefficients and screening sparse blocks, then calculating the cost function and the expectation, then determining termination conditions, and finally outputting reconstruction data.Type: ApplicationFiled: March 30, 2023Publication date: August 3, 2023Inventors: Tianhong PAN, Chao WU, Qi CHEN, Shan CHEN, Yuan FAN, Qiong WU, Xiaofeng YU
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Publication number: 20230219141Abstract: A cutting tool mounting assembly includes a base that defines a receptacle. A bushing is configured to be received in the receptacle and includes an aperture. A rotatable cutting tool is received in the aperture of the bushing. The rotatable cutting tool includes a cutting tip. The cutting tool mounting assembly includes a split, modular and wireless wear detection system including a target proximate the cutting tip for emitting a signal representative of the wear of the cutting tip, a sensor element for detecting the signal emitted by the target at a spaced apart location with respect to the target, a data recording and data transmitting device for recording data from the sensor element and for wirelessly communicating the data to a processor and/or a display device.Type: ApplicationFiled: January 10, 2023Publication date: July 13, 2023Inventors: Shuangyuan Zhang, Hongyu Zhou, Yu Liu, Xiaofeng Yu, Zhiquan Guo
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Publication number: 20230214443Abstract: The present disclosure provides a method for reducing noise in AES detection, including steps: obtaining G based on a sub-array {tilde over (Z)} of detection data; for each element in G, forming a set of data using three adjacent elements including the element in a column direction, and sorting the set of data in a descending order to obtain an array {tilde over (D)}; performing normalization processing on the array {tilde over (D)} to obtain an array D; for each element in {tilde over (Z)}, forming a set of data using three adjacent elements including the element in the column direction, and sorting the set of data in a descending order to obtain an array U of m rows by n columns; calculating a noise difference value in the column direction, i.e., an array C of m rows by n?1 columns; formulating a noise array N of m rows by n columns; and constructing a new sub-array PN.Type: ApplicationFiled: December 14, 2022Publication date: July 6, 2023Inventors: Ziyang GUO, Yang ZHAO, Rui LI, Xiaofeng YU, Dehuai SU, Xiaowei ZHU
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Publication number: 20230204504Abstract: Disclosed is a method for extracting net signal of near infrared spectrum and a system thereof, and relates to the technical field of near infrared spectrum. The method comprises the following steps: collecting a sample to obtain the original data of the near infrared spectrum of the sample; detecting the content of the analyte of interest by using a chemical detection method as a response variable; applying different spectral pre-processing methods and the combination of different spectral pre-processing methods to the original spectral data, and the optimal pre-processing scheme is found by using the ten-fold cross test, and selecting the wave band related to the response variables by using a Least Absolute Shrinkage and Selection Operator (LASSO) algorithm.Type: ApplicationFiled: February 14, 2023Publication date: June 29, 2023Inventors: Tianhong PAN, Menghu LI, Qi CHEN, Shan CHEN, Yuan FAN, Xiaofeng YU
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Publication number: 20230019250Abstract: The present disclosure generally relates to methods and user interfaces for authentication, including providing authentication at a computer system in accordance with some embodiments.Type: ApplicationFiled: April 28, 2022Publication date: January 19, 2023Inventors: SungChang LEE, Bowen CHENG, Yue HANG, Weiqi PAN, Yue SHEN, Xiaoguang YANG, Xiaofeng YU, Feng ZHANG, Liang ZHAO, Qiuji ZHAO, Wendong ZHONG
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Publication number: 20220162770Abstract: A high-temperature forming device for imperfect single-crystal wafers used for a neutron monochromator includes a heating electric furnace, a temperature control system, a die system, a loading system, a vacuum protection system, and an auxiliary system. Where a furnace mouth of the heating electric furnace faces downwards, the heating electric furnace can be lifted vertically or a hearth of the heating electric furnace can be opened and closed. A vacuum protection cavity is formed by a glass cover and a blocking flange, a through hole is formed in one end of the glass cover, and the other end of the glass cover is closed. An operation opening is formed in the glass cover, the die system includes an upper die, a middle die, and a lower die, the middle die is a composite die.Type: ApplicationFiled: October 29, 2021Publication date: May 26, 2022Applicant: Changsha University of Science & TechnologyInventors: Wei XIE, Yibing LUO, Yonggang TONG, Xiaofeng YU, Taishan CAO
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Publication number: 20220157792Abstract: The present application provides a method for improving colour difference of an LED display screen, comprising: drilling and polishing circuit surfaces of a plurality of LED substrates; performing screen printing on the circuit surfaces of the plurality of LED substrates, and performing oil skimming on a mesh screen during the screen printing every other preset printing cycle in such a way that an ink on the mesh screen has a viscosity within a predetermined viscosity range; performing an exposure setting process on the plurality of LED substrates that have been screen printed to obtain a plurality of LED printed circuit boards; and finally assembling the plurality of LED printed circuit boards to form an LED display screen.Type: ApplicationFiled: December 6, 2019Publication date: May 19, 2022Inventors: Guoke Huang, Hua XIANG, Jun YANG, Xiaofeng YU
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Publication number: 20210311979Abstract: A method for retrieving a multi-turn dialogue, a storage medium, and an electronic device are provided. The detailed implementation includes: obtaining present question information and context information of the present question information; obtaining a plurality of pieces of candidate reply information of the present question information; generating a context feature based on the context information, and generating a plurality of candidate reply features based on the plurality of pieces of candidate reply information; obtaining consistency information between the context feature and each of the plurality of candidate reply features; selecting a piece of candidate reply information from the plurality of pieces of candidate reply information for replying based on the consistency information between the context feature and each of the plurality of candidate reply features.Type: ApplicationFiled: June 16, 2021Publication date: October 7, 2021Applicant: BAIDU ONLINE NETWORK TECHNOLOGY (BEIJING) CO., LTD.Inventors: Xiaofeng YU, Xiyao LIN, You HAN, Litao ZHENG