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: 20250148066Abstract: 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: September 26, 2024Publication date: May 8, 2025Inventors: Sung Chang 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: 20250150070Abstract: Disclosed are an offset calibration method and circuit applied to a comparator array. The offset calibration circuit includes a global calibration voltage generation module, integrators, comparators, a global logic control circuit, and local logic control circuits; an entire comparator array shares the single global calibration voltage generation module, and each of the comparators only needs to introduce an integrator circuit, such that a large calibration range and a small calibration step are achieved, a long calibration cycle and a large circuit area are required, and the requirements for a low area are satisfied. The offset calibration method provided by the present disclosure is similar to a binary search algorithm, which is adopted to search for the offset voltage, the calibration step of 1 2 N ? Vref can be realized by only N cycles, and short calibration time is thus realized.Type: ApplicationFiled: January 7, 2025Publication date: May 8, 2025Inventors: Zhiguo YU, Hai ZHOU, Xiaoyu ZHONG, Xiaofeng GU
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Patent number: 12294378Abstract: Disclosed are an offset calibration method and circuit applied to a comparator array. The offset calibration circuit includes a global calibration voltage generation module, integrators, comparators, a global logic control circuit, and local logic control circuits; an entire comparator array shares the single global calibration voltage generation module, and each of the comparators only needs to introduce an integrator circuit, such that a large calibration range and a small calibration step are achieved, a long calibration cycle and a large circuit area are required, and the requirements for a low area are satisfied. The offset calibration method provided by the present disclosure is similar to a binary search algorithm, which is adopted to search for the offset voltage, the calibration step of 1 2 N ? Vref can be realized by only N cycles, and short calibration time is thus realized.Type: GrantFiled: January 7, 2025Date of Patent: May 6, 2025Assignee: Jiangnan UniversityInventors: Zhiguo Yu, Hai Zhou, Xiaoyu Zhong, Xiaofeng Gu
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Patent number: 12293725Abstract: 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: GrantFiled: December 19, 2023Date of Patent: May 6, 2025Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Lu Bai, Haigang Qing, Pengfei Yu, Jie Dai, Xiaofeng Jiang
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Patent number: 12253750Abstract: 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: GrantFiled: August 22, 2022Date of Patent: March 18, 2025Assignees: Beijing BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventors: 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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Publication number: 20250072210Abstract: 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 13, 2024Publication date: February 27, 2025Inventors: Yupeng HE, Yang ZHOU, Xin ZHANG, Pengfei YU, Xiaofeng JIANG, Yi QU, Lulu YANG, Huijun LI, Meng ZHANG
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Patent number: 12225759Abstract: 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: GrantFiled: November 15, 2023Date of Patent: February 11, 2025Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTDInventors: Yupeng He, Yang Zhou, Xin Zhang, Pengfei Yu, Xiaofeng Jiang, Yi Qu, Lulu Yang, Huijun Li, Meng Zhang
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Patent number: 12216754Abstract: 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: GrantFiled: April 28, 2022Date of Patent: February 4, 2025Assignee: Apple Inc.Inventors: Sung Chang 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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Patent number: 12209673Abstract: A check valve for low pressure operating conditions includes: a valve cover, a valve body, and an upper diaphragm between the body and the cover. A first pressure cavity is provided on a lower surface of the valve cover and used for accommodating a backward direction medium, a second pressure cavity is machined on an upper surface of the valve body, within which an inflow passage and an outflow passage are provided, an inflow hole is machined from an inner wall of the inflow passage to a bottom face of the second pressure cavity, and a medium enters into the second pressure cavity from the inflow passage via the inflow hole, and applies upward pressure on the upper diaphragm. A backflow channel in communication with the first pressure cavity is machined on a side wall of the outflow passage.Type: GrantFiled: September 10, 2021Date of Patent: January 28, 2025Assignee: BEIJING AEROSPACE PETROCHEMICAL TECHNOLOGY AND EQUIPMENT ENGINEERING CORPORATION LIMITEDInventors: Xiaoxia Wei, Xianyu Bao, Na Li, Yixiao Wang, Shangang Guo, Ling Bian, Honghui Yu, Peng Shuai, Xiaofeng Li, Xuebin Wang, Dianjing Chen, Xuli Tang
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Publication number: 20250024724Abstract: A display substrate and a display apparatus. In the display substrate, tat least one of the inter-opening region, the first opening peripheral region and the second opening peripheral region includes a dummy sub-pixel; the display region surrounds these three regions; the first signal line passes through the inter-opening region, provides a display signal to the pixel array and passes through the dummy sub-pixel; the dummy pixel circuit of the dummy sub-pixel includes a compensation capacitor. The first electrode plate of the compensation capacitor is in the same layer as the first signal line and electrically connected with the first signal line; the second electrode plate of the compensation capacitor is in a different layer from and at least partially overlaps with the first electrode plate.Type: ApplicationFiled: September 27, 2024Publication date: January 16, 2025Applicants: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Huijuan YANG, Tingliang LIU, Xiaofeng JIANG, Yang ZHOU, Pengfei YU, Yupeng HE, Gen LI
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Publication number: 20250002699Abstract: A crosslinkable polyolefin composition includes: a) ?60.0 wt. % and ?99.0 wt. % of an ethylene alpha-olefin co-polymer; b) ?1.0 wt. % and ?35.0 wt. % of an ethylene-alpha-olefin-diene terpolymer; c) ?0.1 wt. % and ?5.0 wt. % of a crosslinking agent; with regard to the total weight of the polyolefin composition. A film includes the polyolefin composition. An encapsulated solar cell is encapsulated by at least two sealing layers each including such a film. In addition, a cured solar cell is obtained by subjecting the encapsulated solar cell under conditions of curing the sealing layers, a photovoltaic module includes the cured solar cell.Type: ApplicationFiled: November 2, 2022Publication date: January 2, 2025Inventors: Hongmei ZHOU, Kai GUO, Hao LIU, You Jun WU, Pei SUN, Xiaofeng YU
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Publication number: 20240409466Abstract: A mining grouting reinforcement material is provided and includes a component A including a sodium silicate solution and an amino acid salt, and a component B including an isocyanate, a plasticizer, a filler and a molecular bridging agent. A specific gravity of the filler is 2 to 8.Type: ApplicationFiled: May 22, 2024Publication date: December 12, 2024Inventors: Xiaofeng Yu, Enqing Xie, Gang Sun, Yuchao Wang, Dong Shen, Mingkun Zhang, Kai Wang, Chaohe Hu, Guangfeng Bai, Dezhi Zhang, Yifang Liu, Weihua Liu
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Publication number: 20240378793Abstract: An image rendering method in this application includes S1: performing ray tracing-based intersection calculation based on space information of a reflective object and space information of a reflected object to obtain M intersecting points on the reflected object, where the reflected object corresponds to at least one piece of material information, and M?1; and S2: determining, in the M intersecting points, a plurality of intersecting points corresponding to target material information, and performing shading based on the target material information and space information of the plurality of intersecting points corresponding to the target material information, to obtain an image of a reflection that is of the reflected object and that is in the reflective object, where the target material information is the at least one piece of material information.Type: ApplicationFiled: September 29, 2022Publication date: November 14, 2024Inventors: Xiaofeng YU, Xindong SHI, Chang LIU
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Patent number: 12027504Abstract: 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: GrantFiled: December 6, 2019Date of Patent: July 2, 2024Inventors: Guoke Huang, Hua Xiang, Jun Yang, Xiaofeng Yu
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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: 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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Patent number: D1061557Type: GrantFiled: December 30, 2022Date of Patent: February 11, 2025Assignee: SHENZHEN YINWANG INTELLIGENT TECHNOLOGIES CO., LTD.Inventors: Xiaofeng Liao, Ruidong Lan, Xiaoyue Wang, Sifan Wu, Jiapeng Yu, Qiuyuan Tang