Patents by Inventor Han Zhang
Han 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: 20250145507Abstract: A method for treating refractory organic pollutants in wastewater including: synthesizing an aluminum-based metal oxide with a high specific surface area and surface hydroxyl content; mixing organic pollutants, an oxidant, and chloride ions to yield a reaction solution; adjusting an initial pH value of the reaction solution; and adding the aluminum-based metal oxide to the reaction solution.Type: ApplicationFiled: March 1, 2024Publication date: May 8, 2025Inventors: Weiming ZHANG, Xiaoyang LI, Han ZHANG, Zhichao YANG, Chao SHAN, Ming HUA, Lu LYU, Bingcai PAN
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Publication number: 20250142058Abstract: This disclosure relates to a video processing method performed by a computer device. The method includes: performing decoder-side intra mode derivation processing on a current block in a video bitstream, to obtain a decoder-side intra mode derivation result for the current block; correcting the decoder-side intra mode derivation result for the current block according to the correction indication information; and predicting an intra prediction mode of the current block based on a corrected decoder-side intra mode derivation result, to obtain a predicted value for the current block, the predicted value for the current block being for reconstructing a decoded image corresponding to the current block.Type: ApplicationFiled: December 19, 2024Publication date: May 1, 2025Applicant: Tencent Technology (Shenzhen) Company LimitedInventors: Wei KUANG, Hongbin ZHANG, Han ZHANG
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Patent number: 12288408Abstract: Systems and methods of monitoring inventory of a product storage facility include an image capture device configured to move about the product storage areas of the product storage facility and capture images of the product storage areas from various angles. A computing device coupled to the image capture device obtains the images of the product storage areas captured by the image capture device and processes the obtained images of the product storage areas to detect individual products captured in the obtained images. Based on detection of the individual products captured in the images, the computing device analyzes each of the obtained images to extract meta data from the packaging the individual products to detect one more keywords and determine the locations of the detected keywords on the packaging, and then utilize this information to predict an identity of the products associated with the packaging.Type: GrantFiled: October 11, 2022Date of Patent: April 29, 2025Assignee: Walmart Apollo, LLCInventors: Lingfeng Zhang, Han Zhang, Abhinav Pachauri, Amit Jhunjhunwala, Ashlin Ghosh, Avinash Madhusudanrao Jade, Raghava Balusu, Srinivas Muktevi, Mingquan Yuan, Zhaoliang Duan, Zhiwei Huang, Tianyi Mao
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Patent number: 12288712Abstract: A wafer calibrator structure and calibration method is characterized in that the wafer calibrator structure mainly includes a square box base, a p-direction linear driving device, a Z-direction lifting driving device, a ?-direction rotary driving device, and an optical calibration device. The square box base is a box-shaped structure. The base is rectangular, and columns are installed at the four corners of the base. The upper surface of the columns supports a rectangular top plate, and support pins are installed on the top plate.Type: GrantFiled: January 3, 2025Date of Patent: April 29, 2025Inventors: Han Zhang, Rongsheng Lyu, Zhichun Guo, Zuojun Shen
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Publication number: 20250132406Abstract: A system for calculating the maximum power limit of a battery pack for an electric vehicle includes one or more controllers in electronic communication with the battery pack. A plurality of battery open circuit voltage look-up tables and a plurality of direct current internal resistance (DCIR) look-up tables are stored in memory of the one or more controllers.Type: ApplicationFiled: October 19, 2023Publication date: April 24, 2025Inventors: Han Zhang, Yong Miao, Erin Efimoff
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Patent number: 12281082Abstract: Disclosed are an electroluminescent material and device. The compound is a compound formed by connecting an indole- and pyrrole-fused azamacrocycle to triazine or a similar structure thereof at a specific position and is used as the host material of the electroluminescent device. These novel compounds have significantly reduced evaporation temperature and better thermal stability, can effectively reduce energy consumption, which more facilitates the device manufacturing process, and in addition, can also effectively improve device efficiency and reduce device drive voltage, which can provide better device performance. Further disclosed are an electroluminescent device, a compound formulation, and a display assembly.Type: GrantFiled: June 2, 2021Date of Patent: April 22, 2025Assignee: BEIJING SUMMER SPROUT TECHNOLOGY CO., LTD.Inventors: Qiang Wang, Le Wang, Junfei Wang, Han Zhang, Chi Yuen Raymond Kwong, Chuanjun Xia
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Patent number: 12282723Abstract: A method including: providing a design data of an integrated circuit (IC), the design data comprising a first cell; identifying a first conductive line in the first cell as a critical internal net of the first cell, wherein the first conductive line is electrically connected between an input terminal of the first cell and an output terminal of the first cell; providing a library of the first cell, wherein the library includes a table of timing or power parameters of the first cell based on a multidimensional input set associated with the critical internal net; updating the design data by determining a timing or power value of the first cell based on the table; performing a timing analysis on the updated design data; and forming a photomask based on the updated design data.Type: GrantFiled: February 15, 2022Date of Patent: April 22, 2025Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY LTD.Inventors: Shi-Han Zhang, You-Cheng Lai, Jerry Chang Jui Kao, Pei-Wei Liao, Shang-Chih Hsieh, Meng-Kai Hsu, Chih-Wei Chang
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Publication number: 20250126295Abstract: A video data processing method, performed by a computer device, includes: obtaining reconstructed video data; obtaining one or more candidate pixel threshold pairs, wherein at least one of the one or more candidate pixel threshold pairs include two candidate pixel thresholds having first relationship that is asymmetric; determining one or more distortion costs associated with correcting a target reconstructed video frame of the reconstructed video data in a target correction mode according to the one or more candidate pixel threshold pairs; screening, according to the one or more distortion costs, a target pixel threshold pair of the reconstructed video data, in the target correction mode, from the one or more candidate pixel threshold pairs; and obtaining a target correction result of the reconstructed video data by correcting, in the target correction mode according to the target pixel threshold pair, one or more reconstructed video frames of the reconstructed video data.Type: ApplicationFiled: December 23, 2024Publication date: April 17, 2025Applicant: Tencent Technology (Shenzhen) Company LimitedInventors: Han ZHANG, Hongbin ZHANG, Wei KUANG
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Publication number: 20250126279Abstract: A data processing method, performed by a computer device, includes: acquiring video data; determining classification mode information corresponding to a first block to be encoded in the video data, the classification mode information including: a first extended co-located luma reconstructed pixel, and a first target classification mode corresponding to a first color component pixel in the first block; determining an edge class corresponding to the first color component pixel based on the first extended co-located luma reconstructed pixel and the first target classification mode; offsetting a reconstructed pixel of the first color component pixel based on the edge class to obtain an offset reconstructed pixel; and encoding the first block based on the offset reconstructed pixel, wherein the first extended co-located luma reconstructed pixel belongs to a first target region centered on a first true co-located luma reconstructed pixel of the first color component pixel.Type: ApplicationFiled: December 23, 2024Publication date: April 17, 2025Applicant: TENCENT TECHNOLOGY (SHENZHEN) COMPANY LIMITEDInventors: Han ZHANG, Hongbin ZHANG, Wei KUANG
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Publication number: 20250126250Abstract: This disclosure relates to video encoding and decoding methods and apparatuses. The video decoding method includes: decoding a video bitstream to obtain correction value indication information used when template based intra mode derivation (TIMD) is used; obtaining a candidate prediction mode of a current block obtained through TIMD; correcting the candidate prediction mode with a correction value indicated by the correction value indication information, to obtain a corrected TIMD prediction mode; and decoding the current block based on the corrected TIMD prediction mode.Type: ApplicationFiled: December 20, 2024Publication date: April 17, 2025Applicant: Tencent Technology (Shenzhen) Company LimitedInventors: Wei KUANG, Han ZHANG, Hongbin ZHANG
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Publication number: 20250117443Abstract: A computer-implemented method for performing data difference evaluation is provided. Aspects include obtaining a first data set and a second data set, creating a first plurality of feature vectors by inputting the first data set into each of a plurality of models, and creating a second plurality of feature vectors by inputting the second data set into each of the plurality of models. Aspects also include identifying a mapping between elements of the first plurality of vectors and elements the second plurality of feature vectors created by a same model of the plurality of models, calculating, for each of the plurality of models based at least in part on the mapping, a model distance between the first data set and the second data set, and calculating, based at least in part on the model distances, an ensemble distance between first data set and the second data set.Type: ApplicationFiled: October 9, 2023Publication date: April 10, 2025Inventors: Lei Tian, Han Zhang, Jing James Xu, Xue Ying Zhang, Si Er Han
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Patent number: 12269832Abstract: The present disclosure provides a lithium borate compound represented by the following Formula (I), an additive for a lithium secondary battery, which contains the lithium borate compound, a non-aqueous electrolyte solution for a lithium secondary battery, a lithium secondary battery precursor, and a lithium secondary battery and method of producing the same. In Formula (I), R represents a single bond or an alkylene group having from 1 to 4 carbon atoms.Type: GrantFiled: July 17, 2019Date of Patent: April 8, 2025Assignee: MITSUI CHEMICALS, INC.Inventors: Han Zhang, Yusuke Shimizu, Satoko Fujiyama, Kenichi Goto, Shigeru Mio
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Publication number: 20250110045Abstract: A spectral sensor that integrates a series of luminescent materials on a specially designed semiconductor substrate, providing full range spectral coverage from about 200 nm to about 1700 nm in wavelength (UVA-UVB-VIS-NIRI-NIRII). Components of this sensor solution include: an architecture on gold-coated ceramic substrate, a series of metal oxide emitters in the UV wavelength region (200-400 nm), a series of organic emitters in the visible wavelength region (400-800 nm), a series of organic emitters in the near-infrared wavelength region (800-1700 nm), a complementary metal-oxide-semiconductor (CMOS) UV-Vis detection (200-950 nm), an Indium gallium arsenide (InGaAs) window for NIR detection (950-1700 nm), and a micro-circuit to control illumination/detection in time series with Fourier transform filtering to remove environmental noise and to isolate signals.Type: ApplicationFiled: November 25, 2024Publication date: April 3, 2025Inventors: Wei LIU, Jianjun CHEN, Han ZHANG, Wengang WANG
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Patent number: 12266156Abstract: Disclosed herein is a system and method for improving the accuracy of an object detector when trained with a dataset having a significant number of missing annotations. The method uses a novel Background Recalibration Loss (BRL) which adjusts the gradient direction according to its own activation to reduce the adverse effect of error signals by replacing the negative branch of the focal loss with a mirror of the positive branch when the activation is below a confusion threshold.Type: GrantFiled: February 14, 2022Date of Patent: April 1, 2025Assignee: Carnegie Mellon UniversityInventors: Marios Savvides, Zhiqiang Shen, Fangyi Chen, Han Zhang
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Publication number: 20250104600Abstract: The present disclosure provides a driving module and a display device. The driving module includes a serial-parallel conversion circuit and a data providing circuit, the serial-parallel conversion circuit is configured to convert a serial input signal into a parallel output signal and generate a transmission control signal and a common electrode voltage signal in accordance with mode indication information carried by the parallel output signal, and the parallel output signal carries the mode indication information and input display data; and the data providing circuit is configured to convert the input display data into output display data and transmit the output display data to a corresponding data line under the control of the transmission control signal. According to the embodiments of the present disclosure, it is able to achieve display through relying on serial input signals and other signals provided by a system without a display chip.Type: ApplicationFiled: November 25, 2022Publication date: March 27, 2025Applicant: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Yue Shan, Zhen Wang, Jian Sun, Deshuai Wang, Jian Zhang, Wei Yan, Wenwen Qin, Xiaoyan Yang, Han Zhang, Yadong Zhang, Lu Han
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Publication number: 20250103113Abstract: A display module, including: a protective cover, a flexible display panel, and a metal heat-dissipation layer. The protective cover includes a main body portion in the shape of a circular plate and a bending portion distributed around the main body portion. The bending portion is fixedly connected to an edge of the main body portion. A light-exit side of the flexible display panel is attached to the protective cover. An orthographic projection of an edge portion of the flexible display panel on the protective cover is within the bending portion. The metal heat-dissipation layer is attached to a side, going away from the protective cover, of the flexible display panel. An orthographic projection of an edge portion of the metal heat-dissipation layer on the protective cover is within the bending portion. The edge portion of the metal heat-dissipation layer has a plurality of hollowed-out grooves arranged in arrays.Type: ApplicationFiled: November 29, 2022Publication date: March 27, 2025Applicants: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Danyang BI, Han ZHANG, Xiaoliang FU, Xiangdong WEI, Yi ZHANG, Wei GONG
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Publication number: 20250106392Abstract: Some aspects of the disclosure provide a method of video decoding. The method includes: receiving a bitstream that comprises coded information of one or more pictures; generating, according to the bitstream, at least a to-be-filtered sample, and input samples for filtering the to-be-filtered sample in an in-loop filter, the in-loop filter using a Wiener-based filter with an adaptive filter shape; determining a modified filter shape for the Wiener-based filter, the modified filter shape being adapted according to a relationship between the to-be-filtered sample and the input samples; and applying the Wiener-based filter with the modified filter shape on the input samples to generate a filtered output of the to-be-filtered sample.Type: ApplicationFiled: September 23, 2024Publication date: March 27, 2025Applicant: Tencent America LLCInventors: Han ZHANG, Roman CHERNYAK, Lien-Fei CHEN, Madhu PERINGASSERY KRISHNAN, Biao WANG, Xin ZHAO, Motong XU, Yonguk YOON, Shan LIU
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Patent number: 12262280Abstract: A method being for facilitating positioning determination of a UE includes: obtaining motion information indicative of motion of the UE; obtaining positioning information based on positioning signals received by the UE; determining a validity status of map data based on whether the positioning information, the motion of the UE, and the map data, that include locations of physical environmental features, are consistent, wherein the validity status is determined to be valid in response to the positioning information, the motion of the UE, and the map data being consistent; and determining at least one of a position estimate for the UE, or a direction of motion of the UE, based on the map data and based on the validity status being valid.Type: GrantFiled: August 2, 2021Date of Patent: March 25, 2025Assignee: QUALCOMM IncorporatedInventors: Neha Nagori, Han Zhang, Himanshu Shah, Abdelmonaem Lakhzouri, William Morrison
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Publication number: 20250093572Abstract: A backlight module includes first and second light guide plates, an anti-peeping film, and first and second light sources. The anti-peeping film is located on a first light exit surface of the first light guide plates. The second light guide plate is located on a side of the anti-peeping film away from the first light guide plate. The first light source is opposite a first light incident surface of the first light guide plate. The second light source includes a first portion extending along the direction perpendicular to the reference plane and opposite a second light incident surface of the second light guide plate. A side of the first light source proximate to the fist light guide plate is staggered from a side of the second light source proximate to the second light guide plate, and closer to center of the first light guide plate than the second light source.Type: ApplicationFiled: September 23, 2022Publication date: March 20, 2025Inventors: Zhijie Guo, Geng Chen, Kai Diao, Long Hu, Han Zhang, Ming Chen, Yuhang Lin, Liangliang Ren, Zhiying Chen
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Publication number: 20250089527Abstract: Provided is a display module. The display module includes a protective cover plate and a flexible display panel. The protective cover plate includes a body portion in a shape of a circular plate and a bent portion disposed around the body portion, the bent portion being fixedly connected to an edge of the body portion; and a light exit side of the flexible display panel faces the protective cover plate, and the flexible display panel includes a first panel portion attached to the body portion and a second panel portion disposed around the first panel portion, an orthographic projection of the second panel portion on the protective cover plate being within the bent portion.Type: ApplicationFiled: November 29, 2022Publication date: March 13, 2025Applicants: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Han ZHANG, Danyang BI, Xiaoliang FU, Yi ZHANG, Wei GONG