Patents by Inventor Kai Liu
Kai Liu 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: 20250149092Abstract: A memory device including a memory array, a driver circuit, and a recover circuit is provided. The memory array includes multiple memory cells. Each memory cell is coupled to a control line, a data line, and a source line and, during a normal operation, is configured to receive first and second voltage signals. The driver circuit is configured to output at least one of the first voltage signal or the second voltage signal to the memory cells. The recover circuit is configured to output, during a recover operation, a third voltage signal, through the driver circuit to at least one of the memory cells. The third voltage signal is configured to have a first voltage level that is higher than a highest level of the first voltage signal or the second voltage signal, or lower than a lowest level of the first voltage signal or the second voltage signal.Type: ApplicationFiled: January 14, 2025Publication date: May 8, 2025Applicant: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.Inventors: Pei-Chun LIAO, Yu-Kai CHANG, Yi-Ching LIU, Yu-Ming LIN, Yih WANG, Chieh LEE
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Publication number: 20250150580Abstract: A video processing method includes deriving multiple temporal motion vector prediction (TMVP) candidates for a video block in a current picture based on multiple blocks associated with a second block in one or more pictures that are temporally co-located with the current picture, wherein the current picture is excluded from the one or more pictures, and the second block is temporally collocated with the video block, wherein the second block has a same size as the video block, and wherein a relative position of the second block to a top-left corner of a second picture of the one or more pictures is same as that of the video block to a top-left corner of the current picture; adding the multiple TMVP candidates to a motion candidate list associated with the video block; and performing a conversion between the video block and a bitstream.Type: ApplicationFiled: January 13, 2025Publication date: May 8, 2025Inventors: Li Zhang, Kai Zhang, Hongbin Liu, Yue Wang
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Publication number: 20250147318Abstract: An eyepiece waveguide for augmented reality applications includes a substrate and a set of incoupling diffractive optical elements coupled to the substrate. A first subset of the set of incoupling diffractive optical elements is operable to diffract light into the substrate along a first range of propagation angles and a second subset of the set of incoupling diffractive optical elements is operable to diffract light into the substrate along a second range of propagation angles. The eyepiece waveguide also includes a combined pupil expander diffractive optical element coupled to the substrate.Type: ApplicationFiled: January 7, 2025Publication date: May 8, 2025Applicant: Magic Leap, Inc.Inventors: Chinmay Khandekar, Robert D. Tekolste, Vikramjit Singh, Victor Kai Liu, Ryan Ong, Kristina Uhlendorf
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Publication number: 20250148001Abstract: A computer-implemented method for generating domain specific training data for a large language model includes providing a domain specific ontology relating to the domain, providing domain specific information relating to the domain, and processing the domain specific information in a data processing-pipeline for structuring data for training of the large language model. The domain specific ontology is provided as a recognition pattern in a step of the data processing-pipeline, such that the structured training data includes domain specific ontology annotations.Type: ApplicationFiled: November 7, 2024Publication date: May 8, 2025Inventors: Daniel Berger, Kai Liu
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Patent number: 12295269Abstract: A low-cost and high-strength Bi-based superconducting wire/tape and a preparation method thereof, the preparation method includes: 1. subjecting a first Bi-based superconducting wire/tape to electrochemical silver reduction to remove a Ag alloy layer to obtain a second Bi-based superconducting wire/tape; and 2. subjecting the second Bi-based superconducting wire/tape to surface enhancement, such that a Cu layer is formed to obtain the low-cost and high-strength Bi-based superconducting wire/tape. An electrochemical silver reduction technology combines with an electrochemical additive method to remove a Ag alloy layer on a surface of a Bi-based superconducting wire/tape and coat a high-strength Cu layer, such that a low-cost and high-strength Bi-based superconducting wire/tape can be prepared, which reduces a preparation cost and improves a strength of a Bi-based superconducting wire/tape to meet the application requirements of large super-strong magnets.Type: GrantFiled: May 3, 2024Date of Patent: May 6, 2025Assignee: NORTHWEST INSTITUTE FOR NONFERROUS METAL RESEARCHInventors: Qingbin Hao, Jianfeng Li, Shengnan Zhang, Lihua Jin, Xiaoyan Xu, Gaofeng Jiao, Kai Yao, Chengshan Li, Guoqing Liu, Zhenbao Li, Xueqian Liu, Gaoshan Li, Jianqing Feng, Pingxiang Zhang
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Patent number: 12294709Abstract: A method of video processing includes performing a conversion between a video including a video region and a bitstream of the video according to a rule. The rule specifies a relationship between enablement of a palette mode and a coding type of the video region. The video region may represent a coding block of the video.Type: GrantFiled: October 10, 2022Date of Patent: May 6, 2025Assignees: BEIJING BYTEDANCE NETWORK TECHNOLOGY CO., LTD., BYTEDANCE INC.Inventors: Jizheng Xu, Zhipin Deng, Li Zhang, Hongbin Liu, Kai Zhang
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Patent number: 12294701Abstract: A method of video processing is described. The method includes performing a conversion between a chroma block of a video region of a video picture of a video and a coded representation of the video according to a rule. The rule specifies that, due to the chroma block having a size M×N, the chroma block is disallowed to be represented in the coded representation using an intra coding mode. M and N are integers that indicate a width and a height of the chroma block, respectively. The intra coding mode includes coding the chroma block based on a previously coded video region of the video picture.Type: GrantFiled: January 9, 2023Date of Patent: May 6, 2025Assignees: BEIJING BYTEDANCE NETWORK TECHNOLOGY CO., LTD., BYTEDANCE INC.Inventors: Jizheng Xu, Zhipin Deng, Li Zhang, Hongbin Liu, Kai Zhang
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Patent number: 12292568Abstract: The invention provides a light spot scanning device, a scanning method thereof, and a medical cosmetology device, belonging to the technical field of medical cosmetology, comprising a laser and a collimating lens and a reflector arranged in sequence along the optical path transmission direction of the laser. The reflector is also connected with a driving member, the laser beam emitted by the laser forms a linear light spot through the collimating lens, and the reflector is driven to continuously rotate according to a preset path through the driving member. A plurality of linear light spots formed by the continuous rotation are sequentially overlapped on the light exiting side of the reflector to form a scanning linear light spot. Each time the reflector rotates, a group of linear light spots is formed. After continuous rotation, multiple groups of sequentially overlapping linear light spots are formed on the light exiting side of the reflector, called scanning linear light spots.Type: GrantFiled: December 8, 2021Date of Patent: May 6, 2025Assignee: FOCUSLIGHT TECHNOLOGIES INC.Inventors: Lichen Sun, Lili Wang, Hongtao Chong, Xiaobo Liu, Pei Wu, Kai Yang
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Patent number: 12294739Abstract: A video processing method includes performing a conversion between a video including a video unit and a coded representation of the video, where, after the video unit is encoded or decoded with an intra prediction mode, one or more frequence tables and/or one or more sorted intra prediction mode (IPM) tables are selectively updated according to a rule, where the one or more frequence tables include information about frequence of the intra prediction mode used for processing the video unit in the conversion, where the frequence indicates an occurrence of the intra prediction mode used for the conversion, and where the one or more sorted IPM tables indicate the intra prediction mode used in the processing.Type: GrantFiled: February 22, 2022Date of Patent: May 6, 2025Assignees: Beijing Bytedance Network Technology Co., Ltd., Bytedance Inc., Bytedance (HK) LimitedInventors: Junru Li, Meng Wang, Li Zhang, Kai Zhang, Hongbin Liu, Yue Wang, Shiqi Wang
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Patent number: 12293715Abstract: A pixel circuit includes a light emitting element, a first energy storage circuit, a first driving circuit, a second driving circuit, a first driving control circuit, a second driving control circuit, a second energy storage circuit and a first control data voltage writing-in circuit; the first control data voltage writing-in circuit controls to write a first control data voltage into the third node under the control of a first writing-in control signal; both the first terminal of the first driving circuit and the first terminal of the second driving circuit are electrically connected to a power supply voltage terminal, the first driving circuit is used to drive the light emitting element under the control of a potential of the control terminal thereof, and the second driving circuit is used to drive the light emitting element under the control of a potential of the control terminal thereof.Type: GrantFiled: June 24, 2022Date of Patent: May 6, 2025Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Weixing Liu, Zhiqiang Xu, Jintao Peng, Chunfang Zhang, Wanpeng Teng, Kai Guo, Jiao Li
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Patent number: 12293912Abstract: A group-III-nitride structure and a manufacturing method thereof are provided. In the manufacturing method, one or more grooves are formed by etching a first group-III-nitride epitaxial layer with a patterned first mask layer as a mask; then a second mask layer is formed at least on one or more bottom walls of the one or more grooves, and a first epitaxial growth is performed on the first group-III-nitride epitaxial layer to laterally grow and form a second group-III-nitride epitaxial layer with the second mask layer as a mask, where the one or more grooves are filled with the second group III-nitride epitaxial layer; a second epitaxial growth is then performed on the second group-III-nitride epitaxial layer to grow and form a third group-III-nitride epitaxial layer on the second group-III-nitride epitaxial layer and the patterned first mask layer.Type: GrantFiled: May 12, 2020Date of Patent: May 6, 2025Assignee: ENKRIS SEMICONDUCTOR, INC.Inventors: Kai Cheng, Weihua Liu
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Patent number: 12291668Abstract: Disclosed is a coated rubber particle, preparation thereof and its application as a plugging material in drilling fluids. The coated rubber particle comprises a rubber core and a coating layer, wherein the core has a fluorine content (at %) of 0-15%, the coating layer has a fluorine content (at %) of 30-80%, and the coated rubber particle has a 24-hour oil absorption rate of 4% or less. The coated rubber particle has good oil resistance, and is particularly suitable for use as a plugging material in drilling fluids, particularly oil-based drilling fluids.Type: GrantFiled: February 4, 2021Date of Patent: May 6, 2025Assignees: CHINA PETROLEUM & CHEMICAL CORPORATION, SINOPEC OILFIELD SERVICE CORPORATION, SINOPEC SHENGLI PETROLEUM ENGINEERING CO., LTD, DRILLING TECHNOLOGY RESEARCH INSTITUTE OF SINOPEC SHENGLI PETROLEUM ENGINEERING CO., LTDInventors: Gongrang Li, Wenbo Li, Bingxiang Sun, Hui Tian, Xizhou Wang, Ke Li, Jianghong Jia, Lei Yu, Jie Sun, Xudong Wang, Chengjun Wang, Bingtai Li, Haibin Li, Zhendong Liu, Kai Gao, Chunguang Li, Hui Li
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Patent number: 12293329Abstract: Disclosed are a method, control system, storage and retrieval equipments, and handling equipments. The control system is configured to: determine a target inventory receptacle from inventory receptacles in a storage area of an inventory system; and determine a target storage and retrieval equipment and a target handling equipment, and send a dispatching instruction to the target storage and retrieval equipment and the target handling equipment. The target storage and retrieval equipment is configured to: drive, in response to the dispatching instruction, to a position specified in the dispatching instruction, take out the target inventory receptacle, and directly or indirectly undertake the target inventory receptacle to the target handling equipment.Type: GrantFiled: May 12, 2021Date of Patent: May 6, 2025Assignee: Beijing Geekplus Technology Co., Ltd.Inventors: Hongbo Li, Honghan Lu, Kun Wang, Kai Liu, Kaozhun Li
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Patent number: 12293698Abstract: Provided are a method for driving a light-emitting substrate, a driving circuit and a display apparatus. The light-emitting substrate includes: at least one control region, which includes a plurality of light-emitting sub-regions, the light-emitting sub-region includes a plurality of light-emitting elements which are connected in series and/or in parallel; each light-emitting sub-regions includes a first signal end and a second signal end, in a same control region, the first signal ends of all the light-emitting sub-regions are electrically connected with each other, and the second signal ends of the different light-emitting sub-regions are independent of each other; the method includes: loading a first signal to the first signal ends in the control region; and loading second signals to the second signal ends of each of the plurality of the light-emitting sub-regions in the control region when a first duration is delayed after the first signal is provided.Type: GrantFiled: April 26, 2022Date of Patent: May 6, 2025Assignees: Fuzhou BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Renhui Yu, Xiaoyang Liu, Hongzhou Xie, Xin Chen, Meizhen Chen, Yi Zheng, Zhiliang Zheng, Ying Tian, Chengwei Shi, Shulian Lin, Qingna Hou, Kai Diao, Liangliang Ren
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Publication number: 20250142054Abstract: An example method of video processing includes determining, for a conversion between a current picture of a video and a coded representation of the video, a position of a reference sample in a reference picture that is associated with the current picture based on a top-left position of a window of a picture. The picture includes at least the current picture or the reference picture, and the window is subject to a processing rule during the conversion. The method also includes performing the conversion based on the determining.Type: ApplicationFiled: January 6, 2025Publication date: May 1, 2025Inventors: Kai Zhang, Li Zhang, Hongbin Liu, Zhipin Deng, Jizheng Xu, Yue Wang
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Publication number: 20250140179Abstract: A light-emitting substrate is provided. The light-emitting substrate includes a base substrate, light-emitting units, and first driving signal line groups; the light-emitting unit includes light-emitting sub-units; the first driving signal line is configured to be connected to the first electrode terminal of the light-emitting sub-unit; a translation distance in the column direction is provided between a k-th light-emitting unit in the N-th column and a k-th light-emitting unit in the (N+1)-th column, and the translation distance is smaller than a spacing between two adjacent light-emitting units in a same column in the column direction; the first driving signal line group is between the N-th column of light-emitting units and the (N+1)-th column of light-emitting units and alternately passes through light-emitting units in the N-th column and the (N+1)-th column; and each light-emitting unit is passed by two adjacent first driving signal line groups.Type: ApplicationFiled: January 3, 2025Publication date: May 1, 2025Inventors: Shunhang ZHANG, Kai HOU, Liwei LIU, Hongrun WANG, Hui ZHANG, Changfeng LI, Yunsik IM
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Publication number: 20250141363Abstract: The present disclosure provides a rectifier module and a transformer, the rectifier module includes a transformer and a rectifier board, the transformer includes: a magnetic core; a first winding; and a second winding, the magnetic core includes a magnetic column, the first winding is arranged on the magnetic column, and the second winding is arranged outside the first winding; comb-type pins are respectively arranged on opposite sides of the second winding, the comb-type pins are arranged along a first direction, and the comb-type pins include comb teeth and comb gaps; the rectifier board includes: a circuit board; and a plurality of switch element groups arranged along the first direction, the switch element group includes at least one switch element; along the second direction, the comb teeth are adjacent to the switch element; the first direction and the second direction are perpendicular to each other.Type: ApplicationFiled: October 20, 2024Publication date: May 1, 2025Applicant: Delta Electronics (Shanghai) CO., LTD.Inventors: Yuesen GUO, Shiwei LIU, Jun ZHANG, Kai DONG, Haijun YANG, Jinfa ZHANG, Chang XU
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Patent number: 12287384Abstract: A radio-frequency power output device includes a cooling plate, a temperature detection module, and a control module. The cooling plate is provided with a first circuit board and a second circuit board respectively on two opposite sides thereof, and the first circuit board and the second circuit board are provided with a first radio-frequency power amplification circuit and a second radio-frequency power amplification circuit, respectively. The temperature detection module is used to obtain the temperature of the first circuit board and the temperature of the second circuit board. The control module controls, based on the temperature of the first circuit board, the first radio-frequency power amplification circuit to output a radio-frequency power signal at a target temperature, and controls, based on the temperature of the second circuit board, the second radio-frequency power amplification circuit to output a radio-frequency power signal at the target temperature.Type: GrantFiled: July 10, 2023Date of Patent: April 29, 2025Assignee: GE Precision Healthcare LLCInventors: Yu Liu, Xin Xie, Kai Wang, Tingting Song, Chunlai Xiao, Dongliang Yang, Jianye Ning
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Patent number: 12288136Abstract: A method for detecting a two-qubit correlated dephasing error includes accessing a signal of a quantum system, where the quantum system includes a plurality of qubits. Every qubit has a nonzero rate of dephasing and some qubits have a nonzero rate of correlated dephasing. The signal further includes information about a matrix that includes diagonal elements and off-diagonal elements. The off-diagonal elements of the matrix are 2s-sparse. The method further includes performing randomized measurements of the off-diagonal elements of the matrix and recovering the matrix based on a direct measurement of the diagonal elements of the matrix.Type: GrantFiled: May 3, 2024Date of Patent: April 29, 2025Assignees: University of Maryland, College Park, Government of the United States of America, as Represented by the Secretary of CommerceInventors: Seyed Alireza Seif Tabrizi, Mohammad Hafezi, Yi-Kai Liu
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Patent number: 12289466Abstract: A method of video processing is provided. The method includes: determining, for a conversion between a first video block of a video and a bitstream of the video, that a merge mode with motion vector differences is applied into the first video block; and performing the conversion based on the determining, where the merge mode includes motion vector expression to derive motion information of the first video block, where the motion vector expression includes a first parameter representing a motion vector difference and a second parameter indicating a base candidate from a base candidate list, where the first parameter includes a first motion magnitude and a first motion direction, and where the base candidate list is based on a first merge candidate list for a merge mode which is constructed for the first video block during the conversion.Type: GrantFiled: November 21, 2023Date of Patent: April 29, 2025Assignees: BEIJING BYTEDANCE NETWORK TECHNOLOGY CO., LTD., BYTEDANCE INC.Inventors: Hongbin Liu, Li Zhang, Kai Zhang, Jizheng Xu, Yue Wang