Patents by Inventor Wei Ji
Wei Ji 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: 20240135049Abstract: An analysis of a surface mounted permanent magnet (SPM) machine by a 2D meshless method is provided. The 2D meshless method includes steps: discrete nodes are arranged in the region to be solved; based on Taylor expansion and weighted least squares principle, the derivative value of vector potential can be approximated as a linear combination of vector potential values of each node in the support region; partial differential equations are converted into algebraic equations; by solving the algebraic equations, the vector potential of each node can be calculated, and then the distribution of the flux line and the flux density can be obtained. According to the electromagnetic calculation constraints of the machine, parameters such as the back electromotive force and electromagnetic torque of the machine can be obtained.Type: ApplicationFiled: October 21, 2021Publication date: April 25, 2024Applicant: JIANGSU UNIVERSITYInventors: Wenxiang ZHAO, Yi WANG, Jinghua JI, Wei TIAN
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Patent number: 11961479Abstract: A display device and a method for driving the display device are described, where the display device includes a plurality of pixel island groups, a plurality of lenses, a positioning module, and a gate driving chip. The plurality of pixel island groups are arranged in array, wherein each of the pixel island groups includes a plurality of pixel islands, and different pixel islands are able to be scanned in different scanning modes. The positioning module is configured to determine a gaze area and a non-gaze area according to gazed coordinates of human eye. The gate driving chip is configured to provide gate driving signals in a first driving manner to sub-pixel units in the gaze area, and provide gate driving signals simultaneously in a second driving manner to sub-pixel units in the non-gaze area during a scanning stage of the sub-pixel units in the non-gaze area.Type: GrantFiled: December 22, 2020Date of Patent: April 16, 2024Assignees: Beijing BOE Optoelectronics Technology Co., Ltd., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Tiankuo Shi, Wei Sun, Yifan Hou, Zhihua Ji, Xiaomang Zhang, Rui Liu, Jigang Sun, Yuxin Bi, Xue Dong
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Patent number: 11954870Abstract: Provided are a three-dimensional reconstruction method, apparatus and system of a dynamic scene, a server and a medium. The method includes: acquiring multiple continuous depth image sequences of the dynamic scene, where the multiple continuous depth image sequences are captured by an array of drones equipped with depth cameras; fusing the multiple continuous depth image sequences to establish a three-dimensional reconstruction model of the dynamic scene; obtaining target observation points of the array of drones through calculation according to the three-dimensional reconstruction model and current poses of the array of drones; and instructing the array of drones to move to the target observation points to capture, and updating the three-dimensional reconstruction model according to multiple continuous depth image sequences captured by the array of drones at the target observation points.Type: GrantFiled: April 23, 2019Date of Patent: April 9, 2024Assignee: TSINGHUA UNIVERSITYInventors: Lu Fang, Mengqi Ji, Yebin Liu, Lan Xu, Wei Cheng, Qionghai Dai
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Patent number: 11956082Abstract: Aspects presented herein may enhance a HARQ feedback operation to improve data retransmissions by using tri-state HARQ feedback, and may enable a UE to construct a codebook for tri-state HARQ feedback. In one aspect, a UE determines whether tri-state HARQ feedback or bi-state HARQ feedback is configured based on a DL carrier. The UE generates HARQ feedback for at least one of a received PDCCH or a received PDSCH on the DL carrier based on the determination whether the DL carrier is configured with the tri-state HARQ feedback. The UE transmits the generated HARQ feedback.Type: GrantFiled: June 9, 2021Date of Patent: April 9, 2024Assignee: QUALCOMM IncorporatedInventors: Wei Yang, Yi Huang, Wanshi Chen, Peter Gaal, Hwan Joon Kwon, Krishna Kiran Mukkavilli, Tingfang Ji
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Patent number: 11956788Abstract: Methods, systems, and devices for wireless communications are described. A transmitting device may transmit an expiration indication to a receiving device as part of a scheduling message for a transport block. The expiration indication may provide information related to an expiration time for the transport block. If the expiration time is reached prior to successful reception by a receiving device, the receiving device may assume that the transport block has expired and may refrain from transmitting a retransmission grant, or may empty a hybrid automatic repeat request (HARM) buffer associated with the transport block. If the transmitting device fails to successfully receive an indication from the receiving device of a successful reception of the transport block prior to the expiration period, the transmitting device may also assume that the transport block has expired.Type: GrantFiled: July 11, 2019Date of Patent: April 9, 2024Assignee: QUALCOMM IncorporatedInventors: Wei Yang, Jing Jiang, Wanshi Chen, Peter Gaal, Tingfang Ji, Chih-Ping Li, Seyedkianoush Hosseini
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Publication number: 20240112880Abstract: Provided is a method of ion beam processing based on optical microscopy imaging, including: marking a surface of a sample using the ion beam, so as obtain a registration reference pattern; performing a three-dimensional optical imaging on the sample to obtain a first three-dimensional light microscopy image; projecting the first three-dimensional light microscopy image to a cutting angle of the ion beam, and determining a first position of a to-be-researched target in the first three-dimensional light microscopy image based on the registration reference pattern; performing an ion beam imaging on the sample to obtain an image excited by the ion beam, and determining, according to the first position, a second position of the to-be-researched target in the image excited by the ion beam; and thinning the sample according to the second position to obtain a first slice containing the to-be-researched target.Type: ApplicationFiled: June 14, 2023Publication date: April 4, 2024Inventors: Tao XU, Wei JI, Weixing LI, Jing LU, Ke XIAO
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Patent number: 11950251Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may transmit a physical uplink shared channel communication using a resource associated with a configured grant. The UE may transmit, in connection with transmitting the physical uplink shared channel communication, a scheduling request. A base station (BS) may monitor for the physical uplink shared channel communication and the scheduling request. The BS may selectively communicate with the UE to schedule a retransmission of the physical uplink shared channel communication based at least in part on a result of the monitoring. Numerous other aspects are provided.Type: GrantFiled: July 16, 2021Date of Patent: April 2, 2024Assignee: QUALCOMM IncorporatedInventors: Yi Huang, Wei Yang, Tingfang Ji, Krishna Kiran Mukkavilli, Hwan Joon Kwon
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Patent number: 11941318Abstract: The present application provides an audio and video playing system, a playing method and a playing device. The system comprises: a display device; a directional sound output module configured to output a directional sound signal; a tracking element configured to monitor a target visual area and to monitor the target display area on the display screen; and a processor, connected with the directional sound output module and the tracking element respectively, and configured to acquire a first audio and video data to be output in the target display area, display image information of the first audio and video data in the target display area, and output sound information of the first audio and video data to the directional sound output module such that the directional sound output module output a directional sound signal towards the target visual area.Type: GrantFiled: April 27, 2021Date of Patent: March 26, 2024Assignees: Beijing BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Xiaomang Zhang, Xiangjun Peng, Tiankuo Shi, Chenxi Zhao, Shuo Zhang, Yifan Hou, Yan Sun, Li Tian, Jing Liu, Wei Sun, Zhihua Ji, Yanhui Xi
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Patent number: 11943759Abstract: This disclosure relates to techniques for a wireless device to dynamically adapt its bandwidth use using network scheduling information in a cellular communication system. A radio resource control connection between a cellular base station and a wireless device may be established. The wireless device may receive network scheduling information from the cellular base station. The wireless device may dynamically select a receive bandwidth for receiving transmissions from the cellular base station based at least in part on the network scheduling information.Type: GrantFiled: September 20, 2022Date of Patent: March 26, 2024Assignee: Apple Inc.Inventors: Yuchul Kim, Jia Tang, Yang Li, Wei Zeng, Haitong Sun, Yu Zhang, Zhu Ji, Dawei Zhang
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Patent number: 11932660Abstract: Provided are organometallic compounds. Also provided are formulations comprising these organometallic compounds. Further provided are OLEDs and related consumer products that utilize these organometallic compounds.Type: GrantFiled: January 4, 2021Date of Patent: March 19, 2024Assignee: Universal Display CorporationInventors: Wei-Chun Shih, Tyler Fleetham, Zhiqiang Ji, Pierre-Luc T. Boudreault, Tongxiang Lu, Rasha Hamze
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Patent number: 11934216Abstract: A constant current generation circuit for optocoupler isolation amplifier and a current precision adjustment method are provided. The constant current generation circuit includes a start circuit, a current generation circuit and a precision adjustment and output circuit integrated into a same substrate. The start circuit can generate and output a first start current and a second start current. The current generation circuit includes a negative temperature change rate current generation circuit connected to a first start current output and a positive temperature change rate current generation circuit connected to a second start current output. The precision adjustment and output circuit outputs constant current meeting application requirements of optocoupler isolation amplifier by adjusting proportional precision of two currents output from a current generation circuit.Type: GrantFiled: September 30, 2021Date of Patent: March 19, 2024Assignee: Hefei AICHUANGWEI Electronic Technology Co., Ltd.Inventors: Jun Pan, Lei Qiu, Dianwu Li, Fenfen Ji, Wei Wang, Lei Han, Ke Wang
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Patent number: 11937211Abstract: Various implementations and techniques are disclosed to enable and provide communication devices, methods, and systems for sidelink communication resources configuration and management. Wireless devices use a communication resource configuration and management procedure to determine resources for sidelink communication with potential power saving.Type: GrantFiled: April 27, 2021Date of Patent: March 19, 2024Assignee: QUALCOMM IncorporatedInventors: Wei Yang, Seyedkianoush Hosseini, Peter Gaal, Wanshi Chen, Hwan Joon Kwon, Krishna Kiran Mukkavilli, Seyed Ali Akbar Fakoorian, Yuchul Kim, Juan Montojo, Tingfang Ji
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Patent number: 11937328Abstract: This disclosure relates to techniques for a wireless device to perform millimeter wavelength communication with increased reliability and power efficiency using sensor inputs. The sensor inputs may include motion, rotation, or temperature measurements, among various possibilities. The sensor inputs may be used when performing beamforming tracking, antenna configuration, transmit and receive chain measurements and selection, and/or in any of various other possible operations.Type: GrantFiled: March 8, 2021Date of Patent: March 19, 2024Assignee: Apple Inc.Inventors: Wei Zhang, Pengkai Zhao, Shiva Krishna Narra, Sriram Subramanian, Madhukar K. Shanbhag, Sanjeevi Balasubramanian, Junsung Lim, Jia Tang, Galib A. Mohiuddin, Yu-Lin Wang, Zhu Ji, Johnson O. Sebeni
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Publication number: 20240088119Abstract: Provided are a package structure and a method of forming the same. The method includes providing a first package having a plurality of first dies and a plurality of second dies therein; performing a first sawing process to cut the first package into a plurality of second packages, wherein one of the plurality of second packages comprises three first dies and one second die; and performing a second sawing process to remove the second die of the one of the plurality of second packages, so that a cut second package is formed into a polygonal structure with the number of nodes greater than or equal to 5.Type: ApplicationFiled: November 21, 2023Publication date: March 14, 2024Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Wei-Hung Lin, Hui-Min Huang, Chang-Jung Hsueh, Wan-Yu Chiang, Ming-Da Cheng, Mirng-Ji Lii
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Patent number: 11926787Abstract: A well cementing method is described for improving cementing quality by controlling the hydration heat of cement slurry. By controlling the degree and/or rate of hydration heat release from cement slurry, the method improves the hydration heat release during formation of cement with curing of cement slurry, improves the binding quality between the cement and the interfaces, and in turn improves the cementing quality at the open hole section and/or the overlap section. The cementing method improves cementing quality of oil and gas wells and reduces the risk of annular pressure.Type: GrantFiled: April 21, 2020Date of Patent: March 12, 2024Assignees: PetroChina Company Limited, CNPC Engineering Technology R&D Company LimitedInventors: Shuoqiong Liu, Hua Zhang, Jianzhou Jin, Ming Xu, Yongjin Yu, Fengzhong Qi, Congfeng Qu, Hong Yue, Youcheng Zheng, Wei Li, Yong Ma, Youzhi Zheng, Zhao Huang, Jinping Yuan, Zhiwei Ding, Chongfeng Zhou, Chi Zhang, Zishuai Liu, Hongfei Ji, Yuchao Guo, Xiujian Xia, Yong Li, Jiyun Shen, Huiting Liu, Yusi Feng, Bin Lyu
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Publication number: 20240076307Abstract: Provided are compounds of Formula Ir(LA)x(LC)y wherein: ligand LA has Formula I? ?and ligand LC has Formula II?Type: ApplicationFiled: October 10, 2023Publication date: March 7, 2024Applicant: Universal Display CorporationInventors: Wei-Chun SHIH, Zhiqiang JI, Pierre-Luc T. BOUDREAULT, Hsiao-Fan CHEN, Tongxiang LU
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Publication number: 20240080780Abstract: Apparatuses, systems, and methods for providing maximum transmit power control when utilizing multiple radio access technologies. For example, a wireless communication device comprising two cellular radios may intend to transmit on the first radio, while concurrently transmitting on the second radio. To ensure compliance with a maximum transmit power limitation, the device may determine an allowed transmit power level of the first radio, representing a difference between the maximum transmit power limitation and the current transmit power level being transmitted by the second radio. The device may also determine a threshold power level for a communication by the first radio. If the allowed transmit power level meets the threshold power level, then the device may transmit the first communication having a power level between the threshold power level and the allowed transmit power level. Otherwise, the device may forego transmission of the first communication.Type: ApplicationFiled: September 18, 2023Publication date: March 7, 2024Inventors: Haitong Sun, Johnson O. Sebeni, Zhu Ji, Dawei Zhang, Wei Zhang, Yuchul Kim, Tianyan Pu, Pengkai Zhao, Wei Zeng, Jia Tang, Ping Wang, Wanping Zhang, Yang Li
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Patent number: 11923392Abstract: The present disclosure relates to an integrated chip. The integrated chip includes an image sensing element disposed within a substrate. A gate structure is disposed along a front-side of the substrate. A back-side of the substrate includes one or more first angled surfaces defining a central diffuser disposed over the image sensing element. The back-side of the substrate further includes second angled surfaces defining a plurality of peripheral diffusers laterally surrounding the central diffuser. The plurality of peripheral diffusers are a smaller size than the central diffuser.Type: GrantFiled: January 4, 2021Date of Patent: March 5, 2024Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Keng-Yu Chou, Chun-Hao Chuang, Jen-Cheng Liu, Kazuaki Hashimoto, Ming-En Chen, Shyh-Fann Ting, Shuang-Ji Tsai, Wei-Chieh Chiang
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Publication number: 20240071280Abstract: A display method comprises: acquiring multiple frames of images to be displayed, one frame of two adjacent frames of the images to be displayed being an image in an odd-numbered row, the other frame being an image in an even-numbered row, the resolution of the image in the odd-numbered row being M*(a*N), the resolution of the image in the even-numbered row being M*(a*N) or (M?1)*(a*N), and a being 1 or 2; and causing an odd-numbered display group to display the image in the odd-numbered row, and causing an even-numbered display group to display the image in the even-numbered row, the odd-numbered display group comprising M*(a*N) odd-numbered display units, the even-numbered display group comprising (M?1)*(a*N) even-numbered display units, the odd-numbered display unit in the i-th row comprising a first sub-pixel, a second sub-pixel, and a third sub-pixel in a pixel unit in the i-th row.Type: ApplicationFiled: July 8, 2022Publication date: February 29, 2024Inventors: Tiankuo SHI, Xin DUAN, Minglei CHU, Wei SUN, Xiaomang ZHANG, Shuo ZHANG, Zhihua JI, Yan SUN, Xue DONG
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Publication number: 20240074301Abstract: Provided are compounds comprising ligands LA that are ligands of Pt and Ir complexes for OLED applications. Also provided are formulations comprising these compounds comprising ligands LA that are ligands of Pt and Ir complexes for OLED applications. Further provided are OLEDs and related consumer products that utilize these compounds comprising ligands LA that are ligands of Pt and Ir complexes for OLED applications.Type: ApplicationFiled: October 5, 2023Publication date: February 29, 2024Applicant: UNIVERSAL DISPLAY CORPORATIONInventors: Wystan Neil PALMER, Wei-Chun SHIH, George FITZGERALD, Joseph A. MACOR, Rasha HAMZE, Pierre-Luc T. BOUDREAULT, Geza SZIGETHY, Zhiqiang JI, Derek Ian WOZNIAK, Hsiao-Fan CHEN