Patents by Inventor Zhi Zhang

Zhi 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).

  • Touch control substrate, method for fabricating the same, and touch control display device
    Patent number: 11360610
    Abstract: A touch control substrate, a method for fabricating the same, and a touch control display device are provided. The touch control substrate includes a touch control region and a peripheral region surrounding the touch control region. Signal traces and a shielding wire are provided in the peripheral region, the shielding wire being configured to shield interference of the signal traces to the touch control region.
    Type: Grant
    Filed: December 15, 2017
    Date of Patent: June 14, 2022
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Wenjin Fan, Lei Zhang, Tsungchieh Kuo, Zhi Zhang, Xiaoyue He
  • Display device and display driving method for a display panel
    Patent number: 11360556
    Abstract: A display device includes an eyeball tracking inductor, a display panel and a processor, where the processor is electrically connected to the eyeball tracking inductor and the display panel separately; the eyeball tracking inductor is configured to identify user eyeball image information; the processor is configured to determine a gaze region and a split view region of a user viewing the display panel, according to the user eyeball image information, control the gaze region to be displayed at a first resolution, and control the split vision region of the display panel to be displayed at a second resolution, where the first resolution is greater than the second resolution.
    Type: Grant
    Filed: June 8, 2020
    Date of Patent: June 14, 2022
    Assignees: WUHAN TIANMA MICRO-ELECTRONICS CO., LTD., WUHAN TIANMA MICROELECTRONICS CO., LTD. SHANGHAI BRANCH
    Inventors: Shuang Cheng, Jinghua Niu, Mingzhi Dai, Yinhe Liu, Yuhao Liu, Zhi Zhang, Jianyun Wang
  • Wireless communication method and device
    Patent number: 11362717
    Abstract: A wireless communication method and device are provided. The method comprises the following operations. A terminal device sends first information to a network device. The first information indicates a switching mode supported by the terminal device and/or a performance parameter value corresponding to the supported switching mode, the switching mode indicates a manner in which the terminal device switches from one transmission mode to another transmission mode, and the transmission mode indicates the number of transmitters and the number of receivers used by the terminal device.
    Type: Grant
    Filed: February 4, 2021
    Date of Patent: June 14, 2022
    Assignee: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., LTD.
    Inventor: Zhi Zhang
  • MATRIX MULTIPLICATION PROCESS FOR MATRIX BASED INTRA PREDICTION (MIP)
    Publication number: 20220182632
    Abstract: A MIP method (700) for predicting samples of a current block. The method includes storing (s702) a set of MIP weight matrices. The method also includes determining (s704) the width, W, and the height, H, of the current block. The method further includes setting (s706) a mipSizeId variable to 1 as a result of: i) determining that W=4 storing a set of MIP weight matrices and H=16 or ii) determining that W=16 and H=4. The method further includes storing (s708) a value, predModeIntra, that specifies a MIP prediction mode for the current block. The method further includes determining (s710), based on predModeIntra and the value of the mipSizeId variable, a modeId value. And the method further includes selecting (s712), from the set of MIP weight matrices, a MIP weight matrix to be used for the current block, wherein the selection is based on modeId and the value of the mipSizeId variable.
    Type: Application
    Filed: July 22, 2020
    Publication date: June 9, 2022
    Applicant: Telefonaktiebolaget LM Ericsson (publ)
    Inventors: Zhi ZHANG, Ruoyang YU, Rickard SJÖBERG, Kenneth ANDERSSON, Jacob STRÖM, Davood SAFFAR
  • Radio communication method and device
    Patent number: 11356963
    Abstract: A radio communication method and device are provided. The method includes: a network device sending first information to a terminal device, the first information including a first bitmap corresponding to a plurality of first synchronization signal blocks, and the first bitmap being used for identifying at least one second synchronization signal block in the plurality of first synchronization signal blocks; the network device obtaining a second bitmap corresponding to at least one second synchronization signal block based on the first bitmap, the second bitmap being used for identifying at least one third synchronization signal block in at least one second synchronization signal block; and the network device sending second information including the second bitmap to the terminal device.
    Type: Grant
    Filed: October 27, 2017
    Date of Patent: June 7, 2022
    Assignee: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., LTD.
    Inventors: Zhihua Shi, Zhi Zhang
  • Wireless communication method, network device, and terminal device
    Patent number: 11357012
    Abstract: Embodiments of this application provide a wireless communication method, a network device, and a terminal device, to improve communication performance in terms of frequency band deployment and configuration. The method includes: determining, by a network device, a first uplink carrier, where the first uplink carrier is one of a plurality of uplink carriers that can be used for a terminal device; and sending, by the network device, configuration information to the terminal device, where the configuration information includes configuration information associated with the first uplink carrier.
    Type: Grant
    Filed: September 8, 2017
    Date of Patent: June 7, 2022
    Assignee: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., LTD.
    Inventors: Wenhong Chen, Zhi Zhang
  • POWER HEADROOM REPORTING METHOD AND APPARATUS THEREFOR
    Publication number: 20220174614
    Abstract: A power headroom reporting method, including: configuring a cell group by means of a network; configuring a sending power limit in the cell group, and for the cell group, corresponding to a first configuration maximum sending power and a second configuration maximum sending power, the first configuration maximum sending power being determined on the basis of the sending power limit, and the determination of the second configuration maximum sending power being irrelevant to the sending power limit; determining, according to a preset rule, to use the first configuration maximum sending power and/or the second configuration maximum sending power to obtain a power headroom report; and reporting the power headroom report.
    Type: Application
    Filed: February 11, 2022
    Publication date: June 2, 2022
    Inventors: ZHIHUA SHI, WENHONG CHEN, YUN FANG, YINGPEI HUANG, ZHI ZHANG
  • BANDWIDTH ALLOCATION METHOD AND APPARATUS
    Publication number: 20220174550
    Abstract: The application provides a bandwidth allocation method and device. The method includes that: Discontinuous Reception (DRX) indication information is determined, the DRX indication information being used for a terminal device to determine a working bandwidth to be used within a DRX cycle and/or a frequency point of the working bandwidth; and the DRX indication information is transmitted to the terminal device. According to the bandwidth allocation method of the embodiments of the application, unnecessary power consumption of the terminal device may be avoided.
    Type: Application
    Filed: February 18, 2022
    Publication date: June 2, 2022
    Applicant: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., LTD.
    Inventor: Zhi ZHANG
  • Wireless communication method, network device and terminal device
    Patent number: 11350464
    Abstract: Provided in the embodiments of the present application are a wireless communication method and device, capable of improving communication performance in terms of random access. The method comprises: receiving by a network device a first random access request sent on a first uplink carrier by a terminal device; and on the basis of the first uplink carrier, sending by the network device a first random access response for the first random access request.
    Type: Grant
    Filed: March 9, 2020
    Date of Patent: May 31, 2022
    Assignee: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., LTD.
    Inventors: Wenhong Chen, Zhi Zhang
  • Optical fiber laser induced breakdown spectroscopy detection device and method
    Patent number: 11346781
    Abstract: An optical fiber laser induced breakdown spectroscopy detection device and a detection method are provided. The device comprises an optical fiber LIBS detector and a master control detection system. The master control detection system is installed in the master control room of a nuclear power plant, and the optical fiber LIBS detector is configured to perform detection in a pipeline. The master control detection system and the optical fiber LIBS detector are connected to each other via the transmission optical fiber and the control signal line. The remote on-line detection of the positioning and fixed point of the designated area of the inner wall of the main pipeline of the nuclear power plant can be detected on line in the master control room of the nuclear power plant.
    Type: Grant
    Filed: March 20, 2019
    Date of Patent: May 31, 2022
    Assignees: XI'AN JIAOTONG UNIVERSITY, SUZHOU NUCLEAR POWERRESEARCH INSTITUTE CO., LTD
    Inventors: Jian Wu, Zhi Zhang, Yan Qiu, Xingwen Li, Yuhua Hang, Tao Liu, Fei Xue
  • BLOCK-ADAPTIVE SEARCH RANGE AND COST FACTORS FOR DECODER-SIDE MOTION VECTOR (MV) DERIVATION TECHNIQUES
    Publication number: 20220167001
    Abstract: A method of decoding video data may comprise decoding data from an encoded bitstream to generate motion vectors and performing a decoder-side motion vector refinement (DMVR) process on one or more of the motion vectors. Performing the DMVR process may include determining one or more characteristics of current video block being decoded and determining a search area for the DMVR process for the current video block based on the determined one or more characteristics of the current video block.
    Type: Application
    Filed: November 23, 2020
    Publication date: May 26, 2022
    Inventors: Zhi Zhang, Chun-Chi Chen, Han Huang, Vadim Seregin, Marta Karczewicz
  • DEBLOCKING OF TRANSFORM SUB-BLOCK BOUNDARIES
    Publication number: 20220167020
    Abstract: A method for deblocking at least one boundary of a coding unit. The method includes determining that the coding unit uses a sub-block transform, wherein the sub-block transform generates a transform sub-block boundary within the coding unit, thereby forming at least a transform sub-block within the coding unit; as a result of determining that the coding unit uses the sub-block transform, determining a maximum number of samples to modify when deblocking a boundary of the coding unit; and deblocking the boundary of the coding unit based on the determined maximum filter length.
    Type: Application
    Filed: February 12, 2020
    Publication date: May 26, 2022
    Applicant: Telefonaktiebolaget LM Ericsson (publ)
    Inventors: Kenneth ANDERSSON, Jack ENHORN, Zhi ZHANG
  • Method for transmitting signal, network device and terminal device
    Patent number: 11343830
    Abstract: Disclosed are a method for transmitting a signal, a network device and a terminal device. The method includes: a first network device determining, in a first frequency band corresponding to the first network device, a time-frequency resource for transmitting a signal; and the first network device carrying out the transmission of the signal with a first terminal device on the time-frequency resource.
    Type: Grant
    Filed: June 15, 2017
    Date of Patent: May 24, 2022
    Assignee: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., LTD.
    Inventors: Ning Yang, Zhi Zhang, Hai Tang
  • DATA TRANSMISSION METHOD, APPARATUS, DEVICE AND STORAGE MEDIUM
    Publication number: 20220159507
    Abstract: Embodiments of the present application provide a data transmission method, an apparatus, a device and a storage medium, where in the method, a new transmission manner is provided for the transmission of high-rate and high-error-tolerant first type of data, and the transmission manner includes at least one of a first verification mode, a first retransmission mode, and a first RLC mode, by using the new transmission mode to transmit the first type data, thus a transmission rate is ensured.
    Type: Application
    Filed: January 28, 2022
    Publication date: May 19, 2022
    Applicant: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., LTD.
    Inventors: Wenhong CHEN, Jia SHEN, Zhi ZHANG, Ning YANG
  • Synchronization signal measurement method and related device
    Patent number: 11336384
    Abstract: Transmitting, by the network device, the configuration information to a user equipment, wherein the configuration information is used to instruct the user equipment to use a measurement set to measure a synchronization signal, wherein the measurement set is used by a user equipment in a connected state to measure a synchronization signal, the measurement set is a first synchronization signal block (SS block) set, and the first SS block set includes a number of SS blocks smaller than a number of SS blocks included in a second SS block set which includes an SS block used by the user equipment in an idle state to measure the synchronization signal; or the measurement set is a signal set, and the signal set includes a part of signals in Y SS blocks, and Y is a positive integer.
    Type: Grant
    Filed: March 24, 2017
    Date of Patent: May 17, 2022
    Assignee: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., LTD.
    Inventor: Zhi Zhang
  • Wireless communication method, terminal device and transmitting and receiving nodes
    Patent number: 11330615
    Abstract: Disclosed are a wireless communication method, a terminal device, and transmitting and receiving nodes. The method comprises: a terminal device receiving, in a first time domain scheduling unit, first downlink control information; and the terminal device acquiring, according to the first downlink control information, information about second downlink control information to be detected in the first time domain scheduling unit. The method, the terminal device and the transmitting and receiving nodes in the embodiments of the present application are beneficial to reduce the complexity of PDCCH detection by the terminal device.
    Type: Grant
    Filed: April 27, 2017
    Date of Patent: May 10, 2022
    Assignee: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., LTD.
    Inventors: Zhi Zhang, Hai Tang
  • Data transmission method, terminal device, and network device
    Patent number: 11330529
    Abstract: Provided are a data transmission method, a terminal device, and a network device. The method may include: a terminal device receives a first offset value sent by a network device; the terminal device determines, according to the first offset value, a first transmission power of uplink data of the terminal device, the first transmission power being less than or equal to a second transmission power, the second transmission power being determined by the terminal device according to the anti-interference ability thereof; and the terminal device sends the uplink data to the network device according to the first transmission power.
    Type: Grant
    Filed: October 12, 2017
    Date of Patent: May 10, 2022
    Assignee: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., LTD.
    Inventors: Ning Yang, Zhi Zhang
  • Wireless communication method and device
    Patent number: 11329712
    Abstract: Embodiments of this application provide a wireless communications method and device, to enable frequency hopping to adapt to flexible transmission of a 5G system. The method includes: determining, by a network device a basic parameter set used by the terminal to transmit the first signal; and sending, by the network device, first information according to the basic parameter set to instruct the terminal to switch or not to switch the uplink transmit antenna.
    Type: Grant
    Filed: November 30, 2020
    Date of Patent: May 10, 2022
    Assignee: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., LTD.
    Inventors: Zhihua Shi, Wenhong Chen, Zhi Zhang
  • Wireless communication method and device
    Patent number: 11330552
    Abstract: Embodiments of this application provide a wireless communication method and a device, to improve flexibility in an aspect of paging or an aspect of broadcast message transmission. The method includes: determining, by a network device, a scheme of performing paging or broadcast message transmission to a terminal device, where the determined scheme is one of a first scheme and a second scheme, where in the first scheme, a first parameter set is used for performing paging or broadcast message transmission at a specific frequency point, and in the second scheme, a second parameter set is used for performing paging or broadcast message transmission at a specific frequency point; and performing, by the network device, paging or broadcast message transmission to the terminal device at the specific frequency point according to the determined scheme.
    Type: Grant
    Filed: May 14, 2020
    Date of Patent: May 10, 2022
    Assignee: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., LTD.
    Inventors: Zhihua Shi, Zhi Zhang
  • DEBLOCKING IN A VIDEO ENCODER AND/OR VIDEO DECODER
    Publication number: 20220141464
    Abstract: A deblocking method for deblocking a boundary between a first block of samples, block P, and a second block of samples, block Q. The method includes determining whether at least one of the P block or the Q block is a combined intra-inter prediction block; and, as a result of determining that at least one of the P block or the Q block is a combined intra-inter prediction block, deblocking the boundary between the P block and the Q block.
    Type: Application
    Filed: January 18, 2022
    Publication date: May 5, 2022
    Applicant: Telefonaktiebolaget LM Ericsson (publ)
    Inventors: Kenneth ANDERSSON, Jack ENHORN, Ruoyang YU, Zhi ZHANG