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).

  • Publication number: 20200059876
    Abstract: A method for determining timing of a synchronization signal block (SS block) includes: receiving, by a user equipment, timing information of the SS block sent by a network apparatus; and determining, by the user equipment, timing of the SS block according to the timing information of the SS block. Embodiments of the present disclosure can be employed to achieve accurate timing for an SS block.
    Type: Application
    Filed: May 4, 2017
    Publication date: February 20, 2020
    Inventor: Zhi ZHANG
  • Patent number: 10567163
    Abstract: A processor using an internal memory to store constants Kt required in a secure hash algorithm (SHA). The latency due to loading the constants Kt from an external memory, therefore, is eliminated. The processor further introduces an instruction set architecture that provides one instruction for the processor to read the constants Kt from the internal memory and perform a particular process on the read constants Kt. Thus, the SHA works efficiently.
    Type: Grant
    Filed: August 1, 2017
    Date of Patent: February 18, 2020
    Assignee: VIA ALLIANCE SEMICONDUCTOR CO., LTD.
    Inventor: Zhi Zhang
  • Patent number: 10564932
    Abstract: The invention introduces a method for calculating floating-point operands, which contains at least the following steps: receiving an FP (floating-point) operand in a first format from a source register, wherein the first format is one of a group of first formats of different kinds; converting the FP operand in the first format into an FP operand in a second format; generating a calculation result in the second format by calculating the FP operand in the second format; converting the calculation result in the second format into a calculation result in the first format; and writing-back the calculation result of the first format.
    Type: Grant
    Filed: February 7, 2017
    Date of Patent: February 18, 2020
    Assignee: VIA ALLIANCE SEMICONDUCTOR CO., LTD.
    Inventors: Zhi Zhang, Jing Chen
  • Publication number: 20200053727
    Abstract: A method and device for transmitting a synchronization signal are provided. The method includes: a terminal device receives time domain position indication information sent by a network device, wherein the time domain position indication information is used for indicating an offset of a position of a time domain resource of each SS block in M SS blocks relative to a predetermined position, and the M is a positive integer greater than or equal to 1; and the terminal device determines the time domain resource of each SS block according to the time domain position indication information.
    Type: Application
    Filed: March 15, 2017
    Publication date: February 13, 2020
    Inventors: Zhi Zhang, Hai Tang
  • Patent number: 10553176
    Abstract: The disclosure discloses a display drive circuit, a display device, and a method for driving the same, where the display drive circuit includes a control circuit arranged between a power supply management circuit and a level conversion circuit, and the control circuit is configured to boost a standard gate turn-on voltage signal provided by the power supply management circuit, and to generate and then output a higher gate turn-on voltage signal to the level conversion circuit, upon determining that an ambient temperature is below a set temperature, and/or an output of a gate drive circuit of a display panel is abnormal, so that the level conversion circuit generates and then outputs a corresponding gate drive signal at higher voltage.
    Type: Grant
    Filed: June 12, 2018
    Date of Patent: February 4, 2020
    Assignees: BOE Technology Group Co., Ltd., Chongqing BOE Optoelectronics Technology Co., Ltd.
    Inventors: Lijun Xiong, Zhi Zhang, Heecheol Kim, Xiuzhu Tang, Shuai Chen, Jingpeng Zhao, Xing Dong, Xiaolong Liu, Gang Chen, Yanli Zhao
  • Publication number: 20200033977
    Abstract: A method for driving a display panel, a display panel, and a display device are provided. The display panel includes: a first gate driver circuit, a second gate driver circuit, common electrodes in an array, data lines, and gate lines, where the gate lines include first and second gate lines alternately row by row in the extension direction of the data lines, the first gate driver circuit is connected with the first gate lines, the second gate driver circuit is connected with the second gate lines, and the common electrodes are reused as touch electrodes; and in one frame, a gate scan signal or an alternating-current touch scan signal is input respectively to the first gate lines and the second gate lines in different periods so that a display function can be enabled, but also a touch report rate can be improved.
    Type: Application
    Filed: May 7, 2019
    Publication date: January 30, 2020
    Inventors: Jingpeng ZHAO, Jieqiong WANG, Zhi ZHANG, Guangquan WANG, Xiang WANG, Panpan LI, Yanfei REN, Xiuzhu TANG, Shuai CHEN
  • Publication number: 20200029367
    Abstract: A method for a terminal device to access a network, a terminal device and a network device are provided. The method includes: sending a random access preamble by a terminal device; receiving, by the terminal device, indication information sent by a first network device; and receiving, by the terminal device, random access response information sent by at least one network device according to the indication information, wherein the at least one network device comprises the first network device.
    Type: Application
    Filed: March 24, 2017
    Publication date: January 23, 2020
    Inventor: Zhi Zhang
  • Publication number: 20200028606
    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: Application
    Filed: March 24, 2017
    Publication date: January 23, 2020
    Inventor: Zhi ZHANG
  • Publication number: 20200026126
    Abstract: A backlight module is provided, including: a back frame in a box shape opening at an opening side; a sealant frame within the back frame; and a light guide plate and a membrane on the light guide plate, both surrounded by the sealant frame; the sealant frame has a step structure including a base portion whose upper surface is a step surface facing towards the opening side and a surrounding wall; the sealant frame has at least one positioning notch recessed into the base portion and the surrounding wall; the membrane has at least one positioning lug at an edge thereof, below the step surface and extending into the positioning notch; and the backlight module includes at least one positioning insert within a respective positioning notch and having a plate piece whose upper surface being an auxiliary supporting surface, facing towards the opening side and flush with the step surface.
    Type: Application
    Filed: May 11, 2018
    Publication date: January 23, 2020
    Inventors: Xiaolong Liu, Taeyup Min, Zhi Zhang, He Sun, Keguo Liu, Gang Chen, Taoliang Tang, Changgong Zhu, Jianghong Wen
  • Publication number: 20200015209
    Abstract: The embodiments of the present disclosure disclose a control signaling transmission method, a base station and a terminal, the method includes: sending, by a base station, a first downlink control signaling to a terminal, and indicating, through the first downlink control signaling, whether the terminal needs to feed back an acknowledgement message corresponding to a reception of the first downlink control signaling; and receiving the acknowledgement message fed back by the terminal if the base station indicates that the terminal needs to feed back the acknowledgement message corresponding to the reception of the first downlink control signaling. The embodiments of the present disclosure can ensure that the base station knows the reception of important control signaling in time, facilitate the configuration and transmission of subsequent control signaling, and improve the reliability of a 5G NR system.
    Type: Application
    Filed: September 19, 2019
    Publication date: January 9, 2020
    Applicant: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., LTD.
    Inventor: Zhi ZHANG
  • Publication number: 20200015281
    Abstract: Embodiments of the present disclosure disclose a system information transmission method, a base station and a terminal. The method includes: a base station configuring physical random access channel (PRACH) parameters according to an access purpose of a terminal, and transmitting to the terminal, the access purpose comprising to request system information or to request initial access, the PRACH parameters comprising a number of a PRACH occasion and a time interval for the terminal to retransmit a random access request, each of the PRACH occasion corresponding to a different PRACH resource; receiving a random access request transmitted by the terminal according to the PRACH parameters selected according to the access purpose; if the access purpose of the terminal is to request the system information, transmitting system information to the terminal. The embodiments of the present disclosure facilitate system efficiency optimization.
    Type: Application
    Filed: September 19, 2019
    Publication date: January 9, 2020
    Inventors: Zhi ZHANG, Ning YANG
  • Publication number: 20200015265
    Abstract: Embodiments of the present disclosure disclose a method for transmitting system information, a base station and a terminal, the method including: receiving, by a base station, MSG1 transmitted by a terminal; determining an access purpose of the terminal according to a preset mapping relationship between a physical random access channel resource used by the terminal to transmit the MSG1 and the access purpose of the terminal, the access purpose including requesting the system information, requesting initial access, or requesting the system information and the initial access at one time; transmitting, by the base station, MSG2 to the terminal if the access purpose of the terminal is to request the system information, or to request the system information and the initial access at one time. It is possible to transmit the system information according to the requirements of the terminal, which is beneficial to optimize the system efficiency.
    Type: Application
    Filed: September 20, 2019
    Publication date: January 9, 2020
    Applicant: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., LTD.
    Inventors: Zhi ZHANG, Ning YANG
  • Publication number: 20200015193
    Abstract: Methods for triggering a user equipment (UE) to monitor a paging message, user equipments, base stations, and storage medium are provided. A method for triggering a user equipment (UE) to monitor a paging message, carried out in the UE, the method comprising: acquiring a correspondence between the UE and a time-frequency resource, where a trigger message for the UE locates, of a broadcast channel; receiving the trigger message from a base station via a time-frequency resource of a broadcast channel according to the correspondence; and triggering monitoring of the paging message for the UE.
    Type: Application
    Filed: July 18, 2019
    Publication date: January 9, 2020
    Applicant: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., LTD.
    Inventors: Zhi Zhang, Zhihua Shi
  • Publication number: 20200015277
    Abstract: An information transmission method, equipment and a computer-readable storage medium are provided. The method includes that: the base station sends indication information on a first channel for performing a first service, wherein the indication information comprises at least one of information associated with a second channel or a timing instance at which a terminal monitors the second channel, the second channel being used for performing a second service, and sends configuration information for the terminal on the second channel. The method can avoid the high power consumption caused by the continuous monitoring of the terminal and reduce the impacts on performance of the other terminals.
    Type: Application
    Filed: July 16, 2019
    Publication date: January 9, 2020
    Applicant: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., LTD
    Inventors: Zhihua SHI, Jia Shen, Zhi Zhang
  • Publication number: 20200008178
    Abstract: A wireless communication method and device are provided. The method includes: a network device determines N target frequency domain units for sending reference signals and a target reference signal pattern of each target frequency domain unit in the N target frequency domain units, wherein N is an integer greater than or equal to 1; and the network device sends the reference signals on the each target frequency domain unit according to the target reference signal pattern.
    Type: Application
    Filed: March 23, 2017
    Publication date: January 2, 2020
    Inventors: Zhi Zhang, Hai Tang
  • Patent number: 10517089
    Abstract: Method of scrambling signals, transmission point device, and user equipment using the method are provided. The method includes: sending an ID table to a user equipment through higher layer signaling, the ID table being a subset of the whole ID space and containing available IDs for the user equipment; notifying the user equipment an ID in the ID table to be used through physical layer signaling or UE specific higher layer signaling; generating a random seed based on the notified ID; initializing a scrambling sequence by the random seed; and scrambling the signals with the initialized scrambling sequence. The method of the disclosure, by combining physical layer signaling and higher layer signaling, may notify the used group ID and the blind detection space to a UE, wherein the blind detection for the UE is enabled and the signaling overhead is reduced.
    Type: Grant
    Filed: March 26, 2019
    Date of Patent: December 24, 2019
    Assignee: Sun Patent Trust
    Inventors: Zhi Zhang, Ming Xu, Masayuki Hoshino, Daichi Imamura, Akihiko Nishio
  • Patent number: 10510316
    Abstract: The present disclosure provides a control circuit, a control method, and a display apparatus. The control sub-circuit is connected to a first voltage input terminal, a second voltage input terminal and the driving sub-circuit, and configured to boost a second voltage input from the second voltage input terminal to obtain a third voltage when it is detected that a first voltage input from the first voltage input terminal is lower than or equal to a first reference voltage, and output the third voltage to the driving sub-circuit; the driving sub-circuit is connected to the control sub-circuit, a fourth voltage input terminal and scan lines of a display panel, and configured to output the third voltage to the scan lines when it is detected that a fourth voltage input from the fourth voltage input terminal is lower than or equal to a second reference voltage.
    Type: Grant
    Filed: September 12, 2018
    Date of Patent: December 17, 2019
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., CHONGQING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Lijun Xiong, Xiuzhu Tang, Zhi Zhang, Shuai Chen, Xing Dong, Taoliang Tang, Jingpeng Zhao, Zhenguo Tian, Xuebo Liang, Shuang Hu
  • Patent number: 10506718
    Abstract: The disclosure discloses a display panel, a detection method thereof, a flexible printed circuit, and a display device. The flexible printed circuit includes a second bonding area, a plurality of contact pins and at least one test pin group are arranged in the second bonding area; the contact pins are configured to be bonded respectively with corresponding contact pads in the first bonding area; the test pin group is configured to be bonded with a corresponding test pad group in the first bonding area; the test pin group includes test pins; and the test pin group is configured so that after bonding, bonding states of the contact pins with the contact pads are determined by detecting conducting or non-conducting state between the test pins and the corresponding test pads.
    Type: Grant
    Filed: July 16, 2018
    Date of Patent: December 10, 2019
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., HEFEI BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Xuemei Zhao, Hu Li, Jian He, Zhi Zhang
  • Publication number: 20190372042
    Abstract: Organic light-emitting display panel and device are provided for improving performance of the organic light-emitting device. The organic functional layer comprises an organic light-emitting layer and a first electron transmission layer between the cathode and the organic light-emitting layer. The first electron transmission layer comprises a first doping agent, and the first doping agent contains alkaline earth metal elements or rare earth metal elements. A second electron transmission layer is located between the first electron transmission layer and the organic light-emitting layer, and the second electron transmission layer is undoped with the first doping agent. A lowest unoccupied molecular orbital LUMO1 in the first electron transmission layer and a lowest unoccupied molecular orbital LUMO2 in the second electron transmission layer satisfy: |LUMO1?LUMO2|<0.18 eV.
    Type: Application
    Filed: September 20, 2018
    Publication date: December 5, 2019
    Inventors: Shuang CHENG, Xiangcheng WANG, Jinghua NIU, Qing ZHU, Zhi ZHANG, Jianyun WANG, Jun LIN
  • Publication number: 20190364567
    Abstract: Disclosed is a data communication method. In the method, a user equipment (UE) sends a report including the UE's capability of using multiple radio frequency (RF) chains for data communication, to a base station, receives an instruction of how to use the multiple RF chains in a component carrier for the data communication, from the base station, configures a number of the RF chains to operate in the component carrier according to the instruction, and performs the data communication with the base station through using the number of the configured RF chains in the component carrier. Also disclosed is a data communication apparatus and computer readable storage medium.
    Type: Application
    Filed: January 9, 2018
    Publication date: November 28, 2019
    Applicant: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., LTD.
    Inventors: Zhi ZHANG, Jia SHEN, Hua XU, Zhihua SHI