Patents by Inventor Rui Liu

Rui 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).

  • Publication number: 20220149644
    Abstract: A single-stage battery charger system includes a switched capacitor converter coupled between an input power source and a load, an inductor coupled between a midpoint of the switched capacitor converter and the load, and an isolation switch coupled between the midpoint and the load, wherein the isolation switch is configured such that the single-stage battery charger system functions as a multilevel switching charger when the isolation switch is turned off, and the single-stage battery charger system functions as a switched capacitor charger when the isolation switch is turned on.
    Type: Application
    Filed: December 10, 2020
    Publication date: May 12, 2022
    Inventor: Rui Liu
  • Publication number: 20220147754
    Abstract: A relocation method and a mobile machine using the same are provided. The method includes: obtaining a global map and a current scan map of a target scene where a mobile machine is located, and generating a local sub-map based on the global map; obtaining a black boundary in the local sub-map, determining a length and a curve complexity of the black boundary, and determining a weight of the black boundary based on the length and the curve complexity of the black boundary; determining an estimated pose and a target black boundary based on the local sub-map and the current scan image, and obtaining a matching value between the current scan image and the local sub-map based on a weight of the target black boundary; and determining the estimated pose as a relocated pose of the mobile machine in response to the matching value being larger than a preset threshold.
    Type: Application
    Filed: August 31, 2021
    Publication date: May 12, 2022
    Inventors: Rui Guo, Zhichao Liu, Zhanjia Bi, Yongsheng Zhao
  • Publication number: 20220143685
    Abstract: A centrifugal casting apparatus comprising an upper portion into which molten material is poured, the upper portion having a central rotational axis about which the apparatus is rotated; at least one block runner is connected to the upper portion at the proximal end of the block runner and to at least one mould at the distal end of the block runner, the block runner being mounted substantially perpendicular to the axis of rotation; and wherein the moulds are oriented substantially parallel to the axis of rotation of the centrifugal casting apparatus.
    Type: Application
    Filed: November 4, 2021
    Publication date: May 12, 2022
    Applicant: ROLLS-ROYCE PLC
    Inventors: Rui YANG, Yuyou CUI, Paul A WITHEY, Nicholas GREEN, Feiyang LIU
  • Publication number: 20220145045
    Abstract: The field of new compounds and synthesis methods thereof are related, and particularly to a structure of a steric hindrance adjustable weak base light stabilizer and a preparation method and application thereof. According to the innovative light stabilizer, a steric hindrance thereof is adjusted by establishing substituent generating the steric hindrance around nitrogen atoms; moreover, an electronegativity of the nitrogen atom can be influenced by adjusting a distance of a polar group, so that an alkalinity or a nucleophilicity of the nitrogen atom is adjusted. A desired effect is obtained by adjusting a steric hindrance and a nucleophilic property or an alkalinity where the nitrogen atom is located, so that an application range of the innovative light stabilizer is widened, and the innovative light stabilizer is suitable for PC, polyester, PVC and other slightly acidic or certain electrophilic polymer materials to serve as a light stability protecting aid.
    Type: Application
    Filed: September 17, 2021
    Publication date: May 12, 2022
    Inventors: Lijuan MAO, Shubai LIU, Chengshi ZHAO, Qiwei YIN, Yifan DING, Yifei WANG, Rui LUO, Xiuying CHEN, Jijiang WANG, Jing LI, Chunjuan XU, Jinge SONG, Jun CHEN, Meiya YU
  • Patent number: 11328650
    Abstract: A driver, a display device, and an optical compensation method thereof are provided. The display panel includes sub-pixels arranged in an array. The method includes: receiving an initial gray level of each sub-pixel of a picture to be displayed; determining whether each sub-pixel satisfies a preset determination condition based on the initial gray level of each sub-pixel; if an absolute value of a difference between the initial gray levels of two sub-pixels electrically connected to a same data line and located in two adjacent rows is greater than a preset threshold, it is determined that a sub-pixel in a next row satisfies the preset determination condition; and, in response to determining that a sub-pixel satisfies the preset determination condition, acquiring a first compensation parameter of the sub-pixel, and compensating the initial gray level of the sub-pixel based on the acquired first compensation parameter.
    Type: Grant
    Filed: September 30, 2019
    Date of Patent: May 10, 2022
    Assignees: Beijing BOE Display Technology Co., Ltd., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Yan Yang, Chinghua Hung, Wenchieh Huang, Rui Liu, Wei Sun, Ming Chen
  • Patent number: 11328792
    Abstract: The present invention provides a device, method, and program for detection of a biomarker candidate that may be used in a diagnosis of a pre-disease state indicating a transition from a healthy state to a disease state. Biological samples are collected from a subject to be measured at different times. Statistical data is obtained by aggregating measurement data obtained in measurement on collected biological samples. Thereafter, a process of obtaining high-throughput data (s1), a process of choosing differential biological molecules (s2), a process of clustering (s3), a process of choosing a DNB candidate (s4), and a process of identifying a DNB by significance analysis (s5) are carried out.
    Type: Grant
    Filed: February 12, 2013
    Date of Patent: May 10, 2022
    Assignee: Japan Science and Technology Agency
    Inventors: Kazuyuki Aihara, Luonan Chen, Rui Liu, Zhiping Liu, Meiyi Li
  • Patent number: 11324417
    Abstract: A magnetic resonance coil frame includes a frame structure, forming in between a receiving space for at least a body portion of a recumbent patient located in a lying plane, wherein at least a first air-operated body-fixation means having a variable shape for immobilizing the body portion is arranged outside the lying plane at a side of the frame structure facing the receiving space. Thus, immobilizing a patient during magnetic resonance imaging and/or treatment can be improved.
    Type: Grant
    Filed: May 9, 2019
    Date of Patent: May 10, 2022
    Inventor: Rui Liu
  • Publication number: 20220137000
    Abstract: The present disclosure provides a high-frequency magnetoimpedance testing apparatus and method. A testing platform in the apparatus is arranged within a Helmholtz coil and connected to a modulating electric current source and a high-frequency impedance analyzer, respectively; the Helmholtz coil is connected to a DC power source; a processor is connected to the high-frequency impedance analyzer and the DC power source separately; the testing platform includes a first double-sided copper-clad plate, and mode transition switches and connection terminals that are arranged on the first double-sided copper-clad plate; one end of the first double-sided copper-clad plate is connected to the high-frequency impedance analyzer, while the other end of the same is connected to a load; the mode transition switches are connected to the modulating electric current source.
    Type: Application
    Filed: January 5, 2021
    Publication date: May 5, 2022
    Applicants: Inner Mongolia University of Technology, Shandong University
    Inventors: Ze LI, Jingshun LIU, Guanyu CAO, Rui LIU, Shuqin XIAO
  • Patent number: 11322111
    Abstract: The present disclosure provides a driving method of a display device and a display device. The driving method of the display device includes: inputting a gate signal with a length of a first duration to each of gate lines; and inputting a data signal to each of data lines to drive the display device for displaying. Among M data lines crossing the gate line in a direction of the gate line from a signal input terminal to an terminal away from the signal input terminal, a start time at which an mth data line input with the data signal is delayed by a second duration, relative to the start time at which a first data line closest to the signal input terminal of the gate line is input with the data signal, and the second duration is less than the first duration.
    Type: Grant
    Filed: December 4, 2019
    Date of Patent: May 3, 2022
    Assignees: Hefei Xinsheng Optoelectronics Technology Co., Ltd., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Xueqin Wei, Chunyang Nie, Ke Dai, Ruilian Li, Lixin Zhu, Bingbing Yan, Yan Yang, Wen Chieh Huang, Ching Hua Hung, Wei Sun, Rui Liu, Ming Chen
  • Patent number: 11322594
    Abstract: A semiconductor device, and methods of forming the same. In one example, the semiconductor device includes a trench in a substrate having a top surface, and a shield within the trench. The semiconductor device also includes a shield liner between a sidewall of the trench and the shield, and a lateral insulator over the shield contacting the shield liner. The semiconductor device also includes a gate dielectric layer on an exposed sidewall of the trench between the lateral insulator and the top surface. The lateral insulator may have a minimum thickness at least two times thicker than a maximum thickness of the gate dielectric layer.
    Type: Grant
    Filed: December 28, 2020
    Date of Patent: May 3, 2022
    Assignee: TEXAS INSTRUMENTS INCORPORATED
    Inventors: Fei Ma, Ya ping Chen, Yunlong Liu, Hong Yang, Shengpin Yang, Baoqiang Niu, Rui Liu, Zhi Peng Feng, Seetharaman Sridhar, Sunglyong Kim
  • Publication number: 20220127517
    Abstract: The present disclosure discloses methods for preparing an in-situ nano emulsifier. The preparation method may include obtaining a solution by dissolving hydrated ferric chloride (or ferric chloride) and hydrated ferrous sulfate (or ferrous sulfate) into deionized water at a first temperature; obtaining an ethanol solution dissolved with an oil-soluble surfactant by dissolving an oil-soluble surfactant into ethanol at a second temperature; and adding a certain volume of ammonia water and the ethanol solution dissolved with the oil-soluble surfactant in the solution to obtain an in-situ nano emulsifier. The in-situ nano emulsifier may be applied to development of the oil reservoir through an application process. The application process may include preparing a nano emulsifier solution and a surfactant solution; sequentially injecting the surfactant solution and the nano emulsifier solution into a formation; and injecting a spacer liquid slug into the formation for replacement.
    Type: Application
    Filed: April 20, 2021
    Publication date: April 28, 2022
    Applicant: SOUTHWEST PETROLEUM UNIVERSITY
    Inventors: Wanfen PU, Xing ZHAO, Rui LIU, Lin SUN, Daijun DU
  • Publication number: 20220118297
    Abstract: Disclosed are a fire extinguishing system and method for an ultra-high voltage (UHV) converter station, and a UHV converter station. The fire extinguishing system includes a spray fire extinguishing system and a fire monitor-based fire extinguishing system, where the spray fire extinguishing system includes a first fire pipe and a spray pipe; the fire monitor-based fire extinguishing system includes a second fire pipe and a fire monitor; one fire monitor is disposed right above a firewall on both sides of each converter transformer in the UHV converter station, and each fire monitor is connected to one second fire pipe; a spray pipe is disposed on the firewall on both sides of each converter transformer; and the fire monitor corresponding to each converter transformer, and an outlet of the spray pipe connected to the first fire pipe corresponding to each converter transformer face the converter transformer.
    Type: Application
    Filed: December 31, 2021
    Publication date: April 21, 2022
    Inventors: Jiaqing Zhang, Yubiao Huang, Yong Huang, Dengfeng Cheng, Liufang Wang, Shengli Song, Jinzhong Li, Yifu Zhou, Pengcheng Yang, Yu Tian, Yanguo Ke, Sha Luo, Jia Xie, Minghao Fan, Wei Li, Yi Guo, Fengju Shang, Rui Liu
  • Patent number: 11309372
    Abstract: An organic light-emitting diode (OLED) display may have an array of organic light-emitting diode pixels that each have OLED layers interposed between a cathode and an anode. Voltage may be applied to the anode of each pixel to control the magnitude of emitted light. The conductivity of the OLED layers may allow leakage current to pass between neighboring anodes in the display. To reduce leakage current and the accompanying cross-talk in a display, the pixel definition layer may disrupt continuity of the OLED layers. The pixel definition layer may have a steep sidewall, a sidewall with an undercut, or a sidewall surface with a plurality of curves to disrupt continuity of the OLED layers. A control gate that is coupled to a bias voltage and covered by gate dielectric may be used to form an organic thin-film transistor that shuts the leakage current channel between adjacent anodes on the display.
    Type: Grant
    Filed: April 27, 2018
    Date of Patent: April 19, 2022
    Assignee: Apple Inc.
    Inventors: Jaein Choi, Andrew Lin, Cheuk Chi Lo, Chun-Yao Huang, Gloria Wong, Hairong Tang, Hitoshi Yamamoto, James E. Pedder, KiBeom Kim, Kwang Ohk Cheon, Lei Yuan, Michael Slootsky, Rui Liu, Steven E. Molesa, Sunggu Kang, Wendi Chang, Chun-Ming Tang, Cheng Chen, Ivan Knez, Enkhamgalan Dorjgotov, Giovanni Carbone, Graham B. Myhre, Jungmin Lee
  • Patent number: 11302233
    Abstract: The disclosure provides a timing control method and a timing control circuit for a display panel, a driving device, and a display device. The method includes: in respective display periods, supplying a data enable signal to a source driving circuit. The source driving circuit supplies a data signal to a plurality of sub-display regions under the control of the data enable signal. The data enable signal is switched between an active level and an inactive level, and the active levels of the data enable signal are in one-to-one correspondence with the plurality of sub-display regions of the display panel. The farther one of the plurality of sub-display regions from the source driving circuit, the longer time period, at an active level, of the data enable signal for controlling the source driving circuit to provide the data signal to at least one row of pixels in the sub-display region is.
    Type: Grant
    Filed: May 26, 2020
    Date of Patent: April 12, 2022
    Assignees: BEIJING BOE DISPLAY TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Yan Yang, Rui Liu, Wei Sun, Ming Chen, Xue Dong
  • Patent number: 11303154
    Abstract: According to some embodiments, a magnetic secured transmission (MST) driver is provided. The MST driver includes a full-bridge switching circuit that includes a first half-bridge coupled to a first node and a second half-bridge coupled to a second node; and a control circuit coupled to drive the first half-bridge according to MST input data and to drive the second half bridge according to a high-frequency pulse width modulation (PWM) signal.
    Type: Grant
    Filed: March 28, 2019
    Date of Patent: April 12, 2022
    Assignee: Integrated Device Technology, Inc.
    Inventors: Tao Qi, Gustavo Mehas, Rui Liu
  • Publication number: 20220108925
    Abstract: A semiconductor structure is provided. The semiconductor structure includes: a base substrate having an opening; and a first gate layer formed in the opening. In the first gate layer closes a top of the opening and the first gate layer includes at least one void. The semiconductor structure further includes a second gate layer formed on the first gate layer. An atomic radius of the material of the second gate layer is smaller than gaps among atoms of the material of the first gate layer and the void is filled by atoms of one of the material of the first gate layer and the material of the second gate layer.
    Type: Application
    Filed: December 14, 2021
    Publication date: April 7, 2022
    Inventors: Jian Qiang LIU, Chao TIAN, Zi Rui LIU, Ching Yun CHANG, Ai Ji WANG
  • Patent number: 11292098
    Abstract: A hub chuck, includes a clamping center shaft, a top cover plate, a middle step gear and a tapered bottom plate. In a three-layer structure of the cover plate, the step gear and the tapered bottom plate of the chuck, the maximum outer ring diameter of the cover plate is smaller than that of the step gear, the minimum outer ring diameter of the step gear is smaller than that of the tapered bottom plate, the lower part of the step gear and the upper surface of the tapered bottom plate form a ring groove, a lower rim of a hub can be caught in the ring groove, and tapered teeth at the upper part of the step gear can be pressed to an inner wheel lip.
    Type: Grant
    Filed: March 9, 2020
    Date of Patent: April 5, 2022
    Assignee: CITIC DICASTAL CO., LTD.
    Inventors: Xinghua Liu, Zhiliang Zhang, Zhiqiang Lu, Rui Liu, Di Cao
  • Publication number: 20220101670
    Abstract: A vehicle performance evaluation method, device and terminal are provided. The method includes: acquiring a labeled. ADE score of an ADE item within a time period in which the ADE item occurs, and recording labeled data of an ADE index for indicating a vehicle state; acquiring a correlation between the ADE item and the vehicle state, according to the labeled ADE score and the labeled data of the ADE index; acquiring data of a target ADE index within a preset time period, and acquiring a target ADE score according to the data of the target ADE index and a correlation between the ADE item and the vehicle state; and acquiring a vehicle performance evaluation result according to the target ADE score. The passenger participation is not necessary, costs can be reduced and a vehicle evaluation efficiency can be improved.
    Type: Application
    Filed: December 10, 2021
    Publication date: March 31, 2022
    Inventors: Lizhi Zhang, Yunyan Hu, Yifeng Pan, Rui Liu, Ya Wang, Qihao Huang
  • Publication number: 20220101671
    Abstract: A vehicle performance evaluation method, device and terminal are provided. The method includes: acquiring a labeled ADE score of an ADE item within a time period in which the ADE item occurs, and recording labeled data of an ADE index for indicating a vehicle state; acquiring a correlation between the ADE item and the vehicle state, according to the labeled ADE score and the labeled data of the ADE index; acquiring data of a target ADE index within a preset time period, and acquiring a target ADE score according to the data of the target ADE index and a correlation between the ADE item and the vehicle state; and acquiring a vehicle performance evaluation result according to the target ADE score. The passenger participation is not necessary, costs can be reduced and a vehicle evaluation efficiency can be improved.
    Type: Application
    Filed: December 10, 2021
    Publication date: March 31, 2022
    Inventors: Lizhi Zhang, Yunyan Hu, Yifeng Pan, Rui Liu, Ya Wang, Qihao Huang
  • Patent number: 11290027
    Abstract: A wireless charging receiver circuit includes a first bridge arm unit connected to the first node and a common ground node, a second bridge arm unit connected to the second node and the common ground node, a first voltage converter unit connected to the second node and the common ground node, a second voltage converter unit connected to the first node and a common ground node, a filter circuit, a bias power supply circuit, and a control unit configure to control the switch transistors, such that the voltage output terminals of the first voltage converter unit and the second voltage converter unit output a voltage signal.
    Type: Grant
    Filed: August 24, 2021
    Date of Patent: March 29, 2022
    Assignee: Halo Microelectronics Co., Ltd.
    Inventors: Shuang Han, Rui Liu, Songnan Yang