Patents by Inventor Liwei Xu

Liwei Xu 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: 20200364478
    Abstract: A method and apparatus for liveness detection, a device, and a storage medium are provided. The method for liveness detection includes: performing reconstruction processing based on an image to be detected including a target object to obtain a reconstructed image; obtaining a reconstruction error based on the reconstructed image; and obtaining a classification result of the target object based on the image to be detected and the reconstruction error, where the classification result is living or non-living.
    Type: Application
    Filed: July 20, 2020
    Publication date: November 19, 2020
    Inventors: Rui ZHANG, Mingchao Xu, Liwei Wu, Cheng Li
  • Publication number: 20200339884
    Abstract: A liquid crystal composition contains: at least one compound of general formula I and at least one polymerizable compound of general formula II. Such a liquid crystal composition has a suitable optical anisotropy, a suitable dielectric anisotropy, and a better pretilt angle consistency while maintaining a relatively high clearing point, and the drop mura is good. When the liquid crystal composition is applied to a PSA liquid crystal display, the liquid crystal composition has an excellent display effect.
    Type: Application
    Filed: June 28, 2018
    Publication date: October 29, 2020
    Applicant: Jiangsu Hecheng Display Technology Co., Ltd.
    Inventors: Wenyang Ma, Liwei Wang, Haibin Xu, Wenming Han, Wenqi Zhang
  • Publication number: 20200332195
    Abstract: A PSA-type liquid crystal composition includes a host liquid crystal A and a polymerizable component B, where the host liquid crystal A includes one or more liquid crystal compounds, and the polymerizable component B includes at least one compound selected from compounds of general formula I-1, general formula I-2 and general formula I-3. A liquid crystal display device includes the PSA-type liquid crystal composition above. The PSA-type liquid crystal composition has better intersolubility, cannot be crystallized at a low-temperature environment, can form a relatively stable pretilt angle after the polymerization of the polymerizable component, avoids the image sticking, and inhibits the occurrence of a display defect, such as Zara Particle, during the polymerization.
    Type: Application
    Filed: March 27, 2020
    Publication date: October 22, 2020
    Applicant: Jiangsu Hecheng Display Technology Co., Ltd.
    Inventors: Wenyang Ma, Liwei Wang, Weigang Yan, Wenming Han, Haibin Xu
  • Patent number: 10741947
    Abstract: An electronic interconnect may include a substrate. The substrate may include a passageway in the substrate. The passageway may extend from a first surface of the substrate toward a second surface of the substrate. The passageway may be closed at an end of the passageway. The electronic interconnect may include a plated through hole socket coupled to the passageway. The electronic interconnect may include a contact. The contact may include a pin. The pin may be configured to engage with the plated through hole socket. The electronic interconnect may include a solder ball. The solder ball may be coupled to the plated through hole socket.
    Type: Grant
    Filed: January 11, 2018
    Date of Patent: August 11, 2020
    Assignee: Intel Corporation
    Inventors: Amruthavalli Pallavi Alur, Siddharth K. Alur, Liwei Cheng, Lauren A. Link, Jonathan L. Rosch, Sai Vadlamani, Cheng Xu
  • Patent number: 10721490
    Abstract: Methods and apparatus are provided for adaptive motion vector candidate ordering for video encoding and decoding. An apparatus includes a video encoder (100) for encoding a block in a picture by selecting an order of motion vector predictor candidates for the block responsive to a characteristic available at both the video encoder and a corresponding decoder. The characteristic excludes a mode in which the block is partitioned.
    Type: Grant
    Filed: June 13, 2018
    Date of Patent: July 21, 2020
    Assignee: INTERDIGITAL VC HOLDINGS, INC.
    Inventors: Liwei Guo, Peng Yin, Yunfei Zheng, Joel Sole, Qian Xu, Xiaoan Lu
  • Publication number: 20200176989
    Abstract: Disclosed are a method and apparatus for smoothing a link-line power of an electrothermal microgrid using a thermal storage heat pump cluster.
    Type: Application
    Filed: November 26, 2019
    Publication date: June 4, 2020
    Applicants: State Grid Jiangsu Electric Power CO., LTD Nanjing Power Supply Company, SHANGHAI JIAO TONG UNIVERSITY, HOHAI UNIVERSITY, STATE GRID JIANGSU ELECTRIC POWER CO., LTD
    Inventors: Yong ZHANG, Zhoujun MA, Ming ZHANG, Wentao HUANG, Shigang DAI, Yuping ZHENG, Nengling TAI, Chunning WANG, Liwei WANG, Honghua XU, Yiru CHEN, Di MA
  • Publication number: 20200162940
    Abstract: This application provides example data dimension reduction methods, apparatus, and systems, computer devices, and storage mediums, and relates to the communications field. One example method includes receiving an antenna domain received signal, where the antenna domain received signal includes an uplink signal that is received from UE by an array antenna corresponding to an RRS, wherein the antenna domain received signal is a time domain signal, a dimension of the antenna domain received signal is N1, and N1 is an integer greater than 1. A received beam weight is obtained based on channel information of the UE. Dimension reduction is performed on the antenna domain received signal by using the received beam weight to obtain a beam domain received signal, where the beam domain received signal is a frequency domain signal, a dimension of the beam domain received signal is N2, and 0 <N2<N1.
    Type: Application
    Filed: January 22, 2020
    Publication date: May 21, 2020
    Inventors: Quanzhong GAO, Heng XU, Guochen LIU, Liwei GE, Jianbiao XU, Senbao GUO
  • Publication number: 20200144311
    Abstract: A method for manufacturing a display substrate is provided to include: forming an amorphous silicon layer on a base substrate; irradiating at least part of the display region through a mask plate with a laser, to convert a portion of the amorphous silicon layer in the irradiated part of the display region corresponding to channel regions of active layers of transistors into polycrystalline silicon by a laser annealing process; irradiating at least part of the peripheral region with a laser, to convert the amorphous silicon layer in the irradiated part of the peripheral region into polycrystalline silicon; and forming the active layers of the transistors from the amorphous silicon layer which is converted to polycrystalline silicon by a patterning process.
    Type: Application
    Filed: September 20, 2019
    Publication date: May 7, 2020
    Inventors: Feng GUAN, Chen XU, Zhi WANG, Liwei LIU, Lei CHEN, Xueyong WANG, Yan CHEN
  • Publication number: 20200048554
    Abstract: The present invention provides a liquid crystal composition, comprising, 14-30% of one or more compounds of general Formula I, 8-30% of one or more compounds of general Formula II, 13-58% of one or more compounds of general Formula III, and 20-65% of one or more compounds of general Formula IV, on the basis of the total weight of the liquid crystal composition. The liquid crystal composition of the present invention has a higher retardation, a higher transmittance, a larger optical anisotropy, a proper clearing point, a lower rotational viscosity and a good low-temperature storage stability, and is applicable to liquid crystal display devices to meet the rapid response required by a liquid crystal display, and ensure good display of the liquid crystal display in a harsh environment.
    Type: Application
    Filed: October 27, 2017
    Publication date: February 13, 2020
    Applicant: Jiangsu Hecheng Display Technology Co., Ltd.
    Inventors: Di He, Wenming Han, Wenquan Ding, Haibin Xu, Heming Zhang, Junqiang Zhang, Yafei Yang, Yunyun Liu, Li Wang, Liwei Wang
  • Patent number: 10537814
    Abstract: Camera base game controller, system and methods for video shooting games. The game controller is gun shaped which comprises a sight, camera, embedded computer, wireless communication, etc. A player aims at a target on TV screen with sight and captures pictures with camera. The sight's central axis points to a point on TV, known as “hit point” which is a point-of-aim on TV screen the player aiming to. The sight will project hit point to the picture center. Several methods, including algorithm with mathematical method, 1D and 2D screen coding methods are described to calculate the hit point coordinate on TV screen. The game controller will send this coordinate wirelessly to game computer, which connects to TV and will determine whether a target on TV is hit or not, and reacts accordingly. An alternative game controller design using smart phones directly for its camera and embedded computer is described also.
    Type: Grant
    Filed: December 12, 2016
    Date of Patent: January 21, 2020
    Inventors: Liwei Xu, Alan Xu
  • Publication number: 20190394742
    Abstract: The present disclosure relates to coordinated multipoint wireless communications methods. One example method includes predicting a first delay difference between receiving, by a terminal device, downlink data from a beam A of a first node and receiving, by the terminal device, the downlink data from a beam B of a second node, where the terminal device is located in a coverage area in which the beam A intersects with the beam B, and determining a first adjustment time period based on the first delay difference, where the first adjustment time period is used to adjust a transmission time in which the first node transmits the downlink data to the terminal device by using the beam A.
    Type: Application
    Filed: September 6, 2019
    Publication date: December 26, 2019
    Inventors: Jianbiao XU, Liwei GE, Youtuan ZHU, Yiping QIN
  • Publication number: 20190393143
    Abstract: Embodiments include a package substrate, a method of forming the package substrate, and a semiconductor package. A package substrate includes a conductive layer in a dielectric, a first trace and a first via pad of the conductive layer having a first thickness, and a second trace and a second via pad of the conductive layer having a second thickness. The second thickness of second trace and second via pad may be greater than the first thickness of the first trace and first via pad. The dielectric may include a first dielectric thickness and a second dielectric thickness, where the second dielectric thickness may be less than the first dielectric thickness. The package substrate may include a third via having a third thickness on the first via pad, and a fourth via having a fourth thickness on the second via pad, wherein the third thickness is greater than the fourth thickness.
    Type: Application
    Filed: June 25, 2018
    Publication date: December 26, 2019
    Inventors: Jonathan ROSCH, Wei-Lun JEN, Cheng XU, Liwei CHENG, Andrew BROWN, Yikang DENG
  • Publication number: 20190355654
    Abstract: Microelectronic assemblies, and related devices and methods, are disclosed herein. For example, in some embodiments, a microelectronic assembly may include a package substrate having a core substrate with a first conductive structure having a first thickness on the core substrate, and a second conductive structure having a second thickness on the core substrate, where the first thickness is different than the second thickness.
    Type: Application
    Filed: May 21, 2018
    Publication date: November 21, 2019
    Applicant: Intel Corporation
    Inventors: Cheng Xu, Jiwei Sun, Ji Yong Park, Kyu Oh Lee, Yikang Deng, Zhichao Zhang, Liwei Cheng, Andrew James Brown
  • Publication number: 20190317871
    Abstract: The present invention relates to a data processing system for providing business continuity protection, comprising: a business center comprising a first data processing unit, a first pre-communication unit, and at least a first post-communication unit; a disaster recovery center comprising a second data processing unit, a second pre-communication unit, and at least a second post-communication unit; wherein the first pre-communication unit and the second pre-communication unit are communicatively coupled to the first post-communication unit respectively when the business center operates normally; the first pre-communication unit and the second pre-communication unit are communicatively coupled to the second post-communication unit respectively when the disaster recovery center operates in place of the business center. The data processing system can reliably switch between the business center and the disaster recovery center, thereby providing a complete protection for the business continuity.
    Type: Application
    Filed: March 29, 2017
    Publication date: October 17, 2019
    Applicant: CHINA UNIONPAY CO., LTD.
    Inventors: Lin CHEN, Sen YANG, Junhao ZHANG, Xiaoming ZHANG, Liwei XU
  • Publication number: 20190214751
    Abstract: An electronic interconnect may include a substrate. The substrate may include a passageway in the substrate. The passageway may extend from a first surface of the substrate toward a second surface of the substrate. The passageway may be closed at an end of the passageway. The electronic interconnect may include a plated through hole socket coupled to the passageway. The electronic interconnect may include a contact. The contact may include a pin. The pin may be configured to engage with the plated through hole socket. The electronic interconnect may include a solder ball. The solder ball may be coupled to the plated through hole socket.
    Type: Application
    Filed: January 11, 2018
    Publication date: July 11, 2019
    Inventors: Amruthavalli Pallavi Alur, Siddharth K. Alur, Liwei Cheng, Lauren A. Link, Jonathan L. Rosch, Sai Vadlamani, Cheng Xu
  • Patent number: 10291930
    Abstract: Methods and apparatus are provided for uni-prediction of self-derivation of motion estimation. An apparatus includes a video encoder (300) for encoding at least a portion of a picture. The video encoder includes a self derivation motion estimator (333) for performing self derivation motion estimation for the portion. The self derivation motion estimation is used for selectively performing uni-prediction or bi-prediction for the portion based on one or more criterion.
    Type: Grant
    Filed: October 18, 2016
    Date of Patent: May 14, 2019
    Assignee: INTERDIGITAL MADISON PATENT HOLDINGS
    Inventors: Liwei Guo, Peng Yin, Yunfei Zheng, Xiaoan Lu, Qian Xu, Joel Sole
  • Patent number: 9854798
    Abstract: The present invention discloses a water-soluble granule formulation of 2,4-D salt, comprising components in the following weight percent: 5-80% 2,4-D salt (calculated as 2,4-D acid), and a water-soluble filler as the balance. The water-soluble granule formulation of 2,4-D salt has an outstanding control efficiency on annual or perennial Poaceae weeds and some broadleaf weeds in fields of soybean and other Fabaceae plants. The formulation is environment-friendly, and has the advantages of being free of organic solvents and dusts and being easy to measure in comparison to conventional emulsifiable formulation, wettable powder formulation and suspension formulation. The present invention also discloses the preparation method of the formulation. The production process is simple, economical and safe. The whole production process, without the use of dangerous chemicals, is easy to control and operate and has a high safety factor.
    Type: Grant
    Filed: December 26, 2013
    Date of Patent: January 2, 2018
    Assignee: Shangdong Weifang Rainbow Chemical Co., Ltd.
    Inventors: Guoqing Sun, Yongsheng Hou, Yong Wu, Liwei Xu, Shuai Chen
  • Publication number: 20170182425
    Abstract: Camera base game controller, system and methods for video shooting games. The game controller is gun shaped which comprises a sight, camera, embedded computer, wireless communication, etc. A player aims at a target on TV screen with sight and captures pictures with camera. The sight's central axis points to a point on TV, known as “hit point” which is a point-of-aim on TV screen the player aiming to. The sight will project hit point to the picture center. Several methods, including algorithm with mathematical method, 1D and 2D screen coding methods are described to calculate the hit point coordinate on TV screen. The game controller will send this coordinate wirelessly to game computer, which connects to TV and will determine whether a target on TV is hit or not, and reacts accordingly. An alternative game controller design using smart phones directly for its camera and embedded computer is described also.
    Type: Application
    Filed: December 12, 2016
    Publication date: June 29, 2017
    Inventors: Liwei Xu, Alan Xu
  • Patent number: 9408384
    Abstract: The present invention discloses a water-soluble granule formulation of 2,4-D salt, comprising components in the following weight percent: 5-80% 2,4-D salt (calculated as 2,4-D acid), and a water-soluble filler as the balance. The water-soluble granule formulation of 2,4-D salt has an outstanding control efficiency on annual or perennial Poaceae weeds and some broadleaf weeds in fields of soybean and other Fabaceae plants, for example, such weeds as amaranth, knotweed, lamb's-quarters night shade, siberian cocklebur, barnyard grass, foxtail grass, digitaria sanguinalis, broomcorn millet and the like. The formulation is environment-friendly, and has the advantages of being free of organic solvents and dusts and being easy to measure in comparison to conventional emulsifiable formulation, wettable powder formulation and suspension formulation. The present invention also discloses the preparation method of the formulation. The production process is simple, economical and safe.
    Type: Grant
    Filed: May 2, 2012
    Date of Patent: August 9, 2016
    Assignee: Shandong Weifang Rainbow Chemical Co., Ltd.
    Inventors: Guoqing Sun, Yongsheng Hou, Yong Wu, Liwei Xu, Shuai Chen
  • Publication number: 20140323308
    Abstract: The present invention discloses a water-soluble granule formulation of 2,4-D salt, comprising components in the following weight percent: 5-80% 2,4-D salt (calculated as 2,4-D acid), and a water-soluble filler as the balance. The water-soluble granule formulation of 2,4-D salt has an outstanding control efficiency on annual or perennial Poaceae weeds and some broadleaf weeds in fields of soybean and other Fabaceae plants, for example, such weeds as amaranth, knotweed, lamb's-quarters night shade, siberian cocklebur, barnyard grass, foxtail grass, digitaria sanguinalis, broomcorn millet and the like. The formulation is environment-friendly, and has the advantages of being free of organic solvents and dusts and being easy to measure in comparison to conventional emulsifiable formulation, wettable powder formulation and suspension formulation. The present invention also discloses the preparation method of the formulation. The production process is simple, economical and safe.
    Type: Application
    Filed: May 2, 2012
    Publication date: October 30, 2014
    Applicant: SHANDONG WEIFANG RAINBOW CHEMICAL CO., LTD.
    Inventors: Guoqing Sun, Yongsheng Hou, Yong Wu, Liwei Xu, Shuai Chen