Patents by Inventor Weiwei Li

Weiwei Li 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: 20210266664
    Abstract: This application discloses a sound acquisition component array, including: two first sound acquisition components, two second sound acquisition components, and two third sound acquisition components. The two second sound acquisition components are located at a first side of a line connecting the two first sound acquisition components, and the two third sound acquisition components are located at a second side of the connecting line that is opposite to the first side of the connecting line; the two second sound acquisition components are symmetrical about a perpendicular bisector of the connecting line, and the two third sound acquisition components are symmetrical about the perpendicular bisector; and a distance between the two first sound acquisition components, a distance between the two second sound acquisition components, and a distance between the two third sound acquisition components are respectively different from one another along a direction defined by the connecting line.
    Type: Application
    Filed: May 12, 2021
    Publication date: August 26, 2021
    Inventors: Jimeng Zheng, Yi Gao, Xuan Ji, Weiwei Li, Meng Yu, Kai Xia, Jun Feng, Zhu Chen, Hongyang Chen, Wenbin Yang, Yu Wang, Yong Liu
  • Publication number: 20210192838
    Abstract: This application discloses an object rendering method and apparatus, a storage medium, and an electronic device. The method includes obtaining a target pixel point to be processed in a diffuse map and a normal map of a to-be-rendered object; determining a first rendering color of the target pixel point according to a pre-integration simulation module and a normal direction parameter corresponding to the target pixel point, the pre-integration simulation module being configured to simulate a pre-integration map, the pre-integration map representing a correspondence between curvature and a color band, and the normal direction parameter representing a normal direction of the target pixel point in a world space coordinate system; determining a target rendering color of the target pixel point according to the first rendering color; and rendering the target pixel point by using the target rendering color.
    Type: Application
    Filed: February 2, 2021
    Publication date: June 24, 2021
    Inventors: Dian LIU, Yucheng QU, Chaoyu HUA, Weiwei LI, Jianeng LU
  • Publication number: 20210173267
    Abstract: A liquid crystal display panel and a preparation method therefor are provided, including: an array substrate and a color filter substrate arranged opposite; the array substrate and the color filter substrate are correspondingly provided with a pixel region, during display the pixel region has an alignment dark fringe caused by photo-alignment, and the alignment dark fringe includes a dark fringe branch line located at an edge of the pixel region, wherein the color filter substrate is provided with a common electrode and a black matrix configured to define the pixel region, the array substrate is provided with a main pixel electrode and an edge voltage source, the edge voltage source is located at an edge of the pixel region and below the black matrix.
    Type: Application
    Filed: March 23, 2020
    Publication date: June 10, 2021
    Applicant: CHENGDU CEC PANDA DISPLAY TECHNOLOGY CO., LTD.
    Inventors: Xingkai FU, Guidong YANG, Yinghui CHEN, Weiwei LI
  • Publication number: 20210174792
    Abstract: Embodiments of this application disclose method and apparatus for positioning a target audio signal by an audio interaction device, and an audio interaction device The method includes: obtaining audio signals in a plurality of directions in a space, and performing echo cancellation on the audio signal, the audio signal including a target-audio direct signal; obtaining weights of a plurality of time-frequency points in the audio signals, a weight of each time-frequency point indicating, at the time-frequency point, a relative proportion of the target-audio direct signal in the audio signals; weighting time-frequency components of the audio signal at the plurality of time-frequency points separately for each of the plurality of directions by using the weights of the plurality of time-frequency points, to obtain a weighted audio signal energy distribution; and obtaining a sound source azimuth corresponding to the target-audio direct signal in the audio signals accordingly.
    Type: Application
    Filed: February 23, 2021
    Publication date: June 10, 2021
    Inventors: Jimeng ZHENG, Ian Ernan LIU, Yi GAO, Weiwei LI
  • Publication number: 20210137664
    Abstract: The invention provides a dentition movement track indicator and a tracing method. The device includes an intra-oral fixation assembly and an extra-oral movement indicating assembly, wherein the intra-oral fixation assembly includes a lower denture base, a left side retention steel wire, a right side retention steel wire and a positioning steel wire. The lower denture base is arranged on the lingual side of the lower dentition and respectively extends from a lower incisor to the far center of the last tooth on the left side and the right side and clings to the lingual mucous membrane. The left side retention steel wire and the right side retention steel wire are distributed in a left-right symmetry mode. The extra-oral movement indicating assembly includes a connecting rod, an arc rod, an indicating plate and a plurality of rectangular parallelepiped thin rods. According to the dentition movement track indicator, an intra-oral fixation assembly.
    Type: Application
    Filed: November 2, 2019
    Publication date: May 13, 2021
    Applicants: Nan Jing Ningdong Digital Technology Co., Ltd.
    Inventors: Lizhe XIE, Yining HU, Weiwei LI, Mingwei LI, Hao WANG
  • Patent number: 10985473
    Abstract: A dielectric resonator antenna having a dielectric resonator element and a substrate assembly attached to the dielectric resonator element. The substrate assembly includes a feeding network arranged to: feed the dielectric resonator element to produce a first linearly-polarized omnidirectional radiation pattern at a first resonant mode, and feed the dielectric resonator element to produce a second linearly-polarized omnidirectional radiation pattern at a second resonant mode different from the first resonant mode.
    Type: Grant
    Filed: August 30, 2019
    Date of Patent: April 20, 2021
    Assignee: City University of Hong Kong
    Inventors: Kwok Wa Leung, Nan Yang, Weiwei Li
  • Publication number: 20210095307
    Abstract: The use of a negative regulator AtRTP5 for increasing the plant resistance to Phytophthora is disclosed. The AtRTP5 gene negatively regulates the plant resistance to Phytophthora by interfering with a plant hormone immune signaling pathway. The AtRTP5 gene has a nucleotide sequence shown as SEQ ID NO: 1 or a homologous sequence having more than 50% homology with the sequence. The use of a protein encoded by a negative regulator AtRTP5 for increasing the plant resistance to Phytophthora is also disclosed. The plant resistance to Phytophthora is enhanced by reducing the expression of the protein encoded by the AtRTP5 gene with genetic engineering. The protein has an amino acid sequence shown as SEQ ID NO: 2 or a homologous sequence having more than 50% homology with the sequence.
    Type: Application
    Filed: September 12, 2020
    Publication date: April 1, 2021
    Inventors: Weixing SHAN, Weiwei LI
  • Patent number: 10957872
    Abstract: An electrode and an organic electroluminescent device using the same are provided. The electrode comprises a first conductive layer (1), a second conductive layer (2) and a third conductive layer (3) that are arranged in a stacked manner The second conductive layer (2) has a single-layer structure or multi-layer composite structure formed by at least one of alkali earth metal, alkali earth metal alloy and alkali earth metal compound, and the third layer (3) has a work function of less than 3 eV. The respective conductive layers of the electrode can compensate with respect to the defects in one another, thereby making the performance of the electrode more stable. In the meantime, because the work function of the third conductive layer (3) is less than 3 eV, the barrier of organics-metal interface can be effectively reduced for guiding the electron injection, thereby increasing the light-emitting efficiency of device.
    Type: Grant
    Filed: January 5, 2018
    Date of Patent: March 23, 2021
    Assignees: Kunshan New Flat Panel Display Technology Center Co. Ltd., Kunshan Go-Visionox Opto-Electronics Co., Ltd.
    Inventors: Weiwei Li, Chao Min, Zhizhong Luo, Song Liu, Wei Ao
  • Publication number: 20210070598
    Abstract: Provided is a liquid collecting device, which comprises a collecting container, wherein the collecting container is provided with a diversion cavity for diverting a body fluid collected; on a wall of the collecting container, at least one jacket cavity configured to store a storage liquid is provided, the jacket cavity is provided around the diversion cavity, and the jacket cavity extends along an axial direction of the diversion cavity, and a cross section of the jacket cavity is annular; and the diversion cavity has an inflow port and an outflow port, and an aperture of the inflow port is larger than that of the outflow port.
    Type: Application
    Filed: December 24, 2019
    Publication date: March 11, 2021
    Inventors: Zhongqi YIN, Weiwei LI, Liqing XU, Jin PAN
  • Publication number: 20210066816
    Abstract: A dielectric resonator antenna having a dielectric resonator element and a substrate assembly attached to the dielectric resonator element. The substrate assembly includes a feeding network arranged to: feed the dielectric resonator element to produce a first linearly-polarized omnidirectional radiation pattern at a first resonant mode, and feed the dielectric resonator element to produce a second linearly-polarized omnidirectional radiation pattern at a second resonant mode different from the first resonant mode.
    Type: Application
    Filed: August 30, 2019
    Publication date: March 4, 2021
    Inventors: Kwok Wa Leung, Nan Yang, Weiwei Li
  • Publication number: 20210045781
    Abstract: The invention provides the internal fixation system of spine posterior screw-plate, including the vertebral plate. The vertebral plate is curved, its internal cambered surface directly faces the spine, and external cambered surface of vertebral plate is equipped with a reinforcing rib. The vertebral plate is set with the perforative injecting hole. One side of vertebral plate is fixed with a fixed connecting plate, and the end of the fixed connecting plate away from the vertebral plate is set with the first regulating hole. The bottom of the fixed connecting plate on two sides of the first regulating hole is set with n-shaped caulking groove.
    Type: Application
    Filed: August 15, 2019
    Publication date: February 18, 2021
    Inventors: XIYANG WANG, ZHENG LIU, YILU ZHANG, YUNQI WU, ZHENCHAO XU, WEIWEI LI, ZHICHENG SUN, YILIN WANG, ZHEN ZHANG, DINGCHAO RONG, HONGRU YE, XIAO XIAO
  • Publication number: 20210045782
    Abstract: The invention provides the internal fixation system of multi-function adjustable spine posterior screw-rod. It not only includes the vertebral plate, but also includes the adjustable connecting rod, screw and lock nut. Among them, vertebral plate is curved, its internal cambered surface directly faces the spine, and external cambered surface of vertebral plate is equipped with a reinforcing rib. The vertebral plate is set with the perforative injecting hole, and the external cambered surface of vertebral plate is set with the located block. The surface of the located block is set with the concave threaded hole, and the located block on two sides of the threaded hole is set with the U-shaped bracket. The top of screw expands to form a locking block, which surface is set with the concave locking hole. The locking block on both sides of locking hole is set with the U-shaped locking groove.
    Type: Application
    Filed: August 15, 2019
    Publication date: February 18, 2021
    Inventors: XIYANG WANG, ZHENG LIU, YILU ZHANG, YUNQI WU, ZHENCHAO XU, WEIWEI LI, ZHICHENG SUN, YILIN WANG, ZHEN ZHANG, DINGCHAO RONG, HONGRU YE, XIAO XIAO
  • Patent number: 10833287
    Abstract: A flexible display device includes: an organic light emitting layer for emitting light; a cathode electrode layer disposed on the organic light emitting layer; and a cavity region located between a plane where the cathode electrode layer is located and the organic light emitting layer.
    Type: Grant
    Filed: July 2, 2019
    Date of Patent: November 10, 2020
    Assignee: Kunshan New Flat Panel Display Technology Center Co., Ltd.
    Inventors: Jiawei Li, Weiwei Li, Kun Hu
  • Publication number: 20200287154
    Abstract: Provided are an OLED, display panel and display device. The OLED includes a first electrode, a second electrode, a light emitting layer and at least one blocking layer. The second electrode is arranged opposite to the first electrode. The light emitting layer is arranged between the first electrode and the second electrode. The blocking layer is arranged between the light emitting layer and the second electrode and/or between the light emitting layer and the first electrode. Each blocking layer of the at least one blocking layer comprises at least two blocking materials, electron mobility of at least one blocking material of the at least two blocking materials is lower than a first preset value, electron mobility of at least another blocking material of the at least two blocking materials is higher than a second preset value, and the first preset value is lower than the second preset value.
    Type: Application
    Filed: May 22, 2020
    Publication date: September 10, 2020
    Applicant: Yungu (Gu'an) Technology Co., Ltd.
    Inventors: WEIWEI LI, LIN HE, MENGZHEN LI, JINGWEN TIAN, TIANTIAN LI
  • Publication number: 20200266375
    Abstract: Provided is an organic light-emitting diode. The organic light-emitting diode includes a first electrode, a second electrode, a light-emitting layer and a hole blocking layer, where the first electrode and the second electrode are oppositely disposed; the light-emitting layer is disposed between the first electrode and the second electrode; the hole blocking layer is disposed between the light-emitting layer and the second electrode; and the hole blocking layer includes at least two hole blocking sub-layers which are stacked, where a lowest unoccupied molecular orbital (LUMO) energy level decreases sequentially in the at least two hole blocking sub-layers.
    Type: Application
    Filed: May 4, 2020
    Publication date: August 20, 2020
    Applicant: Yungu (Gu'an) Technology Co., Ltd.
    Inventors: WEIWEI LI, CHAO CHI PENG, LIN HE, JINGWEN TIAN, TIANTIAN LI, Mengzhen LI
  • Publication number: 20200266379
    Abstract: Disclosed are an organic light emitting diode, a display panel and a display device. The organic light emitting diode includes a first electrode, a second electrode, a light emitting layer and an electron blocking layer, the first electrode and the second electrode are disposed opposite to each other, the light emitting layer is disposed between the first electrode and the second electrode, the electron blocking layer is disposed between the light emitting layer and the first electrode. A LUMO level of the electron blocking layer is higher than a LUMO level of a light emitting host material in the light emitting layer, a first level difference between the LUMO level of the electron blocking layer and the LUMO level of the light emitting host material in the light emitting layer is represented by A, where A?0.4 eV.
    Type: Application
    Filed: April 30, 2020
    Publication date: August 20, 2020
    Applicant: Yungu (Gu'an) Technology Co., Ltd.
    Inventors: WEIWEI LI, LIN HE, MENGZHEN LI, JINGWEN TIAN, TIANTIAN LI
  • Patent number: 10693107
    Abstract: An organic electroluminescence device having RGB pixel areas, wherein optical compensation layers are respectively arranged between the red light emitting layer and the first organic functional layer as well as between the green light emitting layer and the first organic functional layer, the optical compensation layers are made of a first hole transport material and a second hole transport material, the first hole transport material has a triplet-state energy level ?2.48 eV and a HOMO energy level ??5.5 eV, the second hole transport material has a HOMO energy level >?5.5 eV, and the difference between the HOMO energy level of the first hole transport material and the HOMO energy level of the second hole transport material is ?0.2 eV. Its preparation process is simple, and it can significantly reduce power consumption of the light-emitting device so as to increase light-emitting efficiency.
    Type: Grant
    Filed: December 29, 2015
    Date of Patent: June 23, 2020
    Assignees: BEIJING VISIONOX TECHNOLOGY CO., LTD., KUNSHAN NEW FLAT PANEL DISPLAY TECHNOLOGY CENTER CO., LTD., KUNSHAN GO-VISIONOX OPTO-ELECTRONICS CO., LTD.
    Inventors: Song Liu, Weiwei Li, Lin He
  • Publication number: 20200156175
    Abstract: The present disclosure discloses a numerically-controlled plasma special-shaped cutting machine tool including a bracket, a cross beam, a feeding mechanism, a clamping mechanism, a gun head moving mechanism, a material conveying system, a material receiving device, a dedusting system, an electrical control system, and an outer cover. The present disclosure adopts plasma cutting, and the surface quality is obviously improved. Material conveying and cutting are performed by a predetermined program programmed in advance, and the dimensional precision of the machining is well ensured. Workers only need to place a workpiece material on the material conveying system, and the machine tool can perform automatic cutting. The labor intensity of the workers is greatly reduced, the cutting is continuously performed, and the machining efficiency is remarkably improved.
    Type: Application
    Filed: July 19, 2019
    Publication date: May 21, 2020
    Applicant: Beijing Jinsuohengdun Protective Equipment Co., Ltd
    Inventors: Guoxi LIU, Tianyu LAN, Weiwei LI
  • Patent number: 10658603
    Abstract: An electrode and an organic electroluminescent device using the same are provided. The electrode includes a first layer (1) and a second layer (2) arranged in a stacked manner. The first layer (1) is an alkaline earth metal alloy layer and the second membrane (2) has a work function of 2.0 eV to 3.5 eV.
    Type: Grant
    Filed: January 5, 2018
    Date of Patent: May 19, 2020
    Assignee: Kunshan New Flat Panel Display Technology Center Co., Ltd.
    Inventors: Fei Zhao, Weiwei Li, Chao Min, Zhizhong Luo
  • Patent number: D905700
    Type: Grant
    Filed: April 24, 2020
    Date of Patent: December 22, 2020
    Assignee: Hangzhou Yue Fu Si Supply Chain Management Co., Ltd
    Inventors: Zhiye Lu, Weiwei Li