Patents Assigned to Tsinghua University
  • Publication number: 20190180610
    Abstract: A vehicle type identification method and device based on mobile phone data for solving the problem of providing a convenient and low-cost vehicle type identification method. The method includes: obtaining trajectory data recorded by a mobile phone of a user within a period of time; judging mobile phone users who are on the same vehicle according to the data, and obtaining a vehicle trajectory and the number of passengers corresponding to the vehicle trajectory; obtaining a vehicle origin and destination according to the vehicle trajectory, and obtaining an origin-destination type of the vehicle trajectory in combination with geographic data; obtaining vehicle driving data according to the vehicle trajectory; and obtaining service area data of vehicle staying according to the vehicle trajectory. The cost of obtaining data by using mobile phone big data and by using mobile phone signaling data collected and provided by an operator is low.
    Type: Application
    Filed: March 28, 2018
    Publication date: June 13, 2019
    Applicants: SHANDONG PROVINCIAL COMMUNICATIONS PLANNING AND DESIGN INSTITUTE, TSINGHUA UNIVERSITY
    Inventors: Wei LIU, Weiling WU, Kai ZHAO, Yong LI, Depeng JIN, Tao MU, Yiwu LI, Yufeng BI, Jianhui ZHENG, Ying CHANG, Xiaobin XU, Xiaoming SHAO
  • Publication number: 20190182624
    Abstract: A method and device for judging intercity transportation modes based on mobile phone data solves the problems of difficult data acquisition and low data processing efficiency in the existing solutions. The method includes: obtaining the trajectory of each user from the mobile phone data; extracting an intercity traffic sub-trajectory in the trajectory of each user; and judging the transportation mode of the intercity traffic sub-trajectory. The solution has the advantages of easy data acquisition, high data processing efficiency and capability of achieving long-term monitoring.
    Type: Application
    Filed: March 28, 2018
    Publication date: June 13, 2019
    Applicants: SHANDONG PROVINCIAL COMMUNICATIONS PLANNING AND DESIGN INSTITUTE, TSINGHUA UNIVERSITY
    Inventors: Yong LI, Wei LIU, Zhen TU, Weiling WU, Li SU, Depeng JIN, Tao MU, Qiyun WEI, Guohua HAN, Chuanyi MA, Pengfei ZHOU, Kai WANG
  • Patent number: 10315938
    Abstract: An activating agent for the treatment of radioactive wastewater. The activating agent is prepared by dissolving a mixture of inorganic salts including Ca2+, Na+, Sr2+, Zn2+, Mg2+, Fe2+ and K+ in pure water having an electrical resistivity greater than 0.5 M?·cm to yield a solution. A method of radioactive wastewater treatment using the activating agent includes: 1) preparing the activating agent; 2) adding the activating agent to radioactive wastewater having an electrical resistivity greater than 0.5 M?·cm; uniformly mixing the activating agent and the radioactive wastewater; 3) further treating the radioactive wastewater including the activating agent using an electro-deionization device; and 4) collecting two liquid flows obtained in 3), one being purified water, the other being concentrated water returning to 2) for further purification.
    Type: Grant
    Filed: September 13, 2016
    Date of Patent: June 11, 2019
    Assignee: TSINGHUA UNIVERSITY
    Inventors: Fuzhi Li, Xuan Zhao, Meng Zhang
  • Patent number: 10319971
    Abstract: The present disclosure relates to a method for making a lithium-sulfur battery separator. The method comprises providing a separator substrate, and forming a functional layer on at least one surface of the separator substrate. A method for forming the functional layer comprises applying a first carbon nanotube layer on the at least one surface; dispersing a plurality of graphene oxide sheets and a plurality of manganese dioxide nanoparticles in a solvent to form a mixture; and depositing the mixture on a surface of the first carbon nanotube layer to form a first graphene oxide composite layer; applying a second carbon nanotube layer on a surface of the first graphene oxide composite layer; and forming a second graphene oxide composite layer on a surface of the second carbon nanotube layer.
    Type: Grant
    Filed: July 19, 2017
    Date of Patent: June 11, 2019
    Assignees: Tsinghua University, HON HAI PRECISION INDUSTRY CO., LTD.
    Inventors: Wei-Bang Kong, Jia-Ping Wang, Kai-Li Jiang, Shou-Shan Fan
  • Patent number: 10319563
    Abstract: The disclosure relates to an electronic beam machining system. The system includes a vacuum chamber; an electron gun located in the vacuum chamber and used to emit electron beam; a holder located in the vacuum chamber and used to fix an object; a control computer; and a diffraction unit located in the vacuum chamber; the diffraction unit includes a two-dimensional nanomaterial; the electron beam transmits the two-dimensional nanomaterial to form a transmission electron beam and a plurality of diffraction electron beams; the transmission electron beam and the plurality of diffraction electron beams radiate the object to form a transmission spot and a plurality of diffraction spots.
    Type: Grant
    Filed: December 14, 2018
    Date of Patent: June 11, 2019
    Assignees: Tsinghua University, HON HAI PRECISION INDUSTRY CO., LTD.
    Inventors: Peng Liu, Wei Zhao, Xiao-Yang Lin, Duan-Liang Zhou, Chun-Hai Zhang, Kai-Li Jiang, Shou-Shan Fan
  • Patent number: 10319974
    Abstract: The present disclosure relates to a lithium-sulfur battery separator. The lithium-sulfur battery separator comprises a separator substrate and a functional layer covered on the separator substrate. The functional layer comprises at least two carbon nanotube layers and at least two graphene oxide composite layers. Each of the at least two graphene oxide composite layers comprises a plurality of graphene oxide sheets and a plurality of manganese dioxide nanoparticles, and the plurality of manganese dioxide nanoparticles are adsorbed on the plurality of graphene oxide sheets and embedded in an interlayer formed by the carbon nanotube layer and the plurality of graphene oxide sheets. The present disclosure also relates to a lithium-sulfur battery comprising the lithium-sulfur battery separator.
    Type: Grant
    Filed: July 19, 2017
    Date of Patent: June 11, 2019
    Assignees: Tsinghua University, HON HAI PRECISION INDUSTRY CO., LTD.
    Inventors: Wei-Bang Kong, Jia-Ping Wang, Kai-Li Jiang, Shou-Shan Fan
  • Patent number: 10319932
    Abstract: A method for making an organic light emitting diode includes providing a preform structure including an anode electrode, a hole transport layer, and an organic light emitting layer stacked on each other in that order. A carbon nanotube composite structure including a polymer and a plurality of first carbon nanotubes dispersed in the polymer is also provided. The plurality of first carbon nanotubes is substantially parallel to each other, and a part of surface of the plurality of first carbon nanotubes is exposed from the polymer. The preform structure, the carbon nanotube composite structure and a cathode electrode are stacked on each other in that order.
    Type: Grant
    Filed: December 20, 2017
    Date of Patent: June 11, 2019
    Assignees: Tsinghua University, HON HAI PRECISION INDUSTRY CO., LTD.
    Inventors: Wen Ning, Peng Liu, Kai-Li Jiang, Shou-Shan Fan
  • Patent number: 10310660
    Abstract: A hover controlling device includes a sensing unit and a hover control unit. The sensing unit includes a plurality of first electrostatic sensing elements, a plurality of first electrodes, a plurality of second electrostatic sensing elements, and a plurality of third electrodes located on a substrate. Each first electrostatic sensing element and each second electrostatic sensing element include a single walled carbon nanotube or a few-walled carbon nanotube. The resistances of the plurality of first electrostatic sensing elements and the plurality of second electrostatic sensing elements are changed in process of a sensed object with electrostatic near, but does not touch the plurality of first electrostatic sensing elements and the plurality of second electrostatic sensing elements. The hover control unit is electrically connected to the plurality of first electrostatic sensing elements and the plurality of second electrostatic sensing elements.
    Type: Grant
    Filed: December 27, 2015
    Date of Patent: June 4, 2019
    Assignees: Tsinghua University, HON HAI PRECISION INDUSTRY CO., LTD.
    Inventors: Xin-He Wang, Dong-Qi Li, Jiang-Tao Wang, Wen-Yun Wu, Yu-Jun He, Peng Liu, Qing-Yu Zhao, Kai-Li Jiang, Shou-Shan Fan
  • Patent number: 10310661
    Abstract: A hover controlling device includes a sensing unit and a hover control unit. The sensing unit includes a plurality of first electrostatic sensing elements, a plurality of first electrodes, a plurality of second electrostatic sensing elements, and a plurality of third electrodes located on a substrate. Each first electrostatic sensing element and each second electrostatic sensing element include a single walled carbon nanotube or a few-walled carbon nanotube. The resistances of the plurality of first electrostatic sensing elements and the plurality of second electrostatic sensing elements are changed in process of a sensed object with electrostatic near, but does not touch the plurality of first electrostatic sensing elements and the plurality of second electrostatic sensing elements. The hover control unit is electrically connected to the plurality of first electrostatic sensing elements and the plurality of second electrostatic sensing elements.
    Type: Grant
    Filed: December 27, 2015
    Date of Patent: June 4, 2019
    Assignees: Tsinghua University, HON HAI PRECISION INDUSTRY CO., LTD.
    Inventors: Xin-He Wang, Dong-Qi Li, Jiang-Tao Wang, Wen-Yun Wu, Yu-Jun He, Peng Liu, Qing-Yu Zhao, Kai-Li Jiang, Shou-Shan Fan
  • Patent number: 10310894
    Abstract: Provided is a method for generating configuration information of a dynamic reconfigurable processor. The dynamic reconfigurable processor includes a processing unit array, and the processing unit array includes a plurality of processing units. The method includes steps of: reading information of a task to be executed and generating an array configuration information top of the processing unit array according to the information; generating a plurality of processing unit configuration information corresponding to the plurality of processing units respectively according to the information; and assembling the array configuration information top and the plurality of processing unit configuration information.
    Type: Grant
    Filed: June 16, 2014
    Date of Patent: June 4, 2019
    Assignee: TSINGHUA UNIVERSITY
    Inventors: Leibo Liu, Yansheng Wang, Guiqiang Peng, Zhaoshi Li, Shouyi Yin, Shaojun Wei
  • Patent number: 10311017
    Abstract: The present disclosure provides a reconfigurable processor and a timing control method thereof. The reconfigurable processor comprises a reconfigurable cell array (RCA) including a plurality of reconfigurable cells (RCs) and a control unit; the control unit is configured to generate and send a timing control information to the RCA; and the RCA is configured to execute an operation task according to the timing control information, wherein the RC in the RCA starts to execute an operation when receiving the timing control information, and delivers the timing control information to a next level of RC within the RCA according to a preset order after the operation is completed; and when the RCA completes the operation task corresponding to the timing control information, the RCA destroys the timing control information, wherein the operation task includes operations executed by each level of the RCs receiving the timing control information.
    Type: Grant
    Filed: March 15, 2018
    Date of Patent: June 4, 2019
    Assignee: Tsinghua University
    Inventors: Leibo Liu, Youyu Wu, Shaojun Wei
  • Patent number: 10312453
    Abstract: The present invention discloses an organic electroluminescent device and a manufacturing method thereof. The host material of the light-emitting layer of the organic electroluminescent device is material in which the triplet state energy level of the CT excited state is higher than that of the n-? excited state by 0 to 0.3 eV; or the triplet state of the host material of the light-emitting layer is higher than that of the n-? excited state by more than 1.0 eV; in addition, the difference in energy level between the second triplet state of the n-? state and the first singlet state of the CT excited state is ?0.1 to 0.1 eV; and the luminescent dye is a fluorescent dye. With regard to the organic electroluminescent device in the present invention, as new host material in the light-emitting layer is used and the host material has a donor group and an acceptor group, the triplet state in the light-emitting layer may be fully utilized to achieve a 100% light-emitting efficiency in the fluorescent device.
    Type: Grant
    Filed: December 16, 2014
    Date of Patent: June 4, 2019
    Assignees: BEIJING VISIONOX TECHNOLOGY CO., LTD., TSINGHUA UNIVERSITY
    Inventors: Yong Qiu, Lian Duan, Dongdong Zhang, Guohui Zhang
  • Patent number: 10312354
    Abstract: A method of making a thin film transistor, the method including: forming a gate insulating layer on a gate electrode; placing a semiconductor layer on the gate insulating layer; locating a first photoresist layer, a nanowire structure, a second photoresist layer on the semiconductor layer, the nanowire structure being sandwiched between the first photoresist layer and the second photoresist layer, wherein the nanowire structure comprises one nanowire; forming one opening in the first photoresist layer and the second photoresist layer to form an exposed surface, wherein a part of the nanowire is exposed in the opening; depositing a conductive film layer on the exposed surface of the semiconductor layer, wherein the conductive film layer defines a nano-scaled channel corresponding to the nanowire, the conductive film layer is divided into two regions, one region is used as a source electrode, the other region is used as a drain electrode.
    Type: Grant
    Filed: December 22, 2017
    Date of Patent: June 4, 2019
    Assignees: Tsinghua University, HON HAI PRECISION INDUSTRY CO., LTD.
    Inventors: Mo Chen, Qun-Qing Li, Li-Hui Zhang, Xiao-Yang Xiao, Jin Zhang, Shou-Shan Fan
  • Patent number: 10312465
    Abstract: A method for making an organic light emitting diode includes providing a preform structure including an anode electrode, a hole transport layer, and an organic light emitting layer stacked on each other in that order. The organic light emitting layer has a first surface and a second surface opposite to the first surface, and the second surface is in direct contact with the hole transport layer. A carbon nanotube structure is located on the first surface. A monomer solution is disposed on the carbon nanotube structure, and the monomer solution is formed by dispersing a monomer into an organic solvent. The monomer is polymerized to form a polymer, and a cathode electrode is formed on the polymer.
    Type: Grant
    Filed: December 20, 2017
    Date of Patent: June 4, 2019
    Assignees: Tsinghua University, HON HAI PRECISION INDUSTRY CO., LTD.
    Inventors: Wen Ning, Peng Liu, Kai-Li Jiang, Shou-Shan Fan
  • Patent number: 10304533
    Abstract: A phase change memory apparatus comprises at least one heating layer; and at least one phase change layer comprising a vanadium dioxide layer, wherein each of the at least one phase change layer is set corresponding to each of the at least one heating layer, the at least one heating layer is configured to heat the at least one phase change layer.
    Type: Grant
    Filed: February 2, 2018
    Date of Patent: May 28, 2019
    Assignees: Tsinghua University, HON HAI PRECISION INDUSTRY CO., LTD.
    Inventors: Ji-Wei Hou, Zhi-Quan Yuan, Kai Liu, Peng Liu, Kai-Li Jiang, Shou-Shan Fan
  • Patent number: 10305060
    Abstract: An organic light emitting diode includes a support body, an anode electrode, a hole transport layer, an organic light emitting layer and an electron transport layer stacked on each other in that order. The electron transport layer has a first surface and a second surface opposite to the first surface. The electron transport layer includes a polymer and a plurality of first carbon nanotubes dispersed in the polymer, and partial surface of the plurality of first carbon nanotubes is exposed from the first surface and spaced apart from the organic light emitting layer.
    Type: Grant
    Filed: December 20, 2017
    Date of Patent: May 28, 2019
    Assignees: Tsinghua University, HON HAI PRECISION INDUSTRY CO., LTD.
    Inventors: Wen Ning, Peng Liu, Kai-Li Jiang, Shou-Shan Fan
  • Patent number: 10302578
    Abstract: Methods and system for decomposing a high-energy dual-energy X-ray CT material are disclosed. In the method, two types of effect such as Compton effect and electron pairing effect which dominates are reserved and the influence of the other effect such a photoelectric effect is removed so as to improve the accuracy of the material decomposition. The unique advantage of the present disclosure is to effectively remove the error of the calculated atomic number Z due to directly selecting two effects during processes of material decomposition in the conventional dual-energy CT method. This may greatly improve the accuracy of dual-energy CT identification of the material, and it is important to improve the conventional dual-use CT imaging system applications, such as clinical therapy, security inspection, industrial non-destructive testing, customs anti-smuggling and other fields.
    Type: Grant
    Filed: April 24, 2017
    Date of Patent: May 28, 2019
    Assignees: Tsinghua University, Nuctech Company Limited
    Inventors: Liang Li, Zhiqiang Chen, Kejun Kang, Li Zhang, Ziran Zhao, Yuxiang Xing, Jianmin Li, Yulan Li, Tiao Zhao
  • Patent number: 10305061
    Abstract: An organic light emitting diode includes a support body, an anode electrode, a hole transport layer, an organic light emitting layer, an electron transport layer, and a cathode electrode stacked on each other in that order. The electron transport layer includes a polymer and a plurality of carbon nanotubes dispersed in the polymer, the polymer has a first surface and a second surface opposite to the first surface, and a length direction of the plurality of carbon nanotubes extends from the first surface to the second surface.
    Type: Grant
    Filed: December 20, 2017
    Date of Patent: May 28, 2019
    Assignees: Tsinghua University, HON HAI PRECISION INDUSTRY CO., LTD.
    Inventors: Wen Ning, Peng Liu, Kai-Li Jiang, Shou-Shan Fan
  • Patent number: 10300679
    Abstract: The disclosure relates to a touch panel. The touch panel includes a substrate having a surface, a metal nanowire film, at least one electrode, and a conductive trace. The metal nanowire film includes a metal nanowire film. The metal nanowire film includes a number of first metal nanowire bundles parallel with and spaced from each other. Each of the number of first metal nanowire bundles includes a number of first metal nanowires parallel with each other. The first distance between adjacent two of the number of first metal nanowires is less than the second distance between adjacent two of the number of first metal nanowire bundles.
    Type: Grant
    Filed: April 25, 2018
    Date of Patent: May 28, 2019
    Assignees: Tsinghua University, HON HAI PRECISION INDUSTRY CO., LTD.
    Inventors: Yuan-Hao Jin, Qun-Qing Li, Shou-Shan Fan
  • Patent number: 10302806
    Abstract: The present disclosure relates to a technical field of a security detection device, and particularly, to a security detection system, comprising one or more detection devices, wherein the detection device comprises a first ray emitter, a ray receiver, and a movable frame, wherein the first ray emitter comprises a first ray source for generating first detection rays and is provided at a bottom portion of the movable frame, so that the first detection rays can penetrate through a detected object from a bottom of the detected object; the ray receiver comprises a ray detector provided on the movable frame, for correspondingly receiving the first detection rays having penetrated through the detected object; and the movable frame is movable in a direction in which the first ray emitter and the ray receiver are capable of moving through a detection region for the detected object.
    Type: Grant
    Filed: October 25, 2016
    Date of Patent: May 28, 2019
    Assignee: Tsinghua University
    Inventors: Jigang An, Peng Cong, Xincheng Xiang, Litao Li, Zhentao Wang, Yanmin Zhang, Jianmin Tong, Weidong Qiu, Chunming Tan, Yibin Huang, Xiaojing Guo, Liqiang Wang, Jian Zheng