Patents by Inventor Juan Yu

Juan Yu 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).

  • Patent number: 11185566
    Abstract: A total flavonoid extract from Gynura formosana Kitam., comprising, in weight percent, 80-85% of rutin. A method for preparing the total flavonoid extract from Gynura formosana Kitam. comprises solvent extraction, complex enzymatic hydrolysis, and separation and purification by a macroporous resin. The total flavonoid extract from Gynura formosana Kitam. is used to prepare a drug or health product related to alcoholic fatty liver disease.
    Type: Grant
    Filed: March 17, 2020
    Date of Patent: November 30, 2021
    Assignee: Zhangzhou Pien Tze Huang Pharmaceutical Co., Ltd.
    Inventors: Zhiliang Chen, Jinming Huang, Fei Hong, Juan Yu, Zhiyi Luo, Xuxin Li
  • Publication number: 20210191220
    Abstract: A display device system and a display device are disclosed. The display device system includes: a display device comprising an electrochromic pattern; a control circuit, one port of which is connected to the display device; a thermo-electric conversion film, one end of which is connected to the other port of the control circuit, and the other end of which is an end for connecting to an external electronic device; wherein the thermo-electric conversion film is configured to receive waste heat from the external electronic device and convert the waste heat to electrical energy for powering the control circuit, and the control circuit is configured to control change of the electrochromic pattern.
    Type: Application
    Filed: August 21, 2020
    Publication date: June 24, 2021
    Inventors: Yanqiu Li, Liping Lei, Juan Yu
  • Publication number: 20210098542
    Abstract: The present disclosure provides a display panel, a display device and a display method. The display panel includes a base substrate, and an organic electroluminescent device layer, a detection sensor and a color switchable structure which are successively located on the base substrate and are insulated from each other, where the organic electroluminescent device layer includes a plurality of sub-pixels, and the color switchable structure includes sub-units disposed in one-to-one correspondence with the sub-pixels; the sub-units are configured to transmit light emitted by the sub-pixels under the control of applied different signals, or to display light of colors corresponding to the applied signals; and the detection sensor is configured to detect display parameters of the sub-pixels or the sub-units.
    Type: Application
    Filed: March 31, 2020
    Publication date: April 1, 2021
    Inventors: Yanqiu LI, Juan Yu
  • Publication number: 20200388379
    Abstract: A method for reducing training requirements for clinical trial staff including receiving clinical trial information for a clinical trial, wherein the clinical trial information includes one or more clinical trial tasks, one or more training units associated with at least one of the tasks, and clinical trial protocol requirements; providing a list of the clinical trial tasks to a user for selection, wherein the user is a member of the clinical trial staff; generating a training program for the user, comprising a plurality of assigned training units, wherein each of the assigned training units are associated with the selected clinical trial tasks; providing the assigned training units from the training program to the user for completion; documenting completion of the assigned training units; and documenting confirmation that the user is qualified for the clinical trial after completion of the assigned training units, wherein confirmation is provided by a principal investigator.
    Type: Application
    Filed: June 5, 2020
    Publication date: December 10, 2020
    Inventors: Erick Marquez, Andrew Chan, Kevin Beyer, Amanda Steenbergen, Brian Schilb, Grant Murakami, Juan Yu, Eric Zudak, Craig Otta, Gabe Kwok, Daria Coltrain, Michael Demo
  • Publication number: 20200257971
    Abstract: Embodiments provide a full-linear model for the optimal power flow of an integrated power and natural-gas system based on a deep learning method, mainly comprising following steps of: 1) establishing an integrated power and natural-gas system and acquiring basic data of the integrated power and natural-gas system; 2) establishing a linear natural-gas model based on deep learning; and 3) based on the linear natural-gas model, establishing a full-linear model for the optimal power flow of the integrated power and natural-gas system. In the full-linear model for the optimal power flow of an integrated power and natural-gas system based on a deep learning method provided by the present invention, one-segment linearization is performed on a natural-gas pipeline model. Compared with the conventional segmented linear model, the method provided by the present invention can greatly improve the calculation efficiency.
    Type: Application
    Filed: June 15, 2019
    Publication date: August 13, 2020
    Inventors: Zhifang Yang, Lin Guo, Juan Yu, Wei Dai, Yan Yang, Mingxu Xiang
  • Publication number: 20200222484
    Abstract: Disclosed is a total flavonoids extract of Gynura formosana Kitam., containing 80%-85% of rutin by weight percent content. The results of pharmacological experiments show that the extract can lower the activity of xanthine oxidase in the liver of a hyperuricemia model mouse and reduce the synthesis of uric acid to a certain degree and has a certain uric acid-lowering effect, and can be used as a potential drug for treating hyperuricemia or gout. The method for preparing the total flavonoids extract of Gynura formosana Kitam. comprises: after an extraction step, selecting a complex enzyme composed of enzymes with a specific composition and a specific ratio for enzymolosis, and further carrying out the step of extracting and concentrating with macroporous resin and isolating and purifying with macroporous resin, so that the HPLC purity of rutin in the resulting total flavonoids extract of Gynura formosana Kitam. reaches 80%-85%.
    Type: Application
    Filed: March 17, 2020
    Publication date: July 16, 2020
    Inventors: Huijun Yuan, Tingting Yin, Fei Hong, Juan Yu, Jinxiang Zeng, Shicong Wang
  • Publication number: 20200215141
    Abstract: A total flavonoid extract from Gynura formosana Kitam., comprising 80-85% of rutin. A preparation method comprises selecting a complex enzyme consisting of a specific composition and ratio of enzymes for enzymatic hydrolysis, extracting and concentrating by a macroporous resin, and separating and purifying by a macroporous resin. The extract has therapeutic effect on non-alcoholic fatty liver disease.
    Type: Application
    Filed: March 17, 2020
    Publication date: July 9, 2020
    Inventors: Zhiliang Chen, Jinming Huang, Juan Yu, Fei Hong, Zhaoqiang Zhang, Xuxin Li
  • Publication number: 20200215140
    Abstract: A total flavonoid extract from Gynura formosana Kitam., comprising, in weight percent, 80-85% of rutin. A method for preparing the total flavonoid extract from Gynura formosana Kitam. comprises solvent extraction, complex enzymatic hydrolysis, and separation and purification by a macroporous resin. The total flavonoid extract from Gynura formosana Kitam. is used to prepare a drug or health product related to alcoholic fatty liver disease.
    Type: Application
    Filed: March 17, 2020
    Publication date: July 9, 2020
    Inventors: Zhiliang Chen, Jinming Huang, Fei Hong, Juan Yu, Zhiyi Luo, Xuxin Li
  • Patent number: 10541287
    Abstract: The present disclosure provides a display substrate, a manufacturing method thereof, a display panel, and a display device. The display substrate includes: a substrate; and a thin film transistor, provided on a first surface of the substrate and including an electrode and an insulating layer, the insulating layer covering the electrode, wherein a groove is formed on a surface of the insulating layer away from the electrode, and an orthogonal projection of a bottom wall of the groove on the substrate overlaps with an orthogonal projection of the electrode on the substrate. In the display substrate provided by the present disclosure, a surface of the insulating layer covering the electrode away from the substrate is planarized, so that the subsequently formed layer structures may have better flatness, and problems of faulting, fracturing and so on likely occurring when the display substrate is bent may be solved.
    Type: Grant
    Filed: July 31, 2018
    Date of Patent: January 21, 2020
    Assignees: BEIJING BOE DISPLAY TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Ning Cui, Jiazuo Sai, Yanqiu Li, Juan Yu
  • Publication number: 20190131366
    Abstract: The present disclosure provides a display substrate, a manufacturing method thereof, a display panel, and a display device. The display substrate includes: a substrate; and a thin film transistor, provided on a first surface of the substrate and including an electrode and an insulating layer, the insulating layer covering the electrode, wherein a groove is formed on a surface of the insulating layer away from the electrode, and an orthogonal projection of a bottom wall of the groove on the substrate overlaps with an orthogonal projection of the electrode on the substrate. In the display substrate provided by the present disclosure, a surface of the insulating layer covering the electrode away from the substrate is planarized, so that the subsequently formed layer structures may have better flatness, and problems of faulting, fracturing and so on likely occurring when the display substrate is bent may be solved.
    Type: Application
    Filed: July 31, 2018
    Publication date: May 2, 2019
    Inventors: Ning Cui, Jiazuo Sai, Yanqiu Li, Juan Yu
  • Publication number: 20180348834
    Abstract: A method and device for determining static equivalences of distribution networks is provided. The method comprises: acquiring node admittance matrices related to a border node and a distribution network, power loss and a voltage value and a current value of the border node; constructing static equivalence determination conditions for determining static equivalences of the distribution network, comprising a consistency of sensitivity equation, a consistency of power loss equation, an equivalent network power balance equation and a Kirchhoff's current equation; and calculating static equivalent parameters according to the static equivalence determination conditions. The inventive method and device are simple and effective, where the consistency of sensitivity and power loss before and after equivalence are considered comprehensively, and where the distributed generators' voltage and power support characteristics in an active distribution network are reserved.
    Type: Application
    Filed: October 10, 2017
    Publication date: December 6, 2018
    Inventors: Juan Yu, Bo Hu, Wei Dai, Linwei Li, Wei Yan, Xia Zhao
  • Patent number: 10126802
    Abstract: The present disclosure discloses a method and device for determining static equivalences of distribution networks, relating to the technical field of static equivalences of power systems. The method comprises: acquiring node admittance matrices related to a border node and a distribution network, power loss and a voltage value and a current value of the border node; constructing static equivalence determination conditions for determining static equivalences of the distribution network, comprising a consistency of sensitivity equation, a consistency of power loss equation, an equivalent network power balance equation and a Kirchhoff's current equation; and calculating static equivalent parameters according to the static equivalence determination conditions.
    Type: Grant
    Filed: October 10, 2017
    Date of Patent: November 13, 2018
    Inventors: Juan Yu, Bo Hu, Wei Dai, Linwei Li, Wei Yan, Xia Zhao
  • Publication number: 20180029347
    Abstract: The present disclosure provides a display substrate and methods for attaching and peeling a flexible substrate thereof. The display substrate comprises a carrier substrate, a flexible substrate disposed on the carrier substrate, and an adhesive layer disposed between the carrier substrate and the flexible substrate. The adhesive layer comprises a magnetic viscous layer whose viscous strength is variable under an action of a magnetic field. One side of the adhesive layer contacted with the flexible substrate is provided with the magnetic viscous layer. Since the magnetic viscous layer whose viscous strength is variable under an action of a magnetic field is disposed on one side of the display substrate facing the flexible substrate, the flexible substrate can be attached and peeled during the manufacturing process just through a magnetic viscous layer under an action of a magnetic field. Further, the carrier substrate and the adhesive layer may be recycled.
    Type: Application
    Filed: October 11, 2016
    Publication date: February 1, 2018
    Inventors: Jianguo XING, Jiazuo SAI, Juan YU, Feng WANG
  • Patent number: 9860523
    Abstract: The present invention provides a slit grating structure and a display device, and relates to the field of stereo display technology. The slit grating structure of the present invention comprises a plurality of alternately arranged transparent strips and switching strips, and a drawing and injecting unit, wherein the drawing and injecting unit is configured to inject non-transparent liquid into the switching strips from a cavity and draw non-transparent liquid out of the switching strips. When the slit grating structure cooperates with a 2D display panel, 2D and 3D switching display can be achieved.
    Type: Grant
    Filed: March 25, 2014
    Date of Patent: January 2, 2018
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., BEIJING BOE DISPLAY TECHNOLOGY CO., LTD.
    Inventors: Hailong Wu, Juan Yu, Weitao Chen
  • Publication number: 20160345002
    Abstract: The present invention provides a slit grating structure and a display device, and relates to the field of stereo display technology. The slit grating structure of the present invention comprises a plurality of alternately arranged transparent strips and switching strips, and a drawing and injecting unit, wherein the drawing and injecting unit is configured to inject non-transparent liquid into the switching strips from a cavity and draw non-transparent liquid out of the switching strips. When the slit grating structure cooperates with a 2D display panel, 2D and 3D switching display can be achieved.
    Type: Application
    Filed: March 25, 2014
    Publication date: November 24, 2016
    Inventors: Hailong WU, Juan YU, Weitao CHEN
  • Publication number: 20160277698
    Abstract: A method for vocally controlling a television and television thereof is provided. The method for vocally controlling a television comprises collecting a first voice signal of a user; displaying an instruction interface which comprises N instructions for the user to select a first instruction corresponding to the first voice signal when the television cannot recognize the first voice signal, said first instruction being any one instruction among the N instructions; and storing the first voice signal in a first voice set corresponding to the first instruction according to the pre-built instruction-voice set correspondence relationship, the first voice set comprising all the voice signals for triggering the first instruction. The method for vocally controlling a television and the television of the present disclosure can improve the voice control function of the television.
    Type: Application
    Filed: August 27, 2014
    Publication date: September 22, 2016
    Inventors: Hailong WU, Juan YU, Weitao CHEN
  • Patent number: 8731487
    Abstract: The present disclosure discloses a device for four-frequency transceiving of a Global System for Mobile Communication (GSM), comprising a Power Amplifier (PA), a radio frequency transceiving chip, a baseband control chip, an antenna switch, a GSM low frequency filter and a GSM high frequency filter. The antenna switch receives a control signal transmitted from the baseband control chip, and the antenna switch connects to a corresponding line according to the control signal, and transmits signals between the antenna and the connected line; the GSM low frequency filter receives the signals of a first frequency band or a second frequency band which are transmitted by the antenna switch, and passes the signals of the first frequency band or the second frequency band; the GSM high frequency filter receives the signals of a third frequency band or a fourth frequency band which are transmitted by the antenna switch, and passes the signals of the third frequency band and the fourth frequency band.
    Type: Grant
    Filed: September 19, 2010
    Date of Patent: May 20, 2014
    Assignee: ZTE Corporation
    Inventors: Wenqing He, Juan Yu, Hu Ge
  • Publication number: 20140119608
    Abstract: A surveillance system which improves accuracy and robustness of abnormal behavior detection of a monitored object traversing a space includes a metadata processing module, a model building module, and a behavior assessment module. The metadata processing module generates trajectory information for a monitored object and determines attributes of the monitored object. The model building module generates and updates normal motion models based on at least one of the trajectory information, the attributes, and an abnormal behavior score. The behavior assessment module generates the abnormal behavior score based on one of a plurality of methods. A first one of the plurality of methods defines wrong direction behavior. A second one of the plurality of methods defines wandering/loitering behavior. A third one of the plurality of methods defines speeding behavior.
    Type: Application
    Filed: January 8, 2014
    Publication date: May 1, 2014
    Applicant: Panasonic Corporation
    Inventors: Kuo Chu Lee, Hasan Timucin Ozdemir, Juan Yu, Xiangjun Shi
  • Publication number: 20140112546
    Abstract: A video surveillance system is disclosed. The system includes a model database storing a plurality of models and a vector database storing a plurality of vectors of recently observed trajectories. The system includes a model building module that builds a new motion model corresponding to the motion data of the current trajectory data structure. The system generates a current trajectory data structure having motion data and abnormality scores. The system also includes a database purging module configured to determine a subset of vectors that is most similar to the current trajectory data structure based on a measure of similarity between the subset of vectors and the current trajectory data structure. The database purging module is further configured to replace one of the motion models in the model database with the new motion model based on an amount of vectors in the subset vectors the recentness of the subset of vectors.
    Type: Application
    Filed: December 23, 2013
    Publication date: April 24, 2014
    Applicant: Panasonic Corporation
    Inventors: Kuo Chu Lee, Hasan Timucin Ozdemir, Xiangjun Shi, Lipin Liu, Namsoo Joo, Juan Yu, Jun Liu
  • Patent number: 8591238
    Abstract: An electrical connector includes an insulative housing, a first contact and a central contact being of a uni-configuration respectively retained in the housing. The housing has a mating cavity extending through a front face thereof, a receiving hole extending through a rear face thereof, and a projection rearwards projecting from the rear face. The projection defines a retaining slot opened sideward and a supporting portion disposed between the retaining slot and the rear face of the housing, a connecting portion of the central contact climbs over the supporting portion and runs through the retaining slot.
    Type: Grant
    Filed: February 21, 2012
    Date of Patent: November 26, 2013
    Assignee: Hon Hai Precision Industry Co., Ltd.
    Inventors: Jun Zhang, Chun-Sheng Li, Jian-Jun Ma, Bin Peng, Jun Wang, Le-Juan Yu, Yan Tian