Patents by Inventor Yanfeng Li

Yanfeng 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: 20200362239
    Abstract: The near-infrared luminescent material is capable of efficiently emitting near-infrared light with a peak wavelength of 900 nm to 1,100 nm under an effective excitation wavelength of 250 nm to 750 nm. The luminescent material has the characteristics of wide excitation emission wavelength, high luminous efficiency, uniform luminescence, no impurity phase, high stability, simple preparation and the like. The present invention further provides the light-emitting device prepared from the near-infrared luminescent material. The luminescent material and the light-emitting device provided by the present invention solve the problems of poor stability, low luminous efficiency, high preparation cost and the like of a conventional near-infrared luminescent material and light-emitting device, and have a favorable application prospect.
    Type: Application
    Filed: September 13, 2018
    Publication date: November 19, 2020
    Inventors: RONGHUI LIU, XIAOXIA CHEN, YUANHONG LIU, YANFENG LI, XIAOLE MA
  • Publication number: 20200362048
    Abstract: The present invention provides a BCMA-targeted chimeric antigen receptor (CAR) as well as a preparation method therefor and an application thereof. Specifically, the present invention provides the BCMA-targeted CAR, which comprises a BCMA-targeted scFv, a hinge region, a transmembrane region, and an intracellular signal structure domain. The present invention provides a nucleic acid molecule for coding the CAR and a corresponding expression vector as well as CAR-T cells and application thereof. The CAR of the present invention targets BCMA-positive cells, and can be used for treating BCMA-positive B-cell lymphoma, multiple myeloma and plasma cell leukemia.
    Type: Application
    Filed: May 22, 2020
    Publication date: November 19, 2020
    Applicant: CELLULAR BIOMEDICINE GROUP HK LIMITED
    Inventors: Yutian WEI, Lin ZHU, Yanfeng LI, Yihong YAO, Xin YAO, Jiaqi HUANG, Li ZHANG, Shigui ZHU, Xiaoteng LV
  • Patent number: 10815221
    Abstract: The present disclosure relates to novel crystalline forms of an androgen receptor antagonist drug (ODM-201 represented by formula (I)), preparation method thereof and use thereof. The crystalline form B or the crystalline form C of ODM-201 provided by the present disclosure has low hygroscopicity, good stability, high solubility, excellent flowability, optimal particle size with uniform distribution, which provides a new choice for the preparation of drugs containing ODM-201 and is of great value for drug development.
    Type: Grant
    Filed: August 25, 2017
    Date of Patent: October 27, 2020
    Assignee: Crystal Pharmaceutical (Suzhou) Co., Ltd.
    Inventors: Minhua Chen, Yanfeng Zhang, Kaiqiang Yan, Qiyue Liu, Xiaoyu Zhang, Jiaoyang Li
  • Publication number: 20200287476
    Abstract: A power supply system includes at least one inverter, at least one cell string, and a transformer, where an input end of the at least one inverter is connected to an output end of the at least one cell string, an output end of the at least one inverter is connected to an input end of the transformer, and an output end of the transformer is configured to output a power supply voltage. The output end of the at least one inverter is connected to an output end of an inverter unit.
    Type: Application
    Filed: May 22, 2020
    Publication date: September 10, 2020
    Inventors: Yongbing Gao, Yanfeng Li, Xun Wang
  • Publication number: 20200282458
    Abstract: The disclosure discloses a method for preparing a ??-Fe4N soft magnetic material by using liquid nitrogen through high-speed ball milling, and belongs to the field of the soft magnetic material. According to the method of the disclosure, high energy in the liquid nitrogen is used for obtaining a nanometer material FexN with a nitrogen atom supersaturation degree through cryogrinding. At a low temperature, the material is very brittle, and a surface volume ratio is very high, so that a content of nitrogen atoms adsorbed on a surface of a sample is as high as 22%. Through 300° C. post-annealing, ??-Fe4N is directly obtained from ?-Fe through phase change, so that a nanometer crystal ??-Fe4N soft magnetic material is prepared.
    Type: Application
    Filed: May 22, 2020
    Publication date: September 10, 2020
    Inventors: Yanfeng Jiang, Ru Li, Linxin Jiang
  • Patent number: 10761331
    Abstract: A display panel includes a base substrate, and a plurality of sub-pixels disposed on the base substrate and located at least in a left eye display area and a right eye display area of the display panel. The left eye display area and the right eye display area are arranged side by side. An area of the display panel outside the left eye display area and the right eye display area is a non-display area.
    Type: Grant
    Filed: December 10, 2018
    Date of Patent: September 1, 2020
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., ORDOS YUANSHENG OPTOELECTRONICS CO., LTD.
    Inventors: Chao Li, Wei Li, Yanfeng Li, Yanqing Chen, Ning Wang, Weida Qin, Pan Guo, Yongchao Wang, Haoyi Xin
  • Publication number: 20200208625
    Abstract: Provided are an elastomeric-hose-compressing part, a cartridge, and a roller assembly for a pump head of a peristaltic pump, and a pump head for a peristaltic pump. The elastomeric-hose-compressing part includes a surface for compressing the elastomeric hose which has an arcuate shape along its length direction, wherein the surface for compressing the elastomeric hose is provided with flanges oppositely arranged on two side portions of the elastomeric-hose-compressing part in the width direction, the width direction of the elastomeric-hose-compressing part is perpendicular to the length direction, and the surface for compressing the elastomeric hose is formed by a continuous surface or by a plurality of surfaces sequentially arranged along the length direction.
    Type: Application
    Filed: December 6, 2019
    Publication date: July 2, 2020
    Inventors: Yanfeng ZHANG, Minghui ZHANG, Penghao LI
  • Patent number: 10700105
    Abstract: An array substrate, a method for manufacturing an array substrate, a display panel and a display device are provided. The array substrate includes: a base substrate including a display area and a non-display area; a dummy data line in the non-display area of the base substrate; and an effective data line in the non-display area of the base substrate. The dummy data line is closer to an edge of the base substrate than the effective data line, and a width of the dummy data line is greater than a width of the effective data line.
    Type: Grant
    Filed: September 14, 2018
    Date of Patent: June 30, 2020
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., ORDOS YUANSHENG OPTOELECTRONICS CO., LTD.
    Inventors: Yanfeng Li, Yanan Yu, Jingyi Xu, Xin Zhao, Xiaokang Wang, Yanwei Ren, Wei Li
  • Patent number: 10666162
    Abstract: A power supply system includes at least one inverter, at least one cell string, and a transformer, where an input end of the at least one inverter is connected to an output end of the at least one cell string, an output end of the at least one inverter is connected to an input end of the transformer, and an output end of the transformer is configured to output a power supply voltage. The output end of the at least one inverter is connected to an output end of an inverter unit.
    Type: Grant
    Filed: September 5, 2019
    Date of Patent: May 26, 2020
    Assignee: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Yongbing Gao, Yanfeng Li, Xun Wang
  • Publication number: 20200142250
    Abstract: A color filter substrate, a display panel and a display device are provided. The color filter substrate includes a common electrode layer and an upper transparent substrate disposed over the common electrode layer. The common electrode layer is provided with a plurality of slits, and orthographic projections of the slits on the upper glass substrate are within an opaque region of the color filter substrate. Orthographic projections of slits in two adjacent rows on the upper transparent substrate are separated by at least two rows of sub-pixel units; or orthographic projections of slits in two adjacent columns on the upper transparent substrate are separated by at least two columns of sub-pixel units.
    Type: Application
    Filed: April 25, 2018
    Publication date: May 7, 2020
    Inventors: Yanfeng LI, Yanan YU, Yanqing CHEN, Wei LI
  • Publication number: 20200104011
    Abstract: A touchscreen includes a touch drive electrode, a touch sensing electrode, a touch drive circuit, a gate drive circuit, a touch drive electrode lead, and a liquid crystal panel. The touch drive electrode extends along a first direction. The touch drive circuit is disposed in a non-display area of the touchscreen, and an extension direction of the touch drive circuit is parallel to an extension direction of the touch drive electrode. The extension direction of the touch drive circuit is the same as the extension direction of the touch drive electrode. Each touch drive electrode is connected to the touch drive circuit using a touch drive electrode lead. The touch drive electrode lead is disposed in an area in which a gate drive circuit is located. The touch drive electrode lead and the gate drive circuit are disposed in an overlapping manner and are isolated from each other.
    Type: Application
    Filed: March 27, 2017
    Publication date: April 2, 2020
    Inventors: Yanfeng Liang, Chunlang Pu, Jianbo ye, Yong Li
  • Patent number: 10577334
    Abstract: The present disclosure relates to a novel crystalline form E of Tafamidis meglumine, process for preparation and use thereof. When compared with prior crystalline forms, the novel crystalline form of the present disclosure has the advantages of simple process and low hygroscopicity, which provides a new and better choice for the development of Tafamidis meglumine drug product and is of great significance.
    Type: Grant
    Filed: May 5, 2017
    Date of Patent: March 3, 2020
    Assignee: Crystal Pharmatech Co., Ltd.
    Inventors: Minhua Chen, Yanfeng Zhang, Jiaoyang Li, Xiaoyu Zhang
  • Patent number: 10554060
    Abstract: A power supply terminal, and a charging control method are disclosed. The power supply terminal includes a USB port, a switch, a power source module, and a processor, where the USB port is configured to connect to a power receiving terminal; one end of the power source module is connected to a power source pin VBUS of the USB port and is configured to charge the power receiving terminal by using the power source pin VBUS; a first end of the switch is connected to the data pin D+ and a second end of the switch is connected to the data pin D?; when the switch is on and the processor detects that a drop amplitude of the output voltage of the power source module exceeds a preset value, in a process in which the power source module outputs a voltage to charge the power receiving terminal.
    Type: Grant
    Filed: July 22, 2014
    Date of Patent: February 4, 2020
    Assignee: Huawei Device Co., Ltd.
    Inventors: Changqi Li, Yanguo He, Lixiang Zheng, Yanfeng Zhao
  • Publication number: 20200026688
    Abstract: The present application relates to the technical field of data processing, providing a file sharing method based on two-dimensional code, a server, a terminal device and a computer readable storage medium. The method comprising: obtaining a user mail sent by a user, wherein the user mail contains a mail subject, a user address and a shared file; storing the shared file and obtaining a storage address; generating a two-dimensional code corresponding to the storage address; returning the two-dimensional code to the user, wherein the two-dimensional code serves as an access entry of the shared file and is used for accessing the shared file by the user. The embodiments of the present application simplify the operational process of file sharing and improve the processing efficiency of file sharing.
    Type: Application
    Filed: May 25, 2018
    Publication date: January 23, 2020
    Inventors: Manhong YUNG, Zhensheng ZHANG, Yanfeng LI
  • Publication number: 20200002400
    Abstract: Provided are a chimeric antigen receptor targeting CD20 antigen and a preparation method thereof. The extracellular antigen binding domain of the chimeric antigen receptor includes an antibody heavy chain variable region shown in SEQ ID NO: 7 or 9 or 33 and an antibody light chain variable region shown in SEQ ID NO: 11 or 13 or 35, and is capable of killing tumor cells.
    Type: Application
    Filed: February 8, 2018
    Publication date: January 2, 2020
    Applicants: CELLULAR BIOMEDICINE GROUP (SHANGHAI) LTD., CELLULAR BIOMEDICINE GROUP (WUXI) LTD.
    Inventors: Yihong YAO, Jiaqi HUANG, Shigui ZHU, Wei ZHU, Xin YAO, Zhiyuan LI, Li ZHANG, Lin ZHU, Anyun MA, Yutian WEI, Yanfeng LI, Qingxia WANG, Jiaping HE
  • Publication number: 20190393802
    Abstract: A power supply system includes at least one inverter, at least one cell string, and a transformer, where an input end of the at least one inverter is connected to an output end of the at least one cell string, an output end of the at least one inverter is connected to an input end of the transformer, and an output end of the transformer is configured to output a power supply voltage. The output end of the at least one inverter is connected to an output end of an inverter unit.
    Type: Application
    Filed: September 5, 2019
    Publication date: December 26, 2019
    Inventors: Yongbing Gao, Yanfeng Li, Xun Wang
  • Patent number: 10509526
    Abstract: Disclosed are a three-dimensional (3D) touch control structure and a display device. The three-dimensional (3D) touch control structure includes: a plurality of magnetic field generating components arranged into an array, and a plurality of electromagnetic inducting components in one-to-one correspondence and arranged in different layers to the magnetic field generating components; wherein a distance exists between the magnetic field generating components and the corresponding electromagnetic inducting components, and the magnetic field generating components are configured for generating magnetic fields and the electromagnetic inducting components are configured for changing in induced potential during touch control.
    Type: Grant
    Filed: September 8, 2016
    Date of Patent: December 17, 2019
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Ruizhi Yang, Yanqing Chen, Yanfeng Li
  • Publication number: 20190370305
    Abstract: Disclosed are a method and apparatus for providing search results. The method may include: carrying out search intention analysis on an input search term so as to determine whether the search term includes an answer requirement; if so, using the search term to retrieve answer content corresponding to the answer requirement; obtaining content to be recommended associated with the answer content; and combining the answer content with the content to be recommended so as to generate at least one search result. Abundant search results can be efficiently provided.
    Type: Application
    Filed: August 14, 2019
    Publication date: December 5, 2019
    Inventors: Guoqing LIU, Yinfang JIA, Yanfeng ZHU, Cong HAN, You HAN, Peng LI, Yueran DANG, Min CHEN
  • Patent number: 10487064
    Abstract: The present disclosure relates to crystalline Form 1, Form 2, Form 3 of Ponesimod, a selective S1P1 receptor modulator, and preparation methods thereof. The X-ray powder diffraction pattern of Form 1 shows characteristic peaks at 2theta values of 18.1°±0.2°, 14.6°±0.2°, 11.3°±0.2°; the X-ray powder diffraction pattern of Form 2 shows characteristic peaks at 2theta values of 3.8°±0.2°, 10.8°±0.2°, 6.1°±0.2°; the X-ray powder diffraction pattern of Form 3 shows characteristic peaks at 2theta values of 12.2°±0.2°, 6.2°±0.2°, 5.6°±0.2°. The crystalline forms in present disclosure not only have better stability but also have higher solubility compared with the prior art forms, they are more suitable for the formulation development of Ponesimod.
    Type: Grant
    Filed: December 23, 2016
    Date of Patent: November 26, 2019
    Assignee: Crystal Pharmatech Co., Ltd.
    Inventors: Minhua Chen, Yanfeng Zhang, Jiaoyang Li, Xiaoyu Zhang
  • Publication number: 20190346447
    Abstract: An ultra-high sensitivity dual-gated biosensor based on an MOS transistor, which is applicable to detection of a series of early tumors. The sensor is prepared and processed by using SOI wafers, and a unique dual-gated structure is realized by ion implantation technique. The sensor is prepared by an ultraviolet lithography combined with an NLD etching method, realizing trace, instant and marker-free detection of tumor markers. The method detects a change in capacitance in the channel during binding of antigen antibodies. The detection method involved in the invention is more stable and strong in anti-interference, can meet the demands in the aspect of detection range and sensitivity, and especially has extremely outstanding detection sensitivity, and can detect a sample with a lowest concentration in the range of 1 fg/ml˜1 ng/ml.
    Type: Application
    Filed: November 1, 2018
    Publication date: November 14, 2019
    Applicant: Wuxi People's Hospital
    Inventors: Tong WANG, Yanfeng JIANG, Ye ZHANG, Hang CHEN, Jialin SUN, Hang LI