Patents by Inventor Dongdong YAN
Dongdong YAN 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).
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Patent number: 11968886Abstract: A preparation method of perovskite film based on semicarbazide hydrochloride (SEM-HCl) additive and a preparation method of photovoltaic device are provided, a perovskite optimized crystallization strategy is provided, a tin-based perovskite thin film is prepared based on a solution method, and a purpose of regulating and controlling perovskite crystallization is achieved by means of a cross-linking effect of special groups in SEM-HCl and perovskite components. Defects of crystals of the prepared perovskite film are reduced, the non-radiative recombination in a transmission process of carriers is suppressed, and a photoelectric conversion efficiency and a photovoltaic device stability are remarkably improved.Type: GrantFiled: September 19, 2023Date of Patent: April 23, 2024Assignee: NANJING UNIVERSITY OF POSTS & TELECOMMUNICATIONSInventors: Ligang Xu, Wenbo Jia, Dongdong Yan
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Publication number: 20240121177Abstract: This application discloses a path determining method and apparatus. The method includes: receiving a packet; and selecting a target path from a plurality of equal-cost paths in a first group of equal-cost multi-path (ECMP) entries in a forwarding table based on a first equal-cost multi-path ECMP identifier, and forwarding the packet based on the target path, where the first ECMP identifier indicates that at least one valid equal-cost path exists in the plurality of equal-cost paths in the first group of ECMP entries; and the first group of ECMP entries is a last-level ECMP entry in a plurality of levels of ECMP entries in the forwarding table. An ECMP identifier of each group of ECMP entries in each level of ECMP entries in the forwarding table may be used to determine whether a valid equal-cost path exists in the group of ECMP entries.Type: ApplicationFiled: December 19, 2023Publication date: April 11, 2024Inventors: Dongdong Li, Fei Yan
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Publication number: 20240099126Abstract: A preparation method of perovskite film based on semicarbazide hydrochloride (SEM-HCl) additive and a preparation method of photovoltaic device are provided, a perovskite optimized crystallization strategy is provided, a tin-based perovskite thin film is prepared based on a solution method, and a purpose of regulating and controlling perovskite crystallization is achieved by means of a cross-linking effect of special groups in SEM-HCl and perovskite components. Defects of crystals of the prepared perovskite film are reduced, the non-radiative recombination in a transmission process of carriers is suppressed, and a photoelectric conversion efficiency and a photovoltaic device stability are remarkably improved.Type: ApplicationFiled: September 19, 2023Publication date: March 21, 2024Inventors: Ligang Xu, Wenbo Jia, Dongdong Yan
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Publication number: 20230296925Abstract: A traveling wave electrode modulator and a photonic integrated chip including the same. The traveling wave electrode modulator comprises a silicon base, an optical waveguide and a doped transitional area disposed in the silicon base, and a traveling wave electrode structure electrically connected to the transitional area. The traveling wave electrode structure comprises at least one layer of a continuous electrode continuously extending along the direction of extension of the optical waveguide, at least one layer of a periodic electrode periodically disposed along the direction of extension of the optical waveguide, and a conductive structure. The continuous electrode is electrically connected to the periodic electrode via the conductive structure, and the traveling wave electrode structure is electrically connected to the transitional area via the conductive structure.Type: ApplicationFiled: August 3, 2021Publication date: September 21, 2023Inventors: Dongdong YAN, Xianyao LI
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Patent number: 11704139Abstract: Disclosed are a service processing method and apparatus, an electronic device, and a computer-readable storage medium. The method includes: when receiving a User Interface (UI) request, creating a process instance corresponding to the UI request, and storing instance information of the process instance in a storage module (S101); determining a target process instance from the storage module, and determining a step to be executed of the target process instance based on target instance information of the target process instance (S102); searching, from a register, and executing a target method corresponding to the step to be executed, wherein the register includes all methods compiled according to a preset development specification (S103).Type: GrantFiled: January 7, 2021Date of Patent: July 18, 2023Assignee: INSPUR SUZHOU INTELLIGENT TECHNOLOGY CO., LTD.Inventors: Dongdong Yan, Lanhai Zuo, Yi Liu
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Publication number: 20230126437Abstract: Disclosed are a service processing method and apparatus, an electronic device, and a computer-readable storage medium. The method includes: when receiving a User Interface (UI) request, creating a process instance corresponding to the UI request, and storing instance information of the process instance in a storage module (S101); determining a target process instance from the storage module, and determining a step to be executed of the target process instance based on target instance information of the target process instance (S102); searching, from a register, and executing a target method corresponding to the step to be executed, wherein the register includes all methods compiled according to a preset development specification (S103).Type: ApplicationFiled: January 7, 2021Publication date: April 27, 2023Inventors: Dongdong YAN, Lanhai ZUO, Yi LIU
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Patent number: 11425847Abstract: An electro-optic modulator includes a base plate, an optical waveguide, at least one set of modulation electrodes, and an electromagnetic shielding structure. The electromagnetic shielding structure includes a top shielding member covering the set of modulation electrodes from above, and a side shielding member disposed on two sides of the set of modulation electrodes. At least a portion of the side shielding member extends into the base plate to isolate the set of modulation electrodes.Type: GrantFiled: September 10, 2020Date of Patent: August 23, 2022Assignee: Innolight Technology (Suzhou) Ltd.Inventors: Dongdong Yan, Xianyao Li
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Patent number: 11402674Abstract: A silicon-based electro-optic modulator includes a substrate layer, an insulation layer, and an optical waveguide layer stacked sequentially, traveling wave electrodes disposed above the optical waveguide layer, and a metal grating structure periodically configured along the direction in which an electrical signal propagates in the traveling wave electrodes. The metal grating structure is disposed above the optical waveguide layer.Type: GrantFiled: August 19, 2020Date of Patent: August 2, 2022Assignee: InnoLight Technology (Suzhou) Ltd.Inventors: Dongdong Yan, Xianyao Li
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Publication number: 20210084800Abstract: An electro-optic modulator includes a base plate, an optical waveguide, at least one set of modulation electrodes, and an electromagnetic shielding structure. The electromagnetic shielding structure includes a top shielding member covering the set of modulation electrodes from above, and a side shielding member disposed on two sides of the set of modulation electrodes. At least a portion of the side shielding member extends into the base plate to isolate the set of modulation electrodes.Type: ApplicationFiled: September 10, 2020Publication date: March 18, 2021Inventors: Dongdong YAN, Xianyao LI
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Publication number: 20210055581Abstract: A silicon-based electro-optic modulator includes a substrate layer, an insulation layer, and an optical waveguide layer stacked sequentially, traveling wave electrodes disposed above the optical waveguide layer, and a metal grating structure periodically configured along the direction in which an electrical signal propagates in the traveling wave electrodes. The metal grating structure is disposed above the optical waveguide layer.Type: ApplicationFiled: August 19, 2020Publication date: February 25, 2021Inventors: Dongdong YAN, Xianyao LI
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Patent number: 10739664Abstract: An optical modulator includes: a bottom substrate layer, having a first surface; a traveling-wave electrode, being disposed on the first surface of the bottom substrate layer and including a plurality of ground electrodes and a plurality of signal electrodes between the ground electrode; an optical waveguide disposed inside the bottom substrate layer; and a shield layer, including a substrate and a metal layer, the substrate covering at least a portion of the traveling-wave electrode and the metal layer being disposed on the surface of the substrate facing away from the traveling-wave electrode. Each of the ground electrodes is electrically connected to the metal layer to provide electromagnetic shielding for the signal electrodes between the ground electrodes.Type: GrantFiled: July 5, 2019Date of Patent: August 11, 2020Assignee: InnoLight Technology (Suzhou) Ltd.Inventors: Dongdong Yan, Xiaoyao Li, Zhenzhong Wang
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Patent number: 10569873Abstract: An embodiment of the present disclosure provides an unmanned aerial vehicle, An unmanned aerial vehicle, with a double-layered structure formed by stacking a cover and a main component layer, wherein, the main component layer includes a base body and at least one functional component, the base body has a top facing to the cover layer and a bottom opposite to the top, the cover is in direct contact with the top of the base body, and the at least one functional component is mounted on the base body.Type: GrantFiled: February 15, 2017Date of Patent: February 25, 2020Assignee: ZEROTECH (SHENZHEN) INTELLIGENCE ROBOT CO., LTD.Inventors: Liang Chen, Feng Wang, Yaming Tang, Wuyang Huang, Dongdong Yan
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Publication number: 20200012163Abstract: An optical modulator includes: a bottom substrate layer, having a first surface; a traveling-wave electrode, being disposed on the first surface of the bottom substrate layer and including a plurality of ground electrodes and a plurality of signal electrodes between the ground electrode; an optical waveguide disposed inside the bottom substrate layer; and a shield layer, including a substrate and a metal layer, the substrate covering at least a portion of the traveling-wave electrode and the metal layer being disposed on the surface of the substrate facing away from the traveling-wave electrode. Each of the ground electrodes is electrically connected to the metal layer to provide electromagnetic shielding for the signal electrodes between the ground electrodes.Type: ApplicationFiled: July 5, 2019Publication date: January 9, 2020Inventors: Dongdong YAN, Xiaoyao LI, Zhenzhong WANG
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Publication number: 20170313417Abstract: An embodiment of the present disclosure provides an unmanned aerial vehicle, An unmanned aerial vehicle, with a double-layered structure formed by stacking a cover and a main component layer, wherein, the main component layer includes a base body and at least one functional component, the base body has a top facing to the cover layer and a bottom opposite to the top, the cover is in direct contact with the top of the base body, and the at least one functional component is mounted on the base body.Type: ApplicationFiled: February 15, 2017Publication date: November 2, 2017Applicant: ZEROTECH (SHENZHEN) INTELLIGENCE ROBOT CO., LTD.Inventors: Liang CHEN, Feng WANG, Yaming TANG, Wuyang HUANG, Dongdong YAN