Patents by Inventor Qinqin Lu

Qinqin Lu 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).

  • Circuit board assembly and radio unit comprising the same
    Patent number: 12376233
    Abstract: A circuit board assembly (1), comprising a first circuit board (10) and a second circuit board (20) which are electrically connected with each other, and a monolithic substrate (30) configured for supporting a power component and comprising a first contact surface (31) that is fixedly connected to and forms a thermal contact with the second circuit board (20), the circuit board assembly being characterized in that, the substrate (30) further comprises a second contact surface (32) that is fixedly connected to the first circuit board (10) and forms a thermal contact with the first circuit board (10) so that the substrate functions as an extension of the first circuit board to support the second circuit board. A radio unit comprising a circuit board assembly (1) is also disclosed.
    Type: Grant
    Filed: April 11, 2021
    Date of Patent: July 29, 2025
    Assignee: Telefonaktiebolaget LM Ericsson (publ)
    Inventors: Donghai Yu, Pinghua Duan, Qinqin Lu, Peng Liu, Yunxuan Ma, Gongao Xu
  • Circuit Board Assembly and Radio Unit Comprising the Same
    Publication number: 20240080981
    Abstract: A circuit board assembly (1), comprising a first circuit board (10) and a second circuit board (20) which are electrically connected with each other, and a monolithic substrate (30) configured for supporting a power component and comprising a first contact surface (31) that is fixedly connected to and forms a thermal contact with the second circuit board (20), the circuit board assembly being characterized in that, the substrate (30) further comprises a second contact surface (32) that is fixedly connected to the first circuit board (10) and forms a thermal contact with the first circuit board (10) so that the substrate functions as an extension of the first circuit board to support the second circuit board. A radio unit comprising a circuit board assembly (1) is also disclosed.
    Type: Application
    Filed: April 11, 2021
    Publication date: March 7, 2024
    Inventors: Donghai Yu, Pinghua Duan, Qinqin Lu, Peng Liu, Yunxuan Ma, Gongao Xu
  • Board Drilling Apparatus, Drill Bit, and Method for Board Drilling Apparatus to Drill a Board
    Publication number: 20220371103
    Abstract: A board drilling apparatus, drill bit, and method for board drilling apparatus to drill a board.
    Type: Application
    Filed: October 25, 2019
    Publication date: November 24, 2022
    Inventors: Pinghua Duan, Xiaogang Song, Qinqin Lu