Patents by Inventor Zhangjun Chen

Zhangjun Chen 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: 20250122990
    Abstract: A lighting apparatus includes an Edison cap, a light housing, a light source plate and a lens module. The light housing includes a back cover. The Edison cap is attached to the back cover. Multiple LED module are mounted on the light source plate. A lens module is disposed above the light source plate. The lens plate includes multiple lens unit corresponding to the multiple LED modules on the light source plate.
    Type: Application
    Filed: December 20, 2024
    Publication date: April 17, 2025
    Inventors: Ping Yan, Zhangjun Chen, Linhua Wang, Peng Li, Jinglong Chen
  • Publication number: 20250107025
    Abstract: A rotating shaft assembly, including a shaft sleeve which has an inner cavity, a second shaft, and a flexible circuit board. A part of the second shaft is located in the inner cavity and is rotatably connected to the shaft sleeve, and the other part of the second shaft is located outside the inner cavity. The flexible circuit board includes a first electrical connection end and a second electrical connection end located outside the inner cavity, a mounting part located between the first electrical connection end and the second electrical connection end, which includes a wound part and a laminated part that are connected, the wound part is wound around the part that is of the second shaft and located in the inner cavity, the laminated part is in a folded state, and at least a part of the laminated part is accommodated in a channel of the second shaft.
    Type: Application
    Filed: December 29, 2022
    Publication date: March 27, 2025
    Inventors: Liang Li, Wei Chen, Zhangjun Chen, Xianchun Zhang
  • Patent number: 12209715
    Abstract: A lighting apparatus includes a light source, a bottom housing, a driver module and an Edison cap. The bottom housing has a bottom cover and lateral wall. A front side of the bottom cover and an interior surface of the lateral wall together define a container space. The light source is placed in the container space. The driver module is disposed on a back side of the bottom cover. The back side is opposite to the front side of the bottom cover. The Edison cap disposed on the back side of bottom cover. The Edison cap routes an external power to the driver module for generating a driving current to the light source.
    Type: Grant
    Filed: October 5, 2023
    Date of Patent: January 28, 2025
    Assignee: LEEDARSON LIGHTING CO., LTD.
    Inventors: Zhangjun Chen, Ping Yan, Linhua Wang, Peng Li, Jinglong Chen