Patents by Inventor CHENGRUI YAN

CHENGRUI 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).

  • LED lighting bulb and manufacturing method
    Patent number: 11473734
    Abstract: A LED lighting bulb (10) has a lighting driver (28) which is located within the bulb envelope (12). During assembly, the lighting driver (28) may be positioned away from an opening (14) of the envelope (12) so that high temperature sealing of a stem portion (22) of the end cap (16) to the envelope opening (12) can take place. The lighting driver (28) can then be pulled into position against the stem portion (22), and assembly of the end cap (16) can then be completed.
    Type: Grant
    Filed: March 16, 2020
    Date of Patent: October 18, 2022
    Assignee: SIGNIFY HOLDING B.V.
    Inventors: Chengrui Yan, Rui Zou, Morna Shen
  • Lighting unit such as a bulb
    Patent number: 11466818
    Abstract: The invention provides a lighting unit having an internal controller. The external power connector of the lighting unit (i.e. the electrical connector plug for connecting the lighting unit to an electrical lighting socket) comprises a manual adjustment element for selecting a setting of the controller. Thus, the manual adjustment element, which functions as a manual user interface, is integrated into the electrical plug part of the lighting unit.
    Type: Grant
    Filed: October 12, 2021
    Date of Patent: October 11, 2022
    Assignee: SIGNIFY HOLDING B.V.
    Inventors: Chengrui Yan, Mo Shen, Xiaoqing Duan, Yuanqiang Liu
  • LED LIGHTING BULB AND MANUFACTRING METHOD
    Publication number: 20220186888
    Abstract: A LED lighting bulb (10) has a lighting driver (28) which is located within the bulb envelope (12). During assembly, the lighting driver (28) may be positioned away from an opening (14) of the envelope (12) so that high temperature sealing of a stem portion (22) of the end cap (16) to the envelope opening (12) can take place. The lighting driver (28) can then be pulled into position against the stem portion (22), and assembly of the end cap (16) can then be completed.
    Type: Application
    Filed: March 16, 2020
    Publication date: June 16, 2022
    Inventors: CHENGRUI YAN, RUI ZOU, MORNA SHEN
  • LIGHTING UNIT SUCH AS A BULB
    Publication number: 20220120387
    Abstract: The invention provides a lighting unit having an internal controller. The external power connector of the lighting unit (i.e. the electrical connector plug for connecting the lighting unit to an electrical lighting socket) comprises a manual adjustment element for selecting a setting of the controller. Thus, the manual adjustment element, which functions as a manual user interface, is integrated into the electrical plug part of the lighting unit.
    Type: Application
    Filed: October 12, 2021
    Publication date: April 21, 2022
    Inventors: CHENGRUI YAN, MO SHEN, XIAOQING DUAN, YUANQIANG LIU