Patents by Inventor Quingqing JIANG

Quingqing JIANG 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 bulb
    Patent number: 9951911
    Abstract: An LED light bulb has LEDs (32) mounted on a tubular carrier (22) with open ends. The tube (22) functions as a chimney to promote cooling by creating convection currents through the chimney. The cooling can be entirely passive or it may be active by incorporating a fan (50).
    Type: Grant
    Filed: January 19, 2015
    Date of Patent: April 24, 2018
    Assignee: PHILIPS LIGHTING HOLDING B.V.
    Inventors: Tim Dekker, Haoyang Shi, Hendrik Jan Eggink, Wei Gu, Quingqing Jiang
  • LED BULB
    Publication number: 20160341370
    Abstract: An LED light bulb has LEDs (32) mounted on a tubular carrier (22) with open ends. The tube (22) functions as a chimney to promote cooling by creating convection currents through the chimney. The cooling can be entirely passive or it may be active by incorporating a fan (50).
    Type: Application
    Filed: January 19, 2015
    Publication date: November 24, 2016
    Inventors: Tim DEKKER, Haoyang SHI, Hendrik Jan EGGINK, Wei GU, Quingqing JIANG