Patents by Inventor Wai Fong Lai

Wai Fong Lai 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).

  • Light tube
    Patent number: 9016915
    Abstract: A light tube for producing light, which may be used in the light fittings, desk lamps, vehicle lights etc. The light tube comprises a plurality of segments arranged end to end along the end of the light tube. Each segment has a transparent or translucent rod 706 having two ends, a head spreader 703 by at least one of said ends and an LED 705 mounted to each heat spreader 703 for directing light laterally into the rod 706. The heat spreaders 703 are mounted to a metal jacket 702 for dissipating heat. The light tube further comprises one or more reflectors 708, 711 for reflecting light out of the light tube.
    Type: Grant
    Filed: January 7, 2010
    Date of Patent: April 28, 2015
    Assignee: The Hong Kong University of Science and Technology
    Inventors: Shi-Wei Lee, Shuk Fan Siu, Wing Shan Kwong, Wai Fong Lai, Wai Lam Cheng, Kin Ho Poon, Rong Zhang
  • Light Tube
    Publication number: 20100302770
    Abstract: A light tube for producing light, which may be used in the light fittings, desk lamps, vehicle lights etc. The light tube comprises a plurality of segments arranged end to end along the end of the light tube. Each segment has a transparent or translucent rod 706 having two ends, a head spreader 703 by at least one of said ends and an LED 705 mounted to each heat spreader 703 for directing light laterally into the rod 706. The heat spreaders 703 are mounted to a metal jacket 702 for dissipating heat. The light tube further comprises one or more reflectors 708, 711 for reflecting light out of the light tube.
    Type: Application
    Filed: January 7, 2010
    Publication date: December 2, 2010
    Inventors: Shi-Wei Lee, Shuk Fan Siu, Wing Shan Kwong, Wai Fong Lai, Wai Lam Cheng, Kin Ho Poon, Rong Zhang