Patents by Inventor Choi Lai Man

Choi Lai Man 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).

  • Visible-blind UV detectors
    Patent number: 6362483
    Abstract: Visible-blind UV detectors are disclosed comprising an active layer of ZnSTe alloy. The Te composition can be varied to provide good lattice matching depending on the nature of the substrate (eg Si, GaP or GaAs) and a novel structure is provided to give high quantum efficiency. The invention also discloses UV detectors with an active layer of pure ZnS and with an active layer of ZnSSe.
    Type: Grant
    Filed: December 29, 1998
    Date of Patent: March 26, 2002
    Assignee: The Hong Kong University of Science & Technology
    Inventors: Iam Keong Sou, Zhaohui Ma, Choi Lai Man, Zhi Yu Yang, Kam Sang Wong, George Ke-Lun Wong