Patents by Inventor Hingwing Pun

Hingwing Pun 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).

  • Apparatus and method for use in different ambient lighting conditions
    Patent number: 9638395
    Abstract: An apparatus comprises: an artificial visible light source (8); a layer of photochromic material (2) overlying the artificial light source (8); a layer of opaque material (4) overlying the layer of photochromic material; and one or more apertures (6) through the layer of opaque material (4). The apparatus and a method providing the apparatus are used in different ambient lighting conditions.
    Type: Grant
    Filed: May 31, 2012
    Date of Patent: May 2, 2017
    Assignee: Nokia Technologies Oy
    Inventor: Hingwing Pun
  • APPARATUS AND METHOD FOR USE IN DIFFERENT AMBIENT LIGHTING CONDITIONS
    Publication number: 20150131291
    Abstract: An apparatus comprises: an artificial visible light source (8); a layer of photochromic material (2) overlying the artificial light source (8); a layer of opaque material (4) overlying the layer of photochromic material; and one or more apertures (6) through the layer of opaque material (4). The apparatus and a method providing the apparatus are used in different ambient lighting conditions.
    Type: Application
    Filed: May 31, 2012
    Publication date: May 14, 2015
    Applicant: NOKIA CORPORATION
    Inventor: Hingwing Pun