Patents by Inventor Duan A. Haven

Duan A. Haven 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).

  • Protected substrate structure for a field emission display device
    Patent number: 7002287
    Abstract: A protected faceplate structure of a field emission display device is disclosed in one embodiment. Specifically, in one embodiment, the present invention recites a faceplate of a field emission display device wherein the faceplate of the field emission display device is adapted to have phosphor containing wells disposed above one side thereof. The present embodiment is further comprised of a barrier layer which is disposed over the one side of said faceplate which is adapted to have phosphor containing wells disposed thereabove. The barrier layer of the present embodiment is adapted to prevent degradation of the faceplate. Specifically, the barrier layer of the present embodiment is adapted to prevent degradation of the faceplate due to electron bombardment by electrons directed towards the phosphor containing wells.
    Type: Grant
    Filed: July 28, 2000
    Date of Patent: February 21, 2006
    Assignees: Candescent Intellectual Property Services, Inc., Candescent Technologies Corporation
    Inventors: Bob L. Mackey, Duan A. Haven, Arthur J. Learn, John D. Porter, Theodore S. Fahlen, Shiyou Pei, William J. Cummings