Patents Assigned to Advanced Lighting Techniques, Inc.
  • Plasma lamp and method
    Patent number: 7105989
    Abstract: A plasma lamp and method having high efficacy, high color rendering index, and a desirable correlated color temperature with improved color consistency from lamp to lamp. The lamp may include a vaporizable fill material comprising halides of sodium and scandium and a filter formed from a vitreous material containing a dopant. In one aspect, the filter is formed by a glass shroud containing neodymium oxide that reduces the transmission of yellow light.
    Type: Grant
    Filed: February 12, 2004
    Date of Patent: September 12, 2006
    Assignee: Advanced Lighting Techniques, Inc.
    Inventors: Abbas Lamouri, Juris Sulcs