Patents Assigned to AL Systems GmbH
  • Light guide element for a lighting device
    Patent number: 8292487
    Abstract: A light guide element for a lighting device is elongated in the direction of a main axis and includes a light coupling surface extending transversely to the longitudinal direction and a light emission surface radiating transversely to the longitudinal direction, and two or more light guides stacked on top of one another, wherein a partial region of the wall of the individual light guides extending in the longitudinal direction is structured and/or blackened.
    Type: Grant
    Filed: May 3, 2011
    Date of Patent: October 23, 2012
    Assignee: AL Systems GmbH
    Inventors: Günther Conzatti, Harald Weingärtner, Paul Swarovski