Patent Number: 6,250,772

Title: Luminaire with transversely movable lamp support

Abstract: The luminaire has an elongate concave reflector (1) defining a light-emission window (2), supports 3) for positioning electrical fluorescent tubes (4, 5) and a row of lamellae (6) in the light-emission window (2). A prismatic reflector element (7) extends in the longitudinal direction of the reflector (1) and has its base (72) in the light-emission window (2) and its top (71) next to the fluorescent tubes (4, 5). The luminaire, when mounted to a ceiling, can suitably be used to illuminate vertical surfaces, while the floor is illuminated to a smaller extent only.

Inventors: Entrop; Jean P. (Eindhoven, NL), Wijbenga; Hendrik (Eindhoven, NL)

Assignee: U.S. Philips Corporation

International Classification: F21V 11/06 (20060101); F21V 11/00 (20060101); F21S 8/04 (20060101); F21V 13/10 (20060101); F21V 13/00 (20060101); F21S 004/00 ()

Expiration Date: 06/26/2018