Patent Number: 6,250,780

Title: Indoor luminaire assembly

Abstract: An indoor luminaire assembly for installation in a grid ceiling which has a low plenum depth profile and defines a ceiling plane, which includes a frame which is disposed in the grid ceiling and is co-planar with the ceiling plane. Also included is a reflector which is attached to the frame and is disposed substantially above the ceiling plane. The reflector includes a highly specular reflective inner surface which has a relatively high specular reflectance of approximately 95%. A lamp is also included for generating light vertically oriented from the reflector. Further, an optical unit is attached to the frame and has a prismatic refractor which is disposed substantially below the ceiling plane for distributing light therethrough.

Inventors: Minissi; Paolo E. (Austin, TX), Ries; Jack L. (Granville, OH)

Assignee: NSI Enterprises, Inc.

International Classification: F21V 5/00 (20060101); F21V 7/04 (20060101); F21V 7/00 (20060101); F21V 5/02 (20060101); F21S 8/02 (20060101); F21V 13/04 (20060101); F21V 13/00 (20060101); F21V 017/00 ()

Expiration Date: 06/26/2018