| 摘要 |
A luminaire (8) is provided which includes a light source (14), a light guide (10) that receives light radiating from the light source (14), and a plurality of prisms (12) adjacent the light guide (10) that redirect the light guide (10) substantially perpendicular to a longitudinal axis of the light guide (10). The prism angles, in one embodiment, are 25 DEG -90 DEG -65 DEG . The fine pitch prism arrays preferably alternate or flip-flop every few millimeters, for example, one to two millimeters to create the visual appearance of bright and dark bands which cause the structure to appear like macro prisms.
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