| 摘要 |
<p>A vertical louver type venetian blind having a plurality of vertical louvers (12) supported for rotation about their longitudinal axes, and wherein each louver has at least one nonrectilinear contoured longitudinal marginal edge (18a,18b,18c,18d) such that corresponding contoured edges of the louvers create, in various embodiments, generally three-dimensional optical illusion effects when light is emitted through the blind so as to impinge inwardly facing side surfaces of the louvers and when the blind is viewed from interiorly of the corresponding room at an angle of inclination of the planes of the louvers.</p> |
