Patent ID: 7427433
Filing Date: 2008-09-23
Classification: B44F,D03D,D04B,D06M,D06N,D06P,D10B,Y10T

Abstract:
1. A screen having one-way viewing properties when both sides are exposed to approximately the same intensity of light comprising: a knit or woven fabric having light transmission of about 3 to about 15% in the 400-700 nm spectrum and having first and second fabric sides, the first fabric side including a reflective material containing coating and having an overall light reflectance to light transmission ratio of ≧5, and the second fabric side including a dark colored dye or a dark colored pigment and having an overall light reflectance to light transmission ratio of ≦1.5, wherein the fabric includes a plurality of openings, said openings being ≦0.2 mm 2 in size, wherein the second fabric side has a light absorption of greater than about 80%.