Patent ID: 8231257
Filing Date: 2012-07-31
Classification: G02B,Y10T

Abstract:
1. A privacy screen, comprising: a light source; a panel comprising a planar first surface and a planar second surface, the panel configured to be at least partially transparent and positioned relative to the light source to receive light from the light source on at least one edge of the panel, the panel further configured such that the received light enters the panel and propagates therein; and a plurality of light extraction dots disposed on the planar first surface, the plurality of light extraction dots is configured to extract light, propagating within the panel, uniformly across at least one of the planar first surface and the planar second surface, wherein at least one of the plurality of light extraction dots includes an inner layer disposed proximate to the first surface and an outer layer disposed at least partially on the inner layer, wherein the outer layer includes a first colored material that reflects ambient light of a first color and the inner layer includes a second colored material that reflects light, propagating within the panel, of a second color, and wherein the first color is different than the second color.