The present invention provides an optical sheet having a plurality of light guide plate patterns, each light guide plate pattern having a micro-patterned output surface for emitting light, and a micro-patterned bottom surface opposing to the output surface. The optical sheet is made in steps comprising extruding a first resin into the nip between a pressure roller and a patterned roller to form an extruded layer at a patterned roller surface temperature T1 and a nip pressure P1, the layer having an unpatterned surface and a patterned surface, the patterned surface having a pattern transferred from the patterned roller; and printing a discrete pattern on the unpatterned surface of the extruded layer to form the optical sheet comprising the plurality of light guide plate patterns.