Patent ID: 9013790
Filing Date: 2015-04-21
Classification: G03B

Abstract:
1. A projection screen, comprising: a transparent substrate having a front side and a backside; a dark film disposed across the front side of the transparent substrate; an array of holes disposed through the dark film; a diffusing layer disposed between the transparent substrate and the dark film; and an array of lenses disposed across the backside of the transparent substrate, wherein the array of lenses is aligned to focus display light incident through the array of lenses towards the array of holes and the diffusing layer diffuses the display light for emission out the array of holes as diffuse display light, wherein lenses in the array of lenses are each separated by a first separation pitch and holes in the array of holes are each separated by a second separation pitch, wherein the second separation pitch of the array of holes is larger than the first separation pitch of the array of lenses to accommodate the display light incident on the array of lenses that is divergent.