Patent ID: 8339542
Filing Date: 2012-12-25
Classification: G02F

Abstract:
1. An N-stack passive daylight-coupled display, comprising: one or more LCD panels collectively having a top side and a bottom side and one or more display surfaces between the top and bottom sides; a plurality of curved reflectors cascaded in a stack for providing backlighting to the LCD panels, wherein the stack includes a top reflector positioned opposite the top side of the one or more LCD panels; and a diffuser for transmitting daylight to the plurality of curved reflectors, the diffuser having a front edge and a back edge with a major surface of the diffuser extending between the front and back edges, wherein the front edge of the diffuser is positioned adjacent the top side of the one or more LCD panels and the back edge of the diffuser is positioned adjacent the top reflector, wherein the plurality of curved reflectors provide for substantially uniform distribution of the daylight on the one or more LCD panels, and wherein one or more of the plurality of curved reflectors comprise a reflective polarizer.