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1. (WO2017151423) FLAT PANEL ILLUMINATOR WITH CONCENTRATOR

Pub. No.:    WO/2017/151423    International Application No.:    PCT/US2017/019299
Publication Date: Sat Sep 09 01:59:59 CEST 2017 International Filing Date: Sat Feb 25 00:59:59 CET 2017
IPC: G02F 1/1335
F21V 8/00
Applicants: MICROSOFT TECHNOLOGY LICENSING, LLC
Inventors: EMERTON, Neil
GHIONI, Lincoln
Title: FLAT PANEL ILLUMINATOR WITH CONCENTRATOR
Abstract:
Examples are disclosed that relate to the coupling of light into a light guide for a backlight system. One disclosed example provides a flat-panel illuminator comprising a concentrating reflector, a light guide, and one or more light emitters. The concentrating reflector includes a curved reflective portion. The light guide includes a planar face and an input edge positioned adjacent the concentrating reflector, and the one or more light emitters are arranged within the concentrating reflector and spaced from the input edge of the light guide.