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1. (WO2017040212) LIGHTGUIDES WITH PIXELATED IMAGE

Pub. No.:    WO/2017/040212    International Application No.:    PCT/US2016/048733
Publication Date: Fri Mar 10 00:59:59 CET 2017 International Filing Date: Fri Aug 26 01:59:59 CEST 2016
IPC: F21V 8/00
Applicants: 3M INNOVATIVE PROPERTIES COMPANY
Inventors: LIU, Tao
HEDDING, Brent A.
MERCORD, David C.
OSTLIE, Brian W.
ENDER, David A.
Title: LIGHTGUIDES WITH PIXELATED IMAGE
Abstract:
Lightguides including pixelated images, and methods of making the lightguides are provided. The lightguides include an image formed on a major side which is illuminated for directly viewing. The image includes an elongated portion being pixelated into an array of pixels. Each of the pixels includes a single light extracting structure adapted to receive the propagating light within the lightguide along the optical axis and extract the received light transversely out of the lightguide.