Patent · US Active

Diffuse multilayer optical assembly

US7924368B2 · kind B2 · utility

13Cited by

59References

13Claims

0Family size

Assignee

3M INNOVATIVE PROPERTIES COMPANY · US

Inventors

Ryan T. Fabick · Windom, US
Stephen J. Etzkorn · Woodbury, US
Mark D. Gehlsen · Eagan, US

Key dates

Filing date	Dec 8, 2005
Grant date	Apr 12, 2011
Priority date	—
Expiry date	Oct 11, 2026

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC09K2323/00
WIPO fieldOptics
WIPO sectorInstruments

Abstract

An optical assembly includes a light diffusing layer attached to a reflective polarizing layer. An intermediate region between the light diffusing layer and the reflective polarizing layer includes an intermediate structure that defines voids between the light diffusing layer and the reflective polarizing layer.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.