Patent · US Active

Method for producing light guide bodies and use thereof in lighting unit

US9442237B2 · kind B2 · utility

0Cited by

11References

10Claims

0Family size

Assignee

Evonik Röhm GmbH · DE

Inventors

Markus Parusel · Messel, DE
Guenther Dickhaut · Mannheim, DE
Thomas Pfaff · Ithaca, US
Helmut Haering · Reinheim, DE
Michael Enders · Innsbruck, AT

Key dates

Filing date	Nov 11, 2011
Grant date	Sep 13, 2016
Priority date	—
Expiry date	Dec 25, 2032

Classification

Technology area (CPC G)Physics
CPC primaryG02B6/0036
WIPO fieldOther special machines
WIPO sectorMechanical engineering

Abstract

The present invention relates to a method for producing light guide bodies and to their use in lighting units, for example for liquid crystal displays or for monitors.In particular, the present invention relates to a method for producing light guide bodies which have a thickness of at most 1 mm and contain at least 80 wt % of polymethyl methacrylate and no light-scattering constituents.

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