Patent · US Active

Color converters

US9711665B2 · kind B2 · utility

7Cited by

2References

9Claims

0Family size

Assignee

BASF SE

Inventors

Gerhard Wagenblast · Wachenheim, DE
Martin Koenemann · Ludwigshafen, DE
Sorin Ivanovici · Ludwigshafen, DE
Gerardus De Keyzer · Riehen, CH
Robert Send · Karlsruhe, DE

Key dates

Filing date	May 9, 2012
Grant date	Jul 18, 2017
Priority date	—
Expiry date	Jan 7, 2034

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T428/31935
WIPO fieldElectrical machinery, apparatus, energy
WIPO sectorElectrical engineering

Abstract

A color converter comprising at least one layer comprising at least one organic fluorescent colorant and at least one barrier layer having a low permeability to oxygen.

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