Tandem white OLED

US8637858B2 · kind B2 · utility

Assignee

• Novaled GmbH · DE

Inventors

• Qiang Huang · Austin, US
• Ulrich Denker · Dresden, DE
• Gufeng He · Dresden, DE

Key dates

• Filing date: Sep 22, 2011
• Grant date: Jan 28, 2014
• Expiry date: Sep 22, 2031

Classification

• Technology area (CPC H): Electricity
• CPC primary: H10K2101/27

Abstract

Organic electroluminescent devices and components containing the organic electroluminescent devices are provided herein. The organic electroluminescent devices include a substrate, a first light emitting unit, a second light emitting unit, a first electrode, and a second electrode. The light emitting units are positioned between the first and second electrode. The light emitting units have light emitting regions containing various emitter materials.