Electroluminescent device with improved light decoupling

US8193694B2 · kind B2 · utility

Assignee

• KONINKLIJKE PHILIPS ELECTRONICS NV · NL

Inventors

• Hans-Helmut Bechtel · Roetgen, DE
• Dietrich Bertram · Aachen, DE
• Markus Klein · Glückstadt, DE
• Volker Weiler · Aachen, DE

Key dates

• Filing date: Mar 9, 2004
• Grant date: Jun 5, 2012
• Expiry date: Nov 14, 2027

Classification

• Technology area (CPC H): Electricity
• CPC primary: H10K2102/331
• WIPO field: Micro-structural and nano-technology
• WIPO sector: Chemistry

Abstract

An electroluminescent device includes a substrate and a sandwich consisting of a first electrode, an electroluminescent layer and a second electrode. To improve decoupling of light from the electro-luminescent device, a layer comprising conductive particles adjoins the first or second electrode.