Organic light emitting devices

US6552364B2 · kind B2 · utility

Assignee

• International Business Machines Corporation · US

Inventors

• Armin Beck · Altstätten, CH
• Tilman Beierlein · Adliswil, CH
• Peter Mueller · Zürich, CH
• Heike E. Riel · Thalwil, CH
• Walter Riess · Thalwil, CH

Key dates

• Filing date: Jun 22, 2001
• Grant date: Apr 22, 2003
• Expiry date: Jun 22, 2021

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10S257/918

Abstract

An organic light emitting device has a layer structure having: a first electrode layer; a second electrode layer parallel to the first electrode layer; and, an electrically conductive and light transmissive layer parallel to the second electrode layer. An electrically insulating layer is disposed between the first and second electrode layers. A layer of organic material is disposed between the second electrode layer and the conductive layer. An aperture in the organic layer provides an electrical connection path between the conductive layer and one of the first and second electrode layers.