Structure for high efficiency electroluminescent device

US6097147A · kind A · utility

Assignee

• THE TRUSTEES OF PRINCETON UNIVERSITY · US

Inventors

• Marc A. Baldo · Princeton, US
• Diarmuid O'Brien · Princeton, US
• Stephen R. Forrest · Ann Arbor, US

Key dates

• Filing date: Sep 14, 1998
• Grant date: Aug 1, 2000
• Expiry date: Sep 14, 2018

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10S428/917

Abstract

A light emitting device including a pixel having a substantially transparent anode; a hole transporting layer over the anode; an emission layer over the hole transporting layer; a blocking layer over the emission layer; an electron transporting layer over the blocking layer; and a cathode in electrical contact with the electron transporting layer.