Multilayer-doped organic light emitting diode structure

US8269230B2 · kind B2 · utility

Assignee

• National Yunlin University of Science and Technology · TW

Inventors

• Jian Lin · San Diego, US
• Pei-Wei Hung · Yuanchang, TW

Key dates

• Filing date: Dec 16, 2010
• Grant date: Sep 18, 2012
• Expiry date: Jan 11, 2031

Classification

• Technology area (CPC H): Electricity
• CPC primary: H10K50/125

Abstract

A multilayer-doped OLED structure comprises a substrate, an anode layer, a hole transport layer, a multilayer-doped organic light emitting layer, an electron transport layer, an electron injection layer and a metallic cathode layer. The multilayer-doped organic light emitting layer functions as a lighting source. The multilayer-doped organic light emitting layer is fabricated by a plurality of film deposition and doping processes. Thereby, the multilayer-doped organic light emitting layer has better quantum effect to improve luminous efficiency and illumination of OLED.