Efficient p-i-n top-emitting flexible organic light emitting diodes on planarized stainless steel foil

Chin H. Chen, Shang Yu Su, Meng Huan Ho, Pei Yi Kao, Chang Yen Wu, Yi Hao Peng, Kuan Hung Lin, Huang-Ming Chen

Research output: Contribution to journalConference articlepeer-review

Abstract

A high-efficiency p-i-n top-emitting flexible organic light emitting diode (TFOLED) employing highly reflective Ag as anode and semitransparent Ca/Ag as cathode was fabricated on SS substrate which was insulated and planarized with a specially formulated photoresist coating. By incorporating p-dopant (WO3) and a new n-dopant (PAK2) in hole and electron transparent layers, respectively, along with an optimized microcavity structure, a green fluorescent C545T doped Alq3 TOLED on SS substrate achieved one of the highest efficiencies of 26.7 cd/A and 19.8 lm/W at 20 mA/cm2 reported for flexible OLEDs..

Original languageEnglish
Pages (from-to)1524-1527
Number of pages4
JournalDigest of Technical Papers - SID International Symposium
Volume40
Issue number1
DOIs
StatePublished - 1 Jan 2009
Event2009 Vehicles and Photons Symposium - Dearborn, MI, United States
Duration: 15 Oct 200916 Oct 2009

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