Methodology for optimizing viewing characteristics of top-emitting organic light-emitting devices | Zendy

ChungChih Wu | Zendy; ChunLiang Lin | Zendy; PingYuan Hsieh | Zendy; Huo-Hsien Chiang | Zendy

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Methodology for optimizing viewing characteristics of top-emitting organic light-emitting devices

Author(s) -

ChungChih Wu,

ChunLiang Lin,

PingYuan Hsieh,

Huo-Hsien Chiang

Publication year - 2004

Publication title -

applied physics letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.182

H-Index - 442

eISSN - 1077-3118

pISSN - 0003-6951

DOI - 10.1063/1.1745107

Subject(s) - oled , optoelectronics , materials science , active matrix , computer science , nanotechnology , layer (electronics) , thin film transistor

Top-emitting organic light-emitting devices (OLEDs) have a few technical merits for active-matrix OLED displays. Generally stronger microcavity effects inherent in top-emitting OLEDs, however, complicate optimization of device efficiency and other viewing characteristics. In this letter, using the rigorous classical electromagnetic model, we analyze emission characteristics of top-emitting OLEDs as a function of device structures. From the comprehensive analysis, trends in the dependence of emission characteristics on device structures are extracted, and accordingly, a general methodology for optimizing viewing characteristics of top-emitting OLEDs for display applications is suggested. The effectiveness of the analysis and the methodology is confirmed by experimental results.

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