Open AccessInfluence of the functional layer thickness on the light output property of tandem organic light emitting diode：a numerical study
Author(s) -
Feiping Lu,
Jianfeng Li,
Shuhui Sun
Publication year - 2013
Publication title -
wuli xuebao
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.199
H-Index - 47
ISSN - 1000-3290
DOI - 10.7498/aps.62.247201
Subject(s) - oled , molybdenum trioxide , materials science , tandem , optoelectronics , diode , layer (electronics) , benzidine , optics , molybdenum , nanotechnology , chemistry , physics , composite material , biochemistry , metallurgy
Based on the principle of thin film optics, the theory of electric dipole radiation, and the principle of Fabry-Prot microcavity, an optical model is built for the tandem organic light emitting diode (OLED) with the structure of Glass/ITO/N, N0-bis(naphthalen-1-yl)-N, N0-bis (phenyl)-benzidine(NPB)/tris(8-hydroxyquinoli-ne) aluminum (Alq3)/molybdenum trioxide (MoO3)/NPB/Alq3/LiF/Al. The influence of the functional layer thickness on the light output intensity of device is systematically studied, the laws of light output intensity for tandem OLEDs under different thickness values of functional layer are obtained. This model and the results obtained in this paper can present an in-depth understanding of the working mechanism of tandem OLED and help ones fabricate high efficiency OLED.