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P‐155: Operational Stability Enhancement of White OLEDs with Single Solution‐Processed Emitting Layer Fabricated by “Self‐layered Technique”
Author(s) -
Aratani Sukekazu,
Sakuma Hirotaka,
Harada Motoko,
Wakana Hironori,
Nobuki ShunIchiro,
Kawasaki Masahiro
Publication year - 2014
Publication title -
sid symposium digest of technical papers
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.351
H-Index - 44
eISSN - 2168-0159
pISSN - 0097-966X
DOI - 10.1002/j.2168-0159.2014.tb00416.x
Subject(s) - luminance , oled , materials science , dopant , layer (electronics) , optoelectronics , diffusion , diode , doping , nanotechnology , optics , physics , thermodynamics
We achieved operationally stable white OLEDs with an EML fabricated using a self‐layered technique. LT50 of more than 10khr at an initial luminance of 1000cd/m 2 was obtained by 1) suppressing exciplex formation between EML and ETL, 2) preventing Li diffusion into EMLs, and 3)applying dopants with shallow LUMO level and stable host materials.