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52.3: Understanding Extrinsic Degradation in Phosphorescent OLEDs
Author(s) -
Yamamoto Hitoshi,
Weaver Michael S.,
Murata Hideyuki,
Adachi Chihaya,
Brown Julie J.
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.tb00199.x
Subject(s) - phosphorescence , oled , degradation (telecommunications) , materials science , impurity , optoelectronics , phosphorescent organic light emitting diode , photochemistry , chemistry , nanotechnology , computer science , optics , physics , fluorescence , telecommunications , organic chemistry , layer (electronics)
We quantified water as an impurity in OLEDs and investigated how the water level impacts initial lifetime decay. We also demonstrated a two to three fold increase in lifetime for blue and green phosphorescent OLEDs by reducing the amount of water in the devices.