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17.3: Study of Light Emission Mechanism and Long Lifetime in Phosphorescent Organic Light Emitting Diodes Using Graded Doping Structure
Author(s) -
Lee Jun Yeob
Publication year - 2006
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 - 10.1889/1.2433167
Subject(s) - phosphorescence , phosphorescent organic light emitting diode , doping , optoelectronics , materials science , oled , diode , light emission , light emitting diode , charge (physics) , charge carrier , layer (electronics) , optics , nanotechnology , physics , fluorescence , quantum mechanics
Abstract In this paper, we describe the light emission mechanism of phosphorescent organic light‐emitting diodes(PHOLED) using graded doping structure and multilayer emitting structure to get high efficiency and long lifetime by charge confinement in the emission layer. The efficiency and lifetime of the PHOLEDs could be improved by graded doping structure and charge confinement structure.