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Triplet exciton confinement in white phosphorescent organic light-emitting diodes with multi-doped single emissive layer

Authors
Kim, J.W.Kim, N.H.Yoon, J.-A.You, S.I.Kang, J.S.He, G.Kim, Y.K.Kim, W.Y.
Issue Date
2014
Publisher
Blackwell Publishing Ltd
Keywords
hole transporting layer; NPB; single emissive layer; TAPC; TCTA; triplet excitons; white PHOLED
Citation
Digest of Technical Papers - SID International Symposium, v.45, no.1, pp.1577 - 1580
Journal Title
Digest of Technical Papers - SID International Symposium
Volume
45
Number
1
Start Page
1577
End Page
1580
URI
https://scholarworks.bwise.kr/hongik/handle/2020.sw.hongik/16444
DOI
10.1002/j.2168-0159.2014.tb00420.x
ISSN
0097-966X
Abstract
We fabricated white phosphorescent organic light-emitting diodes (PHOLEDs) with the primary color(Red, Green and Blue) in single emissive layer using NPB, TCTA and TAPC as hole transporting layer (HTL) having different triplet energy level to observe triplet exciton's behavior. White PHOLED with TAPC having higher triplet energy level shows 51cd/A of luminous efficiency, and CIE XY color coordinate of (0.35, 0.40) at 10V. © 2014 Society for Information Display.
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