Efficient organic blue fluorescent light-emitting devices with improved carriers' balance on emitter molecules by constructing supplementary light-emitting layer

X Zhao, L Zhou, Y Jiang, R Cui, Y Li, H Zhang - Dyes and Pigments, 2016 - Elsevier
In this work, we demonstrated an efficient device design strategy in improving the
electroluminescent performances of blue fluorescent emitter 4, 4′-bis (2, 2-diphenylvinyl)-1 …

Iridium (III) bis-tridentate complexes with 6-(5-trifluoromethylpyrazol-3-yl)-2, 2′-bipyridine chelating ligands: synthesis, characterization, and photophysical properties

JL Chen, YH Wu, LH He, HR Wen, J Liao… - Organometallics, 2010 - ACS Publications
A novel family of iridium (III) bis-tridentate complexes are reported that contain the
deprotonated, N∧ N∧ N-coordinated 6-(5-trifluoromethylpyrazol-3-yl)-2, 2′-bipyridine …

Syntheses, Photophysics, and Application of Iridium (III) Phosphorescent Emitters for Highly Efficient, Long‐Life Organic Light‐Emitting Diodes

TC Lee, CF Chang, YC Chiu, Y Chi… - Chemistry–An Asian …, 2009 - Wiley Online Library
Long live the OLED! Rational design and synthesis of IrIII complexes bearing two
cyclometalated ligands (CN) and one 2‐(diphenylphosphino) phenolate chelate (PO) as …

High-Efficiency Electrophosphorescence Red Organic Light-Emitting Diodes Using a Thin 1, 3-Bis [2-(2, 2'-bipyridin-6-yl)-1, 3, 4-oxadiazol-5-yl] benzene Cleaving …

CH Chen, KR Wang, YH Tsai, SF Yen… - Japanese Journal of …, 2011 - iopscience.iop.org
The authors demonstrate a considerable increase in the current efficiency of Ir (piq) 2 (acac)-
doped phosphorescent red organic light-emitting diodes (OLEDs) in which a thin 1, 3-bis [2 …

Codoped spacer ratio effect of hybrid white organic light-emitting diodes

JH Seo, JS Park, SJ Lee, BM Seo, KH Lee, JK Park… - Current Applied …, 2011 - Elsevier
The authors have demonstrated hybrid white organic light-emitting diodes (HWOLEDs) on
electroluminescent characteristics for codoped spacer ratio effect using N, N′-dicarbazolyl …

A single-heterojunction electrophosphorescence device with high efficiency, long lifetime and suppressive roll-off

Y Li, Y Hao, Z Yan, H Liu, H Wang, B Xu - Synthetic metals, 2013 - Elsevier
We have demonstrated an electrophosphorescence organic light emitting device (PHOLED)
with single-heterojunction to realize simultaneously high efficiency/long lifetime/suppressive …

Efficient blue-green and green electroluminescent devices obtained by doping iridium complexes into hole-block material as supplementary light-emitting layer

L Zhou, Y Zheng, R Deng, J Feng, M Song, Z Hao… - Journal of …, 2014 - Elsevier
In this work, organic electroluminescent (EL) devices with dominant and supplementary light-
emitting layers (EMLs) were designed to further improve the EL performances of two iridium …

Enhancement of charge carrier recombination efficiency by utilizing a hole-blocking interlayer in white OLEDs

Q Wang, J Yu, J Zhao, M Li, Z Lu - Journal of Physics D: Applied …, 2013 - iopscience.iop.org
Charge carrier balance and recombination are essential factors relating to the performance
of white organic light-emitting devices (WOLEDs). In this study, we discussed the …

A very high efficiency electrophosphorescent device doped with short triplet lifetime phosphor using multi-recombination zones

D Yang, L Han, W Li, B Chu, Z Su… - Journal of Physics D …, 2010 - iopscience.iop.org
We have demonstrated a high-efficiency electrophosphorescent device doped with bis (2-
phenyl-benzoimidazole) iridium (III) acetylacetonate with a triplet lifetime in the range of …

The effect of the quantum well structure in green phosphorescent oled with a mixed host emission interlayer

ZQ Kou, Y Xu, S Cheng, XP Wang - Journal of Display Technology, 2016 - opg.optica.org
In order to improve the performance of green phosphorescent organic light-emitting diodes,
we investigate multiple quantum well (MQW) structure (:) devices with mixed host emission …