Origin and control of orientation of phosphorescent and TADF dyes for high‐efficiency OLEDs

KH Kim, JJ Kim - Advanced Materials, 2018 - Wiley Online Library
It has been known for decades that the emitting dipole orientation (EDO) of emitting dyes
influences the outcoupling efficiency of organic light‐emitting diodes (OLEDs). However, the …

Emitter orientation as a key parameter in organic light-emitting diodes

TD Schmidt, T Lampe, D Sylvinson MR, PI Djurovich… - Physical Review …, 2017 - APS
The distinct preferential alignment, ie, horizontal orientation with respect to the substrate
plane, of the optical transition dipole moment vectors (TDMVs) of organic dye molecules is of …

Recent advances in light outcoupling from white organic light-emitting diodes

MC Gather, S Reineke - Journal of Photonics for Energy, 2015 - spiedigitallibrary.org
Organic light-emitting diodes (OLEDs) have been successfully introduced to the smartphone
display market and have geared up to become contenders for applications in general …

Highly efficient polaritonic light-emitting diodes with angle-independent narrowband emission

A Mischok, S Hillebrandt, S Kwon, MC Gather - Nature Photonics, 2023 - nature.com
Angle-independent narrowband emission is required for many optoelectronic devices,
ranging from high-definition displays to sensors. However, emerging materials for …

Rational Ligand Design of Heteroleptic Iridium (III) Complexes toward Nearly Perfect Horizontal Dipole Orientation for Highly Efficient Red‐Emitting Phosphorescent …

S Kim, JM Kim, J Choi, M Sim… - Advanced Functional …, 2023 - Wiley Online Library
The horizontal orientation of the transition dipole moment of the phosphorescent emitters is
understood to be an important factor to enhance the external quantum efficiency (EQE) of …

Chiral iridium (III) complexes with four-membered Ir–S–P–S chelating rings for high-performance circularly polarized OLEDs

ZP Yan, K Liao, HB Han, J Su, YX Zheng… - Chemical …, 2019 - pubs.rsc.org
Two series of chiral cyclometalated iridium (III) complexes based on sulfur atom containing
enantiopure BINOL derivatives were rapidly synthesized, which are endowed with varied …

Correlating the transition dipole moment orientation of phosphorescent emitter molecules in OLEDs with basic material properties

A Graf, P Liehm, C Murawski, S Hofmann… - Journal of Materials …, 2014 - pubs.rsc.org
The orientation of the emissive dipole moment of seven iridium-based phosphorescent
emitter molecules commonly used in organic light-emitting diodes (OLEDs) is investigated …

High‐Performance Organic Electroluminescence: Design from Organic Light‐Emitting Materials to Devices

P Tao, Y Miao, H Wang, B Xu, Q Zhao - The Chemical Record, 2019 - Wiley Online Library
Organic electroluminescence is considered as the most competitive alternative for the future
solid‐state displays and lighting techniques owing to many advantages such as self …

Exceedingly Stable Luminescent Dinuclear Pt(II) Complexes with Ditopic Formamidinate Bridging Ligands for High‐Performance Red and Deep‐Red OLEDs with LT97 up to …

M Xue, TL Lam, G Cheng, W Liu… - Advanced Optical …, 2022 - Wiley Online Library
The utilization of triplet metal‐metal‐to‐ligand‐charge‐transfer (3MMLCT) emissions of Pt
(II) complexes having a large radiative decay rate is a promising strategy to develop efficient …

A facile route to efficient, low-cost flexible organic light-emitting diodes: utilizing the high refractive index and built-in scattering properties of industrial-grade PEN …

E Kim, H Cho, K Kim, TW Koh, J Chung… - … (Deerfield Beach, Fla …, 2015 - europepmc.org
An industrial-grade polyethylene naphthalate (PEN) substrate is explored as a simple, cost-
effective platform for high-efficiency organic light-emitting diodes (OLEDs). Its high refractive …