Organic light‐emitting diodes (OLEDs) have attracted much attention in research and
industry thanks to their capability to emit light with high efficiency and to deliver high‐quality …

White organic light-emitting diodes (OLEDs) are ultrathin, large-area light sources made
from organic semiconductor materials. Over the past decades, much research has been …

Although organic light‐emitting devices have been commercialized as flat panel displays
since 1997, only singlet excitons were emitted. Full use of singlet and triplet excitons …

Achieving superior device efficiency and very small efficiency roll-off simultaneously for all
phosphorescent OLEDs (PHOLEDs) is still an open challenge. In this work, a universal …

Weaker triplet‐triplet annihilation (TTA) is observed in organic solid mixed systems
comprising the phosphorescent emitter Ir (ppy) 2 (acac), which has a smaller dipole moment …

This article describes the first systematic investigation of how the efficiency roll‐off in organic
light‐emitting diodes (OLEDs) is influenced by the position and orientation of the emitter …

In this work, we demonstrated the efficacy and feasibility of utilizing terbium and gadolinium
complexes with low-lying energy levels to sensitize red-emitting iridium complexes in …

High efficiency green emission is crucial to the designs of energy‐saving display and
lighting. Efficient electroluminescent green emitters with both wet‐and dry‐process feasibility …

An effective device design strategy was reported to realize high performance green organic
light-emitting diodes based on iridium complex by employing a trivalent terbium complex as …

New heteroleptic cyclometalated iridium (III) 2‐phenylpyridine‐type complexes with
trifluoromethyl substituents and various main‐group moieties were synthesized and their …