Controlling the electron and hole current is a crucial requirement in organic light-emitting
devices (OLEDs) as it has a significant impact on the charge balance factor and the location …

Host–dopant systems are the foundation for designing the light‐emission zones of organic
light‐emitting diodes (OLEDs). An efficient OLED design has to consider the detailed charge …

Electron injection and transport are key issues in organic light-emitting devices (OLEDs). In
this letter, we successfully demonstrated the electron injection property which is usually …

Balanced injection of positive and negative charge carriers is a key issue for the operation of
highly efficient organic light emitting devices at low operating voltage. In this article, we will …

Organic light-emitting diodes (OLEDs) having various guest molecules doped in an organic
host matrix layer are fabricated [the OLED structure is anode/hole-transporting layer …

A typical organic light-emitting diode is made of several functional organic semiconducting
layers including a hole transport layer (HTL), an emissive layer (EL) comprising host and …

Charge carrier transport in organic semiconductor devices is thermally activated with
characteristic activation energies in the range of 0.2–0.6 eV, leading to strongly temperature …

It is generally considered that the injection of charges into an active layer of an organic light-
emitting diode (OLED) is solely determined by the energetic injection barrier formed at the …

Charge balance is one of the most important factors for realizing high performance organic
light emitting devices (OLEDs). In this work, we provide a novel strategy to improve the …

Organic light-emitting diodes (OLEDs) have progressively attracted generous attention
because of their versatile applications in solid state lighting and full color displays. High …