Recent development of polyfluorene-based RGB materials for light emitting diodes

Hole transport in polyfluorene-based sandwich-type devices: Quantitative analysis of the role of energetic disorder

“…PF-based polymers are a promising candidate for application in blue polymer LEDs and are a widely studied class of polymers. 11,14,30,31 The materials studied in this paper have been used in the 13Љ full-color OLED-TV display demonstrated by Philips in 2005. 32 Also, blue-emitting organic materials are key as a matrix material in most common white OLEDs.…”

Germafluorene conjugated copolymer—synthesis and applications in blue-light-emitting diodes and host materials

“…The synthesis of pure and well-defined polyphenylenevinylenes, polyfluorenes (PFs), polythiophenes, polycarbazoles, polysiloles, and other aromatic polymers [2] has led to significant improvements in the performance of these polymeric devices and to better understanding of their structure-property relationships. The very recently reported polysilafluorenes have emerged as a new class of silicon-containing light emitting conjugated polymers with the optoelectronic properties of PFs and the d-orbital participation of silicon atom, and have functioned as blue [3,4] and violet [5] light-emitting materials with high thermal stability, as host materials [6,7] with the triplet state energy of 2.55 eV.…”

The Built‐In Potential in Blue Polyfluorene‐Based Light‐Emitting Diodes

“…1) have emerged as the leading candidates for blue-emitting diodes. [4] However, in many of these homopolymers the injection and/or transport of one type of charge carriers is favored over the other, often leading to relatively low electroluminescence (EL) efficiency and brightness. An effective and general approach for improving the charge imbalance is to blend the emissive material with hole-transport and/or electron-transport polymers.…”