Organic Light-Emitting Materials and Devices, 2nd Edition

4

Phosphorescent Polymer Light-Emitting Diodes

Xu Han, Dmitrii F. Perepichka, Hong Meng, and Mang-Mang Ling

CONTENTS

4.1    Introduction

4.2    Photophysical Aspects of Electrophosphorescence

4.2.1    Singlet–Triplet Excitons Ratio

4.2.2    Exciton Transfer Processes

4.3    Nonconjugated Polymers as Host Materials

4.3.1    Poly(9-Vinylcarbazole)s

4.3.2    Other Types of Nonconjugated Polymers

4.4    Conjugated Polymers as Host Materials

4.4.1    Polyfluorenes

4.4.2    Poly(p-Phenylenes)

4.4.3    Polycarbazoles

4.4.4    Polythiophenes

4.5    Metallorganic Electrophosphorescent Polymers

4.6    Electrophosphorescent Dendrimers

4.7    Conclusions and Remarks

References

4.1  Introduction

Light-emitting diodes (LEDs) based on luminescent small ...