Polymers with aromatic ϕ-conjugated moieties were utilized as electroluminescent materials. In order to meet the requirements for light-emitting diodes (LED), the design and synthesis of electroluminescent polymers had to be developed and viewed in this review. Focus is on polymers with arylene vinylene, arylene ethinylene, phenylene, thiophene and arylene amine moieties as light-emitting, hole-transporting and electron-transporting materials in LED devices. An attempt has been made to arrange a structural classification of electroluminescent polymers in nonsegmented and segmented polymers.
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Andreas Greiner (1998) studied this question.