Polarized emission from liquid crystal polymers

Liquid crystalline conjugated polymers have potential applications as inexpensive, easy to process polarized back lights for liquid crystal displays. Three ‘Hairy rod’ type conjugated polymers, namely Poly(9,9-dioctylfluorene) [PFO] and two alternating co-polymers with benzothiadiazole and dithiophe...

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Bibliographic Details
Published inSynthetic metals Vol. 111; pp. 181 - 185
Main Authors Whitehead, K.S, Grell, M, Bradley, D.D.C, Inbasekaran, M, Woo, E.P
Format Journal Article
LanguageEnglish
Published Elsevier B.V 01.06.2000
Subjects
Aligned polymer
Hole transporting alignment layer
Polarized emission
Hole transporting alignment layer
Aligned polymer
Polarized emission
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Summary:Liquid crystalline conjugated polymers have potential applications as inexpensive, easy to process polarized back lights for liquid crystal displays. Three ‘Hairy rod’ type conjugated polymers, namely Poly(9,9-dioctylfluorene) [PFO] and two alternating co-polymers with benzothiadiazole and dithiophene moieties in the mainchain, have been investigated. In this paper, we present polarized absorption and photoluminescence for films aligned on rubbed polyimide [PI] alignment layers. We also report electroluminescence measurements for oriented multilayer devices with rubbed hole transporting alignment layers [HTAL]. Sample preparation, device fabrication and characterisation are discussed and a preview of future work is given.
ISSN:0379-6779
1879-3290
DOI:10.1016/S0379-6779(99)00342-2