Polarized electroluminescence from photocrosslinkable nematic fluorene bisacrylates

M. Jandke, D. Hanft, P. Strohriegl, K. Whitehead, M. Grell, D. D.C. Bradley

Research output: Contribution to journalArticlepeer-review

39 Scopus citations

Abstract

In this paper the monodomain-alignment of new photocrosslinkable fluorene bisacrylate model compounds and oligomers is reported. The orientation of the nematic LC-phase is preserved by photopolymerization in an oriented LC-network. Monodomain orientations of crosslinked fluorene bisacrylates are investigated by UV-VIS and photoluminescence spectroscopy comparing different alignment layers. OLEDs were fabricated using oriented fluorene bisacrylates and polyfluorenes leading to state-of-the-art polarization ratios for electroluminescence of up to 25 and brightnesses of about 250 Cd/m2.
Original languageEnglish (US)
JournalProceedings of SPIE - The International Society for Optical Engineering
Volume4105
DOIs
StatePublished - Jan 1 2001
Externally publishedYes

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