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Polarized Electroluminescence from Rubbing‐Aligned Poly( p ‐phenylenevinylene)
Author(s) -
Jandke M.,
Strohriegl P.,
Gmeiner J.,
Brütting W.,
Schwoerer M.
Publication year - 1999
Publication title -
advanced materials
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 10.707
H-Index - 527
eISSN - 1521-4095
pISSN - 0935-9648
DOI - 10.1002/(sici)1521-4095(199912)11:18<1518::aid-adma1518>3.0.co;2-t
Subject(s) - rubbing , materials science , electroluminescence , dichroic glass , oled , optoelectronics , layer (electronics) , liquid crystal , diode , light emitting diode , scanning electron microscope , optics , composite material , physics
Organic light‐emitting diodes (OLEDs) that emit polarized light are useful for liquid crystal display applications. Here rubbing alignment of a segmented precursor poly( p ‐phenylenevinylene) (PPV) is used for the preparation of two‐layer LEDs that show high dichroic ratios of linearly polarized electroluminescence. The Figure is a scanning electron micrograph of the rubbed PPV layer.