Premium
Photoprogrammable Organic Light‐Emitting Diodes
Author(s) -
Zacharias Philipp,
Gather Malte C.,
Köhnen Anne,
Rehmann Nina,
Meerholz Klaus
Publication year - 2009
Publication title -
angewandte chemie international edition
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 5.831
H-Index - 550
eISSN - 1521-3773
pISSN - 1433-7851
DOI - 10.1002/anie.200805969
Subject(s) - oled , optoelectronics , materials science , diode , nanotechnology , layer (electronics)
Enlightening the memory : The integration of a crosslinkable photochromic dithienylperfluorocyclopentene (DTE) into organic light‐emitting diodes (OLED) allows for the individualization of the emissive area of the OLED device, for example, for signage applications. The operation principle is based on switching the injection barrier for holes (positive charge carriers). Very large ON/OFF ratios of up to 3000 for current as well as electroluminescence have been achieved.