Compounds for electronic devices
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United States of America Patent
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May 17, 2016
Grant Date -
Jan 17, 2013
app pub date -
Feb 28, 2011
filing date -
Mar 26, 2010
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Abstract
The present invention relates to compounds having a spirobifluorene skeleton of the formula (I) for use as functional materials in electronic devices, in particular for use in the charge-transport layer and/or emission layer of organic electroluminescent devices. The invention furthermore relates to a process for the preparation of the compounds according to the invention and to mixtures comprising the compounds according to the invention. The invention furthermore relates to the use of the compounds of the formula (I) in electronic devices and to electronic devices comprising the compounds of the formula (I).
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