Polar semiconductor hole transporting material
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United States of America Patent
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Oct 29, 2013
Grant Date -
Aug 30, 2012
app pub date -
Apr 30, 2012
filing date -
Oct 11, 2004
priority date (Note) -
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Abstract
A semiconductive hole transport material containing polar substituent groups, the polar substituent groups substantially not affecting the electronic properties of the hole transport material and the hole transport material being soluble in a polar solvent.
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