| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a charge transport material that has high chemical stability and a high T<SB>1</SB>(minimum excitation triplet energy) and an organic EL element that uses the charge transport material and has a high efficiency, a low drive voltage, high drive durability and a low voltage rising rate during drive. <P>SOLUTION: The charge transport material, for example, a compound represented by the formula, has a specific structure in which an electron transport part and a hole-transport part are connected through a silicon atom. <P>COPYRIGHT: (C)2011,JPO&INPIT</p> |
