Oblon, McClelland, Maier & Neustadt, L.L.P.
Compound, organic electroluminescent element and electronic device
An organic electroluminescence device includes an anode, an emitting layer and a cathode, in which the emitting layer includes a first compound and a second compound. The first compound is a delayed-fluorescent compound represented by a formula (1) below. The second compound includes at least one of a partial structure represented by a formula (21) below and a partial structure represented by a formula (22) below in one molecule.
IDEMITSU KOSAN CO., LTD.
C C H C H C C H C C H C H C
C09K C09K H01L C09K H01L C09K C07D H01L C09K C09K H01L C09K H01L C09K
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Satomi Kei Toshinari
Tasaki Yoshida Ogiwara