Organic electroluminescent device
AssigneeIdemitsu Kosan Co., Ltd.
InventorsChishio Hosokawa, Masakazu Funahashi, Hisayuki Kawamura, Hiromasa Arai, Hidetoshi Koga, Hidetsugu Ikeda
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AssigneeIdemitsu Kosan Co., Ltd.
InventorsChishio Hosokawa, Masakazu Funahashi, Hisayuki Kawamura, Hiromasa Arai, Hidetoshi Koga, Hidetsugu Ikeda
Estimating the term…
Materials for organic electroluminescence devices are represented by following general formula [1]: wherein B represents a substituted or unsubstituted arylene group having 6 to 60 carbon atoms, X1 to X4 each independently represent a substituted or unsubstituted arylene group having 6 to 30 carbon atoms, X1 and X2 may be bonded to each other, X3 and X4 may be bonded to each other, Y1 to Y4 each independently represent an organic group represented by general formula [2], a to d each represent an integer of 0 to 2 and, when the arylene group represented by B has 26 or less carbon atoms, a+b+c+d>0 and at least one of the groups represented by B, X1, X2, X3 and X4 has a chrysene nucleus; general formula [2] being:
A material for an organic electroluminescence device represented by following general formula (5):
A material for an organic electroluminescence device represented by following general formula (6):
Dependencies are inferred from the claim text.