Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Kenichi Goushi0
Chihaya Adachi0
Kou Yoshida0
Date of Patent
October 10, 2017
0Patent Application Number
132203190
Date Filed
August 29, 2011
0Patent Citations Received
Patent Primary Examiner
Patent abstract
A delayed fluorescence material containing a mixture of an acceptor compound and a donor compound that satisfies the following formulae (1) to (4):T1A−S1>0.2 eV (1)T1D−S1≧0.2 eV (2)|LUMOA|>2.0 eV (3)|HOMOD|≦5.3 eV (4)wherein T1A represents the excited triplet energy of the acceptor compound; T1D represents the excited triplet energy defined of the donor compound; S1 represents the excited singlet energy of the exciplex; LUMOA represents the energy level of LUMO of the acceptor compound; and HOMOD represents the energy level of HOMO of the donor compound.
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