Organic electroluminescent element, compound, and light emitting device, display device and lighting system, using said element
AssigneeUDC Ireland Limited
InventorsToshihiro Ise, Saki Takada
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Abstract
An organic electroluminescent element including a substrate, a pair of electrodes including an anode and a cathode, disposed on the substrate, and at least one organic layer including a light emitting layer, disposed between the electrodes, in which at least one kind of compound represented by the following general formula is contained in any layer of the at least one organic layer, is an organic electroluminescent element, in which the generation of dark spots during driving is inhibited:
Claims17
An organic electroluminescent element comprising:
- a substrate;
- a pair of electrodes including an anode and a cathode, disposed on the substrate;
- and
- at least one organic layer including a light emitting layer, disposed between the electrodes,
- wherein the at least organic layer contains at least one compound represented by general formula (I);
- wherein:
- Q represents an aromatic fused hydrocarbon ring having 10 to 30 carbon atoms or an aromatic fused heterocycle having 8 to 30 carbon atoms;
- Ar's each independently represents an arylene group having 6 to 30 carbon atoms or a heteroarylene group having 3 to 30 carbon atoms;
- each L independently represents CR12R13, NR14, SiR15R16, an O atom, or an S atom;
- R12, R13, R14, R15 and R16 each independently represent a substituent;
- and n represents an integer of 3 to 5;
- wherein at least one of the following conditions (i) and (ii) are true:
- (i) at least one L represents NR14, SiR15R16, O, or S;
- wherein R14, R15 and R16 each independently represents a fluorine atom, an alkyl group, an aryl group, or a heteroaryl group;
- and
- (ii) at least one ring comprising L is a six-membered ring.
A compound represented by the following general formula (I);
- wherein:
- Q represents an aromatic fused hydrocarbon ring having 10 to 30 carbon atoms or an aromatic fused heterocycle having 8 to 30 carbon atoms;
- Ar's each independently represents an arylene group having 6 to 30 carbon atoms or a heteroarylene group having 3 to 30 carbon atoms;
- each L independently represents CR12R13, NR14, SiR15R16, an O atom, or an S atom;
- R12, R13, R14, R15 and R16 each independently represent a substituent;
- and n represents an integer of 3 to 5;
- wherein
- at least one ring comprising L is a six-membered ring.
A compound selected from the group consisting of:
Dependencies are inferred from the claim text.