Light-emitting device
AssigneeFuji Photo Film Co., Ltd.
InventorsTatsuya Igarashi, Xuepeng Qiu
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Abstract
A light-emitting device comprising a pair of electrodes and one or more organic layers disposed therebetween, one or more organic layers comprising a light-emitting layer, wherein the light-emitting device utilizes a triplet exciton for light emission and comprises at least one compound represented by the following formula (1): wherein each of Ar11, Ar12, Ar13, Ar14 and Ar15 represents an aryl group or a heteroaryl group; Ar represents an aryl group; R1 represents a substituent; and n1 represents an integer of 0 or more.
Claims75
A light-emitting device comprising a pair of electrodes and one or more organic layers disposed between said electrodes, said one or more organic layers comprising a light-emitting layer, wherein said light-emitting device utilizes a triplet exciton for light emission and comprises at least one compound represented by the formula (1):
- wherein each of Ar11, Ar12, Ar13, Ar14 and Ar15 represents a pyridyl group, a pyrazinyl group, a pyrimidyl group, or a triazinyl group;
- Ar represents an aryl group;
- R1 represents a substituent;
- and n1 represents an integer of 0 or more.
A light-emitting device comprising a pair of electrodes and one or more organic layers disposed between said electrodes, said one or more organic layers comprising a light-emitting layer, wherein said light-emitting device utilizes a triplet exciton for light emission and comprises at least one compound represented by the formula (1):
- wherein each of Ar11, Ar12, Ar13, Ar14 and Ar15 represents an aryl group or a heteroaryl group and at least one of Ar11, Ar12, Ar13, Ar14 and Ar15 represents a heteroaryl group;
- Ar represents a phenyl group, a naphthyl group, a phenanthryl group or an anthryl group;
- R1 represents a substituent;
- and n1 represents an integer of 0 or more.
A light-emitting device comprising a pair of electrodes and one or more organic layers disposed between said electrodes, said one or more organic layers comprising a light-emitting layer, wherein said light-emitting device utilizes a triplet exciton for light emission and comprises at least one compound represented by the formula (1):
- wherein each of Ar11, Ar12, Ar13, Ar14 and Ar15 represents an aryl group or a heteroaryl group;
- Ar represents an aryl group;
- R1 represents a substituent;
- and n1 represents an integer of 0, 2, 3, 4 or 5.
A light-emitting device comprising a pair of electrodes and one or more organic layers disposed between said electrodes, said one or more organic layers comprising a light-emitting layer, wherein said light-emitting device utilizes a triplet exciton for light emission and comprises at least one compound represented by the formula (1):
- wherein each of Ar11, Ar12, Ar13, Ar14 and Ar15 represents an aryl group or a heteroaryl group and at least one of Ar11, Ar12, Ar13, Ar14 and Ar15 represents a naphthyl group, a phenanthryl group, an anthryl group, a perylenyl group, a chrysenyl group or a triphenylenyl group;
- Ar represents an aryl group;
- R1 represents a substituent;
- and n1 represents an integer of 0 or more.
A light-emitting device comprising a pair of electrodes and one or more organic layers disposed between said electrodes, said one or more organic layers comprising a light-emitting layer, wherein said light-emitting device utilizes a triplet exciton for light emission and comprises at least one compound represented by the formula (1):
- wherein each of Ar11, Ar12, Ar13, Ar14 and Ar15 represents an aryl group or a heteroaryl group;
- each of Ar11, Ar12, Ar13, Ar14 and Ar15 are unsubstituted or substituted by one or more groups, which is selected from the group consisting of alkyl group, alkenyl group, alkynyl group, aryl group, unsubstituted amino group, methylamino group, dimethylamino group, diethylamino group, dibenzylamino group, alkoxy group, aryloxy group, heteroaryloxy group, acyl group, alkoxycarbonyl group, aryloxycarbonyl group, acyloxy group, acylamino group, alkoxycarbonylamino group, aryloxycarbonylamino group, sulfonylamino group, sulfamoyl group, carbamoyl group, alkylthio group, arylthio group, heteroarylthio group, sulfonyl group, sulfinyl group, ureide group, phosphoric amide group, a nitro group, an imino group, heterocyclic group having an oxygen atom, heterocyclic group having a sulfur atom, imidazolyl group, a pyridyl group, a quinolyl group, a benzoxazolyl group, an azepinyl group and silyl group;
- Ar represents an aryl group;
- R1 represents a substituent;
- and n1 represents an integer of 0 or more.
A light-emitting device comprising a pair of electrodes and one or more organic layers disposed between said electrodes, said one or more organic layers comprising a light-emitting layer and said light-emitting layer comprising at least one phosphorescent material, said light-emitting device utilizes a triplet exciton for light emission and comprises at least one compound represented by the formula (1):
- wherein each of Ar11, Ar12, Ar13, Ar14 and Ar15 represents an aryl group or a heteroaryl group;
- Ar represents an aryl group;
- R1 represents a substituent;
- and n1 represents an integer of 0 or more, and further comprises at least one compound comprising a triazole unit, triazine unit or imidazole unit.
A light-emitting device comprising a pair of electrodes and one or more organic layers disposed between said electrodes, said one or more organic layers comprising a light-emitting layer, wherein said light-emitting device utilizes a triplet exciton for light emission and comprises at least one compound represented by the formula (1):
- wherein each of Ar11, Ar12, Ar13, Ar14 and Ar15 represents an aryl group or a heteroaryl group and at least one of Ar11, Ar12, Ar13, Ar14 and Ar15 represents a pyridyl group, a pyrazinyl group, a pyrimidyl group or a triazinyl group;
- Ar represents an aryl group;
- R1 represents a substituent;
- and n1 represents an integer of 0 or more.
Dependencies are inferred from the claim text.