Organic electroluminescent device
View Patent ↗An organic electroluminescent device comprises: a pair of electrodes; and at least one organic layer comprising a light-emitting layer, said at least one organic layer being between the electrodes, wherein at least one of said at least one organic layer comprises at least one kind of compound represented by formula [1]: wherein Q 101 represents a linking group, the bond between the carbon atom bonded by R 107 and the carbon atom bonded by R 108 may be a single bond or a double bond (provided that when the bond between the carbon atom bonded by R 107 and the carbon atom bonded by R 108 is a double bond, R 106 and R 109 are not present), R 102 to R 105 each represents a substituent, R 106 to R 109 each represents a hydrogen atom or a substituent, R 107 and R 108 may combine to form a condensed ring, and n 101 represents an integer of 1 or more].
1. An organic electroluminescent device comprising:
a pair of electrodes; and
at least one organic layer comprising a light-emitting layer, said at least one organic layer being between the electrodes,
wherein at least one of said at least one organic layer comprises at least one kind of compound represented by formula [1]:
wherein Q 101 represents a linking group, the bond between the carbon atom bonded by R 107 and the carbon atom bonded by R 108 may be a single bond or a double bond (provided that when the bond between the carbon atom bonded by R 107 and the carbon atom bonded by R 108 is a double bond, R 106 and R 109 are not present), R 102 to R 105 each represents a substituent, R 106 to R 109 each represents a hydrogen atom or a substituent, R 107 and R 108 may combine to form a condensed ring, and n 101 represents an integer of 1 to 6.
2. The organic electroluminescent device as claimed in claim 1 ,
wherein the compound represented by formula [1] is a compound represented by formula [2]:
wherein Ar 201 represents an aryl linking group or a heteroaryl linking group, R 202 to R 205 each represents a substituent, Z 201 to Z 204 each represents a nitrogen atom or a substituted or unsubstituted (the “unsubstituted” is defined as being substituted by a hydrogen atom) carbon atom, and n 201 represents an integer of 1 to 6.
3. The organic electroluminescent device as claimed in claim 1 ,
wherein the compound represented by formula [1] is a compound represented by formula [3]:
wherein R 301 to R 306 each represents a substituent, n 301 represents an integer of 1 to 6, n 302 represents an integer of 0 to (6-n 301 ), n 303 , n 304 , n 305 and n 306 each represents an integer of 0 to 5, and n 307 represents an integer of 0 to 4.
4. The organic electroluminescent device as claimed in claim 1 ,
wherein the light-emitting layer comprises at least one kind of a phosphorescent material.
5. The organic electroluminescent device as claimed in claim 1 ,
wherein the light-emitting layer comprises the compound represented by formula [1].
6. The organic electroluminescent device as claimed in claim 1 , wherein at least one of one or more layers adjacent to the light-emitting layer comprises the compound represented by formula [1].
7. The organic electroluminescent device as claimed in claim 1 , further comprising an electron transport layer that contains a metal complex-based material.
8. The organic electroluminescent device as claimed in claim 1 , wherein the light-emitting layer comprises two or more kinds of host materials.