申请人:IDEMITSU KOSAN CO., LTD.
公开号:US20160181543A1
公开(公告)日:2016-06-23
An organic EL device with high emission efficiency, an electronic equipment including the organic EL device, and a compound providing the organic EL device are provided. The compound is represented by formula (1);
wherein Ar
1
represents a substituted or unsubstituted naphthalene ring; the substituent on the naphthalene ring is at least one selected from a fluorine atom, a cyano group, an alkyl group, a cycloalkyl group, an alkoxy group, an aryloxy group, an alkylthio group, an arylthio group, a group represented by —Si(R
101
)(R
102
)(R
103
), and a group represented by —Z—R
a
; R
1
and R
2
each independently represent a hydrogen atom, an alkyl group, a cycloalkyl group, a group represented by —Si(R
101
)(R
102
)(R
103
), an aryl group, or a heteroaryl group; R
11
to R
18
each independently represent a hydrogen atom, a fluorine atom, a cyano group, an alkyl group, a cycloalkyl group, an alkoxy group, an aryloxy group, an alkylthio group, an arylthio group, a group represented by —Si(R
101
)(R
102
)(R
103
), or a group represented by —Z—R
a
; each Z represents a single bond, an arylene group, a heteroarylene group, or a divalent linking group in which 2 to 4 groups selected from the above groups are linked together; R
a
represents a group represented by —N(R
104
)(R
105
), an aryl group, or a heteroaryl group; and R
101
to R
105
each represent a hydrogen atom, an alkyl group, a cycloalkyl group, aryl group, or a heteroaryl group; provided that at least one selected from the substituent on the naphthalene ring and R
11
to R
18
represents a group represented by —Z—R
a
.
提供一种具有高发射效率的有机EL器件,包括该有机EL器件的电子设备以及提供有机EL器件的化合物。该化合物由公式(1)表示;其中Ar1表示取代或未取代的萘环;萘环上的取代基至少选自氟原子,氰基,烷基,环烷基,烷氧基,芳氧基,烷硫基,芳硫基,由—Si(R101)(R102)(R103)表示的基团和由—Z—Ra表示的基团;R1和R2各自独立地表示氢原子,烷基,环烷基,由—Si(R101)(R102)(R103)表示的基团,芳基或杂环基;R11到R18各自独立地表示氢原子,氟原子,氰基,烷基,环烷基,烷氧基,芳氧基,烷硫基,芳硫基,由—Si(R101)(R102)(R103)表示的基团或由—Z—Ra表示的基团;每个Z表示单键,芳基烃基,杂环芳烃基或由上述基团中选择的2到4个基团连接在一起的二价连接基团;Ra表示由—N(R104)(R105)表示的基团,芳基或杂环基团;R101到R105各自表示氢原子,烷基,环烷基,芳基或杂环基团;但是至少有一个选自萘环上的取代基和R11到R18中的一个表示由—Z—Ra表示的基团。