申请人:——
公开号:US20020028350A1
公开(公告)日:2002-03-07
There is provided an electroluminescent device including an anode, a cathode, and at least one organic layer sandwiched between the anode and the cathode, the organic layer including at least a red light emitting layer, the organic layer containing a compound represented with the chemical formula C1, alone or in combination:
1
wherein R
1
to R
4
each independently represents a hydrogen atom, a hydroxyl group, a substituted or unsubstituted amino group, a nitro group, a substituted or unsubstituted alkyl group, a substituted or unsubstituted alkenyl group, a substituted or unsubstituted cycloalkyl group, a substituted or unsubstituted alkoxy group, a substituted or unsubstituted aromatic hydrocarbon group, a substituted or unsubstituted aromatic heterocyclic group, or a substituted or unsubstituted aralkyl group, wherein at least one of R
1
to R
4
is a di-aryl amino group represented with —NAr
1
Ar
2
where each of Ar
1
and Ar
2
independently indicates an aryl group having a carbon number of 6 to 20 both inclusive, wherein R
5
to R
12
each independently represents a hydrogen atom, a halogen atom, a hydroxyl group, a substituted or unsubstituted amino group, a nitro group, a cyano group, a substituted or unsubstituted alkyl group, a substituted or unsubstituted alkenyl group, a substituted or unsubstituted cycloalkyl group, a substituted or unsubstituted alkoxy group, a substituted or unsubstituted aromatic hydrocarbon group, a substituted or unsubstituted aromatic heterocyclic group, or a substituted or unsubstituted aralkyl group, a substituted or unsubstituted aryloxy group, a substituted or unsubstituted alkoxycarbonyl group, or a carboxyl group, and wherein any two of R
1
to R
4
except diaryl amino group and R
5
to R
12
may form a ring.
提供了一种电致发光装置,包括阳极、阴极和至少一个有机层,夹在阳极和阴极之间,有机层包括至少一个红色发光层,有机层含有一个化学式为C1的化合物,单独或组合使用:1其中,R1到R4各自独立表示氢原子、羟基、取代或未取代的氨基、硝基、取代或未取代的烷基、取代或未取代的烯基、取代或未取代的环烷基、取代或未取代的烷氧基、取代或未取代的芳香烃基、取代或未取代的芳香杂环基或取代或未取代的芳基烷基,其中R1到R4中至少一个是二芳基氨基,表示为—NAr1Ar2,其中Ar1和Ar2各自独立表示具有6到20个碳原子的芳基,其中,R5到R12各自独立表示氢原子、卤素原子、羟基、取代或未取代的氨基、硝基、氰基、取代或未取代的烷基、取代或未取代的烯基、取代或未取代的环烷基、取代或未取代的烷氧基、取代或未取代的芳香烃基、取代或未取代的芳香杂环基或取代或未取代的芳基烷基、取代或未取代的芳氧基、取代或未取代的烷氧羰基或羧基,其中,R1到R4中的任意两个(除二芳基氨基外)和R5到R12中的任意两个可形成环。