申请人:Tanaka Masanobu
公开号:US20110006294A1
公开(公告)日:2011-01-13
Disclosed is a layered structure including a first electrode and a second electrode, a light-emitting layer or a charge separation layer between the first electrode and the second electrode, and a layer containing a conjugated polymer compound between the light-emitting layer or the charge separation layer and the first electrode, wherein the conjugated polymer compound contains a repeating unit selected from the group consisting of a repeating unit represented by formula (1):
wherein Ar
1
represents a divalent aromatic group, R
1
represents a substituent group having a group represented by formula (2), Ar
1
may have a substituent group other than R
1
, and n1 represents an integer of 1 or more;
-(R
2
)
c1
-(Q
1
)
n2
-Y
1
(M
1
)
a1
(Z
1
)
b1
(2)
wherein R
2
represents a divalent aromatic group which may have a substituent group, Q
1
represents a divalent organic group which may have a substituent group, Y
1
represents a carbocation, an ammonium cation, a phosphonyl cation or a sulfonyl cation, M
1
represents F
−
, Cl
−
, Br
−
, I
−
, OH
−
, R
a
SO
3
−
, R
a
COO
−
, ClO
−
, ClO
2
−
, ClO
3
−
, ClO
4
−
, SCN
−
, CN
−
, NO
3
−
, SO
4
2−
, HSO
4
−
, PO
4
3−
, HPO
4
2−
, H
2
PO
4
−
, BF
4
−
or PF
6
−
, Z
1
represents a metal ion or an ammonium ion which may have a substituent group, c1 represents 0 or 1, n2 represents an integer of 0 or more, provided that n2 is 0 when c1 is 0, a1 represents an integer of 1 or more, b1 represents an integer of 0 or more, a1 and b1 are selected so that the charge of the substituent group represented by formula (2) is 0, R
a
represents an alkyl group having 1 to 30 carbon atoms, which may have a substituent group, or an aryl group having 6 to 50 carbon atoms, which may have a substituent group.
本发明公开了一种分层结构,包括第一电极和第二电极,第一电极和第二电极之间有一个发光层或电荷分离层,发光层或电荷分离层和第一电极之间含有一层含有共轭聚合物化合物的层,其中所述的共轭聚合物化合物包含从由式(1)表示的重复单元所选的重复单元组中选出的一个重复单元:
式中,Ar1表示一个二价芳香基团,R1表示一个具有由式(2)表示的基团的取代基团,Ar1可能具有除R1以外的取代基团,n1表示1或更多的整数;
-(R2)c1-(Q1)n2-Y1(M1)a1(Z1)b1(2)
式中,R2表示一个二价芳香基团,它可能具有取代基团,Q1表示一个二价有机基团,它可能具有取代基团,Y1表示一个碳正离子、铵离子、磷酰阳离子或磺酰阳离子,M1表示F−、Cl−、Br−、I−、OH−、RaSO3−、RaCOO−、ClO−、ClO2−、ClO3−、ClO4−、SCN−、CN−、NO3−、SO42−、HSO4−、PO43−、HPO42−、H2PO4−、BF4−或PF6−,Z1表示一个金属离子或铵离子,它可能具有取代基团,c1表示0或1,n2表示0或更多的整数,当c1为0时,n2为0,a1表示1或更多的整数,b1表示0或更多的整数,a1和b1被选择为使式(2)所表示的取代基团的电荷为0,Ra表示一个具有1到30个碳原子的烷基,它可能具有取代基团,或者一个具有6到50个碳原子的芳基,它可能具有取代基团。