ELECTROCHEMICAL LIGHT EMITTING CELL, COMPOSITION FOR FORMING LIGHT EMITTING LAYER OF ELECTROCHEMICAL LIGHT EMITTING CELL, AND IONIC COMPOUND FOR LIGHT EMITTING LAYER OF ELECTROCHEMICAL LIGHT EMITTING CELL
申请人:Nippon Chemical Industrial Co., Ltd.
公开号:EP3386274A1
公开(公告)日:2018-10-10
A light-emitting electrochemical cell (10) has a light-emitting layer (12) and electrodes (13) and (14) disposed on the respective surface thereof. The light-emitting layer (12) comprises an organic polymeric light-emitting material and an ionic compound. The ionic compound is represented by the general formula (1). In the general formula (1), the ring A1 denotes an aromatic ring; X is S, C or P; R1 denotes R' or OR', and R' denotes an alkyl group; n denotes 0 or 1; B denotes O, OR2 or A2, R2 denotes a saturated hydrocarbon group, and A2 denotes an aromatic ring; the bond a is a single bond or a double bond; when X is C, n is 0; when X is P, n is 1; when X is S, n is 0 or 1, and when n is 1, the bond a between B and X is a double bond and B is O; when X is P, the bond a between B and X is a single bond and B is OR2 or A2; d is 1 or more; and Y+ denotes a cation.
一种发光电化学电池(10)具有发光层(12)和分别设置在其表面的电极(13)和(14)。发光层(12)由有机聚合物发光材料和离子化合物组成。离子化合物用通式(1)表示。在通式(1)中,环 A1 表示芳香环;X 是 S、C 或 P;R1 表示 R'或 OR',R'表示烷基;n 表示 0 或 1;B 表示 O、OR2 或 A2,R2 表示饱和烃基,A2 表示芳香环;键 a 是单键或双键;当 X 为 C 时,n 为 0;当 X 为 P 时,n 为 1;当 X 为 S 时,n 为 0 或 1,当 n 为 1 时,B 与 X 之间的键 a 为双键,B 为 O;当 X 为 P 时,B 与 X 之间的键 a 为单键,B 为 OR2 或 A2;d 为 1 或更多;Y+ 表示阳离子。