申请人:NISSAN CHEMICAL INDUSTRIES, LTD.
公开号:US20160087220A1
公开(公告)日:2016-03-24
A triphenylamine derivative represented by formula (1) exhibits good solubility in an organic solvent and allows an organic EL element having excellent luminance characteristics to be achieved when formed into a thin film and applied to a positive hole injection layer.
(In the formula, R
1
to R
17
mutually independently represent a hydrogen atom, a halogen atom, a nitro group, a cyano group, an amino group, an aldehyde group, a hydroxyl group, a thiol group, a carboxylic acid group, and the like; and l, m, and n mutually independently represent an integer 1 to 5.)
式(1)所代表的三苯胺衍生物在有机溶剂中具有良好的溶解性,并且当形成薄膜并应用于正孔注入层时,可以实现具有优异发光特性的有机EL元件。(在该式中,R1至R17相互独立地表示氢原子、卤素原子、硝基、氰基、氨基、醛基、羟基、硫醇基、羧酸基等;l、m和n相互独立地表示整数1至5。)