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    • 2. 发明公开
    • CHARGE-TRANSPORTING VARNISH
    • 电荷转移清漆
    • EP3124563A1
    • 2017-02-01
    • EP15767949.9
    • 2015-03-24
    • Nissan Chemical Industries, Ltd.
    • OTANI NaokiOTA Hirofumi
    • C09D161/00C08K3/24C08L61/20C08L79/00C09D5/22C09D7/12C09K11/06H01B1/06H01L51/50H05B33/10
    • C08K3/24C08G16/0231C08G16/06C08G73/026C09D7/40C09D161/00C09D179/02H01L51/0035H01L51/5056
    • This charge-transporting varnish includes: a fluorine-containing charge-transporting substance; a non-fluorine-containing charge-transporting substance; a dopant substance comprising a heteropoly acid; and an organic solvent. The fluorine-containing charge-transporting substance is a polymer which has a weight average molecular weight of 500-200,000, and which is obtained by condensing: at least one compound selected from triarylamine compounds and tetraarylbenzidine compounds; a tetraarylbenzidine compound having at least one aryl group substituted with an alkoxy group which may include ether bonds; a fluorine-containing aryl aldehyde compound; and a fluorene derivative having a carbonyl group. The non-fluorine-containing charge-transporting substance is an oligoaniline compound. The charge-transporting varnish provides a thin film with which an organic electroluminescent element exhibiting excellent luminance characteristics can be achieved, even in cases when employed as a single layer in a state of being provided between and in contact with a positive electrode and a light-emission layer.
    • 该电荷传输性清漆包含:含氟电荷传输性物质; 不含氟的电荷输送物质; 包含杂多酸的掺杂物质; 和有机溶剂。 含氟电荷输送物质是重均分子量为500〜200,000的聚合物,其通过缩合:选自三芳基胺化合物和四芳基联苯胺化合物中的至少一种化合物; 具有至少一个被可包括醚键的烷氧基取代的芳基的四芳基联苯胺化合物; 含氟芳基醛化合物; 和具有羰基的芴衍生物。 非氟电荷输送物质是低聚苯胺化合物。 电荷传输性清漆提供了一种薄膜,即使在以设置在正极和发光层之间并且与正极接触的状态作为单层使用的情况下,也可以实现具有优异的亮度特性的有机电致发光元件, 发射层。