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    • 7. 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。
    • 8. 发明公开
    • CHARGE-TRANSPORTING VARNISH
    • 电荷转移清漆
    • EP3054497A1
    • 2016-08-10
    • EP14850431.9
    • 2014-09-26
    • Nissan Chemical Industries, Ltd.
    • OTANI Naoki
    • H01L51/50C08G16/02H05B33/10
    • H01L51/0035C08G12/26C08G73/026C09D5/24C09D161/26C09D179/02C09K11/06C09K2211/1029H01L51/001H01L51/5024H01L51/506H01L51/5088H01L51/5206H01L51/5221
    • A charge-transporting varnish which contains a charge-transporting substance containing fluorine atoms, a charge-transporting substance containing no fluorine atoms, a dopant substance composed of a heteropolyacid, and an organic solvent. The charge-transporting substance containing fluorine atoms is a polymer which is obtained by condensing a triaryl amine compound, an arylaldehyde compound containing fluorine atoms, a fluorene derivative having a carbonyl group and a carbazole derivative having an alkyl group or an alkyl group containing an ether structure in the N-position, and which has a weight average molecular weight of 1,000-200,000. The charge-transporting substance containing no fluorine atoms is an oligoaniline compound. A thin film formed from this charge-transporting varnish is capable of providing an organic EL element having excellent luminance characteristics and durability even in cases where the thin film is used as a single layer between a positive electrode and a light emitting layer in such a manner that the thin film is in contact with the positive electrode and the light emitting layer.
    • 包含含有氟原子的电荷输送物质,不含氟原子的电荷输送物质,由杂多酸组成的掺杂物质和有机溶剂的电荷输送性清漆。 含有氟原子的电荷输送物质是通过使三芳基胺化合物,含有氟原子的芳基醛化合物,具有羰基的芴衍生物和具有含烷基或烷基的咔唑衍生物缩合而得到的聚合物 结构位于N位,并且其重均分子量为1,000-200,000。 不含氟原子的电荷输送物质是低聚苯胺化合物。 由该电荷传输性清漆形成的薄膜即使在这样的正极与发光层之间作为单层使用的情况下,也能够提供辉度特性和耐久性优异的有机EL元件 薄膜与正极和发光层接触。