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    • 9. 发明申请
    • CHARGE-TRANSPORTING VARNISH
    • 充电运输VARNISH
    • US20160248017A1
    • 2016-08-25
    • US15026543
    • 2014-09-26
    • NISSAN CHEMICAL INDUSTRIES, LTD.
    • Naoki OTANI
    • H01L51/00C09D5/24
    • 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.
    • 含有含氟原子的电荷输送物质的电荷输送性清漆,不含氟原子的电荷输送性物质,由杂多酸构成的掺杂剂物质和有机溶剂。 含氟原子的电荷输送物质是通过使三芳基胺化合物,含氟原子的芳基醛化合物,具有羰基的芴衍生物和具有烷基的咔唑衍生物或含有醚的烷基的缩合得到的聚合物 N位的结构,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将薄膜用作正极和发光层之间的单层的情况下也能够提供具有优异的亮度特性和耐久性的有机EL元件 薄膜与正极和发光层接触。