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    • 23. 发明授权
    • Polymeric fluorescent substance and organic electroluminescence device
    • 聚合物荧光物质和有机电致发光器件
    • US5980781A
    • 1999-11-09
    • US36023
    • 1998-03-06
    • Shuji DoiTakanobu NoguchiToshihiro OhnishiMasamitsu Ishitobi
    • Shuji DoiTakanobu NoguchiToshihiro OhnishiMasamitsu Ishitobi
    • C08G61/00C09K11/06H01L51/30H01L51/50H05B33/14
    • H05B33/14C08G61/00C09K11/06H01L51/0035H01L51/0038H01L51/0043H01L51/5012Y10S428/917Y10T428/31504Y10T428/31678
    • Disclosed are an organic electroluminescence device having at least a light emitting layer between the electrodes consisting of one pair of an anode and a cathode, at least one of which electrodes is transparent or semi-transparent, wherein said light emitting layer comprises a polymeric fluorescent substance which emits a fluorescence in a solid state, is soluble in solvents and comprises at least one kind of repeating unit represented by the following formula (1) and at last one kind of repeating unit represented by the following formula (2) with the number of the formula (1) repeating units being 2-50% of the total number of all the repeating units:--Ar.sub.1 -- (1)--Ar.sub.2 -- (2)wherein Ar.sub.1 and Ar.sub.2 are each a bifunctional group forming a carbon--carbon bond with each of two adjacent groups, in the chemical structure of Ar.sub.1, the number of the consecutive atoms present in the shortest path between the two carbon atoms bonding to said two adjacent groups is 1, 3 or 5, and in the chemical structure of Ar.sub.2, the total number of the carbon and nitrogen atoms present in the shortest path between the two carbon atoms bonding to said two adjacent groups is an even number, and a novel polymeric fluorescent substance used in the above device.
    • 公开了一种有机电致发光器件,其具有在由一对阳极和阴极组成的电极之间的至少一个发光层,其中至少一个电极是透明或半透明的,其中所述发光层包含聚合物荧光物质 其发出固体荧光,可溶于溶剂中,并且包含由下式(1)表示的至少一种重复单元和最后一种由下式(2)表示的重复单元,其数目为 式(1)重复单元是全部重复单元总数的2-50%:-Ar1-(1)-Ar2-(2)其中Ar1和Ar2分别是形成碳 - 碳键的双官能团, 两个相邻基团中的每一个在Ar1的化学结构中,键合到所述两个相邻基团的两个碳原子之间的最短路径中存在的连续原子的数目是1,3或5,并且在化学结构 Ar2中,键合到所述两个相邻基团的两个碳原子之间的最短路径中存在的碳和氮原子的总数为偶数,并且在上述装置中使用的新颖的聚合物荧光物质。