A polymeric fluorescent substance exhibiting fluorescence in the solid state, having a polystyrene reduced number-average molecular weight of 1'10
3
to 1×10
8
, and comprising one or more repeating units of formula (1) and one or more repeating units of formula (8),
—Ar
1
—(CR
1
═CR
2
)
n
(1)
—Ar
2
—(CR
36
═CR
37
)
n
—  (8)
wherein Ar
1
represents a specific arylene or a divalent heterocyclic compound group, and Ar
2
represent an arylene or a divalent heterocyclic compound group other than Ar
1
. By using the polymeric fluorescent substance, a high performance polymer LED can easily be obtained.
                            一种聚合荧光物质,在固态下表现出荧光,其聚
苯乙烯的减少平均分子量为1'103至1×108,并包含一个或多个由公式(1)和一个或多个由公式(8)重复单元构成的重复单元,-Ar1-(CR1═CR2)n(1)-Ar2-(CR36═CR37)n-(8),其中Ar1表示特定的芳基或双价
杂环化合物基团,而Ar2表示除Ar1以外的芳基或双价
杂环化合物基团。通过使用这种聚合荧光物质,可以轻松获得高性能的聚合物LED。