Stock material or miscellaneous articles – Composite – Of inorganic material
Reexamination Certificate
2007-07-17
2007-07-17
Peng, Kuo-Liang (Department: 1712)
Stock material or miscellaneous articles
Composite
Of inorganic material
C428S917000, C528S397000, C528S425000
Reexamination Certificate
active
10132466
ABSTRACT:
A polymeric fluorescent substance showing fluorescence in the solid state, having a polystyrene reduced number-average molecular weight of 103to 108, and comprising one or more repeating units of formula (1) and one or more repeating units of formula (2) which is different from formula (1),exhibits strong fluorescence and/or excellent charge transporting property, and a high performance polymer LED which can be driven at low voltage and high efficiency is obtained.
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Doi Shuji
Noguchi Takanobu
Ueoka Takahiro
Peng Kuo-Liang
Sumitomo Chemical Company Limited
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