LIGHT EMITTING TETRAPHENYLENE DERIVATIVES, ITS METHOD FOR PREPARATION AND LIGHT EMITTING DEVICE USING THE SAME DERIVATIVES
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United States of America Patent
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Nov 29, 2012
app pub date -
Mar 1, 2011
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Mar 1, 2010
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Provided are a light emitting material comprising one or more tetraphenylethene (TPE) derivatives of formula (1a) with high thermal stability and high solid quantum yield efficiency, and an electroluminescent or light emitting device such as OLED comprising the same TPE derivatives and a method of preparing the same.
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