Organic electroluminescent polymer having...

C - Chemistry – Metallurgy – 09 – K

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C09K 11/06 (2006.01)

Patent

CA 2554940

Disclosed herein is an organic electroluminescent polymer having 9,9- di(fluorenyl)-2,7-fluorenyl unit and an electroluminescent device using the same. Specifically, the current invention provides an organic electroluminescent polymer having 9,9-di(fluorenyl)-2,7-fluorenyl unit, which can be used as a blue electroluminescent polymer and host material by introducing the substituted fluorenyl group at the 9-position of fluorene, and an electroluminescent device using the electroluminescent polymer. The electroluminescent polymer is applicable as a host material for highly pure blue, green and red, having high solubility, high heat stability and high quantum efficiency.

La présente invention concerne un polymère organique électroluminescent contenant une unité 9,9-di(fluorényl)-2,7-fluorényle, et un dispositif électroluminescent l'utilisant. L'invention concerne plus particulièrement, d'une part un polymère organique électroluminescent contenant une unité 9,9-di(fluorényl)-2,7-fluorényle convenant comme polymère électroluminescent bleu et un matériau hôte obtenu par introduction du groupe fluorényle substitué en position 9 du fluorène, et d'autre part un dispositif électroluminescent utilisant ce polymère électroluminescent. Ce polymère convient comme matériau hôte pour du bleu, du vert et du rouge très purs, se distinguant par des qualités élevées de stabilité à la chaleur et de rendement quantique.

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