Electroactive polymers and devices made therefrom

H - Electricity – 01 – L

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H01L 51/00 (2006.01) C08G 81/00 (2006.01) C08G 85/00 (2006.01) C09K 11/06 (2006.01) H01L 51/30 (2006.01) H01L 51/40 (2006.01) H01L 51/54 (2006.01) H01L 51/56 (2006.01)

Patent

CA 2448514

An organic block polymer useful in an electroluminescent polymer device (or in a polymer field effect transistor) that includes an emissive polymer block that is consistently conjugated along the backbone of the emissive polymer block (e.g., a copolymer of 2,7-linked 9,9 dioctyl fluorene and 4,7-linked 2,1,3 benxothiadiazole); and a positive charge carrier polymer block that is consistently conjugated along the backbone of the positive charge carrier polymer block (e.g., a copolymer of 2,7-linked 9,9 dioctyl fluorene and 4N, 4N'-linked N,N'-di(3-carboxomethoxyphenyl)benzidine) for transporting positive charge carriers to the emissive polymer block so that the positive charge carriers can combine with negative charge carriers to generate light.

La présente invention concerne un polymère séquencé organique pouvant être utilisé dans un dispositif polymère électroluminescent (ou dans un transistor à effet de champ polymère). Ledit polymère comprend un polymère séquencé émissif qui est conjugué de façon constante le long du squelette du polymère séquencé émissif (par exemple, un copolymère de 9,9 dioctyle fluorène lié en 2,7 et de 2,1,3 benxothiadiazole lié en 4,7); et un polymère séquencé porteur de charge positive qui est conjugué de façon constante le long du squelette du polymère séquencé porteur de charge positive (par exemple, un copolymère de 9,9 dioctyle fluorène lié en 2,7 et de N,N'-di(3-carboxométhoxyphényl)benzidine lié en 4N, 4N') destiné à transporter les porteurs de charge positive vers le polymère séquencé émissif de sorte que les porteurs de charge positive puissent se combiner avec des porteurs de charge négative pour générer de la lumière.

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