US Patent 7452961 Polymer film and polymer film device using same

Patent 7452961 was granted and assigned to Sumitomo Chemical on November, 2008 by the United States Patent and Trademark Office.

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Patent Inventor Names

Chizu Sekine0

Masato Ueda0

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Patent abstract

The present invention relates to a polymer film comprising a polymer having liquid crystallinity, having a number-average molecular weight in terms of polystyrene of 103 to 108 and having an electron mobility or hole mobility of 10−5 cm2/Vs or more, and having a film thickness in the range from 1 nm to 100 μm. This polymer film can be used for various polymer film devices such as an organic transistor, organic solar battery, optical sensor, electrophotographic photoreceptor, spatial light modulator, photorefractive device and the like.

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https://pdfpiw.uspto.gov/.piw?Docid=074529610

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