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Title:
TRANSPARENT ELECTROCONDUCTIVE FILM, HEATER, TOUCH PANEL, SOLAR CELL, ORGANIC EL DEVICE, LIQUID CRYSTAL DEVICE, AND ELECTRICAL PAPER
Document Type and Number:
WIPO Patent Application WO/2012/133029
Kind Code:
A1
Abstract:
Provided is a transparent electroconductive film whereby a decline in light transmittance can be attenuated when stacked with graphene and whereby a light transmittance greater than an upper limit of light transmittance for one layer of graphene can be obtained; also provided are a heater, touch panel, solar cell, organic EL device, liquid crystal device, and electrical paper comprising the same. The transparent electroconductive film comprises a single layer of an electroconductive graphene sheet. The single layer of electroconductive graphene sheet is configured to include a first region made of graphene and a second region which is enclosed by the first region and has a higher light transmittance than does the first region.

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Inventors:
SHIMIZU KEISUKE (JP)
KOBAYASHI TOSHIYUKI (JP)
KIMURA NOZOMI (JP)
IZUHA KYOKO (JP)
Application Number:
PCT/JP2012/057137
Publication Date:
October 04, 2012
Filing Date:
March 21, 2012
Export Citation:
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Assignee:
SONY CORP (JP)
SHIMIZU KEISUKE (JP)
KOBAYASHI TOSHIYUKI (JP)
KIMURA NOZOMI (JP)
IZUHA KYOKO (JP)
International Classes:
H01B5/14; C01B31/02; G02F1/1343; G06F3/041; H01L31/04; H05B3/12; G02F1/1676; H01M14/00
Foreign References:
JP2009107921A2009-05-21
JPH10326152A1998-12-08
JPH02126314A1990-05-15
JP2009110496A2009-05-21
JP2006521634A2006-09-21
JP2009107921A2009-05-21
Other References:
KI KANG KIM ET AL.: "Enhancing the conductivity of transparent graphene films via doping", NANOTECHNOLOGY, vol. 21, no. 28, 2010, pages 285205, XP020175080
Attorney, Agent or Firm:
TSUBASA PATENT PROFESSIONAL CORPORATION (JP)
Patent business corporation wings international patent firm (JP)
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