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Title:
ADHESIVE SHEET FOR IMAGE DISPLAY DEVICE, IMAGE DISPLAY DEVICE, AND ADHESIVE RESIN COMPOSITION
Document Type and Number:
WIPO Patent Application WO/2012/077808
Kind Code:
A1
Abstract:
Provided is an adhesive sheet for an image display device, the adhesive sheet containing a structural unit that is derived from general formula (a), and having a glass transition temperature of 10-50°C and a tanδ of 0.5-1.1 at 40-80°C. The present invention can provide the adhesive sheet for an image display device, the adhesive sheet being useful in preventing cracks and mitigating stress and shocks, having excellent transparency, having improvement with respect to cloudiness of a displayed image, flickering, and the like, and in particular, having suppressed occurrence of air bubbles, lifting, peeling, and the like under high temperature conditions (for example, at least 80°C) and high humidity conditions (for example, 85°C/85% RH or greater). The present invention can further provide an image display device and an adhesive resin composition for an image display device. (In the formula, X is a hydrogen atom or a methyl group.)

Inventors:
SUNOHARA SEIJI (JP)
IMAIZUMI JUNICHI (JP)
NAKAMURA HAJIME (JP)
YAMAZAKI KOUJI (JP)
TAKAHASHI HIROAKI (JP)
MAKISHIMA KAZUHIRO (JP)
SHINYA KENICHI (JP)
TOMOMATSU MEGUMI (JP)
Application Number:
PCT/JP2011/078618
Publication Date:
June 14, 2012
Filing Date:
December 09, 2011
Export Citation:
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Assignee:
HITACHI CHEMICAL CO LTD (JP)
SUNOHARA SEIJI (JP)
IMAIZUMI JUNICHI (JP)
NAKAMURA TOMOYUKI (JP)
NAKAMURA HAJIME (JP)
YAMAZAKI KOUJI (JP)
TAKAHASHI HIROAKI (JP)
MAKISHIMA KAZUHIRO (JP)
SHINYA KENICHI (JP)
TOMOMATSU MEGUMI (JP)
International Classes:
C09J133/04; C09J4/02; C09J7/10; C09J133/14; G02F1/1333
Foreign References:
JP2007277510A2007-10-25
JP2009155503A2009-07-16
JP2005139391A2005-06-02
JP2008120864A2008-05-29
JP2010163591A2010-07-29
JPH11181369A1999-07-06
JPH06166857A1994-06-14
Attorney, Agent or Firm:
OHTANI, Tamotsu et al. (JP)
Tamotsu Otani (JP)
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