Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
LAMINATE FILM
Document Type and Number:
WIPO Patent Application WO/2018/025698
Kind Code:
A1
Abstract:
[Problem] To provide a laminate film which can maintain a high degree of polarization even in a hot and humid environment. [Solution] This laminate film comprises: a polarizer layer in which a dichroic dye is oriented in a polyvinyl alcohol resin; a stretched film in which the forming material is a resin film that has a slow axis in the direction oblique to the absorption axis of the polarizer layer; and an adhesive layer which bonds together the polarizer layer and the stretched film. The adhesive layer has a glass transition temperature of greater than or equal to 60°C.

Inventors:
FUJINAGA, Masashi (Phoenix Arizona, 85034, US)
Application Number:
JP2017/026782
Publication Date:
February 08, 2018
Filing Date:
July 25, 2017
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
SUMITOMO CHEMICAL COMPANY, LIMITED (27-1, Shinkawa 2-chome Chuo-k, Tokyo 60, 〒1048260, JP)
International Classes:
G02B5/30; B32B27/30; C09J201/00; G02F1/1335
Foreign References:
JP2013178466A2013-09-09
JP2013177547A2013-09-09
JP2014513325A2014-05-29
JP2010085802A2010-04-15
JP2013536456A2013-09-19
JP2012014148A2012-01-19
JP2014215560A2014-11-17
Attorney, Agent or Firm:
NAKAYAMA, Tohru et al. (LIMITED 5-33, Kitahama 4-chome, Chuo-ku, Osaka-sh, Osaka 50, 〒5418550, JP)
Download PDF: