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Title:
LAMINATE FILM
Document Type and Number:
WIPO Patent Application WO/2018/025717
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 modulus of elasticity at 23°C of 2000 N/m2 or greater.

Inventors:
FUJINAGA, Masashi (Phoenix Arizona, 85034, US)
Application Number:
JP2017/027000
Publication Date:
February 08, 2018
Filing Date:
July 26, 2017
Export Citation:
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Assignee:
SUMITOMO CHEMICAL COMPANY, LIMITED (27-1, Shinkawa 2-chome Chuo-k, Tokyo 60, 〒1048260, JP)
International Classes:
G02B5/30; B32B7/02; B32B27/18; B32B27/30; C09J201/00; G02F1/1335
Attorney, Agent or Firm:
NAKAYAMA, Tohru et al. (LIMITED 5-33, Kitahama 4-chome, Chuo-ku, Osaka-sh, Osaka 50, 〒5418550, JP)
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