Title:
FLEXIBLE POLARIZING FILM, MANUFACTURING METHOD FOR SAME AND IMAGE DISPLAY DEVICE
Document Type and Number:
WIPO Patent Application WO/2017/170522
Kind Code:
A1
Abstract:
The present invention relates to a flexible polarizing film comprising a polyvinyl alcohol polarizer, not thicker than 10μm, in which polyvinyl alcohol resin is orientated in one direction and iodine or a dichromatic pigment is adsorbed and orientated on the polyvinyl alcohol resin, wherein the flexible polarizing film exhibits no breaking, traces of cracking or light-loss in either direction after being subjected to a U-shape flexing test in which the film is repeatedly flexed into a U-shape in the orientation direction in which the polyvinyl alcohol resin is orientated and the direction orthogonal to the orientation direction. The flexible polarizing film according to the present invention has a high level of flexibility despite using a polyvinyl alcohol polarizer.
Inventors:
ISHIHARA YASUTAKA (JP)
UENO TOMONORI (JP)
KISHI ATSUSHI (JP)
UENO TOMONORI (JP)
KISHI ATSUSHI (JP)
Application Number:
PCT/JP2017/012594
Publication Date:
October 05, 2017
Filing Date:
March 28, 2017
Export Citation:
Assignee:
NITTO DENKO CORP (JP)
International Classes:
G02B5/30; B32B7/02; B32B27/30; G02F1/1335; G09F9/00; H05B33/02; H05B33/14
Foreign References:
| JP2016033215A | 2016-03-10 | |||
| JPH11183726A | 1999-07-09 | |||
| JP2007009056A | 2007-01-18 | |||
| JP2006291173A | 2006-10-26 |
Attorney, Agent or Firm:
UNIUS PATENT ATTORNEYS OFFICE (JP)
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