Title:
FLEXIBLE POLARIZING FILM, MANUFACTURING METHOD FOR SAME AND IMAGE DISPLAY DEVICE
Document Type and Number:
WIPO Patent Application WO/2017/170516
Kind Code:
A1
Abstract:
The present invention is 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 after being subjected to a twisting test in which the film is twisted in the orientation direction in which the polyvinyl alcohol resin is orientated. 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/JP2017/012588
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 | |||
| JP2000249833A | 2000-09-14 | |||
| JP2013125077A | 2013-06-24 |
Attorney, Agent or Firm:
UNIUS PATENT ATTORNEYS OFFICE (JP)
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