Title:
LIQUID CRYSTAL DISPLAY DEVICE, POLARIZING PLATE, AND POLARIZER PROTECTIVE FILM
Document Type and Number:
WIPO Patent Application WO/2018/181655
Kind Code:
A1
Abstract:
The present invention addresses the problem of providing a liquid crystal display device, a polarizing plate, and a polarizer protective film, wherein the occurrence of rainbow spots can be suppressed even when the polarizer protective film is thinned, and the wavelength spectra of a backlight source is diversified by widening the color gamut of the liquid crystal display device. A polarizer protective film formed from a polyethylene terephthalate-based resin film, said polarizer protective film characterized in that the polyethylene terephthalate-based resin film satisfies the following (1) and (2): (1) the polyethylene terephthalate-based resin film has a retardation of 3,000-30,000 nm; and (2) the rigid amorphous fraction is at least 33 wt%.
Inventors:
ABE TAKAHISA (JP)
HAYAKAWA SHOTA (JP)
MURATA KOUICHI (JP)
MUKOYAMA YUKINOBU (JP)
HAYAKAWA SHOTA (JP)
MURATA KOUICHI (JP)
MUKOYAMA YUKINOBU (JP)
Application Number:
PCT/JP2018/013103
Publication Date:
October 04, 2018
Filing Date:
March 29, 2018
Export Citation:
Assignee:
TOYO BOSEKI (JP)
International Classes:
G02B5/30; B29C55/08; C08J5/18; G02F1/1335; G02F1/13363
Domestic Patent References:
| WO2012043281A1 | 2012-04-05 |
Foreign References:
| JP2015111207A | 2015-06-18 | |||
| JP2017043756A | 2017-03-02 | |||
| JP2011053271A | 2011-03-17 |
Attorney, Agent or Firm:
SAEGUSA & PARTNERS (JP)
Download PDF: