Title:
POLARIZING PLATE, METHOD FOR PRODUCING SAME, AND IMAGE DISPLAY DEVICE USING SAID POLARIZING PLATE
Document Type and Number:
WIPO Patent Application WO/2021/193320
Kind Code:
A1
Abstract:
The present invention provides a polarizing plate which maintains excellent optical characteristics even in a high-temperature high-humidity environment, while being prevented from color loss. A polarizing plate according to the present invention comprises: a sheet-like polarizer which is configured from a polyvinyl alcohol resin film that contains a dichroic substance; and a protective layer which is arranged on at least one side of the polarizer. With respect to this polarizing plate, a polyene formation part is formed at an end of the polarizer.
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Inventors:
INOHARA TAKUMI (JP)
OGOMI DAISUKE (JP)
MATSUO NAOYUKI (JP)
OGOMI DAISUKE (JP)
MATSUO NAOYUKI (JP)
Application Number:
PCT/JP2021/010962
Publication Date:
September 30, 2021
Filing Date:
March 18, 2021
Export Citation:
Assignee:
NITTO DENKO CORP (JP)
International Classes:
G02B5/30; B23K26/38; H01L27/32; H01L51/50; H05B33/02
Foreign References:
| JP2016206641A | 2016-12-08 | |||
| JP2012173588A | 2012-09-10 | |||
| JP2009294649A | 2009-12-17 | |||
| JP2009037228A | 2009-02-19 | |||
| JP2011248192A | 2011-12-08 | |||
| JP2017531813A | 2017-10-26 | |||
| US4421386A | 1983-12-20 |
Attorney, Agent or Firm:
MOMII Takafumi (JP)
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