Title:
POLARIZER AND IMAGE DISPLAY DEVICE
Document Type and Number:
WIPO Patent Application WO/2020/004303
Kind Code:
A1
Abstract:
The present invention addresses the problem of providing a polarizer having a high degree of orientation, and an image display device using the polarizer. The problem is solved by a polarizer formed from a polarizer-forming composition containing a liquid crystalline compound and a dichroic material, wherein the liquid crystalline compound and the dichroic material are horizontally oriented, aggregates are observed on a surface observed by a scanning electron microscope, and when the length of the long axis of the aggregates is L and the length of the short axis thereof is D, the number of needle-shaped aggregates satisfying L ≥ 300 nm and L/D > 2 is 15 or more per 40 μm2, and the number of needle-shaped aggregates satisfying L ≤ 500 nm is 80% or more.
Inventors:
HOSHINO WATARU (JP)
YAMASHITA TATSUYA (JP)
TADA SHIHO (JP)
HAYASHI NAOKI (JP)
KASAHARA TAKEHIRO (JP)
YAMASHITA TATSUYA (JP)
TADA SHIHO (JP)
HAYASHI NAOKI (JP)
KASAHARA TAKEHIRO (JP)
Application Number:
PCT/JP2019/024891
Publication Date:
January 02, 2020
Filing Date:
June 24, 2019
Export Citation:
Assignee:
FUJIFILM CORP (JP)
International Classes:
G02B5/30; G02F1/1335; G09F9/30; H01L27/32; H01L51/50; H05B33/02
Domestic Patent References:
| WO2017170036A1 | 2017-10-05 | |||
| WO2017195833A1 | 2017-11-16 | |||
| WO2017090668A1 | 2017-06-01 |
Foreign References:
| JP2018045210A | 2018-03-22 |
Attorney, Agent or Firm:
ITOH Hideaki et al. (JP)
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