Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
OPTICALLY ANISOTROPIC LAYER, OPTICALLY ANISOTROPIC LAYERED BODY, POLARIZING PLATE, AND IMAGE DISPLAY DEVICE
Document Type and Number:
WIPO Patent Application WO/2019/176817
Kind Code:
A1
Abstract:
Provided are: an optically anisotropic layer provided with a first phase difference layer (P1) and a second phase difference layer (P2) and satisfying the conditions nz(P1) > nx(P1) ≥ ny(P1), nx(P2) ≥ ny(P2) > nz(P2), |Rth(P1)| > |Rth(P2)|, Rth(P1)(450)/Rth(P1)(550) < Rth(P2)(450)/Rth(P2)(550), and Rth(P2)(450)/Rth(P2)(550) > 1.14; and an optically anisotropic layered body, a polarizing plate, and an image display device including the same.

Inventors:
ITO MANABU (JP)
SAKAMOTO KEI (JP)
Application Number:
PCT/JP2019/009518
Publication Date:
September 19, 2019
Filing Date:
March 08, 2019
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
ZEON CORP (JP)
International Classes:
G02B5/30; G02F1/1335; G02F1/13363; G09F9/30; H01L27/32; H01L51/50; H05B33/02
Domestic Patent References:
WO2017184394A12017-10-26
WO2008133290A12008-11-06
Foreign References:
JP2006527394A2006-11-30
JP2008191407A2008-08-21
JP2007140443A2007-06-07
JP2001091746A2001-04-06
JP2009037110A2009-02-19
JP2017049361A2017-03-09
JP2013003233A2013-01-07
Attorney, Agent or Firm:
SAKAI INTERNATIONAL PATENT OFFICE (JP)
Download PDF: