Title:
PHASE DIFFERENCE FILM, METHOD FOR PRODUCING SAME, POLARIZING PLATE AND DISPLAY DEVICE
Document Type and Number:
WIPO Patent Application WO/2018/123772
Kind Code:
A1
Abstract:
Provided is a phase difference film comprising a layer A that includes a thermoplastic resin A and inorganic particles I, wherein the Nz coefficient at 540 nm is more than 0.1 and less than 1.0, the in-plane retardation Re at 540 nm is more than 50 nm and less than 300 nm, the thermoplastic resin A has a negative intrinsic birefringence value, the inorganic particles I are plate-like inorganic particles, the average diameter of the inorganic particles I in the plate surface direction is 10-60 nm, and the content of the inorganic particles I in the layer A is 5-20 wt%.
Inventors:
ASADA TAKESHI (JP)
Application Number:
PCT/JP2017/045751
Publication Date:
July 05, 2018
Filing Date:
December 20, 2017
Export Citation:
Assignee:
ZEON CORP (JP)
International Classes:
G02B5/30; B32B7/02; B32B27/20; G02F1/1335; G02F1/13363; G09F9/30; H01L27/32; H01L51/50; H05B33/02
Domestic Patent References:
| WO2013161894A1 | 2013-10-31 | |||
| WO2016167341A1 | 2016-10-20 |
Foreign References:
| JP2012226996A | 2012-11-15 |
Attorney, Agent or Firm:
SAKAI INTERNATIONAL PATENT OFFICE (JP)
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