RETARDATION FILM, AND OPTICAL COMPENSATION LAYER, OPTICAL COMPENSATION POLARIZING PLATE, LIQUID CRYSTAL DISPLAY DEVICE AND ORGANIC EL DISPLAY DEVICE EACH USING SAID RETARDATION FILM

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专利权人:

Kaneka Corporation

发明人:

MUKAI, Ryutaro,ABO, Tomohiro

申请号：

EP20140856552

公开号：

EP3062133(A4)

申请日:

2014.10.20

申请国别(地区):

欧洲专利局

年份:

2017

代理人:

摘要：

The present invention achieves a phase difference film that is excellent in wavelength dispersion property, in-plane retardation, and film thickness, by using a polymeric material (i) which is composed of at least one type of cellulose derivative having a specific alkoxyl group substitution degree D 1 and a specific 2-naphthoyl group substitution degree D 2 and (ii) which has a specific total 2-naphthoyl group substitution degree D 3 .

来源网站：

中国工程科技知识中心

来源网址：

http://www.ckcest.cn/home/