Title:
位相差板、偏光板及び液晶表示装置
Document Type and Number:
Japanese Patent JP4855081
Kind Code:
B2
Abstract:
A novel retardation plate is disloced. The retardation plate of the present invention comprises a first retardation layer and a second retardation layer, wherein the first retardation layer has an in-plane retardation Re of 20 ran to 150 run, and an Nz value, defined as Nz=Rth/Re+0.5 using an in-plane retardation Re and thickness-direction retardation Rth, of -6.5 to 0.5, and the second retardation layer has Re which satisfies |Re|<30 nm, and Rth which ranges from 80 nm to 400 nm.
Inventors:
Ushiyama Akinobu
Hiromune Haruta
Hiroshi Nozoe
Kazuhiko Takeuchi
Hiromune Haruta
Hiroshi Nozoe
Kazuhiko Takeuchi
Application Number:
JP2006014832A
Publication Date:
January 18, 2012
Filing Date:
January 24, 2006
Export Citation:
Assignee:
FUJIFILM Corporation
International Classes:
G02B5/30; G02F1/1335; G02F1/13363; G02F1/139
Domestic Patent References:
| JP2005338767A |
Attorney, Agent or Firm:
Patent Service Corporation Patent Office Sykes