Title:
複屈折性光学フィルム
Document Type and Number:
Japanese Patent JP4236098
Kind Code:
B2
Abstract:
The present invention provides a birefringent optical film that allows a liquid crystal display to achieve excellent contrast and a wide viewing angle and does not cause coloring of the liquid crystal display. The birefringent optical film includes at least one birefringent A-layer having a property satisfying nya>=nza>nxa or nza>nya>nza and at least one birefringent B-layer having a property satisfying nxb>=nyb>nzb.
Inventors:
Yuichi Nishikoji
Hiroyuki Yoshimi
Nana Murakami
Hiroyuki Yoshimi
Nana Murakami
Application Number:
JP2003285192A
Publication Date:
March 11, 2009
Filing Date:
August 01, 2003
Export Citation:
Assignee:
NITTO DENKO CORPORATION
International Classes:
G02B5/30; B32B7/02; B32B27/00; G02F1/1335; G02F1/13363
Domestic Patent References:
| JP2000227520A | ||||
| JP6265875A | ||||
| JP2000162436A | ||||
| JP527118A | ||||
| JP2003211464A | ||||
| JP2003207782A | ||||
| JP200255342A | ||||
| JP200142128A | ||||
| JP2000190385A | ||||
| JP2005521920A | ||||
| JP200271950A | ||||
| JP2002296424A |
Attorney, Agent or Firm:
Koichiro Tsujimaru