申请人:NITTO DENKO CORPORATION
公开号:US20150041734A1
公开(公告)日:2015-02-12
The present invention provides a polarizing film having a high dichroic ratio. The polarizing film includes a disazo compound represented by the following general formula (1). In the general formula (1), Q represents a substituted or unsubstituted phenyl group or a substituted or unsubstituted phenyl group having a heterocyclic ring; non-adjacent carbon atoms of the phenyl group may be substituted with nitrogen atoms; R
1
represents an alkyl group; R
2
represents a hydrogen, an acetyl group, or a substituted or unsubstituted benzoyl group; n represents 1 or 2; and M represents a counter ion.