POLARIZING FILM, IMAGE DISPLAY, AND METHOD FOR PRODUCING POLARIZING FILM
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United States of America Patent
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Issued Date -
Feb 12, 2015
app pub date -
Mar 22, 2013
filing date -
Apr 18, 2012
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Abandoned
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Abstract
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; R1 represents an alkyl group; R2 represents a hydrogen, an acetyl group, or a substituted or unsubstituted benzoyl group; n represents 1 or 2; and M represents a counter ion.
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