Filters for electronic display devices
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United States of America Patent
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Mar 30, 2010
Grant Date -
May 10, 2007
app pub date -
Dec 17, 2004
filing date -
Dec 18, 2003
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The present invention provides a filter for electronic display devices, comprising a squarylium compound represented by General Formula (I):[wherein X represents a group represented by following Formula (A):may be the same or different and each represent a hydrogen atom, an alkyl group optionally having substituent(s) and the like) and the like; and Y represents a group represented by following Formula (C):represents a hydrogen atom, an alkyl group optionally having substituent(s) and the like) and the like, and “n” represents an integer of 0 to 5].
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