| 摘要 |
Disclosed is a filter for electronic displays which contains a squarilium compound represented by the following general formula (I): (I) [wherein X represents a group expressed by the following formula (A): (A) (wherein R1, R 2, R3 and R4 may be the same or different and respectively represent a hydrogen atom, a halogen atom or the like, and R5 and R6 may be the same or different and respectively represent a hydrogen atom, an optionally substituted alkyl group or the like), and Y represents a group expressed by the following formula (C): (C) (wherein R9 represents a halogen atom, an optionally substituted alkyl group or the like, R10 represents a hydrogen atom, an optionally substituted alkyl group or the like, and n is an integer of 0-5)].
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