| 摘要 |
PURPOSE:To improve the spectral sensitivity in the wavelength range of green color by incorporating two kinds of specified compds. CONSTITUTION:A compd. represented by formula I and at least one kind of compd. selected among compds represented by formulae II, III, are incorporated. In the formulae I-III, each of R0 and R1 is H atom alkyl group or the like, each of R2, R7 and R10 is H atom, alkyl group or the like, R3 is >=2C alkyl, aryl group or the like, each of R4, R5, R6, R8, R9 and R11 is alkyl group, X1<-> is a counter anion, each of Z1 and Z2 is a group of nonmetallic atoms reguired to form a benzene or naphthalene ring, each of Z3 and Z4 is a group of nonmetal lic atoms required to form a benzene ring and Y is S or Se atom. Thus, the sensitivity is improved.
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