| 主权项 |
1. A wavelength conversion member comprising a wavelength conversion layer comprising a quantum dot which is excited by exciting light to emit fluorescence, wherein
the wavelength conversion layer comprises an organic matrix, and the organic matrix comprises a polymer and one or more of compounds selected from the group consisting of compounds represented by any of the following general formulae (1) to (6); in general formulae (1) to (3), R41 represents an aliphatic group, an aryl group, a heterocyclic group, an acyl group, an aliphatic oxycarbonyl group, an aryloxycarbonyl group, an aliphatic sulfonyl group, an aryl sulfonyl group, a phosphoryl group or —Si(R47)(R48)(R49), each of R47, R48 and R49 represents independently an aliphatic group, an aryl group, an aliphatic oxy group or an aryloxy group, each of R42 to R46 represents independently hydrogen atom or a substituent, and each of Ra1 to Ra4 represents independently hydrogen or an aliphatic group, in general formula (4), R51 represents hydrogen atom, an aliphatic group, an aryl group, a heterocyclic group, an acyl group, an aliphatic oxycarbonyl group, an aryloxycarbonyl group, an aliphatic sulfonyl group, an aryl sulfonyl group, a phosphoryl group or —Si(R58)(R59)(R60), each of R58, R59 and R60 represents independently an aliphatic group, an aryl group, an aliphatic oxy group or an aryloxy group, X51 represents —O— or —N(R57)—, R57 has the same definition as that of R51, X55 represents —N═ or —C(R52)═, X56 represents —N═ or —C(R54)=, X57 represents —N═ or —C(R56)=, each of R52, R53, R54, R55 and R56 represents independently hydrogen atom or a substituent, R51 and R52, R57 and R56, and R51 and R57 may be bonded to each other to form a 5- to 7-membered ring, R52 and R53, R53 and R54 may be bonded to each other to form a 5- to 7-membered ring or a spiro ring, a bicycle ring, provided that not all of R51 to R57 are hydrogen atoms at the same time, the total number of carbon atoms of the compounds represented by general formula (4) is 10 or more, and the compounds represented by general formula (4) are not the compounds represented by any of general formulae (1) to (3), in general formula (5), each of R65 and R66 represents independently hydrogen atom, an aliphatic group, an aryl group, an acyl group, an aliphatic oxycarbonyl group, an aryloxycarbonyl group, a carbamoyl group, an aliphatic sulfonyl group or an aryl sulfonyl group, R67 represents hydrogen atom, an aliphatic group, an aliphatic oxy group, an aryloxy group, an aliphatic thio group, an aryl thio group, an acyloxy group, an aliphatic oxycarbonyloxy group, an aryloxycarbonyloxy group, a substituted amino group, a heterocyclic group or hydroxyl group, R65 and R66, R66 and R67, and R65 and R67 may be bonded to each other to form 5- to 7-membered ring, but do not form a 2,2,6,6-tetraalkylpiperidine skeleton, not both of R65 and R66 are hydrogen atoms at the same time, and the total number of carbon atoms of R65 and R66 is 7 or more, in general formula (6), R71 represents hydrogen atom, an aliphatic group, an aryl group, a heterocyclic group, Li, Na or K, R72 represents an aliphatic group, an aryl group or a heterocyclic group, R71 and R72 may be bonded to each other to form a 5- to 7-membered ring, q represents 0, 1 or 2, provided that the total number of carbon atoms of R71 and R72 is 10 or more. |
