An ink composition, a light conversion layer and a light emitting device are provided. The resin composition includes a quantum dot (A), a first resin (B1), a second resin (B2), an ethylenically unsaturated monomer (C), an initiator (D) and a solvent (E). The first resin (B1) is an alkali-insoluble resin, and the second resin (B2) is an alkali-soluble resin. The first resin (B1) includes a compound represented by the following Formula (1): In Formula (1), n is an integer from 1 to 10, X is benzene, toluene or naphthalene, and Y is toluene, methylnaphthalene, tetrahydrodicyclopentadiene, or 4,4′-dimethyl-1,1′-biphenyl.