MICRO-CAPSULE-TYPE QUANTUM DOT-POLYMER COMPOSITE PASSIVATED USING INORGANIC MATERIAL, FABRICATION METHOD OF THE COMPOSITE, OPTICAL ELEMENT INCLUDING THE COMPOSITE, AND FABRICATION METHOD OF THE OPTICAL ELEMENT

摘要

PURPOSE: A manufacturing method of a microcapsule type-type quantum dot-polymer composite provides a micro-type quantum dot-polymer composite which has excellent quantum dot dispersity and maintains quantum efficiency for long term. CONSTITUTION: A manufacturing method of a microcapsule type-type quantum dot-polymer composite comprises a step of forming a polymer solution by heating a polymer with a polar functional group on the side chain, in a first solvent (S13); a step of forming a mixture solution by adding a quantum dot dispersion in which quantum dots capped by a capping layer are dispersed into a second solvent and forming a mixture solution (S17); and a step of forming a quantum dot-polymer composite in which the quantum dots are dispersed in a polymer matrix by cooling the mixture solution (S19); a step of conducting a passivation with inorganic material on the surface of the quantum dot-polymer composite. [Reference numerals] (S11) Preparing a polymer a polar functional group on a side chain; (S13) Forming a polymer solution by heating the polymer with a polar functional group on the side chain, in a first solvent; (S15) Preparing a quantum dot dispersion in which quantum dots capped by a capping layer are dispersed into a second solvent; (S17) Forming a mixture solution by adding the quantum dot dispersion in the polymer solution; (S19) Forming a quantum dot-polymer composite by cooling the mixture solution; (S21) Conducting a passivation with inorganic material on the surface of the quantum dot-polymer composite