Samsung Display Co., Ltd.

Hannam University Institute for Industry-academia Cooperation

Kwangsup Lee

Yunhyuk Ko

Changhee Lee

Sinil Choi

Gyeongju Kim

Prabhakaran Prem

Prem Prabhakaran

Dongryeol Whang

A quantum dot, a method of manufacturing the quantum dot, a composition including the quantum dot, an optical member including the quantum dot, and an electronic apparatus including the quantum dot are disclosed. The quantum dot includes: a nanomaterial; and a first ligand arranged on a surface of the nanomaterial, wherein the nanomaterial includes a core and a shell that covers at least a part of the core, wherein the first ligand includes a condensed polycyclic group in which two or more rings are condensed.

Quantum dot, method of preparing the quantum dot, composition including the quantum dot, optical member including the quantum dot, and electronic apparatus including the quantum dot

A method of preparing a quantum dot, a quantum dot prepared by the method, an optical member including the quantum dot, and an apparatus including the quantum dot. The quantum dot may include: a core including a III-V compound; a first shell surrounding the core and including ZnSe; a second shell surrounding the first shell and including ZnSeS, wherein x may be a real number greater than 0 and smaller than 1; and a third shell surrounding the second shell and including ZnS. The method may include: forming the first shell from a first material including zinc and a second material including selenium in a solution; forming the second shell by adding to the solution a third material including zinc and a fourth material including selenium and sulfur; and forming the third shell by adding to the solution a fifth material including zinc.

Method of preparing quantum dot, optical member comprising quantum dot, and apparatus comprising quantum dot

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Daejeon, South Korea

Kwangsup Lee