Samsung Display Co., Ltd.

Hongik University Industry-academia Cooperation Foundation

Nic Lab Co., Ltd.

Hannam University Institute for Industry-academia Cooperation

Yunhyuk Ko

Changhee Lee

Jaekook Ha

Yunku Jung

Sungwoon Kim

Kwangsup Lee

Jae Hong Park

Jaehoon Kim

Dukki Kim

Minki Nam

Hyunmi Doh

Jongwon Park

Junwoo Park

Myoungjin Park

Sooho Lee

Jungho Jo

Heesun Yang

Hanyoung Choi

Changho Cho

Gyeongju Kim

Dongryeol Whang

Prem Prabhakaran

Kyunghye Kim

Prabhakaran Prem

Sinil Choi

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 quantum dot includes: a nanoparticle; and a ligand represented by Formula 1 on a surface of the nanoparticle: Ais an anchoring group linked to the surface of the nanoparticle, and Amay be selected from groups represented by Formulae A-1 to A-4: wherein * in Formulae A-1 to A-4 indicates a binding site to a neighboring atom.

Quantum dot, and ink composition, light-emitting device, optical member, and apparatus including quantum dot

Provided is a light emitting element according to embodiments which includes a body including a semiconductor layer and an active layer, and a ligand including a head portion bonded to a surface of the body, an end portion spaced apart from the body, and having a positive or a negative charge, and a chain portion connecting the head portion and the end portion.

Light emitting element and display device including the same and method for manufacturing display device

Provided are a quantum dot, a method of preparing the quantum dot, an optical member including the quantum dot, and an electronic device including the quantum dot. The quantum dot includes a core including indium (In), A, and A; and a shell covering the core. Ais a Group V element, Ais a Group III element other than indium, and the core includes a first region, and a second region covering the first region. The first region does not include A, and includes indium and A, and the second region includes indium, A, and A, and indium and Aare alloyed with each other in the second region.

Quantum dot, method of preparing quantum dot, optical member including quantum dot, and electronic device including quantum dot

A light-emitting device (LED) includes a first semiconductor layer, a second semiconductor layer facing the first semiconductor layer, an insulating layer arranged to at least partially surround outer surfaces of the first semiconductor layer and the second semiconductor layer, and a first ligand bonded to a surface of the insulating layer and a second ligand bonded to the first ligand.

Light-emitting device and display apparatus including the same

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

Growing community of inventors

Yongin-si, South Korea

Yunhyuk Ko