Samsung Display Co., Ltd.

Sungkyunkwan University

Sooho Lee

Minki Nam

Yunku Jung

Sungwoon Kim

YunHyuk Ko

Changhee Lee

Junwoo Park

Hyunmi Doh

Yunhyuk Ko

Wanki Bae

Byeongguk Jeong

Jeongwoo Park

Wan Ki Bae

Byeong Guk Jeong

Changyeol Han

Yohan Suh

A quantum dot composition includes a quantum dot and a ligand bonded to a surface of the quantum dot, wherein the ligand includes a head portion bonded to the surface of the quantum dot, and a tail portion containing a crosslinkable functional group. The quantum dot composition according to one or more embodiments may be applied to an emission layer of a light emitting element and a display device to improve luminous efficiency and service life of the light emitting element and the display device.

Quantum dot composition, light emitting element and display device including the same

A method for producing a quantum dot composition includes providing a preliminary quantum dot composition containing a quantum dot to which a ligand is bonded and a free ligand, providing an adsorbent to the preliminary quantum dot composition, adsorbing the free ligand to the adsorbent, and removing a modified adsorbent to which the free ligand is adsorbed to provide a purified quantum dot composition. A light emitting element including the purified quantum dot composition may have superior luminous efficiency.

Method for producing quantum dot composition and method for manufacturing light emitting element including the same

Provided are a light-emitting device, an electronic apparatus including the same, and a method of manufacturing the light-emitting device, wherein the light-emitting device includes: a first electrode, a second electrode facing the first electrode, and an interlayer between the first electrode and the second electrode, wherein the interlayer includes an emission layer and an electron transport layer, the electron transport layer is between the emission layer and the second electrode, and the electron transport layer includes an electron transport particle, the electron transport particle includes a core and a shell covering the core, the core includes an oxide, a chalcogenide, or any combination thereof, and the shell includes a chalcogenide, the chalcogenide of the core being the same as or different from the chalcogenide of the shell.

Light-emitting device including electron transport particle, electronic apparatus including the same, and method of manufacturing the light-emitting device

A quantum dot includes a core and a plurality of shell layers surrounding the core. The core has a band gap less than that of the outermost shell layer, and the outermost shell layer has a band gap less than that of a second shell layer. Thus, a light emitting device including the quantum dot according to an embodiment may have an improved lifespan of the device and excellent luminous efficiency characteristics.

Quantum dot and lighting emitting device comprising the same

An electronic device includes a semiconductor nanoparticle, and a method of manufacturing the semiconductor nanoparticle is additionally provided. The semiconductor nanoparticle includes: a core including a first element; and a shell covering at least a portion of a surface of the core and including a second element and a third element, wherein the first element, the second element, and the third element are different from each other, and the first element and the second element are chemically bonded to each other on the at least a portion of the surface of the core.

Semiconductor nanoparticles, electronic device including the same, and method for manufacturing semiconductor nanoparticles

Growing community of inventors

Yongin-si, South Korea

Sooho Lee