Lg Display Co., Ltd.

Min-Surk Hyung

Hye-Li Min

Dong-Young Kim

Byung-Geol Kim

Kyu-Nam Kim

Jong-Hoon Woo

Tae-Yang Lee

Seul-Gi Choi

The present disclosure relates to a dispersant having the following structure of Chemical Formula 1, a light emitting film in which the dispersant is adsorbed on a surface of an inorganic luminescent particle, and a light emitting diode and a light emitting device in which the light emitting film is applied into an emitting material layer and/or a color conversion film. The dispersant enables the inorganic luminescent particle to have excellent dispersion property and optical properties, and thus the light emitting diode and the light emitting device can its luminous efficiency and luminous lifetime. 

Dispersant, light emitting film, light emitting diode and light emitting device including the dispersant

A quantum dot, a quantum dot light emitting diode and a quantum dot display device are discussed. The quantum dot includes a first core including a first semiconductor material, a first shell positioned at an outer side of the first core and including a second semiconductor material, and a second core positioned between the first core and the first shell and including one of the first and second semiconductor materials and a doping metal.

Quantum dot, quantum dot light emitting diode and quantum dot display device

A luminous body includes a first moiety including a plurality of first ligands combined to a surface of an inorganic emitting particle; and a second moiety including silsesquioxanes connected to a second ligand connected to one of the first ligands, wherein one of the first and second ligands is a polar ligand, and the other one of the first and second ligands is a non-polar ligand.

Luminous body, light emitting film, light emitting diode and light emitting device having luminous body

A light emitting diode and a light emitting display device are disclosed. The light emitting diode includes a first electrode and a second electrode facing each other; and a hole transporting layer between the first electrode and the second electrode, wherein the hole transporting layer includes an inorganic compound of a chemical formula 1, A:M:M, where the A is a semiconductor nano particle or a nano inorganic particle selected from a metal oxide group, and the Mand Mare different from each other and represent metal positive ions which the A is doped with.

Growing community of inventors

Paju-si, South Korea

Min-Surk Hyung