公开(公告)号：US11251389B2

公开(公告)日：2022-02-15

申请号：US16161802

申请日：2018-10-16

Applicant: LG DISPLAY CO., LTD.

Inventor： Kyu-Nam Kim ,  Hye-Li Min ,  Min-Surk Hyung

IPC: H01L51/50 ,  H01L51/52 ,  H01L27/32

Abstract: 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.

公开(公告)号：US11222997B2

公开(公告)日：2022-01-11

申请号：US16163066

申请日：2018-10-17

Applicant: LG Display Co., Ltd.

Inventor： Dong-Young Kim ,  Jong-Hoon Woo ,  Byung-Geol Kim ,  Hye-Li Min ,  Min-Surk Hyung

IPC: C09K11/62 ,  C09K11/02 ,  H01L33/50 ,  H01L51/50 ,  H01L51/52 ,  H01L33/28 ,  H01L33/30 ,  H01L33/34 ,  G02F1/13357 ,  H01L27/32 ,  H05B33/14 ,  C09K11/88 ,  G02B5/20 ,  G02B5/22 ,  C09K11/70 ,  H01L25/075 ,  H01L27/15 ,  G02F1/1335

Abstract: 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.

公开(公告)号：US20250145602A1

公开(公告)日：2025-05-08

申请号：US18920719

申请日：2024-10-18

Applicant: LG Display Co., Ltd.

Inventor： Min-Surk Hyung ,  Seon-Keun Yoo ,  Shin-Han Kim ,  Sang-Beom Kim

IPC: C07D413/14 ,  C07D417/14 ,  C09K11/02 ,  C09K11/06 ,  H10K50/16 ,  H10K85/30 ,  H10K85/60

Abstract: An organic compound, and an organic light emitting diode and an organic light emitting device including the same are disclosed. For example, an organic compound is represented by the following chemical formula. The organic light emitting diode and the organic light emitting device each includes the organic compound.

公开(公告)号：US11618851B2

公开(公告)日：2023-04-04

申请号：US17023852

申请日：2020-09-17

Applicant: LG DISPLAY CO., LTD.

Inventor： Min-Surk Hyung

IPC: C09K11/02 ,  H01L33/06 ,  H01L33/50 ,  H01L33/56 ,  H01L27/32 ,  H01L51/50 ,  C08G18/48 ,  C08G18/32 ,  C08G18/66 ,  C08G18/73 ,  C08G18/20 ,  C08G18/18 ,  C09K11/88 ,  C09K11/08 ,  H01L25/075 ,  H01L51/00 ,  B82Y40/00 ,  F21V8/00 ,  B82Y20/00

Abstract: 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.

公开(公告)号：US10566564B2

公开(公告)日：2020-02-18

申请号：US16160486

申请日：2018-10-15

Applicant: LG Display Co., Ltd.

Inventor： Tae-Yang Lee ,  Seul-Gi Choi ,  Min-Surk Hyung

IPC: H01L51/50 ,  H01L51/52 ,  H01L27/32 ,  G09G3/3225

Abstract: 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:M1:M2, where the A is a semiconductor nano particle or a nano inorganic particle selected from a metal oxide group, and the M1 and M2 are different from each other and represent metal positive ions which the A is doped with.