公开(公告)号：US20190115507A1

公开(公告)日：2019-04-18

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: H01L33/50 ,  H01L27/32 ,  H01L51/50 ,  H01L51/52 ,  H01L33/28 ,  H01L33/30 ,  H01L33/34 ,  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：US20190115550A1

公开(公告)日：2019-04-18

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 ,  H01L27/32 ,  H01L51/52

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：US20210095193A1

公开(公告)日：2021-04-01

申请号：US17023852

申请日：2020-09-17

Applicant: LG DISPLAY CO., LTD.

Inventor： Min-Surk HYUNG

IPC: C09K11/02 ,  H01L25/075 ,  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

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：US20190115556A1

公开(公告)日：2019-04-18

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.

公开(公告)号：US20230209859A1

公开(公告)日：2023-06-29

申请号：US17981171

申请日：2022-11-04

Applicant: LG Display Co., Ltd.

Inventor： Jeong-Dae SEO ,  Shin-Han KIM ,  Min-Surk HYUNG ,  Kyu-Il HAN ,  Jin-Ho PARK ,  Seung-Kwang ROH ,  Sun-Kap KWON

IPC: H01L51/50 ,  C07D471/14 ,  H01L51/00

CPC classification number: H01L51/5072 ,  H01L51/5004 ,  C07D471/14 ,  H01L51/0067

Abstract: An organic light emitting diode includes a first emitting part including a first emitting material layer (EML) and a first electron transporting layer (ETL), a second emitting part including a second EML and between the first emitting part and the second electrode, an n-type charge generation layer (CGL) contacting the first ETL and between the first ETL and the second emitting part, and a p-type CGL contacting the n-type CGL and between the n-type CGL and the second emitting part. The first ETL includes a first compound, and the n-type CGL includes a second compound and an n-type dopant. A lowest unoccupied molecular orbital (LUMO) energy level of the first compound can be higher than a LUMO energy level of the second compound.

公开(公告)号：US20230189640A1

公开(公告)日：2023-06-15

申请号：US17986355

申请日：2022-11-14

Applicant: LG DISPLAY CO., LTD. ,  JINWOONG INDUSTRIAL CO., LTD.

Inventor： Shin-Han KIM ,  Min-Surk HYUNG ,  Jeong-Dae SEO ,  Eun-Been JEONG ,  So-Hee LEE ,  Yu-Jeong JANG ,  Keum-Hee LEE ,  Moon-Bae KIM ,  Seok-Ho NA

IPC: H01L51/00 ,  H01L27/32 ,  H01L51/50 ,  C07D401/04 ,  C07D401/14 ,  C07D409/14 ,  C07D405/14

CPC classification number: H01L51/0067 ,  H01L27/322 ,  H01L51/5036 ,  C07D401/04 ,  C07D401/14 ,  C07D409/14 ,  C07D405/14

Abstract: An organic light emitting diode includes a first electrode; a second electrode facing the first electrode; a first emitting material layer between the first and second electrodes; and a first intermediate organic layer between the first emitting material layer and the second electrode and including a first organic layer and a second organic layer between the first organic layer and the second electrode, wherein the first organic layer includes a first compound represented by Formula.