公开(公告)号：US11780790B2

公开(公告)日：2023-10-10

申请号：US17248436

申请日：2021-01-25

Applicant: Samsung Display Co., Ltd.

Inventor： Junwoo Park

IPC: C07C11/21 ,  H10K71/13 ,  H10K85/10 ,  H10K85/60 ,  H10K50/15 ,  H10K50/16 ,  H10K50/18 ,  H10K50/17

CPC classification number: C07C11/21 ,  H10K71/135 ,  H10K85/141 ,  H10K85/615 ,  H10K85/631 ,  H10K50/15 ,  H10K50/16 ,  H10K50/171 ,  H10K50/18

Abstract: An organic light emitting device of an embodiment of the present disclosure includes a first electrode, a hole transport region, an emission layer, an electron transport region, and a second electrode, stacked one by one, wherein the hole transport region includes a hole transport material derived from a crosslinking agent compound represented by Formula 1. The organic light emitting device may be manufactured through a wet process, and the emission efficiency and driving voltage properties of the organic light emitting device may be improved.

公开(公告)号：US20220213379A1

公开(公告)日：2022-07-07

申请号：US17546289

申请日：2021-12-09

Applicant: Samsung Display Co., Ltd.

Inventor： Junwoo Park

IPC: C09K11/02 ,  C09K11/88 ,  C09K11/08 ,  C09D11/50 ,  C09D11/037 ,  C09D11/101 ,  C09D11/106 ,  H01L51/50

Abstract: Disclosed are a quantum dot-containing material, a method of preparing the quantum dot-containing material, a cross-linked material of the quantum dot-containing material, and a method of preparing the same, and a light-emitting device comprising the quantum dot-containing material. The quantum dot-containing material may include a quantum dot and an organic group chemically bound to a surface of the quantum dot, the organic group may include an azide group and a charge transport group, and the charge transport group may not be an unsubstituted benzene group.

公开(公告)号：US10921646B2

公开(公告)日：2021-02-16

申请号：US16591370

申请日：2019-10-02

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Junwoo Park ,  Oseung Yang

IPC: G02F1/13357

Abstract: A display device includes a base substrate, a display panel disposed on a first surface of the base substrate, a low-refractive index layer disposed between the first surface and the display panel, a plurality of light source units disposed under a second surface opposite to the first surface of the base substrate, and a plurality of housings that define accommodation recesses and which respectively accommodate the light source units in the accommodation recesses. The light source units are exposed to the base substrate through the accommodation grooves, and the housings are connected to the second surface.

公开(公告)号：US12178115B2

公开(公告)日：2024-12-24

申请号：US17450160

申请日：2021-10-06

Applicant: Samsung Display Co., Ltd.

Inventor： Junwoo Park

IPC: H10K85/10 ,  H10K71/13 ,  H10K50/11 ,  H10K50/15 ,  H10K50/16 ,  H10K50/17 ,  H10K71/00

Abstract: A light emitting element includes a first electrode, a hole transport region on the first electrode, an emission layer on the hole transport region and containing a light emitting polymer compound derived from a mixture of a polyphenylene vinylene-based compound having a weight average molecular weight of about 1.3×106 to about 1.6×106 and an organic compound represented by Formula 1, and a second electrode on the emission layer, wherein, the mixture contains the polyphenylene vinylene-based compound and the organic compound in a molar ratio of about 9:1 to about 8:2, and the light emitting element may thus include an emission layer having improved flexibility and strength.

公开(公告)号：US11955468B2

公开(公告)日：2024-04-09

申请号：US16932591

申请日：2020-07-17

Applicant: Samsung Display Co., Ltd.

Inventor： Yunku Jung ,  Sungwoon Kim ,  Changhee Lee ,  Jaekook Ha ,  Yunhyuk Ko ,  Jaehoon Kim ,  Minki Nam ,  Hyunmi Doh ,  Myoungjin Park ,  Jae Hong Park ,  Junwoo Park

IPC: H01L25/16 ,  H01L23/00 ,  H01L33/44

CPC classification number: H01L25/167 ,  H01L24/32 ,  H01L24/83 ,  H01L33/44 ,  H01L2224/32137 ,  H01L2224/80143 ,  H01L2224/83085 ,  H01L2224/83896 ,  H01L2924/12041

Abstract: 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.

公开(公告)号：US20230284522A1

公开(公告)日：2023-09-07

申请号：US18178902

申请日：2023-03-06

Applicant: Samsung Display Co., Ltd.

Inventor： Juyon Lee ,  Jingoo Kang ,  Sehun Kim ,  Yonghwi Kim ,  Jonghoon Kim ,  Myoungjin Park ,  Junwoo Park ,  Sanghee Yu ,  Jaekook Ha

IPC: H10K85/60

CPC classification number: H10K85/611 ,  H10K50/16

Abstract: A light-emitting device, including: a substrate; a cathode disposed on the substrate; an anode facing the cathode; and an interlayer including an emission layer, wherein the interlayer is located between the cathode and the anode, and wherein the light-emitting device further includes a photoacid generator.

公开(公告)号：US20230284471A1

公开(公告)日：2023-09-07

申请号：US18164928

申请日：2023-02-06

Applicant: Samsung Display Co., Ltd.

Inventor： Juyon Lee ,  Yonghwi Kim ,  Jonghoon Kim ,  Myoungjin Park ,  Junwoo Park

IPC: H10K50/16 ,  H10K50/15 ,  H10K50/115 ,  H10K71/13 ,  H10K59/122 ,  C09K11/08 ,  H10K85/60 ,  G03F7/004

CPC classification number: H10K50/16 ,  H10K50/15 ,  H10K50/115 ,  H10K71/135 ,  H10K59/122 ,  C09K11/0805 ,  H10K85/60 ,  H10K85/631 ,  H10K85/6572 ,  G03F7/0045

Abstract: A light-emitting device including a substrate; a first electrode disposed on the substrate; a second electrode facing the first electrode; an interlayer disposed between the first electrode and the second electrode, wherein the interlayer includes an emission layer; and an antioxidant, wherein the first electrode is a cathode, and the second electrode is an anode.

公开(公告)号：US09472770B2

公开(公告)日：2016-10-18

申请号：US14656148

申请日：2015-03-12

Applicant: SAMSUNG DISPLAY CO., LTD. ,  Korea Advanced Institute Of Science and Technology

Inventor： Jaekook Ha ,  Bumjoon Kim ,  Junwoo Park ,  Changyeon Lee

IPC: H01L51/00 ,  C07D487/14 ,  H01L27/32 ,  C08F26/02 ,  C08F26/06 ,  H01L51/50

CPC classification number: H01L51/0072 ,  C07D487/14 ,  C08F12/26 ,  C08F26/02 ,  C08F26/06 ,  C09D125/18 ,  H01L27/3248 ,  H01L51/004 ,  H01L51/0043 ,  H01L51/0061 ,  H01L51/0077 ,  H01L51/5056 ,  C08F212/14 ,  C08F212/32

Abstract: A compound for preparing a hole transport layer, an organic light-emitting device, and a flat display apparatus, the compound including a —N3 moiety.

Abstract translation: 用于制备空穴传输层的化合物，有机发光装置和平面显示装置，所述化合物包括-N 3部分。

公开(公告)号：US12178114B2

公开(公告)日：2024-12-24

申请号：US16599212

申请日：2019-10-11

Applicant: Samsung Display Co., Ltd.

Inventor： Junwoo Park ,  Dukki Kim ,  Jaeyun Kim ,  Dongwoo Shin ,  Jaekook Ha

IPC: H01L51/54 ,  H10K85/10 ,  H10K50/15

Abstract: Provided are an azide-based compound, an organic light-emitting device including the azide-based compound, and a method of manufacturing the organic light-emitting device.

公开(公告)号：US11895856B2

公开(公告)日：2024-02-06

申请号：US16895590

申请日：2020-06-08

Applicant: Samsung Display Co., Ltd.

Inventor： Yunku Jung ,  Minki Nam ,  Hyunmi Doh ,  Yunhyuk Ko ,  Sungwoon Kim ,  Jaehoon Kim ,  Myoungjin Park ,  Jae Hong Park ,  Junwoo Park

IPC: C09K11/06 ,  C09K11/02 ,  C09K11/54 ,  C09K11/56 ,  H10K50/115 ,  H10K50/00 ,  H10K50/12 ,  H10K50/844 ,  H10K50/86 ,  H10K59/38 ,  H10K71/00 ,  H10K85/30 ,  H10K85/60 ,  H10K102/10 ,  H10K102/00

CPC classification number: H10K50/115 ,  C09K11/06 ,  H10K50/00 ,  H10K50/12 ,  H10K50/844 ,  H10K50/865 ,  H10K59/38 ,  H10K71/00 ,  H10K85/30 ,  H10K85/631 ,  C09K2211/18 ,  H10K2102/103 ,  H10K2102/351

Abstract: A quantum dot composition includes a quantum dot, a ligand to bind to a surface of the quantum dot, an additive having an amine group, and a precursor comprising an organometallic compound, the composition forming a modified quantum dot having a reformed surface characteristic. A light emitting element including the modified quantum dot may have improved lifespan, luminous efficiency, and material stability.