公开(公告)号：US12122952B2

公开(公告)日：2024-10-22

申请号：US17448820

申请日：2021-09-24

Applicant: Samsung Display Co., Ltd.

Inventor： Myoungjin Park ,  Yunku Jung ,  Jonghoon Kim ,  Sungwoon Kim ,  Jaekook Ha

IPC: C09K11/02 ,  C09K11/08 ,  C09K11/54 ,  C09K11/56 ,  C09K11/88 ,  H10K71/13 ,  H10K71/15 ,  B82Y20/00 ,  B82Y30/00 ,  B82Y40/00 ,  H10K50/11 ,  H10K50/115 ,  H10K71/00 ,  H10K101/10 ,  H10K102/00

CPC classification number: C09K11/883 ,  C09K11/54 ,  H10K71/135 ,  H10K71/15 ,  B82Y20/00 ,  B82Y30/00 ,  B82Y40/00 ,  H10K50/11 ,  H10K50/115 ,  H10K71/00 ,  H10K2101/10 ,  H10K2102/00

Abstract: An inorganic nanoparticle composition includes an inorganic nanoparticle and a highly fluorinated solvent, and the inorganic nanoparticle includes an inorganic material and a F-containing charge-transporting organic ligand. A light-emitting device with the inorganic nanoparticle composition, for example, as a material for forming at least a portion of an electron transport region in the light-emitting device. An electronic apparatus includes the light-emitting device.

公开(公告)号：US20230284523A1

公开(公告)日：2023-09-07

申请号：US18149432

申请日：2023-01-03

Applicant: Samsung Display Co., Ltd.

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

IPC: H10K85/60 ,  H10K71/10

CPC classification number: H10K85/655 ,  H10K71/10 ,  H10K85/60 ,  H10K50/115

Abstract: Provided is a light-emitting device including: a first electrode; a second electrode facing the first electrode; an interlayer between the first electrode and the second electrode, the interlayer including an emission layer; and an electron transport region between the second electrode and the emission layer, wherein the first electrode may be an anode, the second electrode may be a cathode, and the electron transport region may include an acid generator.

公开(公告)号：US20230422537A1

公开(公告)日：2023-12-28

申请号：US18193218

申请日：2023-03-30

Applicant: Samsung Display Co., Ltd.

Inventor： Jonghoon Kim ,  Sehun Kim ,  Changhee Lee ,  Jingoo Kang ,  Yonghwi Kim ,  Myoungjin Park ,  Jaekook Ha

IPC: H10K50/115 ,  H10K50/16 ,  H10K50/15 ,  H10K50/00 ,  H10K50/828 ,  H10K85/60

CPC classification number: H10K50/115 ,  H10K50/16 ,  H10K50/15 ,  H10K50/401 ,  H10K50/828 ,  H10K85/626 ,  H10K85/6572 ,  H10K85/633 ,  H10K2102/103

Abstract: Provided is a light-emitting device including: a first electrode; a second electrode facing the first electrode; and an interlayer between the first electrode and the second electrode and including an emission layer, wherein the emission layer includes: a first emission layer including a first quantum dot and a p-type compound; and a second emission layer including a second quantum dot and an n-type compound, the second emission layer is in a direction of the first electrode, and the first electrode is a cathode.

公开(公告)号：US20230217676A1

公开(公告)日：2023-07-06

申请号：US18146944

申请日：2022-12-27

Applicant: Samsung Display Co., Ltd.

Inventor： Heunggyu Kim ,  Sehun Kim ,  Myoungjin Park ,  Soohyun Park ,  Eunho Song ,  Yonghan Lee ,  Changhee Lee ,  Junghwan Lim ,  Jaekook Ha

IPC: H10K50/16 ,  H10K71/00 ,  H10K59/35 ,  H10K85/60

CPC classification number: H01L51/508 ,  H01L51/56 ,  H01L27/3211 ,  H01L51/0056 ,  H01L51/0074 ,  H01L51/005 ,  H01L27/3244

Abstract: A light-emitting device having an electron transport layer that includes a first electron transport layer including an inorganic oxide and a second electron transport layer including an organic material is provided. The first electrode is a reflective electrode.

公开(公告)号：US20230131817A1

公开(公告)日：2023-04-27

申请号：US17933670

申请日：2022-09-20

Applicant: Samsung Display Co., Ltd.

Inventor： Jiyoon Kim ,  Changhee Lee ,  Myoungjin Park

IPC: H01L51/52 ,  H01L51/50 ,  H01L51/56

Abstract: Provided are a light-emitting device, a manufacturing method thereof and an electronic apparatus including the same, the light-emitting device including: a first electrode; a second electrode facing the first electrode; a middle region including an emission layer between the first electrode and the second electrode and an electron transport region between the second electrode and the emission layer; and an anti-oxidation layer between the second electrode and the electron transport region. The electron transport region includes an inorganic electron transport layer that comprises a metal oxide layer including a metal oxide.

公开(公告)号：US20220098484A1

公开(公告)日：2022-03-31

申请号：US17448820

申请日：2021-09-24

Applicant: Samsung Display Co., Ltd.

Inventor： Myoungjin Park ,  Yunku Jung ,  Jonghoon Kim ,  Sungwoon Kim ,  Jaekook Ha

IPC: C09K11/88 ,  H01L51/00 ,  C09K11/54

Abstract: An inorganic nanoparticle composition includes an inorganic nanoparticle and a highly fluorinated solvent, and the inorganic nanoparticle includes an inorganic material and a F-containing charge-transporting organic ligand. A light-emitting device with the inorganic nanoparticle composition, for example, as a material for forming at least a portion of an electron transport region in the light-emitting device. An electronic apparatus includes the light-emitting device.

公开(公告)号：US20240206219A1

公开(公告)日：2024-06-20

申请号：US18465289

申请日：2023-09-12

Applicant: Samsung Display Co., Ltd.

Inventor： Jonghoon Kim ,  Changhee Lee ,  Jingoo Kang ,  Sehun Kim ,  Yonghwi Kim ,  Myoungjin Park ,  Jongwoo Shin ,  Juyon Lee ,  Jaekook Ha

IPC: H10K50/16 ,  C09K11/02 ,  C09K11/54 ,  C09K11/88 ,  H10K50/115 ,  H10K71/15

CPC classification number: H10K50/16 ,  C09K11/02 ,  C09K11/54 ,  C09K11/88 ,  H10K50/115 ,  H10K71/15

Abstract: An electron transport layer including a mixed composition including a solvent, a metal oxide, and a metal halogen compound.

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.

公开(公告)号：US20230284521A1

公开(公告)日：2023-09-07

申请号：US18178842

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 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 a thermal acid generator.

公开(公告)号：US10916603B2

公开(公告)日：2021-02-09

申请号：US16139366

申请日：2018-09-24

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Myoungjin Park ,  Youngji Kim ,  Youngseo Choi

IPC: H01L27/32 ,  H01L51/52 ,  H01L51/50 ,  G09G3/3291 ,  H01L51/56 ,  G09G3/3266

Abstract: A display device includes a substrate that includes a display region and a non-display region that surrounds the display region, a plurality of pixels disposed on the display region of the substrate, a plurality of dam members disposed on the non-display region of the substrate that surround the display region, a first encapsulation layer disposed on the substrate that covers the pixels and the dam members, and a second encapsulation layer disposed on the first encapsulation layer and in a region between the display region and a dam member of the plurality of the dam members that is adjacent to the display region. A surface roughness of a top surface of the second encapsulation layer is greater than a surface roughness of a top surface of the first encapsulation layer.