公开(公告)号：US20250081683A1

公开(公告)日：2025-03-06

申请号：US18804931

申请日：2024-08-14

Applicant: Samsung Display Co., LTD.

Inventor： SEUNG-WON PARK ,  KYUNGSIG LEE ,  JUO NAM ,  KAWON PAK ,  TAEKJOON LEE ,  SEUNGHEE JANG ,  JAEBOK CHANG

IPC: H01L33/50 ,  H01L25/075

Abstract: A display device includes a first light emitting element group including at least one first light emitting element emitting a first light having a central wavelength greater than 450 nm and less than about 485 nm, a second light emitting element group including at least one second light emitting element emitting a second light having a central wavelength of about 450 nm or less, a third light emitting element group including at least one third light emitting element emitting a third light having a central wavelength of about 450 nm or less, and a color conversion layer disposed on the first, the second, and the third light emitting element group and including a first color conversion pattern which converts the second light emitted from the second light emitting element group and a second color conversion pattern which converts the third light emitted from the third light emitting element group.

公开(公告)号：US20240172551A1

公开(公告)日：2024-05-23

申请号：US18448412

申请日：2023-08-11

Applicant: Samsung Display Co., Ltd.

Inventor： SEUNGHEE JANG ,  JAEBOK CHANG ,  JUO NAM ,  KAWON PAK ,  KYUNGSIG LEE

IPC: H10K85/10 ,  C09K11/02 ,  C09K11/06 ,  C09K11/70 ,  H01L33/50

CPC classification number: H10K85/151 ,  C09K11/02 ,  C09K11/06 ,  C09K11/70 ,  H01L33/504 ,  H01L33/505 ,  H10K85/141 ,  C09K2211/10 ,  H01L2933/0041

Abstract: Embodiments provide a quantum dot complex that includes a quantum dot, and ligands bonded to a surface of the quantum dot, wherein the ligands include a first ligand including a first acid functional group, a second ligand including a second acid functional group and different from the first acid functional group, and a third ligand including a thiol group, wherein a sum of the first ligand and the second ligand contained in the ligands is in a range of 40% by weight to 45% by weight, based on a total weight of the ligands, and a content of the third ligand in the ligands is in a range of 15% by weight to 20% by weight, based on the total weight of the ligands.

公开(公告)号：US20250107385A1

公开(公告)日：2025-03-27

申请号：US18651498

申请日：2024-04-30

Applicant: Samsung Display Co., LTD.

Inventor： KYUNGSIG LEE ,  JUO NAM ,  KAWON PAK ,  SEUNG-WON PARK ,  TAEKJOON LEE ,  SEUNGHEE JANG ,  JAEBOK CHANG

IPC: H10K59/38 ,  B82Y20/00 ,  B82Y40/00 ,  C09K11/02 ,  C09K11/08 ,  C09K11/62 ,  C09K11/88

Abstract: A display device includes a light emitting element on a substrate and that generates light of a preset color and a color conversion layer on the light emitting element and including a first quantum dot that exhibits a first absorption peak in a UV-vis absorption spectrum and a second quantum dot that is different from the first quantum dot and does not exhibit a first absorption peak in a UV-vis absorption spectrum.

公开(公告)号：US20240368414A1

公开(公告)日：2024-11-07

申请号：US18651807

申请日：2024-05-01

Applicant: Samsung Display Co., Ltd.

Inventor： KYUNGSIG LEE ,  Joon-Hyung KIM ,  JUO NAM ,  KAWON PAK ,  SEUNGHEE JANG ,  JAEBOK CHANG

IPC: C09D11/03 ,  C09D11/101 ,  C09D11/50 ,  C09K11/06 ,  H10K59/38

Abstract: Embodiments provide an ink composition and a display device. The ink composition includes a quantum dot, a first monomer that is an acrylate-based monomer, a second monomer, a scatterer, and an initiator. The second monomer is represented by Formula 1 or Formula 1-A, which are explained in the specification:

公开(公告)号：US20240301283A1

公开(公告)日：2024-09-12

申请号：US18529005

申请日：2023-12-05

Applicant: Samsung Display Co., Ltd.

Inventor： KAWON PAK ,  JUO NAM ,  KYUNGSIG LEE ,  SEUNGHEE JANG ,  JAEBOK CHANG

IPC: C09K11/06 ,  B82Y20/00 ,  B82Y40/00 ,  C09K11/02 ,  H10K50/115 ,  H10K59/38

CPC classification number: C09K11/06 ,  C09K11/025 ,  H10K50/115 ,  H10K59/38 ,  B82Y20/00 ,  B82Y40/00 ,  C09K2211/10 ,  C09K2211/14

Abstract: Embodiments provide a quantum dot complex including a quantum dot, a ligand which is bonded on the surface of the quantum dot and contains a hydrophilic group, and a protective layer which is bonded on the surface of the quantum dot and contains an aluminum oxide. Embodiments also provide a display device which includes the quantum dot complex.