公开(公告)号：US20250101300A1

公开(公告)日：2025-03-27

申请号：US18887385

申请日：2024-09-17

Applicant: Samsung Display Co., Ltd.

Inventor： Bitna Yoon ,  Sungjae Kim ,  Youngsik Kim ,  Hongrae Kim ,  Donghee Lee ,  Junehyuk Jung

IPC: C09K11/64 ,  C09K11/58 ,  C09K11/62

Abstract: Provided is a quantum dot including a quaternary core including a first-first Group I element, a first-second Group III element, and a first-third Group VI element and not including Se, and a ternary shell surrounding at least a portion of the quaternary core.

公开(公告)号：US20240301287A1

公开(公告)日：2024-09-12

申请号：US18584679

申请日：2024-02-22

Applicant: Samsung Display Co., Ltd.

Inventor： Bitna Yoon ,  Sungjae Kim ,  Youngsik Kim ,  Seungwon Park ,  Donghee Lee ,  Junehyuk Jung

IPC: C09K11/62 ,  B82Y20/00 ,  B82Y40/00 ,  H10K50/115

CPC classification number: C09K11/623 ,  C09K11/621 ,  H10K50/115 ,  B82Y20/00 ,  B82Y40/00

Abstract: A quantum dot having a narrow full width at half maximum, a manufacturing method thereof, and a light-emitting device, an optical member, and an apparatus including the quantum dot are provided.

公开(公告)号：US20240318074A1

公开(公告)日：2024-09-26

申请号：US18496793

申请日：2023-10-27

Applicant: Samsung Display Co., Ltd.

Inventor： Youngsik Kim ,  Sungjae Kim ,  Seungwon Park ,  Bitna Yoon ,  Donghee Lee ,  Junehyuk Jung

IPC: C09K11/62 ,  C09K11/58 ,  H10K50/115

CPC classification number: C09K11/621 ,  C09K11/582 ,  H10K50/115

Abstract: A quantum dot including a core represented by Formula 1, a method of manufacturing the quantum dot, and a light-emitting device and an apparatus including the quantum dot are provided:


M1aM2bM3cM4dM5e,  Formula 1



wherein M1 is a Group I metal element, M2 and M3 are each independently a Group III metal element, and M4 and M5 are each independently a Group VI element; and a is 0.05 to 0.60, b is 0 to 1.4, c is 0 to 1.4, d is 0 to 2.0, and e is 0 to 2.0.

公开(公告)号：US20240199950A1

公开(公告)日：2024-06-20

申请号：US18537079

申请日：2023-12-12

Applicant: Samsung Display Co., LTD.

Inventor： Junehyuk Jung ,  Sungjae Kim ,  Youngsik Kim ,  Seungwon Park ,  Bitna Yoon ,  Donghee Lee

IPC: C09K11/62 ,  C09K11/58

CPC classification number: C09K11/623 ,  C09K11/584

Abstract: Provided are a quantum dot, a method of preparing the same, and an electronic apparatus including the same, the quantum dot including a core including copper (Cu), a Group III element, a Group VI element, and gallium (Ga), a first shell covering the core, and a second shell covering the first shell, wherein the first shell includes a Group III-VI compound.