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公开(公告)号：US20230183568A1
公开(公告)日：2023-06-15
申请号：US18062727
申请日：2022-12-07
Applicant: Samsung Display Co., Ltd.
Inventor： Juo Nam , Jaebok Chang , Junehyuk Jung , Sungjae Kim , Donghee Lee , Taekjoon Lee
CPC classification number: C09K11/62 , B82Y20/00 , C09K11/64 , H01L33/504 , H01L2933/0041
Abstract: Provided are: a method of preparing a quantum dot, the method including preparing a first particle including a Group III-V compound including gallium (Ga) and treating the first particle with an aluminum (Al) composition including an aluminum (Al) precursor; a quantum dot manufactured by the method; an optical member including the quantum dot; and an electronic apparatus including the quantum dot.
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Patent Agency Ranking
2.发明公开公开(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.
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3.发明公开公开(公告)号：US20230193122A1
公开(公告)日：2023-06-22
申请号：US17960284
申请日：2022-10-05
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Junehyuk Jung , Jaebok Chang , Sungjae Kim , Juo Nam , Donghee Lee , Taekjoon Lee
CPC classification number: C09K11/025 , C09K11/883 , C09K11/0883 , B82Y20/00
Abstract: Provided are a method of preparing a quantum dot, a quantum dot prepared thereby, and an electronic apparatus including the quantum dot. The method includes: preparing a core including a Group III element, a Group V element, and gallium (Ga); and preparing a shell covering the core by using a composition for forming the shell. The composition for forming the shell includes a first additive, and the first additive is a metal halide.
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4.发明公开公开(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.-
5.发明公开公开(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
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.
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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
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.
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