Invention Grant
- Patent Title: Quantum dot composition, light emitting element and display device including the same
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Application No.: US16895590Application Date: 2020-06-08
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Publication No.: US11895856B2Publication Date: 2024-02-06
- Inventor: Yunku Jung , Minki Nam , Hyunmi Doh , Yunhyuk Ko , Sungwoon Kim , Jaehoon Kim , Myoungjin Park , Jae Hong Park , Junwoo Park
- Applicant: Samsung Display Co., Ltd.
- Applicant Address: KR Yongin-si
- Assignee: Samsung Display Co., Ltd.
- Current Assignee: Samsung Display Co., Ltd.
- Current Assignee Address: KR Yongin-si
- Agency: Lewis Roca Rothgerber Christie LLP
- Priority: KR 20190112211 2019.09.10
- Main IPC: C09K11/06
- 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

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.
Public/Granted literature
- US20210074939A1 QUANTUM DOT COMPOSITION, LIGHT EMITTING ELEMENT AND DISPLAY DEVICE INCLUDING THE SAME Public/Granted day:2021-03-11
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