US 12,448,566 B2
Quantum dot-containing material, and composition and electronic device including the same
Chulsoon Park, Yongin-si (KR); and Donghee Lee, Yongin-si (KR)
Assigned to Samsung Display Co., Ltd., Yongin-si (KR)
Filed by Samsung Display Co., Ltd., Yongin-si (KR)
Filed on Dec. 23, 2021, as Appl. No. 17/560,951.
Claims priority of application No. 10-2021-0002580 (KR), filed on Jan. 8, 2021.
Prior Publication US 2022/0228052 A1, Jul. 21, 2022
Int. Cl. C09K 11/70 (2006.01); B82Y 20/00 (2011.01); B82Y 30/00 (2011.01); B82Y 40/00 (2011.01); C01G 15/00 (2006.01); C09K 11/02 (2006.01); H10K 50/11 (2023.01); H10K 50/115 (2023.01); H10K 59/12 (2023.01); H10K 101/10 (2023.01); H10K 102/00 (2023.01)
CPC C09K 11/70 (2013.01) [C01G 15/00 (2013.01); C09K 11/025 (2013.01); B82Y 20/00 (2013.01); B82Y 30/00 (2013.01); B82Y 40/00 (2013.01); C01P 2004/64 (2013.01); C01P 2006/60 (2013.01); H10K 50/11 (2023.02); H10K 50/115 (2023.02); H10K 59/12 (2023.02); H10K 2101/10 (2023.02); H10K 2102/00 (2023.02)] 20 Claims
OG exemplary drawing
 
1. A quantum dot-containing material comprising:
a quantum dot; and
at least one ligand chemically bonded to a surface of the quantum dot and represented by Formula 1:

OG Complex Work Unit Chemistry
wherein, in Formulae 1, 2-1, and 2-2,
Ra is an anchoring group comprising a moiety represented by —COOH, —PO3H, a dithiolane group, or —SH,
L1 is *—(CH2)n1—*′ or *—(O—CH2—CH2)n1—O—*′,
b1 is an integer from 1 to 5,
P1 is a group represented by Formula 2-1 or 2-2,
Z1 to Z3 are each independently selected from *—O—*′, *—C(═O)—*′, *—C(═O)O—*′, *—OC(═O)—*′, *—O—C(═O)—O—*′, *—OCH2—*′, *—SCH2—*′, *—CH2S—*′, *—CF2O—*′, *—OCF2—*′, *—CF2S—*′, *—SCF2—*, *—(CH2)n1—*, *—CF2CH2—*′, *—CH2CF2—*′, *—(CF2)n1—*, *—C(CH3)CN—*, *—CH═CH—*′, *—CF═CF—*′, *—C═C—*′, *—CH═CH—C(═O)O—*′, *—OC(═O)—CH═CH—*′, *—C(Q1)(Q2)—*′, and *—O—(CH2)—O(C═O)—(CH2)n2—*′,
n1 is an integer from 1 to 6, n2 is an integer from 0 to 2,
a1 to a3 are each independently an integer from 0 to 6,
R1 is *—(CH2)n3—CH3, or *—(O—CH2—CH2)n1—OH, and
n3 is an integer from 0 to 5,
wherein Q1 and Q2 are each independently selected from hydrogen, deuterium, -F,-CI,-Br,-I, a hydroxyl group, a cyano group, a nitro group, an amino group, an amidino group, a hydrazine group, a hydrazone group, a C1-C60 alkyl group, a C2-C60 alkenyl group, a C2-C60 alkynyl group, a C1-C60 alkoxy group, a C3-C10 cycloalkyl group, a C1-C10 heterocycloalkyl group, a C3-C10 cycloalkenyl group, a C1-C10 heterocycloalkenyl group, a C6-C60 aryl group, a C1-C60 heteroaryl group, a monovalent non-aromatic condensed polycyclic group, a monovalent non-aromatic condensed heteropolycyclic group, a biphenyl group, and a terphenyl group, and
* and *′ each indicate a binding site to a neighboring atom, and
wherein at least one Z3 from among a number of a3 is *—O—*, *—C(═O)—*′, *—C(═O)O—*′, *—OC(═O)—*′, *—O—C(═O)—O—*′, *—OCH2—*′, *—SCH2—*′, *—CH2S—*′, *—CF2O—*′, *—OCF2—*, *—CF2S—*′, *—SCF2—*′, *—CF2CH2—*, *—CH2CF2—*′, *—(CF2)n1—*, *—CH═CH—*′, *—CF═CF—*′, *—C═C—*′, *—CH═CH—C(═O)O—*, *—OC(═O)—CH═CH—*, *—O—(CH2)—O (C═O)—(CH2)n2—*, or *—C(Q1)(Q2)—*′, wherein Q1 and Q2 are not a cyano group.