US 11,895,856 B2
Quantum dot composition, light emitting element and display device including the same
Yunku Jung, Cheonan-si (KR); Minki Nam, Incheon (KR); Hyunmi Doh, Seoul (KR); Yunhyuk Ko, Asan-si (KR); Sungwoon Kim, Yongin-si (KR); Jaehoon Kim, Seoul (KR); Myoungjin Park, Hwaseong-si (KR); Jae Hong Park, Seoul (KR); and Junwoo Park, Hwaseong-si (KR)
Assigned to Samsung Display Co., Ltd., Yongin-si (KR)
Filed by Samsung Display Co., Ltd., Yongin-si (KR)
Filed on Jun. 8, 2020, as Appl. No. 16/895,590.
Claims priority of application No. 10-2019-0112211 (KR), filed on Sep. 10, 2019.
Prior Publication US 2021/0074939 A1, Mar. 11, 2021
Int. Cl. C09K 11/06 (2006.01); C09K 11/02 (2006.01); C09K 11/54 (2006.01); C09K 11/56 (2006.01); H10K 50/115 (2023.01); H10K 50/00 (2023.01); H10K 50/12 (2023.01); H10K 50/844 (2023.01); H10K 50/86 (2023.01); H10K 59/38 (2023.01); H10K 71/00 (2023.01); H10K 85/30 (2023.01); H10K 85/60 (2023.01); H10K 102/10 (2023.01); H10K 102/00 (2023.01)
CPC H10K 50/115 (2023.02) [C09K 11/06 (2013.01); H10K 50/00 (2023.02); H10K 50/12 (2023.02); H10K 50/844 (2023.02); H10K 50/865 (2023.02); H10K 59/38 (2023.02); H10K 71/00 (2023.02); H10K 85/30 (2023.02); H10K 85/631 (2023.02); C09K 2211/18 (2013.01); H10K 2102/103 (2023.02); H10K 2102/351 (2023.02)] 8 Claims
OG exemplary drawing
 
1. A quantum dot composition, comprising:
a quantum dot;
an additive comprising an amine group; and
a precursor comprising an organometallic compound being at least one selected from *-M-O(O)—C—R1, *-M-S(S)—C—R1, *-M-O(O)—C—NH—R1, *-M-S(S)—C—NH—R1, *-M-O(O)—C—N—R1, *-M-S(S)—C—N—R1, *-M-O(O)—C—O—R1, *-M-S(S)—C—O—R1, *-M-O(O)—[C(O)O—C(O)O]n, and *-M-S(S)—[C(O)O—C(O)O]n,
wherein, in the precursor,
R1 is an alkyl group having 1 to 20 carbon atoms,
n is an integer of 1 to 10,
M comprises at least one selected from Cd, Zn, Ga, Pd, Cu, Ag, Au, Rh, Ir, Ru, and Os, and
“*-” refers to a position to be connected.