	US 11,697,764 B2
	Quantum dots, and composite and display device including the same
Tae Gon Kim, Hwaseong-si (KR); Jongmin Lee, Hwaseong-si (KR); Jooyeon Ahn, Suwon-si (KR); Hyeyeon Yang, Suwon-si (KR); and Shin Ae Jun, Seongnam-si (KR)
Assigned to SAMSUNG ELECTRONICS CO., LTD., Gyeonggi-Do (KR)
Filed by SAMSUNG ELECTRONICS CO., LTD., Suwon-si (KR)
Filed on Mar. 12, 2021, as Appl. No. 17/199,616.
Claims priority of application No. 10-2020-0031617 (KR), filed on Mar. 13, 2020.
Prior Publication US 2021/0284908 A1, Sep. 16, 2021
Int. Cl. C09K 11/70 (2006.01); C09K 11/02 (2006.01); C09K 11/62 (2006.01); C22C 30/06 (2006.01); G02F 1/017 (2006.01); B82Y 30/00 (2011.01); H10K 59/38 (2023.01); B82Y 20/00 (2011.01); B82Y 40/00 (2011.01); G02F 1/13357 (2006.01)

CPC C09K 11/703 (2013.01) [B82Y 30/00 (2013.01); C09K 11/025 (2013.01); C09K 11/623 (2013.01); C22C 30/06 (2013.01); G02F 1/01791 (2021.01); H10K 59/38 (2023.02); B82Y 20/00 (2013.01); B82Y 40/00 (2013.01); G02F 1/133617 (2013.01)]

28 Claims

1. A quantum dot comprising an alloy semiconductor nanocrystal comprising indium, gallium, zinc, phosphorus, and sulfur,

wherein in the quantum dot, a mole ratio of gallium with respect to indium is greater than or equal to about 0.2:1,

wherein in the quantum dot, a mole ratio of phosphorus with respect to indium is greater than or equal to about 0.95:1,

wherein the quantum dot does not comprise cadmium, and

wherein in an ultraviolet-visible absorption spectrum of the quantum dot, a first absorption peak is present in a range of less than or equal to about 520 nanometers.