	US 11,718,789 B2
	Quantum dots and device including the same
Seon-Yeong Kim, Suwon-si (KR); Yong Wook Kim, Yongin-si (KR); Soo Kyung Kwon, Suwon-si (KR); Ji-Yeong Kim, Suwon-si (KR); and Sungwoo Hwang, Suwon-si (KR)
Assigned to SAMSUNG ELECTRONICS CO., LTD., Gyeonggi-Do (KR)
Filed by SAMSUNG ELECTRONICS CO., LTD., Suwon-si (KR)
Filed on Oct. 18, 2021, as Appl. No. 17/503,436.
Claims priority of application No. 10-2020-0134705 (KR), filed on Oct. 16, 2020.
Prior Publication US 2022/0119708 A1, Apr. 21, 2022
Int. Cl. C09K 11/88 (2006.01); C01B 19/04 (2006.01); C01G 9/00 (2006.01); C09K 11/70 (2006.01); H10K 50/115 (2023.01); C09K 11/74 (2006.01); B82Y 20/00 (2011.01); B82Y 40/00 (2011.01); H10K 102/00 (2023.01)

CPC C09K 11/883 (2013.01) [C01B 19/04 (2013.01); C01G 9/006 (2013.01); C09K 11/70 (2013.01); C09K 11/703 (2013.01); C09K 11/7414 (2013.01); H10K 50/115 (2023.02); B82Y 20/00 (2013.01); B82Y 40/00 (2013.01); C01P 2004/64 (2013.01); C01P 2006/60 (2013.01); H10K 2102/00 (2023.02)]

20 Claims

1. A quantum dot comprising:

a core comprising a first semiconductor nanocrystal; and

a semiconductor nanocrystal shell disposed on the core,

wherein

the first semiconductor nanocrystal comprises a Group IIB-VI compound and the semiconductor nanocrystal shell comprises a Group IIB-V compound,

the quantum dot does not comprise cadmium, and

a quantum efficiency of the quantum dot is greater than or equal to about 60%.