US 11,702,593 B2
Quantum dots, and electronic devices and electronic equipments including same
Jihyun Min, Seoul (KR); Soo Kyung Kwon, Suwon-si (KR); Seon-Yeong Kim, Suwon-si (KR); Yong Wook Kim, Yongin-si (KR); Ji-Yeong Kim, Suwon-si (KR); Eun Joo Jang, 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 Feb. 26, 2021, as Appl. No. 17/186,434.
Claims priority of application No. 10-2020-0025613 (KR), filed on Feb. 28, 2020.
Prior Publication US 2021/0269715 A1, Sep. 2, 2021
Int. Cl. C09K 11/88 (2006.01); C09K 11/02 (2006.01); H10K 50/115 (2023.01); H10K 59/38 (2023.01); B82Y 40/00 (2011.01); F21V 8/00 (2006.01); G02F 1/1335 (2006.01); B82Y 20/00 (2011.01)
CPC C09K 11/883 (2013.01) [C09K 11/02 (2013.01); H10K 50/115 (2023.02); H10K 59/38 (2023.02); B82Y 20/00 (2013.01); B82Y 40/00 (2013.01); G02B 6/005 (2013.01); G02F 1/133614 (2021.01); G02F 2202/36 (2013.01)] 36 Claims
 
1. A quantum dot, comprising
a core comprising a first semiconductor nanocrystal comprising a Group II-VI compound; and
a shell disposed on an outer surface of the core and comprising a second semiconductor nanocrystal;
wherein the quantum dot does not comprise cadmium, lead, mercury, or a combination thereof, and
an effective mass of the second semiconductor nanocrystal is about 0.5 times to about 2.0 times an effective mass of the first semiconductor nanocrystal.