US 11,987,739 B2
Core shell quantum dot, production method thereof, and electronic device including the same
Seon-Yeong Kim, Suwon-si (KR); Soo Kyung Kwon, Suwon-si (KR); Yong Wook Kim, Yongin-si (KR); Ji-Yeong Kim, Suwon-si (KR); Jihyun Min, Seoul (KR); Sungwoo Hwang, Suwon-si (KR); and Eun Joo Jang, Suwon-si (KR)
Assigned to SAMSUNG ELECTRONICS CO., LTD., Gyeonggi-Do (KR)
Filed by SAMSUNG ELECTRONICS CO., LTD., Suwon-si (KR)
Filed on May 16, 2023, as Appl. No. 18/318,053.
Application 18/318,053 is a continuation of application No. 17/072,335, filed on Oct. 16, 2020, granted, now 11,692,136.
Claims priority of application No. 10-2019-0129447 (KR), filed on Oct. 17, 2019.
Prior Publication US 2023/0287269 A1, Sep. 14, 2023
Int. Cl. C09K 11/88 (2006.01); C01G 9/00 (2006.01); C01G 9/08 (2006.01); C09K 11/06 (2006.01); C09K 11/54 (2006.01); C09K 11/56 (2006.01); G02F 1/13357 (2006.01); H10K 59/38 (2023.01); F21V 8/00 (2006.01); G02F 1/1335 (2006.01)
CPC C09K 11/883 (2013.01) [C01G 9/006 (2013.01); C01G 9/08 (2013.01); C09K 11/06 (2013.01); C09K 11/54 (2013.01); C09K 11/565 (2013.01); G02F 1/133621 (2013.01); H10K 59/38 (2023.02); C01P 2004/64 (2013.01); C01P 2004/90 (2013.01); C01P 2006/60 (2013.01); G02B 6/005 (2013.01); G02F 1/133614 (2021.01); G02F 2202/36 (2013.01)] 23 Claims
OG exemplary drawing
 
1. Quantum dots comprising a first semiconductor nanocrystal, the first semiconductor nanocrystal comprising zinc, tellurium, and selenium;
wherein the quantum dots do not comprise cadmium,
wherein the quantum dots further comprise chlorine, and in the quantum dots, a mole ratio of chlorine with respect to tellurium is greater than or equal to about 0.01:1, and a mole ratio of tellurium to selenium is greater than 0.05:1 and less than or equal to 5:1, and
wherein a quantum efficiency of the quantum dots is greater than or equal to about 10%.