US 11,903,228 B2
Core shell quantum dot and electronic device including the same
Nayoun Won, Suwon-si (KR); Mi Hye Lim, Suwon-si (KR); Tae Gon Kim, Hwaseong-si (KR); Taekhoon Kim, Hwaseong-si (KR); Shang Hyeun Park, Yongin-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 Apr. 3, 2023, as Appl. No. 18/194,794.
Application 18/194,794 is a continuation of application No. 17/080,069, filed on Oct. 26, 2020, granted, now 11,621,403.
Claims priority of application No. 10-2019-0134123 (KR), filed on Oct. 25, 2019.
Prior Publication US 2023/0255043 A1, Aug. 10, 2023
Int. Cl. H10K 50/115 (2023.01); C09K 11/02 (2006.01); C09K 11/56 (2006.01); C09K 11/70 (2006.01); C09K 11/88 (2006.01)
CPC H10K 50/115 (2023.02) [C09K 11/02 (2013.01); C09K 11/565 (2013.01); C09K 11/703 (2013.01); C09K 11/883 (2013.01)] 19 Claims
OG exemplary drawing
 
1. A core shell quantum dot comprising: a semiconductor nanocrystal core comprising indium and phosphorus, and a semiconductor nanocrystal shell disposed on the semiconductor nanocrystal core, the semiconductor nanocrystal shell comprising zinc, selenium, and sulfur,
wherein the core shell quantum dot does not comprise cadmium, and
wherein the core shell quantum dot has a mole ratio sulfur to selenium of greater than or equal to about 0.05:1 to less than or equal to about 3.5:1, and a mole ratio of zinc to indium of greater than or equal to about 10:1 and less than or equal to about 24:1.