	US 12,232,347 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, Suwon-si (KR); Taekhoon Kim, Suwon-si (KR); Shang Hyeun Park, Suwon-si (KR); and Shin Ae Jun, Suwon-si (KR)
Assigned to SAMSUNG DISPLAY CO., LTD., Gyeonggi-Do (KR)
Filed by SAMSUNG ELECTRONICS CO., LTD., Suwon-si (KR)
Filed on Jan. 5, 2024, as Appl. No. 18/404,975.
Application 18/404,975 is a continuation of application No. 18/194,794, filed on Apr. 3, 2023, granted, now 11,903,228.
Application 18/194,794 is a continuation of application No. 17/080,069, filed on Oct. 26, 2020, granted, now 11,621,403, issued on Apr. 4, 2023.
Claims priority of application No. 10-2019-0134123 (KR), filed on Oct. 25, 2019.
Prior Publication US 2024/0172464 A1, May 23, 2024
This patent is subject to a terminal disclaimer.
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)]

20 Claims

1. A quantum dot composite comprising a polymer matrix and a core shell quantum dot in the polymer matrix, wherein the core shell quantum dot comprises 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 of 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.