US 12,065,604 B2
Quantum dot composite, quantum dot, device including the same
Soo Kyung Kwon, Suwon-si (KR); Yong Wook Kim, Yongin-si (KR); Ji-Yeong Kim, Suwon-si (KR); Seon-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. 15, 2021, as Appl. No. 17/502,645.
Claims priority of application No. 10-2020-0134707 (KR), filed on Oct. 16, 2020.
Prior Publication US 2022/0119706 A1, Apr. 21, 2022
Int. Cl. C09K 11/02 (2006.01); C09K 11/88 (2006.01); G02F 1/13357 (2006.01); H01L 51/50 (2006.01); H10K 50/115 (2023.01); B82Y 20/00 (2011.01); B82Y 40/00 (2011.01)
CPC C09K 11/883 (2013.01) [C09K 11/02 (2013.01); G02F 1/133617 (2013.01); H10K 50/115 (2023.02); B82Y 20/00 (2013.01); B82Y 40/00 (2013.01)] 21 Claims
OG exemplary drawing
 
1. A quantum dot composite comprising
a matrix; and
a plurality of quantum dots and titanium oxide particles dispersed in the matrix,
wherein the quantum dots comprise zinc, selenium, and tellurium,
wherein the quantum dots do not comprise cadmium, wherein the quantum dot composite exhibits a blue light absorption of greater than or equal to about 85%, and
wherein in the quantum dot composite, a weight ratio of tellurium with respect to titanium is greater than or equal to about 1.5:1 and less than or equal to about 3.01:1.