US 11,866,630 B2
Quantum dots, compositions or composites including the same, patternized layer, and display device including the same
Taekhoon Kim, Hwaseong-si (KR); Shin Ae Jun, Seongnam-si (KR); Yong Wook Kim, Yongin-si (KR); Tae Gon Kim, Hwaseong-si (KR); and Garam Park, Seoul (KR)
Assigned to SAMSUNG DISPLAY CO., LTD., Gyeonggi-Do (KR)
Filed by Samsung Display Co., Ltd., Yongin-si (KR)
Filed on Dec. 19, 2022, as Appl. No. 18/083,722.
Application 18/083,722 is a continuation of application No. 16/950,994, filed on Nov. 18, 2020, granted, now 11,530,354.
Claims priority of application No. 10-2019-0147642 (KR), filed on Nov. 18, 2019.
Prior Publication US 2023/0119564 A1, Apr. 20, 2023
Int. Cl. C09K 11/88 (2006.01); C09K 11/08 (2006.01); C09K 11/02 (2006.01); H10K 59/38 (2023.01); G02F 1/13357 (2006.01); B82Y 20/00 (2011.01); B82Y 40/00 (2011.01)
CPC C09K 11/883 (2013.01) [C09K 11/025 (2013.01); C09K 11/0883 (2013.01); H10K 59/38 (2023.02); B82Y 20/00 (2013.01); B82Y 40/00 (2013.01); G02F 1/133617 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A quantum dot, comprising
a core comprising a first semiconductor nanocrystal comprising a Group III-V compound; and
a shell disposed on the core, the shell comprising a second semiconductor nanocrystal comprising zinc, tellurium, and selenium,
wherein the quantum dot does not comprise cadmium, and
wherein the quantum dot has a mole ratio of tellurium to selenium of greater than or equal to about 0.001:1 and less than about 0.025:1.