US 11,912,911 B2
Quantum dot, curable composition comprising the same, cured layer using the composition and color filter including the cured layer
Yonghee Kang, Suwon-si (KR); Jonggi Kim, Suwon-si (KR); Jihyeon Yim, Suwon-si (KR); Dongjun Kim, Suwon-si (KR); Misun Kim, Suwon-si (KR); Minjee Park, Suwon-si (KR); Bumjin Lee, Suwon-si (KR); Injae Lee, Suwon-si (KR); and Mi Jeong Choi, Suwon-si (KR)
Assigned to Samsung SDI Co., Ltd., Yongin-si (KR)
Filed by Samsung SDI Co., Ltd., Yongin-si (KR)
Filed on Sep. 22, 2020, as Appl. No. 17/028,858.
Claims priority of application No. 10-2019-0127124 (KR), filed on Oct. 14, 2019.
Prior Publication US 2021/0108135 A1, Apr. 15, 2021
Int. Cl. C09K 11/02 (2006.01); C09K 11/06 (2006.01); C09K 11/54 (2006.01); C01G 9/00 (2006.01); C08K 5/56 (2006.01); G02B 5/22 (2006.01); C08F 222/10 (2006.01); C08F 2/50 (2006.01); C08K 5/5397 (2006.01); C08K 3/22 (2006.01); B82Y 30/00 (2011.01); B82Y 20/00 (2011.01)
CPC C09K 11/02 (2013.01) [C01G 9/00 (2013.01); C08F 2/50 (2013.01); C08F 222/104 (2020.02); C08K 3/22 (2013.01); C08K 5/5397 (2013.01); C08K 5/56 (2013.01); C09K 11/54 (2013.01); G02B 5/223 (2013.01); B82Y 20/00 (2013.01); B82Y 30/00 (2013.01); C08K 2003/2241 (2013.01); C08K 2201/011 (2013.01)] 21 Claims
 
1. A quantum dot surface-modified with a compound represented by Chemical Formula 1 or Chemical Formula 2:

OG Complex Work Unit Chemistry
wherein, in Chemical Formula 1 and Chemical Formula 2,
M is a metal atom,
L is a monovalent or divalent functional group comprising a substituted or unsubstituted C1 to C20 oxyalkylene group,
L1 is an oxygen atom, a sulfur atom, *—C(═O)O—*, or *—OC(═O)—*,
L2 and L3 are each independently *—C(═O)O—* or *—OC(═O)—*, and
n is an integer of 2 to 4,
wherein the compound represented by Chemical Formula 1 contains only one metal atom.