	US 12,473,487 B2
	Method of preparing quantum dot, quantum dot, and electronic apparatus including the quantum dot
Junehyuk Jung, Yongin-si (KR); Jaebok Chang, Yongin-si (KR); Sungjae Kim, Yongin-si (KR); Juo Nam, Yongin-si (KR); Donghee Lee, Yongin-si (KR); and Taekjoon Lee, Yongin-si (KR)
Assigned to SAMSUNG DISPLAY CO., LTD., Gyeonggi-Do (KR)
Filed by SAMSUNG DISPLAY CO., LTD., Yongin-si (KR)
Filed on Oct. 5, 2022, as Appl. No. 17/960,284.
Claims priority of application No. 10-2021-0182204 (KR), filed on Dec. 17, 2021.
Prior Publication US 2023/0193122 A1, Jun. 22, 2023
Int. Cl. C09K 11/02 (2006.01); B82Y 20/00 (2011.01); B82Y 40/00 (2011.01); C09K 11/08 (2006.01); C09K 11/62 (2006.01); C09K 11/70 (2006.01); C09K 11/88 (2006.01)

CPC C09K 11/025 (2013.01) [C09K 11/0883 (2013.01); C09K 11/623 (2013.01); C09K 11/703 (2013.01); C09K 11/883 (2013.01); B82Y 20/00 (2013.01); B82Y 40/00 (2013.01)]

20 Claims

1. A method of preparing a quantum dot, the method comprising:

preparing a core comprising a Group III element, a Group V element, and gallium (Ga); and

preparing a shell covering the core by using a composition for forming the shell,

wherein the composition for forming the shell comprises a first additive, and

the first additive is a metal halide; wherein the quantum dot is configured to emit green light having a maximum emission wavelength in a range of about 500 nanometers (nm) to about 590 nm.