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US 12,371,616 B2Granted
Quantum dots and device including the same
AssigneeSamsung Electronics Co., Ltd.
InventorsSeon-Yeong Kim, Yong Wook Kim, Soo Kyung Kwon, Ji-Yeong Kim, Sungwoo Hwang
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Abstract
A cadmium free quantum dot or a population thereof or a device including the same, wherein the cadmium free quantum dot includes a core (or a semiconductor nanocrystal particle) including a first semiconductor including a Group IIB-VI compound and a shell (or a coating) disposed on the core (or the semiconductor nanocrystal particle) including a Group IIB-V compound and exhibits a quantum efficiency of about 60% or higher.
Claims21
A quantum dot comprising:
- a semiconductor nanocrystal particle comprising a Group IIB-VI compound;
- and
- a coating disposed on the semiconductor nanocrystal particle,
- wherein the quantum dot does not comprise cadmium,
- the coating comprises a material comprising a Group IIB-V compound, and
- wherein a quantum efficiency of the quantum dot is greater than or equal to about 60%.
3 more elements
Dependencies are inferred from the claim text.