Quantum dot and lighting emitting device comprising the same

A quantum dot includes a core and a plurality of shell layers surrounding the core. The core has a band gap less than that of the outermost shell layer, and the outermost shell layer has a band gap less than that of a second shell layer. Thus, a light emitting device including the quantum dot accord...

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Bibliographische Detailangaben
Hauptverfasser:	Lee, Sooho, Jung, Yunku, Kim, Sungwoon, Bae, Wan Ki, Jeong, Byeong Guk, Ko, Yunhyuk, Nam, Minki
Format:	Patent
Sprache:	eng
Schlagworte:	ADHESIVES CHEMISTRY DYES ELECTRICITY MANUFACTURE OR TREATMENT OF NANOSTRUCTURES MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NANOTECHNOLOGY NATURAL RESINS PAINTS PERFORMING OPERATIONS POLISHES SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES TRANSPORTING
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Beschreibung
Zusammenfassung:	A quantum dot includes a core and a plurality of shell layers surrounding the core. The core has a band gap less than that of the outermost shell layer, and the outermost shell layer has a band gap less than that of a second shell layer. Thus, a light emitting device including the quantum dot according to an embodiment may have an improved lifespan of the device and excellent luminous efficiency characteristics.