ELECTROLUMINESCENT ELEMENT, LIGHT EMITTING DEVICE, AND PRODUCTION METHOD FOR ELECTROLUMINESCENT ELEMENT
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United States of America Patent
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Issued Date -
May 9, 2024
app pub date -
Mar 31, 2021
filing date -
Mar 31, 2021
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Abstract
A light-emitting element includes an anode electrode, a QD layer containing QDs, and a cathode electrode, in which the QDs are Cd-free quantum dots having a core-shell structure including a core containing at least Ag, Ga, and at least one of S and Se, and a shell containing at least Zn, and exhibit fluorescence characteristics with a fluorescence full-width at half-maximum of 40 nm or less and a fluorescence quantum yield percentage of 70% or more.
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