ELECTROLUMINESCENT ELEMENT
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United States of America Patent
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Issued Date -
Mar 28, 2024
app pub date -
Feb 18, 2021
filing date -
Feb 18, 2021
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Abstract
A light-emitting element includes an anode electrode, a cathode electrode, and a QD layer provided between the anode electrode and the cathode electrode, the QD layer containing the QDs. The QDs are AgInxGa1-xSySe1-y-based or ZnAgInxGa1-xSySe1-y-based Cd-free QDs (0≤x<1, 0≤y≤1) and exhibit fluorescence characteristics having a fluorescent half width of 45 nm or less and a fluorescence quantum yield of 35% or more in a green wavelength region to a red wavelength region.
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