Electroluminescent device and a display device including the same
AssigneesSamsung Display Co., Ltd., Samsung Electronics Co., Ltd.
InventorsSung Woo Kim, Tae Ho Kim, You Jung Chung, Taehyung Kim, Ilyoung Lee, Heejae Lee, Moon Gyu Han
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Abstract
An electroluminescent device including a first electrode and a second electrode facing each other; a light emitting layer disposed between the first electrode and the second electrode; and an electron transport layer disposed between the light emitting layer and the second electrode. The light emitting layer includes a plurality of semiconductor nanoparticles, and the electron transport layer includes a plurality of zinc oxide nanoparticles, the zinc oxide nanoparticles further include magnesium and gallium.
Claims20
An electroluminescent device, comprising
- a first electrode and a second electrode spaced apart from each other;
- a light emitting layer disposed between the first electrode and the second electrode;
- and
- an electron transport layer disposed between the light emitting layer and the second electrode,
- wherein the light emitting layer comprises a plurality of semiconductor nanoparticles, and the electron transport layer comprises zinc oxide nanoparticles,
- wherein the zinc oxide nanoparticle comprises magnesium and gallium, and in the zinc oxide nanoparticle, an amount of gallium is greater than or equal to about 1 mol % and less than or equal to about 30 mol %, based on total moles of zinc, magnesium, and gallium, and a mole ratio of gallium to magnesium (Ga:Mg) is less than or equal to about 3:1.
Dependencies are inferred from the claim text.