Quantum dot electroluminescent element, display panel and display device
AssigneeBeijing BOE Technology Development Co., Ltd.
InventorBoris Kristal
Life of this patent
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Abstract
A quantum dot electroluminescent element, a display panel, and a display device are provided. The quantum dot electroluminescent element includes an anode layer, a composite light-emitting layer, and a cathode layer which are stacked. The composite light-emitting layer includes at least two quantum dot light-emitting layers which are stacked, and an intermediate layer arranged between every two adjacent ones of the at least two quantum dot light-emitting layers; the intermediate layer is configured to transport holes and block electrons.
Claims15
A quantum dot electroluminescent element, comprising an anode layer, a composite light-emitting layer, and a cathode layer which are stacked,
- wherein the composite light-emitting layer comprises at least two quantum dot light-emitting layers which are stacked, and an intermediate layer arranged between every two adjacent ones of the at least two quantum dot light-emitting layers;
- the intermediate layer is configured to transport holes and block electrons.
Dependencies are inferred from the claim text.