LIGHT EMITTING DIODE, DISPLAY SUBSTRATE AND DISPLAY DEVICE
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United States of America
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Issued Date -
Apr 10, 2025
app pub date -
Nov 30, 2022
filing date -
Nov 30, 2022
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Abstract
A light emitting diode, a display substrate and a display device. In the light emitting diode, the first light emitting structure includes a first hole transport layer, a first light emitting layer and a first electron transport layer; the second light emitting structure includes a second hole transport layer and a second light emitting layer, an absolute value of a first energy level difference between a LUMO energy level of the first light emitting layer and a LUMO energy level of the first electron transport layer is less than an absolute value of a second energy level difference between a HOMO energy level of the second light emitting layer and a HOMO energy level of the second hole transport layer.
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