LIGHT EMITTING DEVICE AND DISPLAY APPARATUS INCLUDING THE SAME
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United States of America Patent
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Issued Date -
Apr 11, 2024
app pub date -
Jun 22, 2023
filing date -
Sep 26, 2022
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Abstract
A light emitting device may include a first electrode, a first light emitting stack disposed on the first electrode, a charge generation layer disposed on the first light emitting stack, a second light emitting stack disposed on the charge generation layer, and a second electrode disposed on the second light emitting stack. Each of the first light emitting stack and the second light emitting stack includes a hole transport layer. A hole mobility of the charge generation layer is lower than a hole mobility of the hole transport layer.
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