LIGHT-EMITTING DEVICE AND ELECTRONIC APPARATUS INCLUDING THE SAME
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United States of America Patent
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Issued Date -
Jan 4, 2024
app pub date -
Apr 25, 2023
filing date -
Jun 29, 2022
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Abstract
A light-emitting device includes a first electrode, a second electrode facing the first electrode, and an interlayer between the first electrode and the second electrode, wherein the interlayer includes an emission layer, a hole transport layer, and an electron transport layer. The emission layer includes an electron transport host compound and a dopant. A hole mobility of the hole transport layer is greater than 1×10−4 cm2/Vs, an electron mobility of the electron transport layer is greater than 1×10−5 cm2/Vs, and an electron mobility of the electron transport host compound is less than 1×10−8 cm2/Vs.
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