Organic light-emitting device
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United States of America
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May 10, 2022
Grant Date -
Nov 2, 2017
app pub date -
Mar 23, 2017
filing date -
Mar 23, 2017
priority date (Note) -
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Abstract
Provided is an organic light-emitting device including a first compound and a second compound that offers low driving voltage and high efficiency. The organic light-emitting device includes an emission layer between a first electrode and a second electrode, and an electron transport region between the second electrode and the emission layer. The electron transport region includes the first compound. A hole transport region between the first electrode and the emission layer includes the second compound.
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