COMPOUND, LIGHT-EMITTING MATERIAL, AND LIGHT-EMITTING ELEMENT
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United States of America Patent
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Issued Date -
Jul 6, 2023
app pub date -
Jun 10, 2021
filing date -
Jun 11, 2020
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Abstract
A compound represented by the following general formula is useful as a light emitting material. Two of R1 to R5 each are an aromatic hydrocarbon cyclic group, or a nitrogen atom-containing aromatic heterocyclic group, three of R1 to R5 each are a donor group, and at least one thereof is a benzofuran ring-condensed carbazolyl-9-yl group.
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