Organic electroluminescent element, light-emitting material therefor, light emitting device, display device, and illumination device
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United States of America Patent
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Aug 29, 2023
Grant Date -
Aug 22, 2019
app pub date -
May 6, 2019
filing date -
Oct 7, 2011
priority date (Note) -
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Abstract
An organic electroluminescent element including a luminescent compound represented by the following formula (in which R1 to R14 each independently represent a hydrogen atom, a deuterium atom, an alkyl group, an aryl group, a heteroaryl group, a fluorine atom, a cyano group, an amino group, an alkoxy group, an aryloxy group, a thio group, or a silyl group, and 8 to 13 groups out of R1 to R14 each represent a hydrogen atom or a deuterium atom) in a light emitting layer has high durability and excellent chromaticity.
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