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Canon kabushiki kaisha (20250120312). ORGANIC LIGHT-EMITTING ELEMENT AND DISPLAY APPARATUS INCLUDING THE SAME: Difference between revisions

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ORGANIC LIGHT-EMITTING ELEMENT AND DISPLAY APPARATUS INCLUDING THE SAME

Organization Name

canon kabushiki kaisha

Inventor(s)

YOSUKE Nishide of Kanagawa JP

HITOSHI Nagashima of Kanagawa JP

MASAHITO Miyabe of Kanagawa JP

HIROKAZU Miyashita of Miyagi JP

NAOKI Yamada of Tokyo JP

ORGANIC LIGHT-EMITTING ELEMENT AND DISPLAY APPARATUS INCLUDING THE SAME

This abstract first appeared for US patent application 20250120312 titled 'ORGANIC LIGHT-EMITTING ELEMENT AND DISPLAY APPARATUS INCLUDING THE SAME

Original Abstract Submitted

an organic light-emitting element including a first electrode and a second electrode, and an organic compound layer disposed between the first electrode and the second electrode. the organic compound layer includes a light-emitting layer. the light-emitting layer contains at least a first organic compound, a second organic compound, and a luminescent compound that emits phosphorescence. lowest excited triplet energies of the first organic compound and the second organic compound are higher than a lowest excited triplet energy of the luminescent compound. in the first organic compound and the second organic compound, all freely rotatable single bonds are carbon-carbon bonds. the organic light-emitting element satisfies a relation of formula (1):

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