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 ==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):
+|homo(h2)|>|homo(h1)|  (1).

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