ORGANIC ELECTROLUMINESCENCE ELEMENT
The present invention has an object of providing an organic EL device excellent particularly in luminance life among properties of an organic EL device. The present invention relates to an organic EL device comprising an organic EL material and a solvent A having a boiling point under 1 atom of 250°...
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| Format: | Patent |
| Sprache: | eng ; fre ; ger |
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| Zusammenfassung: | The present invention has an object of providing an organic EL device excellent particularly in luminance life among properties of an organic EL device. The present invention relates to an organic EL device comprising an organic EL material and a solvent A having a boiling point under 1 atom of 250°C or higher, wherein the proportion XA (µg/cm3) of the content (pg) of the solvent A to the volume (cm3) of the organic EL material in the organic EL device satisfies the formula (1): 5 |
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