Ink for organic EL

According to one embodiment, an ink for organic EL includes an organic EL contributing material and an organic solvent. A relative energy difference RED based on Hansen solubility parameters which attribute to the organic EL contributing material and the organic solvent, respectively, is less than 0...

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Bibliographische Detailangaben
Hauptverfasser: Sakamoto, Koyo, Yamauchi, Yasuhiro, Oda, Tomohiko, Ishino, Shinichiro
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:According to one embodiment, an ink for organic EL includes an organic EL contributing material and an organic solvent. A relative energy difference RED based on Hansen solubility parameters which attribute to the organic EL contributing material and the organic solvent, respectively, is less than 0.5.