Inkjet Ink for Quantum Dot Color Conversion Layer

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  • KIYOTO Ikuro
    E-1 Project, New Business Development Headquarters, DIC Corporation

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  • 量子ドット色変換層（QDCC）用インクジェットインク
  • リョウシ ドットショク ヘンカンソウ(QDCC)ヨウ インクジェットインク

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<p>We are developing Quantum Dot (QD) inkjet ink for display with QD Color Conversion (QDCC) layer which is promising for next generation display. We have developed prototype of both thermal curing ink including solvent and UV curing ink excluding solvent. Then, we compared optical properties and ink jetting properties. Furthermore, we fabricated QDCC layer by inkjet deposition on glass substrate with bank. Thermal curing ink brought better color conversion efficiency at the same QDCC layer thickness as UV curing ink, but we found that UV curing ink brought better QDCC layer productivity and better surface flatness. Finally, we found that color gamut of QDCC layer by inkjet deposition with UV curing ink was as wide as that of commercial OLED TV.</p>

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