Fabrication of Organic Light-Emitting Device Using Ink-jet Printing Method

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  • OKADA Hiroyuki
    Graduate School of Science and Engineering (Engineering), University of Toyama
  • NAKA Shigeki
    Graduate School of Science and Engineering (Engineering), University of Toyama

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Other Title
  • インクジェットによる有機ELデバイス作製
  • インクジェット ニ ヨル ユウキ EL デバイス サクセイ

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Organic electron devices are now being widely studied for their merits of being ultrathin and ultra-lightweight and offering the possibilities of wide area and flexible applications. In this review, we present ink-jet printing (IJP) technologies for organic electron devices. First, we show a self-alignment (SA) IJP technology for organic light-emitting devices (OLEDs). Using this technology, a flexible multicolor SA IJP panel with a size of 100 mm2, 150 ppi, and 6.3-V operation is demonstrated. Second, an IJP pattern-laminated OLED, named light-emitting seal, is presented. We also demonstrate printed-coil-driven OLEDs for a noncontact-type electromagnetic power supply. These technologies are promising for recently developed light-emitting components such as light-emitting seals, light-emitting graphics, light-emitting tags, and light-emitting RFID cards.

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