대한전기학회:학술대회논문집 (Proceedings of the KIEE Conference)

대한전기학회 (The Korean Institute of Electrical Engineers)
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$Zn(HPB)_2$를 블루 발광층으로 이용한 White OLED의 색순도 특성

Properties of color purity as white OLED based on $Zn(HPB)_2$ as blue emitting layer

  • 발행 : 2006.10.27
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초록

We synthesized emissive materiaJs, nameJy $Zn(HPB)_2$. The fundamentaJ structures of the OLEDs were ITO / NPB (40 nm) $Zn(HPB)_2$ (40 nm) / $Alq_3$:DCJTB (20, 30, or 40 nm) / LiF / AI. We varied the thickness of $Alq_3$:DCJTB from 20 nm to 40nm. We measured current density-voJtage and luminance-voJtage characteristics at room temperature. When the thickness of the Alq3:DCJTB layer was 40 nm, white emission is achieved. The CIE coordinates are (0.32, 0.33) at an applied voltage of 14V.

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