$Organic light emitting diode light extraction layer with gradient refractive index$

Organic light emitting diode light extraction layer with gradient refractive index

An organic light emitting diode (OLED) structure includes: an OLED layer stack including a light emitting region having a flat portion; and a light extraction layer formed of a UV cured ink disposed on the light emitting region of the OLED layer stack. The light extraction layer has a refractive ind...

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Bibliographische Detailangaben
Hauptverfasser:	LIN WAN-YU, KWAK BYUNG-SUNG, VISSER ROBERT JAN, XU LISONG, BANG HYUN-SUNG, YU GANG, CHEN CHUNGIA
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	ELECTRICITY
Online-Zugang:	Volltext bestellen
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Beschreibung
Zusammenfassung:	An organic light emitting diode (OLED) structure includes: an OLED layer stack including a light emitting region having a flat portion; and a light extraction layer formed of a UV cured ink disposed on the light emitting region of the OLED layer stack. The light extraction layer has a refractive index gradient along an axis perpendicular to the flat portion. 一种有机发光二极管(OLED)结构包括：OLED层堆叠，OLED层堆叠包括具有平坦部分的发光区；以及由UV固化油墨形成的光提取层，其设置在OLED层堆叠的发光区上。光提取层沿着垂直于平坦部分的轴具有折射率梯度。