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      SCI SCIE SCOPUS

      Dual pattern for enhancing light extraction efficiency of white organic light-emitting diodes

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      https://www.riss.kr/link?id=A107653651

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      다국어 초록 (Multilingual Abstract)

      <P><B>Abstract</B></P> <P>Nano and micro-patterns (dual patterns) were introduced on a glass substrate as an extraction layer to enhance the light extraction efficiency of white organic light-emitting diodes (WOLEDs). The dual-patterned glass was fabricated by thermal evaporation, direct printing, and reactive ion etching. The combination of nano- and micro-structures imparted highest current density and luminance to the dual-patterned WOLED without electrical degradation. Additionally, the dual-patterned WOLED exhibited higher current and power efficiencies compared to that of the nano- and micro-patterned WOLEDs, which increased by 21% and 27% at 1 mA/cm<SUP>2</SUP>, respectively, as compared to that of the reference.</P> <P><B>Highlights</B></P> <P> <UL> <LI> The dual pattern was fabricated using nanoimprint lithography and reactive ion etching process on the glass substrates. </LI> <LI> The compromised between the nano and micro structures imparted highest current and power efficiencies to the WOLED. </LI> <LI> Light extraction efficiency of dual pattered WOLED was increased by light scattering effect at the glass/air interfaces. </LI> <LI> The current efficiencies and power efficiency of the dual patterned WOLED was enhanced by 21% and 27% at 1 mA/cm<SUP>2</SUP>. </LI> </UL> </P> <P><B>Graphical abstract</B></P> <P>[DISPLAY OMISSION]</P>
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      <P><B>Abstract</B></P> <P>Nano and micro-patterns (dual patterns) were introduced on a glass substrate as an extraction layer to enhance the light extraction efficiency of white organic light-emitting diodes (WOLEDs). Th...

      <P><B>Abstract</B></P> <P>Nano and micro-patterns (dual patterns) were introduced on a glass substrate as an extraction layer to enhance the light extraction efficiency of white organic light-emitting diodes (WOLEDs). The dual-patterned glass was fabricated by thermal evaporation, direct printing, and reactive ion etching. The combination of nano- and micro-structures imparted highest current density and luminance to the dual-patterned WOLED without electrical degradation. Additionally, the dual-patterned WOLED exhibited higher current and power efficiencies compared to that of the nano- and micro-patterned WOLEDs, which increased by 21% and 27% at 1 mA/cm<SUP>2</SUP>, respectively, as compared to that of the reference.</P> <P><B>Highlights</B></P> <P> <UL> <LI> The dual pattern was fabricated using nanoimprint lithography and reactive ion etching process on the glass substrates. </LI> <LI> The compromised between the nano and micro structures imparted highest current and power efficiencies to the WOLED. </LI> <LI> Light extraction efficiency of dual pattered WOLED was increased by light scattering effect at the glass/air interfaces. </LI> <LI> The current efficiencies and power efficiency of the dual patterned WOLED was enhanced by 21% and 27% at 1 mA/cm<SUP>2</SUP>. </LI> </UL> </P> <P><B>Graphical abstract</B></P> <P>[DISPLAY OMISSION]</P>

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