Ja Ryong Koo

High-efficiency deep-blue organic light-emitting diodes using dual-emitting layer

Ji Hoon Seo, Kum Hee Lee, Bo Min Seo et al. · Organic Electronics · 2010 · 49 citations

White Oled, Electrical Engineering, Dual-emitting Layer +6

Storage stability improvement of pentacene thin-film transistors using polyimide passivation layer fabricated by vapor deposition polymerization

Gun Woo Hyung, Jae‐Hoon Park, Jun Ho Kim et al. · Solid-State Electronics · 2010 · 20 citations

Materials Science, Engineering, Organic Electronics +6

ZnO thin-film transistors with a polymeric gate insulator built on a polyethersulfone substrate

Gun Woo Hyung, Jae‐Hoon Park, Ja Ryong Koo et al. · Solid-State Electronics · 2012 · 15 citations

Materials Science, Electrical Engineering, Engineering +7

Effect of broad recombination zone in multiple quantum well structures on lifetime and efficiency of blue organic light-emitting diodes

Seok Jae Lee, Song Eun Lee, Dong‐Hyung Lee et al. · Japanese Journal of Applied Physics · 2014 · 12 citations

Engineering, Optoelectronic Devices, Chemistry +22

Effect of a broad recombination zone with a triple-emitting layer on the efficiency of blue phosphorescent organic light-emitting diodes

Seok Jae Lee, Ja Ryong Koo, Ho Won Lee et al. · Electronic Materials Letters · 2014 · 11 citations

White Oled, Solid-state Lighting, Engineering +10