Ha-Keun Hwang

Thermal and Optical Stabilities of Photoisomerizable Polyimide Layers for Nematic Liquid Crystal Alignments

Byoungchoo Park, Youngyi Jung, Hyunhee Choi et al. · Japanese Journal of Applied Physics · 1998 · 83 citations

Azobenzene Units, Optical Materials, Engineering +18

Bright pure blue emission from multilayer organic electroluminescent device with purified unidentate organometallic complex

Woo‐Bin Im, Ha-Keun Hwang, Jae-Gyoung Lee et al. · Applied Physics Letters · 2001 · 53 citations

Optical Materials, Engineering, Organic Electronics +21

Director tilting of liquid crystals on photoisomerizable polyimide alignment layers doped with homeotropic surfactant

Byoungchoo Park, Ki‐Jong Han, Youngyi Jung et al. · Journal of Applied Physics · 1999 · 30 citations

Materials Science, Engineering, Homeotropic Surfactant +14

Hole-transporting polyimide for organic electroluminescent display

Youngkyoo Kim, Jae-Gyoung Lee, Ki‐Jong Han et al. · Thin Solid Films · 2000 · 21 citations

Materials Science, Engineering, Semiconducting Polymer +5

Comparative Study of Anchoring Strengths for Photo- and Rubbing-Aligned Liquid Crystals on Photoisomerizable Polyimide Alignment Films

Doo-Han Chung, Hideo Takezoe, Byoungchoo Park et al. · Japanese Journal of Applied Physics · 2000 · 19 citations

Engineering, Nematic Liquid Crystal, Liquid Crystalline Elastomer +18