Takao Kosugi

Blue, Green, and Amber InGaN/GaN Light-Emitting Diodes on Semipolar {11-22} GaN Bulk Substrates

Mitsuru Funato, Masaya Ueda, Yoichi Kawakami et al. · Japanese Journal of Applied Physics · 2006 · 388 citations

Wide-bandgap Semiconductor, Electrical Engineering, Electronic Devices +15

Demonstration of Blue and Green GaN-Based Vertical-Cavity Surface-Emitting Lasers by Current Injection at Room Temperature

Daiji Kasahara, Daisuke Morita, Takao Kosugi et al. · Applied Physics Express · 2011 · 184 citations

Photonics, Electrical Engineering, Room Temperature +12

High-output-power 255/280/310 nm deep ultraviolet light-emitting diodes and their lifetime characteristics

Akira Fujioka, Katsuhiko Asada, Hirohito Yamada et al. · Semiconductor Science and Technology · 2014 · 102 citations

White Oled, Photonics, Electrical Engineering +14

High-output-power deep ultraviolet light-emitting diode assembly using direct bonding

M. Ichikawa, Akira Fujioka, Takao Kosugi et al. · Applied Physics Express · 2016 · 94 citations

Materials Science, Photonics, Electrical Engineering +14

Speckle Noise Evaluation and Reduction of an Edge-Lit Backlight System Utilizing Laser Diodes and an Optical Fiber

Ichiro Fujieda, Takao Kosugi, Yuya Inaba · Journal of Display Technology · 2009 · 21 citations

Photonics, Engineering, Optical Transmission System +12