| Analysis of efficiency droop in 280-nm AlGaN multiple-quantum-well light-emitting diodes based on carrier rate equation J Yun, JI Shim, H Hirayama Applied Physics Express 8 (2), 022104, 2015 | 89 | 2015 |
| Investigation of the light-extraction efficiency in 280 nm AlGaN-based light-emitting diodes having a highly transparent p-AlGaN layer J Yun, H Hirayama Journal of Applied Physics 121 (1), 013105, 2017 | 54 | 2017 |
| Enhancing the light-extraction efficiency of AlGaN deep-ultraviolet light-emitting diodes using highly reflective Ni/Mg and Rh as p-type electrodes N Maeda, J Yun, M Jo, H Hirayama Japanese Journal of Applied Physics 57 (4S), 04FH08, 2018 | 53 | 2018 |
| Achieving 9.6% efficiency in 304 nm p-AlGaN UVB LED via increasing the holes injection and light reflectance MA Khan, N Maeda, J Yun, M Jo, Y Yamada, H Hirayama Scientific reports 12 (1), 2591, 2022 | 50 | 2022 |
| Investigation of dominant nonradiative mechanisms as a function of current in InGaN/GaN light-emitting diodes IG Choi, DP Han, J Yun, KS Kim, DS Shin, JI Shim Applied physics express 6 (5), 052105, 2013 | 25 | 2013 |
| Graphene interlayer for current spreading enhancement by engineering of barrier height in GaN-based light-emitting diodes JH Min, M Son, SY Bae, JY Lee, J Yun, MJ Maeng, DG Kwon, Y Park, ... Optics express 22 (104), A1040-A1050, 2014 | 19 | 2014 |
| Broadening mechanisms and self-consistent gain calculations for GaN quantum cascade laser structures K Wang, T Grange, TT Lin, L Wang, Z Jéhn, S Birner, J Yun, W Terashima, ... Applied Physics Letters 113 (6), 2018 | 18 | 2018 |
| Enhancing current spreading by simple electrode pattern design methodology in lateral GaN/InGaN LEDs JS Yun, JI Shim, DS Shin Electronics letters 45 (13), 703-705, 2009 | 18 | 2009 |
| Reflectance of a reflective photonic crystal p-contact layer for improving the light-extraction efficiency of AlGaN-based deep-ultraviolet light-emitting diodes J Yun, Y Kashima, H Hirayama AIP Advances 8 (12), 2018 | 11 | 2018 |
| Investigation of light-extraction efficiency of flip-chip AlGaN-based deep-ultraviolet light-emitting diodes adopting AlGaN metasurface J Yun, H Hirayama IEEE Photonics Journal 13 (1), 1-13, 2021 | 7 | 2021 |
| Current spreading analysis in vertical electrode GaN-based blue LEDs JS Yun, SM Hwang, JI Shim Solid State Lighting and Solar Energy Technologies 6841, 136-143, 2008 | 6 | 2008 |
| Correlation between the efficiency droop and the blueshift of the electroluminescence in InGaN/GaN multiple-quantum-well blue light-emitting diodes J Yun, HS Yeom, JI Shim, DS Shin Journal of the Korean Physical Society 63, 1218-1221, 2013 | 5 | 2013 |
| Current, voltage and temperature distribution modeling of light-emitting diodes based on electrical and thermal circuit analysis J Yun, JI Shim, DS Shin Semiconductor science and technology 28 (8), 085001, 2013 | 5 | 2013 |
| Three-dimensional analysis of temperature distributions based on circuit modeling of light-emitting diodes J Yun, DP Han, JI Shim, DS Shin IEEE transactions on electron devices 59 (6), 1799-1802, 2012 | 5 | 2012 |
| Current spreading and its related issues in GaN-based light emitting diodes JI Shim, J Yun, H Kim Gallium Nitride Materials and Devices IV 7216, 161-169, 2009 | 5 | 2009 |
| Optical and Electrical Characteristics of GaN-based Blue LEDs after Low-current Stress S Kim, J Yun, DS Shin, JI Shim Korean Journal of Optics and Photonics 23 (2), 64-70, 2012 | 2 | 2012 |
| Surface-emitting photonic crystal terahertz quantum cascade laser adopting uniform triangular prism photonic crystal with a double-metal waveguide J Yun, TT Lin, H Hirayama Japanese Journal of Applied Physics 61 (6), 062001, 2022 | 1 | 2022 |
| Random electric field induced by interface roughness in GaN/AlxGa1− xN multiple quantum wells J Yun, DP Han, H Hirayama Applied Physics Express 12 (12), 124005, 2019 | 1 | 2019 |
| AlGaN metasurface to increase the light-extraction efficiency of deep ultraviolet light-emitting diodes by perfect transmittance before critical angle J Yun, H Hirayama Metamaterials XII 11344, 10-16, 2020 | | 2020 |
| Reflectance of Reflective Photonic Crystal on P-contact Layer of AlGaN Deep-UV LED J Yun, Y Kashima, H Hirayama JSAP Annual Meetings Extended Abstracts The 79th JSAP Autumn Meeting 2018 …, 2018 | | 2018 |
Hideki HirayamaRIKENVerified email at riken.jp
