Hwa Sub Oh

LED Device Team, Korea Photonics Technology Institute, Gwangju 500-460, Republic of Korea

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Papers17 papers

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Investigation of Chirped Well Structures for Broad-Spectrum AlGaInP-Based Light Emitting Diodes

Hwa Sub Oh, Jong-Min Park, Sung Hoon Jung, Dong Wook Lee, Kang Seok Lee, Seok Ho Kwon, Young Tae Park

Journal of nanoscience and nanotechnology, no. 4 (2019): 2219-2223

WOSBibtex

Air-Hybrid Distributed Bragg Reflector Structure for Improving the Light Output Power in AlGaInP-Based LEDs

Hwa Sub Oh, Hosoung Ryu, Sueng Ho Park,Tak Jeong,Y J Kim,Hyung Joo Lee,Young Dae Cho,Joonseop Kwak,Jong Hyeob Baek

Journal of Nanoscience and Nanotechnology, (2015)

Cited by1Bibtex

Investigation of Mg Doping Profile in the p -Cladding Layer for High-Brightness AlGaInP-Based Light Emitting Diodes

Ho Soung Ryu,Hwa Sub Oh,Jong Hyeob Baek,Joon Seop Kwak, J H Park, In Kyu Jang, Y J Kim,Hyung Joo Lee

Journal of Nanoscience and Nanotechnology, (2014)

Bibtex

High Efficiency InGaN Blue Light-Emitting Diode With ${>}{\rm 4}\hbox{-}{\rm W}$ Output Power at 3 A

Tak Jeong, Hyungjo Park,Jinwoo Ju,Hwa Sub Oh,Jonghyeob Baek,Junseok Ha, G Ryu,Hanyoul Ryu

IEEE Photonics Technology Letters, no. 7 (2014): 649-652

Cited by4EIWOSBibtex

Investigation of the GaInP quantum dots for light emitters

Hwa Sub Oh

(2013)

Bibtex

Light Extraction Efficiency Part B. Light Extraction of High Efficient LEDs

Jayeon Kim,Tak Jeong,Sang Hern Lee,Hwa Sub Oh,Hyung Jo Park,Sangmook Kim,Jong Hyeob Baek

(2013)

Bibtex

High-efficiency vertical AlGaInP light-emitting diodes with conductive omni-directional reflectors

Jae Won Seo,Hwa Sub Oh,Joon Seop Kwak

Current Applied Physics, no. 3 (2011): S385-S387

Cited by17EIBibtex

Negative-Voltage Electrostatic Discharge Characteristics of Blue Light-Emitting Diodes Using an Extended n-Electrode onto Plasma Treated p-GaN

Sangmook Kim,Hwa Sub Oh,Jong Hyeob Baek,Taeyoung Park,Gun Young Jung

Applied Physics Express, (2011)

Cited by1Bibtex

Charge pump circuit for depletion-mode oxide TFTs

Min Woo Oh,Hansung Leem,Sung Min Yoon,Chun Won Byun,Sang Hee Ko Park,Hwa Sub Oh,Kyu Chang Park

Electronics Letters, no. 6 (2011): 378-380

Cited by7EIWOSBibtex

Optimization of the Number of Quantum Well Pairs for High-Brightness AlGaInP-Based Light Emitting Diodes

Joon Seop Kwak,Jong Hyeob Baek,Jee Hue Joo,Sang Mook Kim,Hwa Sub Oh

Journal of Nanoscience and Nanotechnology, (2011)

Bibtex

Light extraction behavior of GaN-based light-emitting diodes with different substrate conditions; nano-size and micro-sized sapphire substrates?

Sang-Mook Kim,Hwa Sub Oh,Kwang Cheol Lee,Jong Hyeob Baek

Communications and Photonics Conference and Exhibition, pp.160-161, (2010)

EIWOSBibtex

Study of the GaInP quantum dots in the AlGaInP-based light emitting diodes

Hwa Sub Oh,Sang Mook Kim,Huyn Haeng Lee,Jong Hyeob Baek,Joon Seop Kwak

Communications and Photonics Conference and Exhibition, pp.184-185, (2010)

EIWOSBibtex

Realization of the 700 nm Emitting Spectrum Using GaInP Quantum Dots in the AlGaInP-Based Light Emitting Diodes

Hwa Sub Oh,Sang Mook Kim,Huyn Haeng Lee,Jong Hyeob Baek,Joon Seop Kwak

Journal of The Electrochemical Society, no. 9 (2010)

Cited by1Bibtex

Effects of Patterned Sapphire Substrates on Piezoelectric Field in Blue-Emitting InGaN Multiple Quantum Wells

Sang-Mook Kim,Hwa Sub Oh,Jong Hyeob Baek,Kwang-Ho Lee,Gun Young Jung,Jae-Ho Song,Ho-Jong Kim,Byung-Jun Ahn,Dong Yanqun,Jung-Hoon Song

Electron Device Letters, IEEE, no. 8 (2010): 842-844

Cited by15EIWOSBibtex

Formation of Macropore and Three-Dimensional Nanorod Array in p-Type Silicon

Kang-Pil Kim,Shiqiang Li,Hong-Kun Lyu,Sung-Ho Woo,Sang Kyoo Lim,Daeic Chang,Hwa Sub Oh,Dae-Kue Hwang

Japanese Journal of Applied Physics, no. 5 (2010)

Cited by6Bibtex

Investigation of Strained Multi-Quantum Well Structures for High Bright AlGaInP-Based Light Emitting Diodes

Hwa Sub Oh,Jee Hue Joo,Jin Hong Lee,Jong Hyeob Baek,June Key Lee,Sun Kyun Lee,Yong Hoon Cho,Joon Seop Kwak

Japanese Journal of Applied Physics, no. No. 7 (2009)

Cited by5Bibtex

Structural Optimization of High-Power AlGaInP Resonant Cavity Light-Emitting Diodes for Visible Light Communications

Hwa Sub Oh,Jee Hue Joo,Jin Hong Lee,Jong Hyeob Baek,Jae Won Seo,Joon Seop Kwak

Japanese Journal of Applied Physics, no. No. 8 (2008): 6214-6216

Cited by11Bibtex

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