The Polarity Effect on the Photoelectrochemical Properties of Ga- and N-Face Free-Standing GaN Substrate
Bae, Hyojung, Park, Jaehyoung, Jung, Ki-Chang, Nakamura, Akihiro, Fujii, Katsushi, Park, Hyung-Jo, Jeong, Tak, Lee, Hyo-Jong, Moon, Young Boo, Ha, Jun-Seok
Published in Japanese Journal of Applied Physics (01.08.2013)
Published in Japanese Journal of Applied Physics (01.08.2013)
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Journal Article
Flexible InGaN LEDs on a Polyimide Substrate Fabricated Using a Simple Direct-Transfer Method
Choi, Won-Sik, Park, Hyung Jo, Park, Si-Hyun, Jeong, Tak
Published in IEEE photonics technology letters (01.11.2014)
Published in IEEE photonics technology letters (01.11.2014)
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Journal Article
An improvement of light extraction efficiency for GaN-based light emitting diodes by selective etched nanorods in periodic microholes
Kim, Seung Hwan, Park, Hyun Ho, Song, Young Ho, Park, Hyung Jo, Kim, Jae Beom, Jeon, Seong Ran, Jeong, Hyun, Jeong, Mun Seok, Yang, Gye Mo
Published in Optics express (25.03.2013)
Published in Optics express (25.03.2013)
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Journal Article
Effect of Double-Layered n-Type GaN on the Photoelectrochemical Properties in NaOH Aqueous Solution
Kim, Eunsook, Bae, Hyojung, Ko, Younghee, Fujii, Katsushi, Park, Hyung-Jo, Jeong, Tak, Lee, Hyo-Jong, Oh, Tae-Sung, Ha, Jun-Seok
Published in Journal of the Electrochemical Society (01.01.2015)
Published in Journal of the Electrochemical Society (01.01.2015)
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Journal Article
Light output improvement of 10 W operated vertical LEDs via surface roughening using a commercialized developer
Jeong, Tak, Park, Hyung-Jo, Jung, Ki Chang, Baek, Jong Hyeob, Ha, Jun-Seok, Choi, Won-Sik, Park, Si-Hyun
Published in Journal of materials science. Materials in electronics (01.06.2015)
Published in Journal of materials science. Materials in electronics (01.06.2015)
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Journal Article
Development of nanoscale Ni-embedded single-wall carbon nanotubes by electroless plating for transparent conductive electrodes of 375 nm AlGaN-based ultraviolet light-emitting diodes
Park, Jun-Beom, Park, Hyung-Jo, Bae, Hyojung, Jeong, Tak, Han, Jong-Hun, Kwak, Joon Seop, Ha, Jun-Seok
Published in Applied physics express (20.07.2016)
Published in Applied physics express (20.07.2016)
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Journal Article
Enhanced luminous efficacy in phosphor-converted white vertical light-emitting diodes using low index layer
Kim, Seung Hwan, Song, Young Ho, Jeon, Seong Ran, Jeong, Tak, Kim, Ja Yeon, Ha, Jun Seok, Kim, Wan Ho, Baek, Jong Hyeob, Yang, Gye Mo, Park, Hyung Jo
Published in Optics express (11.03.2013)
Published in Optics express (11.03.2013)
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Journal Article
High Efficiency InGaN Blue Light-Emitting Diode With \hbox Output Power at 3 A
Jeong, Tak, Park, Hyung-Jo, Ju, Jin-Woo, Oh, Hwa Sub, Baek, Jong-Hyeob, Ha, Jun-Seok, Ryu, Guen-Hwan, Ryu, Han-Youl
Published in IEEE photonics technology letters (01.04.2014)
Published in IEEE photonics technology letters (01.04.2014)
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Journal Article
High Brightness, Large Scale GaN Based Light-Emitting Diode Grown on 8-Inch Si Substrate
Lee, Seung-Jae, Song, Jae-Chul, Park, Hyung-Jo, Park, Jun-Beom, Jeon, Seong-Ran, Lee, Cheul-Ro, Jeon, Dae-Woo, Baek, Jong Hyeob
Published in ECS journal of solid state science and technology (01.01.2015)
Published in ECS journal of solid state science and technology (01.01.2015)
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Journal Article
Consideration of number of via holes for high efficiency GaN based VI-LED design
Gil Jun Lee, Yu-Jung Cha, Seung Kyu Oh, Hyung-Jo Park, Tak Jeong, Joon Seop Kwak
Published in 2015 11th Conference on Lasers and Electro-Optics Pacific Rim (CLEO-PR) (01.08.2015)
Published in 2015 11th Conference on Lasers and Electro-Optics Pacific Rim (CLEO-PR) (01.08.2015)
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Conference Proceeding