Awards & Press

2019.04.09
Professor Kyungcheol Choi’s Team Published a Paper on Energy and Environmental Science
Prof. Choi Kyung-Cheol's Lab developed the washable and wearable display with Prof. Cho Seok-ho(Clothing & Textiles of Chonnam National University). Conventional fiber-type wearable device requires an external power supply and has low durability because it focused on the implementation of display devices, but Prof Choi’s Lab team used a Polymer Solar Cell(PSC), which converts solar energy into electrical energy, to implement Organic Light Emitting Diode(OLED) display output on the fabric without an external power source. Also, they devised a special encapsulation film in which an “ALD thin film”(that is excellent in preventing moisture permeation) and polymer functional layer are cross-deposited on a sealing film. This sealing film can protect the interior, unlike conventional sealing film which can easily lose their protective properties to moisture. Through this, Prof. Choi’s Lab team confirmed that there was no big drop in performance(96% PSC and 94% OLED compared to initial) even with wash once a week and some of mechanical stress. The research was published as a back cover paper in Energy and Environmental Science. <Link> https://news.v.daum.net/v/20190322041504404 https://news.v.daum.net/v/20190321145004321
2019.04.04
Ph.D. Student Sung-Pill Choi (Advisor: Hoi-Jun Yoo) Earned the Best Paper Award at AICAS 2019
Sung-Pill Choi, who is a doctoral student studying under Professor Hoi-Jun Yoo, earned the Best Paper Award at AICAS 2019 (IEEE International Conference on Artificial Intelligence Circuits and Systems). The paper was entitled, "CNNP-v2: An ‘Energy Efficient Memory-Centric Convolutional Neural Network Processor Architecture’", and it was authored by Sung-Pill Choi, Kyeong-Ryeol Bong, Dong-Hyeon Han, and Hoi-Jun Yoo. Through utilizing a memory-centric architecture, rather than the traditional operator-centric CNN architecture, the researchers have achieved 91.5% MAC unit utilization in high parallel (1024-way) processing, and high energy efficiency of 3.1 TOPS/W through a near-threshold operation of 0.46V. They have developed a chip that can process a real-time face recognition system with IoT or wearable devices at 9.4mW of electricity, which is the highest level in the world. Congratulations to Sung-Pill Choi and Professor Hoi-Jun Yoo!
2019.04.02
Ph.D Candidate Cheon Yong Lim (Advisor: Gun-Woo Moon) won Outstanding Presentation Award at IEEE APEC 2019
Ph.D candidate Cheon Yong Lim (Advisor: Gun-Woo Moon) won an Outstanding Presentation Award at IEEE International Applied Power Electronics Conference (IEEE APEC 2019) The paper presented at the conference was titled 'New Phase-Shifted Full-Bridge Converter Using Center-Tapped Clamp Circuit in On-Board Charger for Electric-Vehicle' (Author: Cheon Yong Lim, Jung Kyu Han, Moo Hyun Park, Keon Woo Kim, and Gun-Woo Moon) . He proposed a new circuit for use in an electric vehicle charger and enhanced 1.4% of efficiency, 10% of power density, and reduced 40% of cost compared to the conventional product.
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