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Professor Sang-Hyun Kim’s lab has developed a 60,000 PPI ultra-high-resolution micro-LED display production technology.

Dr. Dae-Myeong Geum has participated as the first author and their work has been published as a cover paper of international journal ‘Nanoscale’, December 28^th edition. (Title of the paper: Strategy toward the fabrication of ultrahigh-resolution micro-LED displays by bonding interface-engineered vertical stacking and surface passivation)

To solve the problem of the existing development of ultra-high-resolution displays, the research team stacked a red-green-blue LED active layer in three dimensions, and then proposed a device manufacturing method that can cope with ultra-high resolution micro-LED displays using a semiconductor patterning process. Also, they have proposed a solution that can improve overall efficiency in a small pixel and solve a color interference which is problematic for vertical stacking.

The research team used a substrate bonding technology for three-dimensional stacking, and designed an insulating film with filter characteristics on the bonding surface to minimize color interference, eliminating 97% of the red-blue interference light.

Their work has shown that even vertically combined pixels can achieve high purity pixels without light interference by incorporating an insulating film. The research team demonstrated the ability to achieve resolutions above 60,000 PPI using the vertical patterning followed by semiconductor patterning technology.

Besides, the non-luminescent recombination phenomenon on the semiconductor surface, which can be problematic in the small LED pixels, was thoroughly investigated through time-resolved photoluminescence analysis and computational simulation to provide a meaningful direction to improve the efficiency of the small LED.

Professor Sang-Hyun Kim said, “This is the first research to demonstrate the possibility of producing ultra-high resolution pixels using a semiconductor process. This research shows the importance of cooperation between the semiconductor and display industry. We will continue to work on the development of ultra-high-resolution future displays through future research.

The research was supported by the Korea Research Foundation’s basic research projects in science and engineering, and climate change response technology development projects.

Congratulations on your achievements.

Professor C​hul Soon Park​ and Prof. Wan Choi were named IEEE Fellows in 2020.

IEEE Fellows are elected less than only 0.1 % of total IEEE members, and this great honor implies the verification of achievement as a top-notch professional in a specific discipline.

Professor C​hul Soon Park​ was honored for the development of low power millimeter-wave circuits and packages.

On the other hand, Professor. Wan Choi was awarded for the contribution to the analysis and design of multi-cell communication systems.

Congratulations on both professors’ appointment as 2020 IEEE Fellows.

Two award achievements of Prof. Junil Choi in our department enhanced the reputation of KAIST EE. The Korean Institute of Communications and Information Sciences (KICS) selected Prof. Choi for the 9th Haedong Young Engineering Researcher Award. He researched the realization of massive MIMO systems, which is essential in 5G wireless communication, based on signal processing and communication theory. With this study, he received IEEE Signal Processing Society Best Paper Award in 2015. He is recently conducting projects such as communication between vehicles and a fusion system of communication and radar. The accomplishment was yield by his 34 papers published in international journals and 26 patents registered in the US.

Furthermore, Prof. Choi was awarded the Stephen O. Rice Prize at the Global Communications Conference (GLOBECOM), which is the best prize in the conference, in Hawaii on December 10th. The Stephen O. Rice Prize with a top-notch reputation is given only once a year considering novelty, citations, and influence of the papers in IEEE Transactions on Communications in the last three years. Prof. Choi received the award with the paper about one-bit ADCs in massive MIMO systems. He proposed technology to save power in massive MIMO systems, which is fundamental in 5G and other developed communication systems. This paper was cited about 230 times by various papers in journals and conferences, and multiple follow-up studies are actively ongoing.

Congratulations on the outstanding performance of the research, and we also expect future academic outcomes.

Professor Hyun Myung’s laboratory participated in the KSCE 2019 CONVENTION drone image challenge for civil infrastructures and won the best prize. Sung-Wook Chung, Ph.D. candidate, and Seung-Won Song, Ph.D. candidate have participated and achieved the brilliant results of winning the best prize. The challenge was organized by the Korean Society of Civil Engineers, and the assessed based on image video data and other video data of social infrastructure taken using drones. The video presented by Hyun Myung’s Lab was taken with technology that enables drones to autonomously fly and map with the help of vision and LiDAR sensors without GPS. You can watch related videos from the challenge through the YouTube link below. Congratulations on the award, and we look forward to future achievements.

<Link>

https://youtu.be/Ak9HHolHp-8

Congratulations to Dahun Kim(Advised by Kweon, In So) and Insu Han (Advised by Jinwoo Shin) on winning the 2019 Microsoft Research Asia Fellowship Award! This year, 101 distinguished Ph.D. candidates from 31 leading research universities or institutions applied for MSRA fellowships. Applicants included candidates from the China mainland, Hong Kong, Taiwan, Japan, South Korea, and Singapore. Each candidate’s credentials, publications, and research projects were thoroughly evaluated by a review committee. And only 12 extremely outstanding students have been awarded fellowships. A cash award is also provided to support the fellow’s research and academic endeavors.

Moreover, Microsoft Research Asia would like to provide the fellowship winner a 3-month visiting research opportunity, which helps the winner to broaden his or her horizons by doing research at a top international research institute under the guidance of an experienced researcher.

Dahun Kim and Insu Han were invited to attend the 2019 MSRA Fellowship Award Ceremony held in Beijing, China, on Nov 8^th. The ceremony was one of the key sessions of 2019 MSRA Academic Day.

Since its inception in 1999, the program has attracted applications from approximately 1,300 Ph.D. candidates from more than 70 universities in the Asia-Pacific region, with 429 outstanding students having been awarded Microsoft Research Asia Fellowships. Many of them have become influential researchers in their area. We are glad to have Dahun Kim and Insu Han as Fellowship winners this year, and we look forward to his future achievements！

Click here to learn more about the Microsoft Research Asia Fellows.

Ph.D. student Dahun Kim(Advised by Kweon, In So) 

Ph.D. student Insu Han(Advised by Jinwoo Shin)

Ph.D. student Junhyeong Park, advised by Seong-Ook Park, won the Best Student Paper Award in 2019 International Symposium on Antennas and Propagation (ISAP 2019) which was held from Oct 27th to 30th.

ISAP is held regularly from 1971, is intended to provide an international forum for the exchange of information on the progress of research and development in antennas, propagation, electromagnetic wave theory, and related fields as shown in the Topics. It is also an important objective of this meeting to promote mutual-interaction among participants.

In this 24th opening, ISAP 2019 was co-sponsored and co-organized by five institutes including Xidian University. Also, other prominent institutes such as IEEE and IEICE co-sponsored ISAP 2019.

In the paper “Micro-Drone Detection with FMCW Radar Based on Stationary Point Concentration Technique”, proposed Stationary Point Concentration (SPC) technique for an FMCW radar achieved the outstanding performance of detecting micro-drone with the size of a little finger.

The proposed SPC technique attenuates the phase noise of the leakage, and this leads to the reduction of the noise floor in the power spectrum. Therefore, the micro-drone at 100 m height, which was buried in the noise floor without this technique, was detected successfully.

Congratulations on the award, and we expect your future academic achievement.

 

M.S. student Sung-hyun Kim (advised by Chan-hyun Yoon) won the Excellent Paper Award with paper “An Accelerated Edge Computing with a Container and Its Orchestrator”(Author: SungHyun Kim, Eunju Yang, and Chan-Hyun Youn) at the International Conference on ICT Convergence 2019 (ICTC 2019) held October 16-18, 2019.

ICTC, that was co-sponsored by IEEE and IEICE, is an international conference organized by the Korean Institute of Communication and Information Sciences. The conference addresses the convergence of information and communication technologies over the various industrial fields.

ICTC, organized by the Korean Institute of Communication and Information Sciences, is the international conference for the purpose of the application of information and communication technology to the industry. Moreover, ICTC 2019 was co-sponsored by IEEE and IEICE.

The paper proposed a framework to enable hardware accelerators for container-based edge computing environments. With the proposed framework from the paper, lighter weight of containers with accelerators as well as a reduction in service scheduling time through container orchestration with the accelerators were achieved.

Congratulations on the outstanding performance of the research, and we also expect future academic outcomes.

 

The paper of Professor Sanghun Jeon’s team was published in the Proceedings of IEEE (Impact Factor: 10.694). Proceedings of IEEE is the leading journal managed by IEEE, which is the world’s largest organization in the area of electrical engineering. This journal is one of the top 2% of IEEE’s 254 papers. Professor Sanghun Jeon of our department is the first author and corresponding author, and Ph.D. student Min Hyun Chung (Advised by Sanghun Jeon) also participated in the paper. The paper was published as an Invited Paper with the title “Flexible Multimodal Sensors for Electronic Skin: Principle, Materials, Device, Array Architecture, and Data Acquisition Method.”. You can find more information about the article through the link below. Congratulations on the outstanding performance of the research, and we also expect future academic outcomes.

 

[Link]

https://ieeexplore.ieee.org/document/8827484?source=authoralert 

Ph.D. student Eunsung Kim (Advised by Yong-Man Ro) won the Best Paper Award with his paper, “Background Clutter Robust Anomaly Detection via Object Guide,” at Korea Signal Processing Conference (KSPC), which was held from 26th to 27th September 2019 in Daejeon. 

This conference, organized by the Institute of Electronics and Information Engineers, is intended for participants to present and discuss their academic accomplishment in the field of signal processing. In the conference, participants submitted 84 research papers involving artificial intelligence technology, which is applied to industry, engineering, and science recently with significant importance.

Congratulations on winning the award.