Korean researchers have succeeded in developing a three-dimensional display with the output characteristics that cannot be found in flat-panel displays. The research team led by School of Materials Science and Engineering Professor Heung Cho Ko developed a display that can present images in multiple directions by transforming a flexible electrode-based flat-panel display three-dimensionally using a paperfolding method. Unlike conventional flat-panel displays that presents images in only one direction and thereby limiting the viewing direction, the 3D structure display can output images in various directions. Because it can be applied to curved head mounted displays, double-sided displays, and interior/exterior displays for buildings/ automobiles, it can be referred to as a next-generation cutting-edge technology that can create more added value. To develop a display with a three-dimensional structure, the research team produced a flexible thinfilm electrode-based display, thinner than 10 micrometers (㎛), and transformed the display. Professor Heung Cho Ko said, “The greatest significance of this study is that it presented a technology that can freely transform the display into a 3D structure while maintaining the ideal circuit structure that the device must have in developing 3D electronic devices by transforming the flexible electronic device,” and added, "We will use it for the development of various displays as well as 3D structure sensors in the future to develop input/output devices for broadcasting, medicine, aviation, military applications, advertisements, animations, and movies."

GIST ranked fourth for ‘Citations per Faculty’ in the ‘QS World University Rankings 2020’ announced by QS (Quacquarelli Symonds), a British company specializing in the analysis of higher education institutions around the world, on June 10 (KST).
GIST ranked ‘fourth in the world’ for citation per faculty section in this year’s QS World University Rankings 2020 which examined 5,546 universities around the world. GIST ranked second in the world in 2015 and 2016, ranked third in the world in 2017 and 2018, and ranked fifth in the world in 2019 and held the first rank in Korea for 13 consecutive years, showing its global top-notch research capacity. The ‘Citation per Faculty’ is the indicator that can assess both quantity and quality of the institution’s research capacity, and the score rises when papers published by the researchers of the institution is cited by other researchers in related fields, indicating the impact of research performance is high and significant. GIST President Kiseon Kim stated, “This is the result of the devotion that researchers with excellent capabilities put into their researches in the optimized research environment of GIST,” adding, “GIST will lay the foundation for national and regional economic growth based on the educational and research capabilities in the field of artificial intelligence, such as the Artificial Intelligence Graduate School and the Artificial Intelligence Research Institute, and we will make more efforts to foster future-oriented new industries and create jobs in the region.” He also said, “GIST will establish the 'FLEX Energy Convergence Graduate School' in response to energy conversion and the Green New Deal, and it is expected to foster well-rounded individuals with master's and doctorate degrees specializing in the energy field, who will play key roles in the new global industry.”

A technology in the form of a simple patch can supply power to healthcare devices inserted into the body by using the light even while wearing clothes or at night. The research team led by School of Mechanical Engineering Professor Jongho Lee developed a flexible micro LED patch that is directly attached to the skin to transmit power within the human body.
The lack of electric energy inside the human body is considered one of the biggest constraints for the emergence of multifunctional high-performance implantable healthcare devices. For this, there have been research on implantable solar cells that can absorb ambient light and generate electricity, but they also have a limitation; they cannot generate sufficient electricity when indoors, at night, or when covered by clothes due to insufficient lighting. The micro LED patch developed by Professor Lee's research team can be attached directly to the skin to actively supply power to the implanted device that has built-in solar cells. The team created a red micro LED (wavelength: 670 nm) patch based on the fact that light in the red and near-infrared regions (wavelength: 650 nm or greater) has a relatively high penetration ratio for biological tissues. The light generated from the patch penetrates the living tissue and reaches the solar cell to generate a photocurrent. This active process makes it possible to supply power inside the body regardless of weather, indoors or outdoors, or day or night. The patch can be operated with a battery, which is widely available without complex circuitry.

The research team led by School of Earth Sciences and Environmental Engineering Professor Jin-ho Yoon confirmed that the risk of extreme precipitation such as drought and flood taking place in East Asia in the summer is increasing. With the rise of earth temperature due to climate change, the amount of water vapor that the atmosphere can hold has increased, and at the same time, the surface of the ground is getting drier as moisture is taken away to the atmosphere. Because of this, the risk of localized heavy rain and drought can increase at the same time, and in the worst case, it can lead to a serious disaster. An extreme example of such damages is the recent case of Japan. The research predicts that the likelihood of a continuous flood-heat wave or drought has increased as the lifecycle of the East Asian Summer Monsoon (EASM), which dominates the summer weather in the East Asia, is gradually becoming clearer. The team used observational data of the past 30 years and the latest climate model (Coupled Model Intercomparison Project Phase 6, CMIP 6) confirmed the trend that more rain fell in a short period of time and hot and dry period became intense and prolonged during the rainy season in East Asia, including Korea and Japan. As a result, even if the same amount of rain falls, the damage is bound to be even more severe as more rain falls in a shorter period of time. Professor Yoon said, "It is very important to understand that global warming has intensified the life cycle of the EASM, and it has increased the risk of successive extreme weather changes."