A KAIST team identified the basic principle of electric wind in plasma. This finding will contribute to developing technology in various applications of plasma, including fluid control technology. Professor Wonho Choe from the Department of Physics and his team identified the main principle of neutral gas flow in plasma, known as ‘electric wind’, in collaboration […]
Aqueous Storage Device Needs Only 20 Seconds To Go
A KAIST research team developed a new hybrid energy storage device that can be charged in less than half a minute. It employs aqueous electrolytes instead of flammable organic solvents, so it is both environmentally friendly and safe. It also facilitates a boosting charge with high energy density, which makes it suitable for portable electronic […]
Low-Power, Flexible Memristor Circuit For Mobile And Wearable Devices
A KAIST research team succeeded in developing an energy efficient, nonvolatile logic-in-memory circuit by using a memristor. This novel technology can be used as an energy efficient computing architecture for battery-powered flexible electronic systems, such as mobile and wearable devices. Professor Sung-Yool Choi from the School of Electrical Engineering and Professor Sang-Hee Ko Park from […]
Vertical Micro-LEDs Used To Control Mouse Behavior Via Optogenetic Stimulation
A KAIST research team has developed flexible vertical micro LEDs (f-VLEDs) using anisotropic conductive film (ACF)-based transfer and interconnection technology. The team also succeeded in controlling animal behavior via optogenetic stimulation of the f-VLEDs. Flexible micro LEDs have become a strong candidate for next-generation displays due to their ultra-low power consumption, fast response speed, and […]
Realizing Highly Efficient Quantum Dot LEDs With Metallic Nanostructures At Low Cost
KAIST researchers have discovered a technology that enhances the efficiency of Quantum Dot LEDs. Professor Yong-Hoon Cho from the Department of Physics and his team succeeded in improving the efficiency of quantum dot (QD) light-emitting diodes (LEDs) by designing metallic nanostructure substrates. QD LEDs possess very small semiconductor light sources and are considered to be […]
Photo of the Day: Fiber OLEDs, Thinner Than A Hair
Fiber OLEDs Thinner Than A Hair
Professor Kyung Cheol Choi from the School of Electrical Engineering and his team have fabricated highly efficient organic light-emitting diodes (OLEDs) on an ultra-thin fiber. The team expects the technology, which produces high-efficiency, long-lasting OLEDs, to be widely used in wearable displays. Existing fiber-based wearable displays’ OLEDs show much lower performance compared to those fabricated […]
Highly Flexible Organic Flash Memory For Foldable And Disposable Electronics
A KAIST team reported ultra-flexible organic flash memory that is bendable down to a radius of 300μm. The memory exhibits a significantly-long projected retention rate with a programming voltage on par with the present industrial standards. A joint research team led by Professor Seunghyup Yoo of the School of Electrical Engineering and Professor Sung Gap […]
Ultra-Fast and Ultra-Sensitive Hydrogen Sensor
A KAIST team made an ultra-fast hydrogen sensor that can detect hydrogen gas levels under 1 percent in less than seven seconds. The sensor also can detect hundreds of parts per million levels of hydrogen gas within 60 seconds at room temperature. A research group under Professor Il-Doo Kim in the Department of Materials Science […]
The Medici Effect: Highly Flexible, Wearable Displays Born In KAIST
How do you feel when technology you saw in a movie is made into reality? Collaboration between the electrical engineering and textile industries has made TVs or smartphone screens displaying on clothing a reality. A research team led by Professor Kyung Cheol Choi at the School of Electrical Engineering presented wearable displays for various applications […]