Think your tech is cool? Wait until you see what Umit Ogras is working on at Arizona State University.
"If we accomplish this, smartphones and tablets will have a new form," said the electrical engineer at Arizona State University. "You don't always carry your phone. You always wear a shirt."
Flexible hybrid electronics can be bent or stretched. Picture pulling a wand from your pocket, unfurling a scroll, and watching a movie on a desktop-size screen.
Watching TV at home? Wave your arm and change channels. In the hospital? A disposable patch on your arm will use wireless connections to transmit data about blood pressure, heart rates and other vital signs to doctors and nurses. Wear a Fitbit watch when you go for a jog? That's going to disappear into your sleeve, and it's going to have scores more functions.
Ogras, an assistant professor in the School of Electrical, Computer and Energy Engineering in the Ira A. Fulton Schools of Engineering, recently won a five-year, $500,000 early-career development grant from the National Science Foundation to continue developing flexible hybrid electronics.
"It makes wearable devices beyond watches," Ogras said. "We want to make them totally flexible."
Computers have gone from room-size in the 1950s to desktops in the 1980s to handhelds today. Ogras' research takes them into the next realm.
"The smartphone can disappear if we wear it in our clothes," he said.
Health, motion and gesture monitoring will revolutionize personal devices. Ogras envisions mute people wearing a glove that will interpret sign language and literally "voice" communication. Wheelchairs will be controlled by arm motion instead of a joystick. Maps and GPS can be incorporated into devices.
"It knows your location in the house and where you want to go," Ogras said.
Three of the biggest problems Ogras is working to crack are the cost, size and battery.
His electronics use photovoltaic cells instead of batteries. The solar panels charge a small flexible battery during the day, which powers the electronics at night. The battery is 200 times less powerful than the battery in a typical smartphone. (It's also 50 times lighter than a typical smartphone battery.) Energy harvesting is crucial.
Ogras has been working on the research for three years. He worked at Intel Corporation on smartphones — systems running on chips. His devices will run systems on polymer.
"We hope other people will start working in this domain," he said.
Source and to image: Arizona State University
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