<ul><li>South Korean scientists from POSTECH have developed the world's first OLED panel that can change its shape and work as a speaker.</li><li>The technology uses a thin, flexible material called a piezoelectric polymer actuator to enable the screen to bend into various shapes and produce sound.</li><li>Unlike current flexible screens, this innovation eliminates the need for additional hardware like hinges or motors, making devices lighter and more versatile.</li><li>This breakthrough could lead to the development of smartphones, wearables, and soft robots with shape-shifting screens and built-in sound capabilities.</li></ul>

Scientists create shape-shifting smartphone screen that also speaks

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