Indium oxide is a chemical compound made up of indium and oxygen, with the formula In2O3. It is a white, powdery substance that is often used in electronics and optics due to its unique properties. Indium oxide is a semiconductor, meaning it can conduct electricity under certain conditions, making it useful in applications like touchscreens and solar cells. In addition to its electronic applications, indium oxide is also used as a transparent conducting film in various devices. Its ability to allow light to pass through while conducting electricity makes it valuable in the production of flat-panel displays and LEDs.