Organic light emitting diodes or OLEDs are heralded as the future of LCD technology, for its ability to turn electricity into light with very little loss of energy, making them appear brighter and more efficient. Scientists decided to think backwards and realized if you reversed the process, (light turning into electricity), you get a photovoltaic cell. They put that theory to the test and found OLEDs can not only generate light but also recover some of the energy lost by turning light back into electricity. Just think about it! Imagine your cell phone screen bright as it wants to be, when it's in idle mode, the screen captures ambient light and recharges your battery. The same tech can apply to everything from TV's to windows. Soon, OLEDs will offer both low-cost lighting and low-cost energy production.
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