+A phosphor is a substance that absorbs energy and re-emits it as [Light](/wiki/light). This phenomenon, known as [Luminescence](/wiki/luminescence), allows the material to glow without significant heat. They are essential components in display screens and glow-in-the-dark items, converting various forms of energy into visible light.
+## See also
+- [Fluorescence](/wiki/fluorescence)
+- [Phosphorescence](/wiki/phosphorescence)
+- [LED](/wiki/led)
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