Sources of light
Category
Type
Electrical resistance
Incandescent light bulb | Carbon arc lamp | Nernst lamp
High-intensity discharge
Fluorescent lamp | Neon lamp | Mercury-vapor lamp | Metal halide lamp | Sodium vapor lamp | Xenon arc lamp | HMI lamp | Ceramic Discharge Metal Halide lamp
Electroluminescence
Solid-state lighting | Light-emitting diode (LED) | Organic light-emitting diode | Polymer light-emitting diode
Chemical
Fire | Candle | Kerosene lamp | Lantern | Oil lamp | Gas lighting | Acetylene / Carbide lamp | Limelight | Davy lamp | Rushlight | Chemoluminescence (Lightstick)
Radioluminescence
Self-powered lighting | Cherenkov radiation | Radium (Watch dials) | Tritium
Biological
Bioluminescence | Firefly
Atmospheric
Lightning | Polar aurora | Daylight
Celestial
Astronomical object | Sunlight
Other
Black light | Carbon button lamp | Globar | Hollow cathode lamp | Inductive lighting | Laser | Sonoluminescence | Sulfur lamp | Synchrotron | Xenon flash lamp | Yablochkov candle | Phosphorescence | Photoluminescence