Table 1.

Examples of various types of luminescence.

	Energy Supplier:	Examples
Chemi-luminescence	Chemical reactions	Glow in the dark plastic tubes, emergency light
Bio-luminescence	A form of chemi-luminescence where is the energy is supplied by living organisms.	Fireflies, glowworms
Electro-luminescence	Electric current	Certain watch displays e.g. Indiglo™
Cathode luminescence Radio-luminescence	Electron beam Nuclear radiation	CRT, televisions, Old glow in dark paints
Mechanoluminescence	Is light emission resulting from any mechanical action on a solid
Triboluminescence	Some minerals glow when rubbed or scratched	Quartz crystal.
Fractoluminescence	Caused by stress that results in the formation of fractures.
Sonoluminescence	The emission of short bursts of light from imploding bubbles in a liquid when excited by sound.
Photoluminescence	Light energy. Commonly UV or visible light. Also includes laser induced fluorescence.	Phosphors, pressure sensitive paints.