Journey of
Lighting System
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1. By Fire Torch
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Used in ancient time for a long long period
2. By Earthen Lamp
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Used in ancient time & found traces in Ramayana when Lord Rama returned to Ayodhya after defeating Ravana
3. By Oil Lamp
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Was being used for many years till recent past
4. By Electric Incandescent Bulb
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Invented by Thomas Edison in 1879
5.By Fluorescent Lamp
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Invented by Edmund Germer in 1935
6. By CFL (Compact Fluorescent Lamp)
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Invented by Edward Hammer in 1976
7. By LED (Light Emitting Diode)
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Invented by Nick Holonyak Jr. in 1962
8. Plant Grow LED
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This LED light helps to grow plants artificially
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Thanks