LED's, what is it? LED: (Light-emitting diode) is an electric device that allows current to go in one way. LED uses a special material called semiconductors. - ppt download
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![Polymeric materials used in secondary optical parts in LEDs [14]. | Download Scientific Diagram](https://www.researchgate.net/publication/330676601/figure/fig4/AS:720076374298627@1548690994782/Polymeric-materials-used-in-secondary-optical-parts-in-LEDs-14_Q640.jpg "Polymeric materials used in secondary optical parts in LEDs [14]. | Download Scientific Diagram")
Polymeric materials used in secondary optical parts in LEDs [14]. | Download Scientific Diagram
![Polymeric materials used in secondary optical parts in LEDs [14]. | Download Scientific Diagram](https://www.researchgate.net/publication/330676601/figure/fig4/AS:720076374298627@1548690994782/Polymeric-materials-used-in-secondary-optical-parts-in-LEDs-14.jpg "Polymeric materials used in secondary optical parts in LEDs [14]. | Download Scientific Diagram")
Polymeric materials used in secondary optical parts in LEDs [14]. | Download Scientific Diagram
LED Lights - How it Works - History
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Graphene in LED Lights
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