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LED’s. By Chris Visser. How it is made. http://www.ssl4.eu/12/LED--production--OSRAM.html. What is it made of?. Today’s LEDs have Indium tin oxide which makes the LED a lot brighter and last longer.

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led s

LED’s

By Chris Visser

slide2
How it is made
  • http://www.ssl4.eu/12/LED--production--OSRAM.html
slide3
What is it made of?
  • Today’s LEDs have Indium tin oxide which makes the LED a lot brighter and last longer.
  • Indium tin oxide is transparent and colorless but when you put infrared light on it, it turns into a mirror of what color you are trying to get
  • This is one of the most used oxides because of all its properties and what it can do
  • http://en.wikipedia.org/wiki/Indium_tin_oxide
what s it made of cont
What’s it made of cont.
  • The main part of it is chips in it that shoot around electrons to different parts to emit light.
  • They started making LED’s around WW2 and kept on finding new technology.
  • Today’s LED’s are used in a lot of products because of how bright they are.
  • http://en.wikipedia.org/wiki/Light-emitting_diode
how does it work
How does it work?
  • LED’s don’t have a filament which means they wont burn out and they don’t get really hot.
  • They work mainly by the movement of electrons in a semiconductor
  • They last a very long time and go far past any other light bulb life
  • There are little chips in each one that throw around electrons that make light. They are replacing many light bulbs because of how well they work.

http://www.howstuffworks.com/led.htm

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