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Title: The Theory of LED and Its application
Description: An LED is a semiconductor diode (an electronic device that restricts current flow chiefly to one direction) that converts applied voltage to light.

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THEORY OF LED & ITS APPLICATIONS
The evolution of human society can be evaluated based on the lighting methods being discovered
and invented
...
Since then, humans are
on a progressive journey towards higher living standard
...
In the current human
society, long after light bulbs have been exploited to their maximum usage, energy consumption
due to traditional light bulbs in homes and offices is becoming an increasingly severe problem
faced by all countries over the world
...
An LED is a semiconductor
diode (an electronic device that restricts current flow chiefly to one direction) that converts
applied voltage to light
...
The purpose of this document is to introduce the mechanism behind LEDs and the
promising applications of LEDs in the future
...

My intended audiences are college students who are interested in semiconductor devices and
have the basic knowledge in device physics
...
A p-n junction is formed at the boundary between a P-type and
N-type semiconductor created in a single crystal of semiconductor by doping
Title: The Theory of LED and Its application
Description: An LED is a semiconductor diode (an electronic device that restricts current flow chiefly to one direction) that converts applied voltage to light.