Home
Class 12
PHYSICS
What is a light - emitting diode?...

What is a light - emitting diode?

Text Solution

Verified by Experts

A light - emitting diode (LED) is a forward-biased pn - junction diode fromed from compound semiconductor materials in which light emission can take place from direct radiative recombination of excess electron-hole pairs.
Promotional Banner

Topper's Solved these Questions

  • VERY SHORT ANSWER QUESTIONS

    NAVNEET PUBLICATION - MAHARASHTRA BOARD|Exercise COMMUNICATION SYSTEMS|11 Videos

  • VERY SHORT ANSWER QUESTIONS

    NAVNEET PUBLICATION - MAHARASHTRA BOARD|Exercise ATOMS, MOLECULES AND NUCLEI|8 Videos

  • SOLVED PROBLEMS-II

    NAVNEET PUBLICATION - MAHARASHTRA BOARD|Exercise Assignments|5 Videos

Similar Questions

Explore conceptually related problems

What is light emitting diode (LED) ? Mention two important advantages of LEDs over con-ventional lamps.

A light emitting diode is

Which one of the following statement is not correct in the case of light emitting diodes?

From the information of energy band gaps of diodes, how do you decide which can be light emitting diodes?

Mention the important considerations required while fabricating a p-n junction diode to be used as light emitting diode (LED). What should be the order of the band gap of an LED if it is required to emit light in the visible region.

The light emitting diode (LED),