Difference between LED and incandescent light bulb

Definition of LED and Incandescent light bulb


What is an LED?

LED stand for light-emitting diode, LED light are not bulbs there is tiny semiconductor wrapped in plastic to protect the element and focus the light. 

What is the incandescent bulb?

The incandescent bulb is a classic light bulb. It produces light by heating a wire filament to a temperature that results in a generation of light. 

The basic key difference between LED and an incandescent light bulb is given below. 


LED Vs Incandescent 

LED called as the light-emitting diode, it is tiny light bulbs that emit light due to the movement of electrons within a semiconductor device that had a varying ability to conduct electrical current while in an incandescent light bulb is a source of light containing a thin strand of material called a filament within a vacuum filled glass bulb that uses electricity to heat the filament until it glows.

The efficiency of LED Vs Incandescent 

LED are energy-efficient light bulbs that consume 25 to 80 % less power than a traditional incandescent light bulb. LED emit very less heat, compared to the incandescent bulbs which in fact release almost 90 % of energy as heat. while on the other hand incandescent light bulb have been around for centuries and used as a common source of light and they are not efficient as LED, So the LED are the obviously the better alternative to power-hungry incandescent bulbs.

The life span of LED Vs Incandescent 

The incandescent light bulb is the least efficient with the shortest life expectancy of the common lighting types, including LEDs. The standard incandescent light bulb can last only 1000 to 2000 hours, depending on usage. But when compared to their LED counterparts life expectancy of an average LED bulb is quoted as 30000 to 50000hours which is almost 25 times incandescent bulbs so the LED bulbs cost a little more than incandescent bulbs.

Efficacy of LED Vs Incandescent 

LED is described in terms of efficacy which is the measure of lumens emitted per watt of electricity consumed. Incandescent light bulbs are the oldest type of lamp. An incandescent light bulb has efficiencies of 10 to 17 lumens per watt. A 100-watt incandescent lamp that emits 1200 lumens has an efficiency of 100, which is more than eight times higher than incandescent, so use very little electricity while emitting the same amount of light.

Cost of LED Vs Incandescent
Incandescent light is much cheaper and also easier to produce than most other forms of lighting.  LED bulbs cost more initially but it saves in energy and replacement quickly makes it's a good investment.

Related to this above post 

Difference between the LED bulb and LED fixtures 

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