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All You Need to Know About LEDs


LED or Light Emitting Diode is a technology boon in the lighting industry. This invention has a huge potential to change the lighting industry for the better. LEDs have various advantages. From energy efficiency to sustainability and flexibility, they have some impeccable characteristics. Moreover, they are appropriate for many lighting applications and spaces. 

However, to make full utilisation of this revolutionary lighting option, you must know everything about it. To help you out in the same, this post will be all about understanding LEDs, their different types, usage, etc. 

Without further ado, let’s first know the definition of LED lighting.

What is an LED? Explained!

An LED is a type of luminaire which works by transforming electrical energy into light. The diode only functions in one direction, which enables an LED to emit light when the electricity flows in the direction from anode to cathode. 

Furthermore, these luminaires are tiny lighting solutions and do not require much power for operation. 

The life span of LEDs

Generally, the life span of LEDs lasts longer than incandescent and compact fluorescent lighting (CFL). Furthermore, they do not burn out or fail. Instead, they may suffer from lumen depreciation which results in fading or dimming of the illumination after reaching their life expectancy. To be specific, their lifetime is established on the basis of the prediction, i.e. when light efficiency decreases by 30%. 

Do LEDs heat?

Whether you are considering LEDs to include in your indoor or outdoor commercial lighting systems, one thing is sure you will never experience heating issues. They utilize heat sinks to absorb the heat produced by the Light Emitting Diode and further dissipate it into the surrounding environment. As a result, LEDs do not burn or emit heat. Thermal management is the sole reason for making LEDs foolproof against overheating. 

Types of LEDs available in the market

There are many types of LEDs available. We have mentioned some of the important LED lighting solutions. Read further to discover the same.

Miniature LEDs

  • These are now primarily utilized LEDs. They come in small sizes and are only offered in one shape and colour. 
  • They do not require the use of heating or cooling equipment before being inserted into a circuit board.
  • Depending on a number of variables, including voltage, total watts, current, and manufacturer type, Miniature LEDs are categorized as low-current, standard, and ultra-high output.
  • Remote controls, cell phones, and calculators, are some small appliances to employ miniature LEDs.

Flash LED

  • Flash LEDs are standard LEDs with an integrated circuit to produce flashes at a frequency. They do not require a series of resistors because they are linked directly to a power source. 
  • They are used in automobiles, signboards, etc.

Red Green Blue LEDs

  • These LEDs emit red, green and blue colours and at the same time allow these primary colours to blend and produce a new colour. 
  • They are majorly used in accent lighting, status indicators and light shows. 

Furthermore, Alphanumeric, Bi and tri-colour LEDs are some other types to explore and benefit from. 


LEDs are now utilised in almost every space. From street lighting solutions to indoor illumination and outdoor security enhancement, they have marked their footprints everywhere. 

Lighting professionals also claim that LEDs are the new illumination technology to ace the ambience of a space. They also see LED lighting as having a  futuristic vision due to its integration with smart controls, Human Centric Lighting, Light fidelity, and Power over Ethernet.

For in-depth knowledge about the history and evolution of LEDs in India, one can always get in touch with some reliable light experts or industrialists. They are the right point of contact for resolving your doubts and queries. 

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