How To Make LED Light Brighter [COMPLETE GUIDE]

Brightness is considered a key factor when it comes to LED lights.LED lights have an upper hand on all other lights due to their high-quality brightness.

The brightness of LED lights is measured in lumens which are considered the amount of light emitted per second.

The brightness of LED lights is affected by many different factors like size and number of LED power sources, voltage, etc. which results in the dimming of your LED lights.

Here in this article, we will help you to find what are the reasons behind the dimming of your LED light and provide you with a step-by-step guide on how to make the LED light brighter according to your requirements. Hopefully, it will help you.

how to make a led light brighter

Science of LED Light Brightness 

LEDs are a type of semiconductor diode which means current passing through them will produce light. LEDs are used in light fixtures for lightning purposes. LED lights have built-in LEDs that are a permanent source of brightness. The brightness of the light is determined by the amount of current passing through these LEDs.

An increase in constant current flow will make LED lights brighter. Lumens are the standard way used to measure the quantity of brightness of LED lights. The brightness of LED light depends upon the voltage applied to them and the number of LEDs used in light fixtures to give maximum brightness.

Why LED Lights Lose Brightness  

The brightness of LED lights lasts much longer than other lights but sometimes its luminosity may decrease which leads to the dimming of LED lights. There are many reasons behind the decrease in the brightness of LED lights. Let’s have a look at some general reasons.

1) Aging 

Aging could be one of the reasons for losing the brightness of LED lights. Over a period LED slowly loses luminosity and its brightness is degraded

2) Poor Quality

Bad-quality lights get dimmed earlier and are not able to maintain constant brightness for a longer period. The material used in LED lights has an impact on light output degradation.

3) Unsecured Connection

Sometimes unattended connection of fixtures of lights may result in the dullness and lifelessness of LED lights. If the connection is lost and the current is not passing properly then it will ultimately result in a decrease of brightness of lights.

4) Environmental Conditions 

Another reason for losing the brightness of LED lights could be increased temperature, moisture, or dust.

5) Overdriving

It could be one of the major reasons for the failure and dimming of LED lights. Over-driving means applying extra current that exceeds the limit of LED design to handle. Over-driving causes the LED to draw more power which in turn decreases voltage and correspondingly drops the brightness.

6) Poor Thermal Management

LED lights produce less heat but will require proper thermal management to make that heat sink properly otherwise heat buildup in LED lights will cause them to lose brightness earlier.

Making the LED Light Brighter

It is possible to make LED lights brighter without compromising energy efficiency. LEDs are powerful and versatile sources of lighting. There are several ways to make your LED lights bright enough. You could do it by boosting up the power or voltage of your light. Also, there are a lot of other ways to make your LED lights brighter which we have covered in this article to help you in this regard.

Different Methods for Making the LED Light Brighter

The following are the easiest, most effective, and most affordable ways you can use to make your LED light brighter.

1)Increase the Current

The brightness of an LED light can be increased with the rise in current flow through LEDs. It is a temporary method of increasing brightness and cannot be used for a longer period. One should always take care while doing that because  LEDs can start to overload and burn out.

2) Upgrade LED drivers 

LED drivers are the devices that provide power to LEDs. They regulate the current and voltage which is applied to LEDs and protect against voltage fluctuations. These drivers also affect the brightness, color, and longevity of LED lights. By upgrading LED drivers your light will get an optimum and stable source of light that will result in increasing brightness of lights. Upgrading LED drivers to more efficient and advanced ones will ensure that LEDs are receiving the correct amount of current and operate at optimal levels.

3) Increase the Number of LEDs 

LED lights have special LED chips attached that emit a certain amount of light and give brightness. LEDs are the primary components of lights; they are responsible for producing light and are much more energy efficient. By increasing the number of LEDs in your light you can get a brighter visible light. But it should be done exclusively and always ensure that current and voltage are balanced to avoid any damage.

4) Use a Diffuser 

Diffusers are used when there is a need for softer and less harsh bright light without being irritating to the eyes. Diffusers are used to increase the brightness of LEDs. They help to scatter the light and give a softer and brighter lumination. The best type of diffuser is made up of transparent material like glass.

5) Choose a Cooler Color Temperature 

If you want your LED to become bright then always prefer a cooler color temperature like blue that tends to emit brighter white light. If your light contains a warmer color temperature then frequently switch to a cooler color temperature for brighter light.

6) Properly Screwed

Sometimes the deterioration of LEDs’ brightness occurs due to improper attachment of lights with their fixtures. When lights are not tightly attached to sockets it will get dim so LED light must be screwed firmly with fixtures to get optimum performance.

7)Increase Space Between Lights

Another reason for the low brightness of LED lights is that they are installed so close to each other and cannot spread light thoroughly for that purpose. Try to increase the space between your lights so that light is widely spread out. This will visibly cause an increase in the brightness of your LEDs. 

8) Use a Magnifier Lens

To increase the brightness of your LEDs you can use magnifying lenses. Magnifying lenses can increase the brightness of LEDs by focusing the light into a smaller area, which can make it appear brighter. When light passes through a magnifying lens it will be refracted and make it brighter. Magnifying lenses can also help to reduce the amount of light that is lost due to reflection or scattering, which can further increase the brightness of the LED.

9) Add LED Strips

Adding an extra LED strip to your light is an easier and simplest way to get increased brightness. Having multiple strips will help to distribute light evenly, and make it brighter by reducing the appearance of shadows. You can get it easily from any nearby electrical store.

10)Use Better-Quality LED lights

To fulfill the need for increased brightness always use high-quality lights that can provide optimal lumination for a longer period. For brighter light always choose LEDs with greater numbers of lumens which are indicated on the packaging label.

11) Alternative Power Supply

If you are not satisfied with the brightness of your LEDs then try another new power supply to get a brighter light. You can get a different power supply with different advantages and drawbacks. You will need to choose one according to the need of your light after consultation. Always choose a power supply that can provide you with higher wattage.

12) Use a Brightness Control 

To increase control of the brightness of your LED light use a brightness controller. It is a device that allows control of the brightness of your LED lights without bringing any change in the power supply. You can easily increase the brightness of your LEDs with the help of these controllers. There are many different ways to control the brightness including the use of a microcontroller, dimmer switch, and remote controls.

13) Clean Your LEDs 

If your LED light is fixed in an area where there is dust then strips of LED may get covered with dust and other particles that block the diffusion of light and result in diminishing brightness. Cleaning you’re led will help you to regain their usual brightness. While cleaning use a soft lint-free cloth and a mild cleaning solution.

14) Reflective Surface

If you are feeling that your light is not giving enough brightness then make sure that the place where you have installed your light is reflective enough. The light will not be bright enough if the surface is not reflective. The reflective surface will bounce the light around, which will make the area appear brighter. For that you can use whiteboards, aluminum foil or even mirrors could be a good choice to make your light brighter. The reflector will help to direct the light from the LED in a specific direction making it brighter.

Maintenance Tips for LED Lights

Like all other appliances LEDs also require maintenance to work efficiently. Here are a few general tips for you to keep up the maintenance of your LEDs so that you may not get hooked up by problems like decreased brightness and lifespan.

The following maintenance tips will help you to make your LEDs brighter and keep looking the best.

  • Increase the voltage
  • Increase the wattage 
  • Always check your LED strips
  • Clean your LEDs 
  • Replace the batteries 
  • Install diffuser 
  • Install reflector backing 
  • Install accessories 

Frequently Asked Questions (FAQs)

 Why Do LED Lights Get Dim After Some Time?

There are certain reasons behind the decrease in brightness of LEDs like dust and dirt, overhearing, poor quality, and aging of lights. This can cause LEDs to dim and flicker prematurely. Along with that many environmental factors like high temperature, humidity, and moisture can affect the health of LEDs.

How to Fix Dim LED Lights?

You can fix the brightness of your LEDs and make them brighter by using a diffuser and adding new LEDs to it. Also dimming of lights can be controlled by increasing voltage and using a reflective surface.

How to Control the Brightness of LED lights?

You can have complete control over the brightness of your lights by using controllers; these controllers are dimming switches and remotes. By using different controls you can change the brightness of your LEDs without bringing any change in the power supply.


LED lights are the most innovative and attractive technologies of recent years and are widely used. Along with many advantages, there are also some drawbacks like a decrease in brightness. But there is nothing to be worried about, you just have to get good guidance like in the above article. There are various ways to make LED lights brighter.

You can fix the brightness of your light by doing simple steps like increasing voltage and wattage, cleaning your light, adding a diffuser, and using a reflective surface.

When attempting to make LED lights brighter, it is important to choose components that are compatible with your LED and that meet your specific needs in terms of performance, energy efficiency, and other safety factors.

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