What are LEDs, and why do they last so long?

LED stands for light-emitting diode. LEDs use a different technology than incandescent light bulbs. LEDs are the most efficient, widely available lighting technology today. They don’t have filaments that operate at extremely high temperatures that oxidize and eventually burn out. The filament of a traditional light bulb reaches about 4,600 Fahrenheit (about 2,550 Celsius). LEDs can last up to 90 percent longer than conventional light bulbs.

Do LED light bulbs go bad?

LED light bulbs usually boast a long lifespan; they do go bad. Even though LED light bulbs are more expensive than traditional light bulbs, they won’t last forever. Some manufacturers claim that LED lights will last for longer than ten years.

Why do LED light bulbs burn out?

LED light bulbs can fail differently than incandescent light bulbs. Instead of suddenly burning out, LED light bulbs get gradually dimmer.

Do LED lights degrade over time?

LED light bulbs don’t burn out like traditional light bulbs. The luminosity of LED lights gradually decreases, and they degrade over time. The loss of brightness is the result of material changes in the LED chip and clouding of the optics. Degradation is the aging process of LED light bulbs, which causes diminished brightness over time.

Why do LED light bulbs eventually burn out?

LED light bulbs are significantly more efficient than incandescent light bulbs; they are not 100 percent efficient in converting electrons into light. Because some of the power still comes out as heat. This excess heat collects in the neck of the LED bulb above the socket. As the heat builds to a high temperature, it also increases the temperature of the air inside the light bulb. The chips and capacitors degrade under higher than normal temperatures. If there is insufficient ventilation, the LED light bulb could fail.

What is lumen maintenance?

LED maintenance goes beyond changing light bulbs. Incandescent light bulbs burn out immediately, going from full lumen output to zero output. Lumen maintenance refers to how much of the luminous flux remains in an LED light bulb after a given amount of operating hours. It is expressed as a percentage of the LED light bulb’s original output.

How long do LED lights really last?

LED light bulbs have an extremely long lifespan. They are designed to last about fifty times longer than traditional light bulbs. High-quality LED light bulbs are engineered to last for up to 50,000 hours.

How long do LED lights last on average?

Unfortunately, we don’t have a very accurate measure of the average lifespan of an LED light bulb. The lifespan of an LED light bulb depends on various factors. LED lights are expected to last between 10,000 and 50,000 hours.

Do LED light bulbs really last ten years?

As LED light bulb technology stands today, the 10,000-hour lifespan may be a stretch. Many LED light bulb manufacturers claim to have a ten-year lifespan. As always, the details are in the fine print. If you carefully read the warranty documentation, you will find things like “the ten-year lifespan is based on only using the light bulb for three hours a day.”

Don’t let claims fool you. Read the fine print before you really believe manufacturers’ claims.

Factors can shorten the lifespan of LED light bulbs:

  • Power supply – For maximum lifespan, LED light systems require a stable power supply. If the power supply fails to control and regulate current, it will shorten the lifespan of your LED light bulbs.
  • Excessive heat – Try to shield your LED lights to protect them from extreme heat. Protect your LED lights from heat sources such as furnaces and heaters. The new generation of LEDs have heat sinks to prevent lumen depreciation. In higher-than-expected temperatures, LEDs, like many other electronics, are known to underperform. Cold weather isn’t a problem for LED lights. LEDs thrive in the cold due to less thermal stress is put on the diodes and driver.
  • Power cycles – Every time you power on your LED lights, you are impacting the lifespan of your unit. LED light bulbs that are turned on frequently will fail sooner.
  • Capacitors – Higher ambient temperatures can shorten the lifespan of the plastic capacitors. Ceramic capacitors have a longer lifespan.
  • Poor design and suboptimal parts – Poor design and suboptimal heat sinks could result in LED light bulb burnout.

What are the reasons my LED light bulbs aren’t lasting?

The primary reason for LED light bulbs not lasting is an incorrect usage. If misused, LED light bulbs can fail faster than incandescent light bulbs.

Ways to extend your LED light bulb’s lifespan:

  • Operate LEDs for shorter periods. LEDs left on for longer hours have a shorter lifespan.
  • Use a timer if you tend to forget to turn off your LED light bulbs.
  • Only use LED compatible dimmers because not all dimmers are universal. The incorrect dimmer could cause an early failure. Check with the manufacturer to make sure the dimmer you are buying is LED compatible.
  • Allow LEDs time to cool down before you turn them on again.
  • Make sure that you are buying the appropriate LED for your environment. It is the best way to ensure that the LED light bulb will perform in your current space, climate, and environment.
  • Avoid switching LEDs on and off frequently.

Can LED lights be left on 24/7?

Technically speaking, high-quality LED light bulbs are extremely long-lasting and can be left on 24-hours, 7 days a week. But, should you leave an LED light on 24/7? LED light bulbs can last up to 50,000 because LED light bulbs operate cooler and safer than incandescent light bulbs. This means that LEDs are extremely safe and ideal for extended use. But if LED light bulbs are not being used, leaving them on is a waste of energy.

Why should you buy ENERGY STAR certified LED light bulbs?

Light bulbs that do not qualify for the ENERGY STAR may not perform as expected. LED light bulbs that earned the ENERGY STAR certification are subject to specific requirements created to replicate the experience consumers are used to with traditional light bulbs.

ENERGY STAR certification covers the following areas:

  • Minimum light output to make sure the LED light bulb provides enough light.
  • Light distribution requirements to make sure light reaches where you need it.
  • Five different color quality requirements
  • Verified compliance with more than 20 performance and labeling requirements.
  • Testing to backup lifespan claims.
  • Operating environment testing.
  • 3-year minimum warranty requirement.

What are some myths about LED lighting?

LED light myth #1 – LED lights last forever.

It is true that LED lights are designed to last longer than traditional light bulbs; they don’t last forever.

LED light myth #2 – LEDs don’t get hot.

It is true that LEDs give off less heat than traditional light bulbs; they can get hot.

LED light myth #3 – LED lights aren’t as bright as traditional lights.

They emit no less light than traditional light bulbs. And they use much less energy than conventional light bulbs.

LED light myth #4 – LED light quality is poor.

The “Colour Rendering Index” (CRI) of LED lights is between 75 and 85. The CRI of daylight is 100.

LED light myth #5 – LEDs can damage your eyes.

LED lights are no more dangerous than any other artificial light source. The intensity of LEDs is comparable to incandescent light bulbs.

LED light myth #6 – LED light bulbs don’t work in extremely cold environments.

LEDs work well in extremely cold environments and might even last longer when used in cold temperatures.

LED light myth #7 – LEDs contain hazardous materials.

Unlike fluorescent light bulbs, high-intensity discharge (HID) bulbs, and neon/argon lamps, LEDs don’t contain mercury.

How to convert LED light bulb lifespan hours to years?

Before you buy an LED light bulb, check its lifespan. You can calculate the lifespan of an LED light bulb the following way:

Lifespan Hours – (Days of Week) x (Hours a Day) x (Days a Year)

If you purchase a 10,000-hour LED light bulb, and you use it for 5-hours a day seven days a week, it should last about five years.

How to calculate LED lifespan?

Lifespan Hours – (Days of Week) x (Hours a Day) x (Days a Year)

Led lights are supposed to last for a very long time, but mine don’t last long, what am I doing wrong?

It is possible that you are not doing anything wrong. Often, poor quality LED lights are sold on the market. First, you should confirm that it is indeed the led light bulbs that failed or the power supply.

As with most electronic components, heat is the enemy. LED light bulbs are highly sensitive to heat. Many LED light bulbs fail because of excessive heat. This is entirely out of your control, so you are not doing anything wrong there.

LED light bulbs also fail due to inrush current. Inrush current occurs when you switch on the LED lights. Low-quality components are more susceptible to inrush current than high-quality LED light systems. The best way to prevent LED light failure due to inrush current is to buy Energy Star rated LED lamps.

It is clear that when it comes to lifespan, LED light bulbs outperform incandescent light bulbs by a long shot. From everyday indoor use to Christmas lights, regardless of the use case, LED light bulbs are ideal for extended use. If there is a situation where you need the light on permanently or for prolonged use, it makes sense to use LEDs. You will save on your energy bills and reduce your carbon footprint.