What Is Low Blue Light Technology? [2024 Guide]

Are you worried about the effects of blue light on your eyes and want to know what technology helps you with this concern? So, here appears LBL technology, or Low Blue Light Technology, to enable you to protect your vision. In recent years, screen usage has increased immensely, from normal people to professionals. 

Research has shown that the short-wave blue light, which ranges from 415 to 455 nm, is directly linked with eye trauma. The blue light, which possesses high energy, passes through the cornea to affect the retina. 

If you continue using blue light with high points for many hours, it causes eye health-related issues like dry eye, cataracts, eye strain, and age-related macular degeneration. 

To prevent these harmful effects of blue light, LBL technology was invented. Here’s the Low Blue Light Technology-related input clear to you; let’s have a glance over it.

Why & How Does Blue Light Affect? 

Low Blue Light Technology
Source: BenQ

More simply, you can understand that a wavelength that is longer in the light spectrum emits less energy, and so has less effect. The longest wavelengths are red, which has the safest effect.

The visible spectrum’s opposite end is made up of blue and blue-violet. They emit more energy as a result of having shorter wavelengths. Because of this short wavelength, blue light is risky.

However, a lot of technology emits blue light, with computer and phone screens being the most popular examples. Although the blue light from these displays is not as strong as the blue light from the sun, most individuals are exposed to screens more frequently than they are to the sun. 

Unbelievably, some people avoid being outside in the sun altogether because they are glued to their phones or computers. People spend a great deal of time staring at screens, and the blue light from the sun is virtually always the result.

What Effects Blue Light Cause to Eyes & Mind?

What Effects Blue Light Cause to Eyes & Mind

Is it true that It passes through the eyes? Yeah, Many people are unaware that the eyes easily absorb blue light. It goes all the way back to the retina, specifically through the cornea.

Blue light is something that everyone must deal with unless there is blue light screen protection, unlike UV rays which human eyes can easily shut off.

An excessive amount of exposure might harm the eyes. You’ve probably already heard that too much screen time can damage your eyes. Yet how? The blue light is to blame. Screens emit blue light, and if you stare at them for longer than four hours each day, you run the risk of developing macular degeneration as you age for sure.

Blue light can strain the eyes. You will always experience eye strain before you detect your eyes aging. Warm eyes, weariness, and even headache are symptoms of eye strain. Migraine headaches and real discomfort around the eyes are examples of more severe symptoms.

Blue light is not entirely detrimental, despite all the negative impacts that have been highlighted. In reality, it supports both sleep cycles and alertness. Because blue light is perceived by the brain as similar to sunlight, being exposed to blue light during the day will keep you alert and upbeat.

What Is Low Blue Light Technology?

Blue light exposure is unavoidable, especially if everyone uses a computer or a phone; hence low blue light (LBL) technology was created.

LBL technology removes the blue light from screens, making them less dangerous to people. In other words, the LCD panels you use don’t include the entire visible light spectrum since the blue light is removed. They will still exist, but you won’t be able to see them with your eyes.

How does Low Blue Light Technology Work?

How does Low Blue Light Technology Work
Source: BenQ

Those sensitive to blue light can experience eye strain; however, displays using LBL technology filter out the dangerous blue photons. Having problems falling asleep after exposure to low blue light before bed is another typical symptom that individuals report.

A low blue light filter is present in practically all current monitors. You can locate it in the OSD (On-Screen Display) menu of the display; seek a setting called “Low Blue Light” or something similar.

Some monitors may apply a low blue light filter to specific picture presets, including Reader Mode, Eye Saver, Text Viewing, Paper, and similar ones.

Enabling the LBL mode/preset may or may not alter the screen’s brightness, depending on the monitor. If not, remember that choosing the proper brightness level is equally essential for a pleasurable viewing experience. You should turn down the brightness in less lit areas and turn it up in well-lit areas.

Last but not least, you can manually reduce the emission of blue color in the monitor’s color temperature settings if you have an older monitor without Low Blue Light Technology.

How To Determine Low Blue Light Benefits You?

You may think, is low blue light technology enough to avoid all eye hazards caused by blue light? 

There isn’t a simple answer to this because many factors, like how much sleep you get, the lighting conditions at work, how well you take care of your eyes, your genetics, etc., affect your general optical health.

However, LBL is a fantastic approach to maintain the health of your eyes further, particularly if you use screens at night. LBL technology, for instance, can reduce the amount of light that tells your brain it’s daytime when you read or browse at night. You’ll be able to sleep more easily as a result.

Naturally, it would be best to keep in mind that LBL modifies your screen’s contrast and brightness. LBL technology may not be the best for creating art or playing video games. Only those reading or writing on their devices will benefit from this technology.

Preventing eye injury is generally preferable. LBL is one approach to protecting your eyes, so if you’re looking for a new device, check out its brightness settings.

What Factors Add Value Along with LBL Technology?

1. Flicker Free Monitor

Reason: Direct current (DC) decreases the backlights of flicker-free monitors progressively.

2. Anti Glare Screen

Reason: To get rid of reflections, a monitor’s screen should have an appropriate anti-glare coating.

3. Night Light Feature

Reason: It’s easy because a built-in Night Light option in Windows can help cut down on blue lights.

4. Take Breaks

Reason: Every hour or so, taking even a brief 5-minute break is really helpful.

5. Blue Light Preventing Glasses

Reason: If you possess older versions of monitors that have no latest feature to protect your vision, use Blue Light Blocking Glasses.

Do You Need LBL Technology Screen?

BenQ GW2780 Review

It depends on you. A screen engineered to emit less blue light is said to be low blue light. This is because prolonged exposure to blue light can cause eye strain, sleep troubles, migraines, and other health problems.

Your eyes will rest easier, and your vision will be protected thanks to the low blue light display. Many gadgets, including monitors, laptops, tablets, and smartphones, now have low blue light panels.

Various variables can impact a low blue light screen’s quality. The contrast ratio and color gamut are the two most crucial variables.

How do low blue light monitors work?

Low blue light monitors work by filtering out or reducing the blue light emitted from the screen. They achieve this through hardware adjustments or specialized coatings, which help decrease blue light exposure, promoting better eye comfort and healthier sleep patterns.

Wrap Up

Without taking rests, staring at a screen for prolonged stints of time can lead to headaches, eye fatigue, and long-term damage to your eyesight. But thanks to technology, the most contemporary monitors include features like Low Blue Light (LBL) technology that can stop this.

But there are some other aspects that you should consider too. You’ll want to turn off Low Blue Light Technology if you’re playing a game or viewing movies because it will influence the image quality, but you must have other precautions.

To minimize eye fatigue, Low Blue Light Technology lowers the production of damaging blue lights on a display.

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