What is the nit brightness on laptops, TVs, phones? How much is enough?

Nit brightness, also known as “luminance”, is one of the important parameters on the screen of electronic devices such as televisions, laptops, phones, computer monitors,… To know screen brightness What is the nit image on the devices and how much nit is enough when using it, let’s go to Dien May Xanh to find out through the article below!

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What is screen brightness nit?

Nit is often used as a unit for the brightness of the screen on electronic devices such as laptops, mobile phones, televisions, computer monitors, … Screen brightness nit (also known as brightness/ luminance ) is understood as the illuminance of the screen in front of human eyes.

Screen brightness nit is specified: 1 nit = 1 cd/m2 = brightness emitted by 1 candle shining on a plane with an area of 1 m2. This is also considered a parameter to measure the intensity of light emitted on the screen, the higher the index, the greater the brightness intensity and the clearer the display will be.

For example: A laptop with a screen brightness of 500 nits means that the screen has a brightness equivalent to the intensity of light emitted by 500 candles shining on a plane of 1 square meter.

The meaning of the nit brightness parameter on the screen

The higher the nit , the brighter the screen . If you have a need to use the screen in places with strong light, shining directly on the screen, the high NIT will benefit a lot, limiting glare and shadows.

The nit brightness for the screen is very important, but it is only important in cases where you need to use the device in places with strong light intensity.

Is the nit adjustable?

Normally, today’s electronic devices such as televisions, smartphones, and laptops are equipped with an automatic brightness adjustment feature, that is, you can easily adjust the screen brightness of the device through the driver of the device. each device. This will help protect the user’s eyesight in many different cases.

On smartphone devices, the screen brightness is often easily adjusted by pulling up or down the menu bar (depending on different products) and then adjusting it arbitrarily. For Window 10 screens, you choose Start Menu – System – Display or the keyboard shortcut Fn + F4 / F5 to adjust the appropriate brightness.

For MacBooks, select Apple Menu – System Preferences – Display and then adjust the brightness via the Brightness bar.

In addition, the NIT dimmer feature also helps electronic devices save more power than usual. Therefore, when choosing to buy electronic devices, you should pay attention to the automatic brightness adjustment feature.

How does Nit affect image quality?

While brightness is important to the screen, it only determines the display’s ability to illuminate and display under different conditions. The quality of the screen depends on many other important factors such as: The source, the resolution of the screen panel (the higher the resolution, the better the picture), the pixel size (the smaller the size, the smoother and sharper the screen). the higher),…

Disadvantages of high screen brightness

The higher the screen brightness, the more important it is, but there is still a disadvantage that comes with maximum screen brightness, which is the power consumption is greater than usual. This is understandable when you want the screen to be brighter, the power level and battery life of the laptop and phone will also be more expensive, and the computer screen and TV will consume more power.

The higher the brightness, the faster the temperature when using the device will also increase when the brightness is low. However, the temperature of the machine is not a concern because the cooling systems of the current manufacturers are also invested and have very good efficiency.

Common screen brightness

From 200 nits to 300 nits

Most laptop screens today have a brightness of between 200 and 300 nits . This is the most common brightness of the screen commonly found on laptop products, the screens of students, office workers, allowing clear display in normal lighting environments such as on companies, office, living room,…

From 300 nits to 500 nits

This is the screen brightness that often appears on laptops, mid-range phones, graphic-technical laptops, computer monitors, making it possible to display clearly outdoors or in places with low light intensity. too high.

From 500 nits to 600 nits

500 nits to is the optimal screen brightness for laptops, computer screens, often equipped on gaming laptops, high-end laptops or Macbooks. This brightness optimally serves the user’s needs, giving clear images in most lighting conditions.

From 600 nits to 1500 nits

In high-end phone products, good quality TVs have been equipped with screen brightness of up to 1500 nits , this screen brightness has outstanding quality in different lighting environments including strong sunlight.

From 1500 nits and up

Screen brightness of 1500 nits or more is available on products such as high-end TVs, iPads for screens with superior brightness, you can completely use them outdoors, where there is a high light source. These products are mainly for designers who often work in construction sites, where there is direct light.

How much nit brightness on the screen is enough?

How much screen brightness is enough will depend on many factors , including: Ambient light, preferences or your eye comfort. Everyone’s eyes and preferences are different, so it’s hard to find an exact number for screen brightness.

Screen brightness will more or less affect the quality of your work and visual health, working with too high screen light for a long time will make your eyes quickly get tired. Normally for laptops, the screen brightness from 120 nits to 180 nits is just comfortable enough for your eyes. And in dark room conditions, the laptop screen brightness only needs to be at about 80 nits , you can clearly see the content displayed on the screen.

And when you are going out for coffee with friends or at outdoor activities, where there is high direct light on the screen, the necessary brightness of 300 to 500 nits is enough to avoid the image being blurred. dim, dark, annoying for users.

Above is all the most basic information about nit screen brightness and how much nit is enough, hope the above article will help you. If you have any questions, please leave a comment below for Dien May Xanh to discuss!