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Everything You Need to Know About LED Display Brightness (Nits)

When clients are selecting LED displays for their projects, there are always some difficult terms that affect their decision making. For example, how to measure and find the ideal nits to ensure that your device has a bright and highly visible display is always confusing. So what information do you need to know in advance when choosing the right brightness for your screen? This article will help you figure it out.

1. What are LED screen nits?

Nit, derived from the Latin word "nitere", means to irradiate. The brightness of LED displays is usually expressed in nits. The full name of unit is candela per square meter (cd/m²). For example, the light intensity emitted per square meter of the surface is the brightness of one candela (cd). 1 nit = 1 cd/m². It means that the ratio of the light intensity in the direction of the light source observed by the human eye to the area of the light source "seen" by the human eye is defined as the brightness of the light source unit, that is, the luminous intensity per unit projection area. Nit is usually used to express the brightness of display devices. The larger the value, the higher the brightness of the display device. The screen experience is also closely related to the brightness parameter. Therefore, nit, that is, brightness, is a crucial factor in selecting a screen.

2. How to measure nit brightness?

Usually, the official website or product specification of the display manufacturer on the market will state the brightness (in nits) of the device, and you can check it there. In addition, you can also use more professional equipment, that is, a photometer or colorimeter to measure and determine the brightness of the device. First, you need to make sure that the measurement is carried out in a controlled environment to avoid interference from external light sources on the measurement results. Then place the photometer or colorimeter in a position perpendicular to the surface of the display screen, and make sure that it measures the light source of the display screen to obtain the brightness result.

3. What is the ideal nit brightness of the LED display?

Have you ever thought about why we can see the content on the LED display even in the outdoor sunlight? In fact, the brightness of the display determines the visibility of the LED display under different ambient light conditions. So what is the ideal nit brightness for indoor and outdoor applications?

Outdoor LED display

The brightness of the outdoor LED display is usually closely related to the installation location, orientation, environment, etc. of the display. If the outdoor LED display is installed facing south or south, when the direct sunlight is strong, the brightness requirement of the display is relatively high. We recommend that you need to choose a brightness generally above 5000-6000cd/m2.

Indoor LED display

The brightness of the indoor LED display can be slightly lower than that of the outdoor, mainly depending on its actual use scenario. Usually this range is around 1000-1500cd/m2;

Higher brightness is usually accompanied by higher energy consumption, so we need to find a certain balance between brightness and energy efficiency. The right one is the best.

4. How to adjust the brightness of the LED display?

The most common ways to adjust the brightness of LED displays are automatic adjustment and manual adjustment.

Manual adjustment usually uses software to adjust the brightness of LED displays. Display suppliers will provide special control software, and users can adjust the brightness of the display through the software. This method requires connecting to a computer or mobile phone, and then manually adjusting it on the software. This method is highly flexible and can be adjusted according to actual needs.

Automatic adjustment is to install light sensors on the LED display. Light sensors (photosensitive sensors) can sense the intensity of light and convert it into electrical signals. These signals are transmitted to the control system of the display, and then the brightness on the LED display is adjusted in real time according to the changes in the brightness of the environment. This method can achieve the best display effect, while saving energy and extending the service life of the equipment.

Everything You Need to Know About LED Display Brightness (Nits)

5. Conclusion

By understanding and mastering the relevant knowledge in this article, you can more confidently choose the right display for your project. Whether it is understanding the definition and measurement method of nits, or choosing and adjusting the ideal brightness, this information will be an important consideration when selecting an LED display. Reasonable brightness can not only improve the display effect, but also save energy and extend the life of the device. I hope this article can help you make more informed decisions when selecting and using LED displays, ensuring that the screen can perform well in various environments. If you have any questions about LED displays, please send us an inquiry for more information.


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