LED display dot spacing and line of sight calculation analysis

LED screens are new media technologies that have just emerged around the world in the 1990s. Compared with other technologies, LED screens are inherently energy-saving and environmentally friendly, with bright colors, stable display, and wide viewing range, which make them quickly applied in many fields. In particular, its high brightness, large screen and long life make it quickly become an irreplaceable position in the field of outdoor display.

However, the LED screen also has a natural "defect", that is, the pixel spacing is too large, the picture is not delicate enough, in general, it can not afford to look carefully, which is why the LED screen is used in the stage where the viewing distance is far away. Reasons for places such as squares. This fatal flaw makes the LED screen not comparable to the LCD and other display screens, so it is rarely involved in indoor display.

However, all this is not conclusive. In recent years, with the advancement of technology, LED display technology has also made great progress, the most gratifying of which is that LED screens with smaller pixel pitches have been continuously developed. According to reports, the company adopted a revolutionary common cathode technology, making this product called Magnolia the most advanced and high quality resolution LED display with 1.50mm pixel pitch and 2000nits brightness. The significance of this technology is that it allows the LED screen to have a smaller pixel pitch, making the picture more delicate, which makes the LED display suitable for close-up viewing, and can bring video wall-level resolution and image quality.

LED screen dot pitch and line of sight calculation

1. Point spacing calculation method: the center distance between each pixel point and each adjacent pixel point; each pixel point can be an LED light [eg PH10(1R)], two LED lights [eg: PH16 (2R)], three led lights [such as: PH16 (2R1G1B)], P16 point spacing: 16MM; P20 point spacing: 20MM; P12 point spacing: 12MM...

2, length and height calculation method: point spacing × points = length / height

Such as: PH16 length = 16 points × 1.6cm = 25.6cm height = 8 points × 1.6cm = 12.8cm

PH10 length = 32 points × 1.0cm = 32cm height = 16 points × 1.0cm = 16cm

3, the screen body using the number of modules calculation method: total area ÷ module length ÷ module height = use the number of modules

Such as: 10 square PH16 outdoor monochrome led display using the number of modules is equal to:

10 square meters ÷0.256 meters ÷0.128 meters = 305.17678 305

More accurate calculation method: length using module number × height using module number = total number of modules used

Such as: length of 5 meters, height 2 meters PH16 monochrome led display using the number of modules:

Long use module number = 5 meters ÷ 0.256 meters = 19.53125 ≈ 20

High number of modules used = 2 meters ÷ 0.128 meters = 15.26 ≈ 16

The total number of modules used = 20 × 16 = 320

4, LED display screen distance calculation method:

RGB color mixing distance three colors mixed into a single color distance: LED full color screen line of sight = pixel point spacing (mm) × 500 / 1000

The minimum viewing distance can display the distance of the smooth image: LED display visible distance = pixel spacing (mm) × 1000/1000

The most suitable viewing distance The viewer can see the distance of the highly clear picture: the best viewing distance of the LED display = pixel spacing (mm) × 3000 / 1000

The farthest viewing distance: LED screen farthest viewing distance = screen height (m) × 30 (times)

In short, the fineness of the screen of the LED screen will gradually eliminate the image quality gap between the LED display and the LCD screen in the traditional sense, so that the other advantages of the LED screen are more prominent. Furthermore, LED screens will no longer be limited to outdoor advertising applications, but will be more in line with the needs of indoor deployment.

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