When we install an indoor or outdoor stadium LED display, we need to calculate the area of the display before we know how much material is needed and how much capital is needed. Let’s learn how to calculate the stadium LED display.
1. The calculation method of the indoor display.
(1) Give the specific data of the screen (length, width, area)
a. Example: The specification of the screen is Φ5 (referring to the diameter of the pixel) screen, the screen is 5.8 meters long and 2.6 meters wide.
b. First of all, it is clear that the technical parameters of the Φ5 screen are 480×480mm, and the unit board resolution is 96×96 (the unit board specifications and resolutions of different manufacturers are inconsistent, we take the conventional unit board specifications as an example ) The algorithm of the resolution of the unit board: 1 square Φ5 screen pixels = 1000000÷5÷5=40000
Note: 1000000 here is actually 1000×1000, 40000=200×200, which means that there are 200 pixels on the length of 1000mm, then 480mm should have 480÷1000×200=96, so the resolution of the unit board is 96 ×96.
c. Calculate the number of cell boards used. Number of boards for screen length or width = pre-made screen length or width ÷ unit board length or number of boards for widescreen length: 5.8 meters × 1000 ÷ 480 = 12.08 ≈ 12
The number of boards used for screen width: 2.6 meters × 1000 ÷ 480 = 5.41 ≈ 5
d. Calculate the actual screen size.
Actual screen length or width = unit board length or width × number of blocks for screen length or width
Actual screen length: 480×12=5760mm or 5.760 meters
Actual screen width: 480×5=2400mm or 2.4 meters
e. The area of the screen: 5.760×2.4=13.824 (square meters)
Note: Usually, the size of the outer frame of the clearing screen is added 5-10cm to each side on the basis of the screen size.
f. The resolution of the screen = the number of boards used for the screen × the resolution of the unit board
Screen resolution = (12×5)×(96×96)
(2) Only the area of the screen is given, no length and width
a. Example: Make a screen with an area of 9㎡, and the size of the screen is Φ5 (referring to the diameter of the pixel).
b. If only the area is given, we have to calculate the length and width by ourselves. It can be calculated according to the ratio of length and width 4:3 or 16:9. This picture effect is good. This is because the ratio of 4:3 and 16:9 can directly broadcast TV signals, 4:3 is approximately a square display, and 16:9 is approximately a rectangular display. (Take 4:3 as an example here)
c. Theoretical screen length is: length = square root of (area ÷ 12) × 4 width = square root of (area ÷ 12) × 3, namely: length = 3.46m width = 2.60m
d. The length and width have been calculated. See the example in (1) for the calculation below.
2. The calculation method of outdoor LED display.
(1) Give the specific data of the screen (length, width, area)
a. Example: The outdoor LED full color screen for P20 is about 10 meters long and 6 meters wide
b. First of all, it is clear that the specification of the unit box (length and width of the box) is 1280×960mm, and the resolution is 64×48
c. Calculate the number of boxes.
Number of boxes for screen length or width = pre-made screen length or width ÷ unit box length or width
The number of cabinets for screen length: 10 meters × 1000 ÷ 1280 = 7.8123 ≈ 8
The number of cabinets for screen width: 6 meters × 1000 ÷ 960 = 6.25 ≈ 6
d. Calculate the actual screen size.
Actual screen length or width = the (specification) length or width of the cabinet × the number of cabinets used for the screen length or width
Actual screen length: 1280×8=10240mm or 10.24 meters
Actual screen width: 960×6=5760mm or 5.76 meters
e. Area of screen: 10.24×5.76=158.9824≈158.98(square meter)
f. Resolution of screen = resolution length and width of cabinet × length and width of cabinet = (64 × 10) × (48 × 6)
(2) Only the area of the screen is given, no length and width
a. Example: If you make a P20 outdoor full color screen, the area is about 50 square meters.
b. If only the area is given, we have to calculate the length and width by ourselves. It can be calculated according to the ratio of length and width 4:3 or 16:9. This picture effect is good. (Take 4:3 as an example here)
c. Theoretical screen length is: length = square root of (area ÷ 12) × 4 width = square root of (area ÷ 12) × 3
That is: length = 8.16m width = 6.12m
d. The approximate length and width can be obtained. The following calculation refers to example (1).