Led display screen

Calculating the LED display screen body size and brightness method

A, screen size calculation mode

1. Indoor led display calculation mode.

(1) give screen specific data (long, wide, area)

A. example: do the specification is ? 5 LCD pixels diameter) to screen, screen 5.8 meters in length, width 2.6 meters.

B. first, clear ? 5 screen technology parameters unit for 488 x 244mm board specifications, unit board resolution 64 x 32

C. calculation of KuaiShu used unit board.

Screen long or the board with several = wide gets wide screen long or do the voting unit plate long or wide

Screen with board count: long 5.8 meters x 1000 hundredth 11.89 voting 488 = 12

The board with wide screen number: 2.6 meters x 1000 10.65 voting 244 = the hundredth 11

D. the size of the actual screen.

The actual screen long or wide use = unit board grow or wide x screen long or the KuaiShu wide use

The actual screen long: 488 x 12 = 5856mm namely 5.856 meters

The actual screen width: 244 x 11 = 2684mm namely 2.684 meters

E. screen area: 5.856 x 2.684 = 15.72 (square meters)

Note: the in vitro frame size KuangBing temperamental predominance in screen size every edge based on body all add 5-10cm.

F. screen resolution = panel of board with the number of x unit board solution board degrees

Screen resolution = (12 x 64) x (11 x 32)

(2) give only screen area, no breadth.

A. example: do 9m2 an area for the screen, screen ? 5 (refers to the specification is the diameter of the pixels).

B. if give only a area, we want oneself to calculate width. Can press length, width 4:3 or 16:9 ratio to calculate. This screen effect is good. (for example) to 4:3 here

C. theory screen screen for: long long voting = (area the square root of x 4 12)

Width = (12) the square root of the voting area (3 namely: long = 3.46 m width = 2.60 m

D. ask out, has represented the calculation underneath the example saw (1).

2. Outdoor screen calculation mode.

(1) give screen specific data (long, wide, area).

A. example: to do P20 outdoor a full color long approximately 10 meters, the width about six meters

B. first clear, unit of specifications (cabinet body for 1280 x 960mm width) resolution for 64 x 48

The number of c. calculation cabinet.

Screen long or wide use and also the number of boxes of advance do screen long or = wide long or voting unit box wide

Screen with cabinets long number: 10 meters x 1000 7.8123 1280 = 8 hundredth voting

Screen with cabinets are wide number: 6 meters x 1000 960 = 6.25 voting hundredth 6

D. the size of the actual screen.

The actual screen long or wide use = cabinet (specification) long or wide x screen long or wide use of boxes of number

The actual screen long: 1280 x 8 = 10240mm namely 10.24 meters

The actual screen width: 9.6 x 6 = 5760mm namely 5.76 meters

E. screen area: 158.9824 10.24 x 5.76 = 158.98 (square meters) the hundredth

F. screen resolution = cabinet width of resolution represented a box... box = (64 x 8) x (48 x 6)

(2) give only screen area, no breadth.

A. example: if do a P20 outdoor a full color area is about 50 square meters.

B. if give only a area, we want oneself to calculate width. Can press length, width 4:3 or 16:9 ratio to calculate. This screen effect is good. (for example) to 4:3 here

C. theory screen screen for: long long = (12) the square root of the voting area wide x 4 = (12) the square root of the voting area 3 namely:... long = an 8.16 E.R.A. against m width = 6.12 m

D. probably already give width, the next calculation reference cases (1).

Second, the brightness of the screen calculation method

With a full color, for example, usually red, green, blue white balance ratio for 3:6:1

Red LED light degrees: brightness (CD) / M2 voting points/M2 x 0.3 (white balance ratio 30%) voting 2

Green LED light degrees: brightness (CD) / M2 voting points/M2 x 0.6 (white balance ratio 60%)

Blue leds light degrees: brightness (CD) / M2 voting points/M2 x 0.1 (white balance ratio 10%)

(1) the screen brightness known for single pipe brightness.

For example: 2500 points per square metre per square 2R1G1B, density and 5,000 brightness demand, then: CD/m2

Red LED light degrees for: 5000 voting 2500 x 0.3 voting 2 = 0.3 CD = 300mcd

Green LED light degrees for: 5000 voting 0.6 = 25 x 1.2 CD = 1200mcd

Blue leds light degrees for: 5000 voting 2500 x 0.1 = 0.2 CD = 200mcd

Each pixel brightness for: 0.3 x 2 + 120 + 0.2 = 2.0 CD = 2000mcd

(2) has ZhiChan tube brightness for the whole screen brightness.

For example: in P31.25, day and tube for example.

HSM screen main pipe core specifications red and green

HSM - PH - A + (date and) 440mcd 1020-180-2,400 MC

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