P4 indoor full-color LED display screen

(1) LED chip parameters

Prefacenumber

luminescent color

luminous intensity

Dominant Wavelength

Remarks

1

Red (Test condition: 5mA, 2.0V)

55mcd

622nm

The wavelength and brightness of the chip are typical values

2

Green (Test condition: 2mA, 3.0V)

170mcd

525nm

3

Blue (Test condition: 2mA, 3.0V)

25mcd

470nm

(2) Pixel parameter

To achieve the best white balance effect in color matching, it is required that the brightness ratio of various colors be R: G: B/3:6:1.

1

LED

FM-B2121RGBA-HG

2

dot pitch

4mm（X:3Y:3）

3

Pixel composition

1R1G1B

(3) Module technical parameters

1

Module resolution (width x height)

64 pixels×32 pixels

2

Module size (width x height)

(wide)256mm×(High) 128mm×(Thickness) 12mm

3

face shield

PVC

(4) Box technical parameters

1

Box resolution (width x height)

128 pixels x 128 pixels

2

Module distribution (width x height)

4×2

3

Flatness between modules

≤0.1mm

4

Box size (width x height x thickness)

512mm×512mm×68mm

5

box weight

8.6Kg/PCS 净重； 10.8Kg/PCS 毛重

6

switching power supply

5V40A

7

control system

MRV336

8

Box material

die-cast aluminum

(5) Screen technical parameters

1

dot density

62500 points/m2

2

Brightness (white field color temperature 9500K)

200cd~800cd/ m2adjustable

3

Horizontal perspective/vertical perspective

160°/160°

4

平整度

≥98%

5

Chromaticity uniformity

± 0.003 Cx, within Cy

6

Highest contrast ratio

6000:1

7

Protection level

Back: IP45 Front: IP41

(6) System control parameters

1

Number of bits for signal color processing

Red, green, and blue are each ≥ 16 bits

2

Drive Type

Constant current dynamic 1/16 scan drive

3

frame rate

60 frame high refresh rate supports 3D at 120 frames per second

4

refresh rate

General brush ≤ 1920Hz High brush ≤ 3840Hz

6

Screen color temperature

2000K～9500K adjustable

7

brightness adjustment

Manual/Automatic/Program Control

8

Pixel correction

Equipped with point by point correction for brightness and chromaticity

9

Control method

Synchronous control

10

control distance

Super five categoriestwisted pairnetlineUsing fiber optic transmission for distances exceeding 100 meters

11

software interface

Windows XP/7/8/10

12

signal input

HDMI、DVI

(7) Screen operating parameters

1

Working Voltage

AC：110V~240V、50~60Hz

2

Peak Power

≤600W/ m2

3

average power

200W/ m2～300W/ m2

4

Continuous working hours

≥ 7 × 24hr, supporting continuous and uninterrupted display

5

averagefault-freeworktime

≥10000 hours

6

LED寿命

100000H

7

Discrete loss of control point

≤0.0001At the factory, it is 0

8

Continuous loss of control point

0

9

Blind spot rate

≤0.0001At the factory, it is 0

10

Screen temperature rise (using operating status)

≤5 degrees

11

Ambient temperature

-10℃～60℃

12

Operating environment humidity

10％～90％RH， No condensation