(1) LED chip parameters

Serial Number

Luminous color

intensity

Dominant Wavelength

encapsulation

1

Red (Test condition: 5mA, 2.0V)

22mcd

620nm

National Star

2

Green (Test condition: 2mA, 3.0V)

38mcd

520nm

National Star

3

Blue (Test condition: 2mA, 3.0V)

5mcd

470nm

National Star

(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

Types of LED lights

SMD2121

2

pitch

2.5mm

3

Pixel composition

1R1G1B

(3) Module technical parameters

1

Module resolution (width x height)

128 pixels x 640 pixels

2

Module size (width x height)

(Width) 320mm × (Height) 160mm × (Thickness) 12.5mm

3

Scanning method

32S

(4) Box technical parameters

1

Box resolution (width x height)

256 pixels x 256 pixels

2

Module distribution (width x height)

2×4

3

Flatness between modules

≤0.1mm

4

Box size (width x height x thickness)

640mm×480mm×42mm

5

Box weight

5.5Kg/box

6

Installation method

Back frame installation/wall mounted installation/inner arc installation

7

Maintenance method

Pre maintenance

(5) Screen technical parameters

1

dot density

160000 points/m ²

2

Brightness (white field color temperature 6500K)

Adjustable from 200cd to 600cd/m ²

3

Horizontal perspective/vertical perspective

140°/140°

4

evenness

≥99%

5

Chromaticity uniformity

±0.003

6

Highest contrast ratio

5000:1

7

protection grade

Back: IP41 Front: IP41

(6) System control parameters

1

Number of bits for signal color processing

Red, green, and blue are each ≥ 16 bits

2

Drive mode

ICN2163/MBI5254 constant current drive

3

Frame Frequency

60 frames per second high refresh rate supports 3D: 120 frames per second

4

refresh rate

≤3840Hz

6

Screen color temperature

Adjustable from 2000K to 9500K

7

Brightness adjustment

Manual/Automatic/Program Control

8

Pixel correction

Equipped with point by point correction for brightness and chromaticity

9

control mode

synchronization

10

Controlling Distance

Category 5e twisted pair cable, using fiber optic transmission for distances exceeding 100 meters

11

software interface

Windows XP /7/8/10

12

INPUT

HDMI, DVI (expandable interface)

(7) Screen operating parameters

1

working voltage

AC: 10V~240V/DC: 240V to 36V

2

peak power

≤500W/ m²

3

Average power

100W/ m²～300W/ m²

4

Continuous working hours

≥ 7 × 24hr, supporting continuous and uninterrupted display

5

Mean time between failures

≥ 10000 hours

6

LED lifespan

100000 hours

7

Discrete loss of control point

≤ 0.0001, 0 at factory

8

Blind spot rate

≤ 0.0001, 0 at factory

9

Screen temperature rise (using operating status)

≤ 5 degrees

10

Ambient temperature

-10℃～60℃

11

Operating environment humidity

10％～90％RH， No condensation