P1.25 Indoor full-color LED small pitch screen (Scheme 1)

(1) LED chip parameters

Prefacenumber

luminescent color

luminous 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

SMD1010

2

dot pitch

1.25mm

3

Pixel composition

1R1G1B

(3) Module technical parameters

1

Module resolution (width x height)

160pixel×120pixel

2

Module size (width x height)

(wide)200mm×(High)150mm×(Thick)12mm

3

scan

40S

（4）Box technical parameters

1

Box resolution (width x height)

320Pixel x240pixel

2

Module distribution (width x height)

2×2

3

Flatness between modules

≤0.1mm

4

Box size (width x height x thickness)

400mm×300mm×60mm

5

box weight

5Kg/box body

6

Installation method

Back frame installation/lifting/Wall mounted installation/Installation of inner arc

7

Maintenance Method

Complete maintenance before and after

(5) Screen technical parameters

1

dot density

640000 points/m2

2

Brightness (white field color temperature 6500K)

300cd~800cd/ m2adjustable

3

Horizontal perspective/vertical perspective

140°/140°

4

平整度

≥98%

5

Chromaticity uniformity

± 0.003 Cx, within Cy

6

Highest contrast ratio

5000:1

7

Protection level

Back: IP41Front: IP41

(6) System control parameters

1

Number of bits for signal color processing

Red, green, blue each ≥ 16bit

2

Drive Type

Jichuang North2163/2065 or MBI5244 constant current drive

3

frame rate

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

4

refresh rate

High refresh rate ≤ 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(Scalable interface)

(7) Screen operating parameters

1

Working Voltage

AC：110V~240V、50~60Hz

2

Peak Power

≤600W/ m2

3

average power

100W/ m2～300W/ m2

4

Continuous working hours

≥ 7 × 24hr, supporting continuous and uninterrupted display

5

averagefault-freeworktime

≥10000 hours

6

LED寿命

1010000 hours

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