Product Detail
PH4 indoor LED model
Name : PH4 indoor model
Model : P4:SMD2121
Size : 128mm*128mm

Product features

1.High quality LED chip and high anti-static electricity capacity.

2.Large viewing angle and smooth displaying provide excellent visual effect from every angle.

3.The integration of lamp and driving IC,together with with the multi-circuit structure,achievs evenly-distributed current,low power consumption and fast heat dissipation.

4.Ultra high brightness,low attenuation,high reliability and weather ability.

5.High contrast ratio.Adopting black lamps can improve the contrast ratio by 50%.

6.High refresh rate,high gray scale,ghost-canceling,low power consumption,low EMI,anti-creeping,multi-route redundancy backup-supporting,and dot-by-dot-calibration.

Application scopes

Widely applied to traffic information distribution of station,quay and qirport,conference,shoppingmall,brand presentantion,TVstation,stageshow,concert and so on.



 LED Encapsulation

 SMD 2121

 Pixel Pitch


Module Resolution(W*H)

 32* 32

 Module Size


 Pixel Configuration

 1R1G1B(3 in1)

 Pixel Density

 62500 pixel/㎡

 Driving Method

 1/16 Scan      

1/8 Scan                          

 Refresh Frequency

 ≥1920Hz(Supporting high refresh rate and depending on system configuration)

 Driving IC

Special constant current IC with high refresh rate and high gray scale

 Grey Scale

 >14BIT(According to system and IC equipped)

 White Balance Brightness

 >1000cd/㎡ (Black) />1600cd/㎡(White)

>1000cd/㎡ (Black) />1600cd/㎡(White)

 Color Temperature

 8000K ± 500(adjustable)

 Viewing  Angle

 Horizontal  Angle 140°     Vertical  Angle 120°

Optimal Viewing Distance


 Working Voltage


Max Power Consumption

 10W/pcs(White Balance)                        

15W/pcs(White Balance)                    

 Avg Power Consumption


6W/pcs(Normal Working)  

8W/pcs(Normal Working)


 50000 Hours

 Operating Temperature

 -10℃ ~50℃