Small Pitch 4mm Indoor Advertising LED display

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Loading Port:: China main port

Payment Terms:: TT OR LC

Min Order Qty:: 10 m²

Supply Capability:: 10000000 m²/month

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Specifications

4mm indoor LED display
CE,ROHS,FCC,ISO CERTIFICATE
1)module size :128*128mm
2)brightness:1600cd/m2
3)resolution:62500dot/m2

Small pitch 4mm indoor advertising LED display

service

1) Service principles

response in time, solve problems as soon as possible and ensure the use.

2) Service period

In the Maintenance period of the LED screen body, free of all maintenance charges; After Maintenance period, only charge the material costs fees free of manual work fees.

3) Service scope

If the users find any problem that cannot be solved, please contact with our company, we can response in 24 hours.

LED screen composition

MODEL NO:Ri-T4

Item	Value	Iten	Value
pixel pitch	4mm	best view distance	4m-12m
pixel configuration	1R1G1B	Power	1170w/470w
Led type	SMD2020	Scanning method	1/16scanning
Module resolution	32dotsx32dots	driving method	constant current
module size	128mmx128mm	view angle(H/V)	120/120degree
cabinet resolution	128dotsx128dots	life time	100000hours
cabinet size	512mmx512mm	frame frequency	60HZ/50HZ
module quantity	4x4pcs	refresh frequency	600HZ-2000HZ
cabinet weight	45kg/m2/ 35kg/m2	gray grad	12bits-16bits
cabinet material	Steel/aluminum	colors	36BITS-48bits
pixel density	62500dots/sqm	work temperature	-20to+40degree
brightness	1800CD/sqm	input voltage	AC110-220V
brightness adjustment	automatic 256levels	IP garde(F/B)	IP50/IP20
control distance	cat cable:100m.muti mode fiber 500m, single mode fiber 15km

FEATURES

♦ Long lifetime: Adopting high quality LED lamps as core material and patent PCB design for the screen, it essentially ensures long lifetime fo the product.

♦Wide view angle: Highly wavelength consistency of LED lamp and 120°horizontal and vertical view angles guarantee viewers can see the playing miages from any direction in front.

♦ Stable performanve: we make a spceial treatment of anti-electromagnetic wave and adopt distribution scan and modular design for the screen and it works more reliable and stables.

♦ Exquisite images:Nonlinearity correction technology makes the images exquisite clear, video images vivid and fidelity.

♦ Excellent flatness: percision design of module frame parts controls the deviation of beighbouring modules within 0.1mm and it has an excellent flatness without mosaic..

♦ High contrast:consistend deep black patent masks and black face lamps make the contrast higher and the color fresher.

♦ Live broadcast: It can support DVI,HDMI, 3G/HD/SC with SDI high definition display mode, suit for TV programes VCDprogrames, DVDprogrames and live broadcasting indoor .

♦ Easy installation: Modular design makes the installation and maintance easier.

♦ Good material:Adopting same levels of imported LED chips from taiwan, USA or Japan, high quality driving IC, low nosie power supply, which can guarantee the screen works mooth in the environment of -20 degree to 40degree.

♦ Multiple formarts :Customers can choose any one of display formats for the screen, it can supports TXT, graphoc, picture animation and video programe.

♦ Lacquer coating: Lacquer coasting can protect the PCB and relevant components from erosion of environment, it has the good resistance performance of low and high temperature, and excellent features of insulation, moisture proof, anti-creeping ,dustprrof,anti-corrosin.

♦ High shockproof performance: The cabinets must be tested for shockprrof performance before shipment to avoid poor contact because of loose of screws and disconnection of cables after ling line -haul.

Q:LED display more than the size of the area must be 380v: LED display itself only need low-voltage DC power supply, whether it is 380V or 220V need to go through the buck and rectifier, which is the screen does not matter. Whether it is to use 380V or 220V depends entirely on the load balance of the power grid considerations, which depends not only on the size of the display, but also on the local grid capacity. In general, LED is weak devices, even if the display area and then large, the total power is also less than where to go, so you can use 220V single-phase power supply, but the power supply cable cross-sectional area to be larger, but the power circuit Much simpler.

Q:Led display brightness is not enough because of what are the reasons: Display screen software which can adjust the brightness of the display. If you use the time for a long time, there are reasons for light failure, it is recommended to consider replacement

Q:How to identify the quality of led display quality: ircuit board: circuit board manufacturers more, Shenzhen is the gathering of electronic products, procurement of raw materials this piece is very fast, the circuit board is divided into two layers and four layers of board, the thickness of two layers is 1.6. , The quality of the circuit board is the internal conductor of the circuit board, the thickness of the conductor to reach the standard thickness to 1ns or more, because the use of the display in the process of temperature rise and lower, if the conductor thin easy The use of the process of fusing, this will cause a large area of quality problems.

Q:IPS screen and LED screen difference: Simply said IPS screen perspective wider, more wide color gamut, suitable for mapping and see high-definition movies, the drawback is a higher delay, play the game is not to force the shadow. Suitable for making pictures or watching movies.

Q:Comparison between LED display and DLP splicing: DLP is a digital light processing, this technology is the first image signal through digital processing, and then the light projection. From DLP's technical principle, it has the least signal noise, accurate gray level, high reflectivity, seamless image display, high reliability and other advantages. DLP splicing screen by a number of rear projection display unit stitching, the most important feature is the patchwork small, you can control to 0.5 mm or less, we call it "seamless" splicing, which is the other two major technology LCD and PDP Can not and can not.

Q:LED display a board dark light how is it?: Measure the power supply module voltage low, adjust the fine-tuning (power module close to the indicator light at the fine) to make the voltage to the standard.

Q:16: 9LED What is the approximate size of the display?: First determine a length or width size, here to length as an example. If the length is 96 meters, then 96 ÷ 16 = 6 × 9 = 54 meters

Q:Led display speed how to tune: All need to display the data are ready, the "send" button to send data, select the need to send the frame and set the starting address, the point can be sent

Q:How do I choose the dot pitch of the LED display?: Uses: Widely used in railway, civil aviation, sports venues, conference halls, highways, squares, large shopping malls, banks, securities markets and a variety of transportation, water conservancy, electricity monitoring and control.

Q:Is the TV screen good for the LCD or the LCD?: In the television industry, LCD TV is divided into LED TV (depending on the backlight system) (using LED backlight module for the screen to provide light) and the traditional LCD TV (using CCFL cold cathode fluorescent tube light source).

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