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Brightness Adjustable Led Public Display , Outdoor Led Video Wall Screen P3.91

Brightness Adjustable Led Public Display , Outdoor Led Video Wall Screen P3.91

Brand Name:LONGRUN LED
Model Number:LR-M-P3.91
Minimum Order Quantity:8 Pieces
Place of Origin:Guangdong, China
Price:Negotiable
Application:outdoor advertising
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Location: Shenzhen Guangdong China
Address: Building C/D,longrun industrial area ,NO.1001-3 Xihuan Road Shangxing West Industrial Park, Shajing street,Bao'an District,Shenzhen,China
Supplier`s last login times: within 35 hours
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Product Details

Brightness Adjustable Led Public Display, Outdoor Led Video Wall Screen P3.91


Product Description

√ High precision die-casting aluminum material cabinet, special design on cabinet bottom ensures flatness of the whole screen even the platform is not flat.


√ Front and back maintenance design by the module magnet assembly.


√ Standing, moving, wall mounting, or hanging installation methods is available.


√ High-performance PCB board substrate with strict technology process ensure perfect flatness performance, showing the most real and brilliant colors.


Specifications

Module specification
LED configuration3 in 1
Pixel pitchP3.91
LED lampSMD1919
Module resolution64*64
Module size250*250mm
Cabinet specification 
Module array2*2pcs
Cabinet resolution128*128
Cabinet size500*500mm
Display area0.25sqm
Flatness<0.2
Optical specification 
Brightness800-3000cd/sqm
Scan mode1/16s
Refresh rate3840Hz
Horizontal viewing angle140degree
Vertical viewing angle120degree
Electrical specification 
Cabinet power consumption160w
Average power consumption50w
Power supplyAV 110V/220V (50/60Hz)
Operation specification 
Lifespan100,000 hours
Operation temperature-10~+60
Storage temperature-10~+50
Operation humidity10%~80%
Storage humidity40%~60%
Our Advantage

1. Adjustable curve angle, inner 5/10/15 degree, outer 5/10 degree.

2. Easy installation, can make special shape screens.



P3.91 Rental Curve Screen Flexible LED Display Screen


Packing Details
Flightcase packing: 8 in 1
Dimension: 72x86x74cm
Gross weight: 90kgs
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Company Information

Our Services

  • Reply to your inquiry in 12 hours.
  • Experienced staff answer all your queries in fluent English.
  • Customized design is available, OEM & ODM are welcomed.
  • Exclusive and unique solutions can be provided to our customers by our well-trained and professional staff.


FAQ

Q: What is the brightness, viewing angle and wavelength of the LED?
A: Luminous Intensity is equal to the amount of luminous flux emitted into a very small solid angle at a defined angular orientation from the light source. The measurement for luminous intensity is the candela. The symbol is Iv.
Viewing Angle is the total cone angle in degrees encompassing the central, high luminous intensity portion of the LED beam from the on-axis peak to the off-axis point where the LED intensity is 50% of the on-axis intensity. This off-axis point is known as theta one-half ( 1/2). Two times 1/2 is the LEDs' full viewing angle; however, light is visible beyond the1/2 point.
Wavelength is the distance between two points of the corresponding phase and is equal to waveform velocity divided by frequency. It defines what color human eyes could recognize
Q: What is dominant wavelength? Please specify the ranges of wavelength in red, green and blue color respectively.
A: Dominant wavelength is defined as the best range of wavelength showing the most natural color recognized by human eyes. Researches indicate that fixed colors with a wavelength of 620-630nm (red), 520-530nm (green), and 460-470nm (blue), in fact, mixed in a particular proportion, can get pure white. That is, in the display field, people use luminous materials with the above wavelength to make "compounded" white more natural. In order to get a good balance white led display, we specify the led colors with wavelength within 4nm for each color
Q: Which chip vendors are you buying from?
A: It depends on the Customer's requirement. We can purchase from Japan, Korea, Europe, USA. We are using chips mainly from Taiwan
Q: What is the chip size you're using for outdoor display? How about indoor display?
A: For outdoor display, we're using a 12mil chip for red, 14mil for both green and blue. Regarding indoor display, 9mil for red, 12mil for green and blue are currently adopted
Q: How much will the brightness of LED drop down after 1000hrs?
A: Based on the result of the aging test, the brightness decay of green LED is around 5%-8%, while blue is around 10%-14% and red is around 5%-8%


China Brightness Adjustable Led Public Display , Outdoor Led Video Wall Screen P3.91 supplier

Brightness Adjustable Led Public Display , Outdoor Led Video Wall Screen P3.91

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