Name: HD P1.875 Outdoor Fixed LED Display Epistar LED Digital Advertising Board
Brand: LONGRUN LED
SKU: LR-X-P1.875
Rating: 4.9 (104 reviews)

HD P1.875 Led Digital Advertising Board Standing Installation Easy To Assembly

Product Description

√ High precision die-casting aluminum cabinet design for 2k / 4k standard size screen, compatible with P1.875 / P1.935 / P2 / P2.4 / P2.5 / PH3.75. Module magnet installation by front maintenance design.

√ Standard 240x180mm module size with 4:3 scale, low current & heat, high contrast, high brightness, refresh 3840Hz, true 16bit gray level.

√ With pure black 1515 led, perfect color consistency, dot to dot matching 1920x1080 / 3840x2160 2k / 4k resolution for the best display result.

√ Use TG(170℃) immersion golden S100-2 substrate to ensure that no deformation of PCB board.

√ High quality thermal conductivity material for cabinet back, excellent ventilated design for heat dissipation, improving the stability and lifespan of screen.

Specifications

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Our Advantage

Packing Details

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Successful Case Show

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Company Information

Shenzhen Longrun LED Optelectronic CO.,LTD, a professional LED display manufacturer engaging in R&D, manufacture and sales,which started its business since 2009. Its factories locate in Huazhan Science & Technology Industrial Park, West Shangxin Industrial Park, which are neotype high standard industrial parks in Baoan, Shenzhen. Two production bases are conjunct with each other, cover an area of 12000 square meters, total register capital reach 10 million RMB. Being one of the domestic leading suppliers inLED product application and solution, Longrun has separate purification plant, R&D base, and the industry’s most advanced automated production and testing equipment. It dedicates in providing terminal clients with LED applications of high quality and performance and also with the most effective service.

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Our Services

Reply your inquiry in 12 hours.
Experienced staffs answer all your query in fluent English.
Customized design is available, OEM & ODM are welcomed.
Exclusive and unique solution can be provided to our customer by our well-trained and professional staffs.

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. 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 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 wavelength of 620-630nm (red), 520-530nm (green) and 460-470nm (blue), in fact mixed in a particular proportion, can get the pure white. That is, in display field, people use luminous materials with 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 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 aging test, the brightness decay of green LED is around 5%-8%, while blue is around 10%-14% and red is around 5%-8%

Tag:

Place of Origin:	Guangdong, China
Brand Name:	LONGRUN LED
Model Number:	LR-X-P1.875

Minimum Order Quantity:	1 Piece
Price:	Negotiable

Product Name:	Indoor P1.875 Led Display	Pixel Pitch:	1.875mm
Pixel Configuration:	1RGB	Pixel Density:	284,444 Dots/m2
LED Chip:	Epistar	LED Lights:	SMD 1515
Cabinet Size:	480mm*540mm	Cabinet Resolution:	256*288
Brightness:	500~1500cd/m2	Refresh Rate:	3840Hz
Usage:	Indoor	Screen Dimension:	Customized
Tube Chip Color:	FULL COLOR	Display Function:	Video, Animation, Graphics
Pixels:	1.875mm	Selling Units:	Single Item
Single Package Size :	48X54X8 Cm	Single Gross Weight:	8.8 Kg
Package Type:	1. Flightcase Carton 2. Polywood Carton 3. Honeycomb Cartoon
Highlight:	P1.875 Outdoor Fixed LED Display , SMD 1515 Outdoor Fixed LED Display , Epistar LED Digital Advertising Board

	Shenzhen Longrun LED Optelectronic CO.,LTD
	Building C/D,longrun industrial area ,NO.1001-3 Xihuan Road Shangxing West Industrial Park, Shajing street,Bao'an District,Shenzhen,China
	86--13510420867
	Angelalee@lrled.net

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