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This is not easy to inspect, but you can play all red, all blue, all green, check the consistency of the screen, uniformity, don't face it, you can't see anything, deflect 45 degrees, check.
Finally, turn on the white light and check the brightness and white balance.
Then there is the color level, to see if there is a mutation in the color separation ability, and the color jump. These will do, run for 24 hours, check the temperature rise of the screen.
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In fact, there is nothing to check, as long as there are no dead pixels and color deviations, as for what lamps and chips are used, unless they are dismantled, they can be detected, you can see if the control card, power supply, etc. are used according to the brand agreed in the contract, as well as the flatness of the display screen, as well as the white balance, that is, whether the color is correct or not. In general, the manufacturer provides a one-year warranty, and you can also request a two-year warranty, so that you can use it with confidence for at least two years. Mine was accepted yesterday, in short, the wood is ready, there are no major problems.
Hope it helps.
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Acceptance is quite difficult, the acceptance of some technical parameters requires equipment, you can ask the manufacturer to provide equipment to test certain parameters, and the manufacturer may not have these equipment.
Like chromatic aberration and white balance, you can take a closer look.
Control system, power check the brand on the line.
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Need LED display to find a manufacturer in Shanghai.
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Calculation method: number of lamps * single lamp current * module voltage Number of scans (static is 1).
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How can a single lamp have watts of power, the driver chip is generally 45mA output power, you count how many driver chips.
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Our company also makes display screens, the number of lamps * single lamp current * module voltage and the number of scans.
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Now** is more, P16 is more than 4,000 per square, and there are also seven or eight thousand, and there are also key configurations.
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Jinan Tuocai Optoelectronics 5,000 yuan per square meter.
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I'll do it for you, ** absolutely satisfied.
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I also want to know about you, do you want to know ** before buying?
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It's basically normal around 5,000 yuan.
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Look at the material, don't look at the **,
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This kind of long-term use, high upfront investment cost of the display, within the scope of economic affordability, should pay too much attention to its quality, which determines his display effect and service life!!
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P10 full-color screen is suitable for more than 30, and the best visual distance is more than 15 meters; P16 full-color screen is suitable for large areas of more than 100 square meters, and the visual distance is more than 50 meters; Compared to P10 and P16, P10 has better clarity than P16. Now most of the large-area screens on the market do P10 and P8, you can use it as a reference.
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Hello. P10 is good because P10 has a high resolution.
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Look at you, **distance, the best ** distance for P10 is from 10 meters, and from 16 meters for P16. The brightness and pixels of P10 are high, and the effect is a little better, how can it be similar in terms of **? The model of the display screen is out, and it depends on its materials, and the chips with Guanglei wafers are different from those with Sanan Huacan, whether it is **, brightness or consistency.
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P10-P16 is OK,Do P10The effect is relatively the best,More than 200,000 pixels,The effect is OK,The screen height you said is meters,Then the width should also be between 6-8 meters,This with P10The effect is the most ideal,Kerui。
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P16Outdoor full color has cheap and expensive,Look at the specifications you want,The specifications are not the same**Not the same,But about 5000 or so per square meter!
However, I heard from a friend that there is a company in a high event recently, ** quite discounted, it seems to be Kewei Optoelectronics, you can have time to take a look.
Hope it helps.
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Outdoor full-color LED display as an outdoor use, must be waterproof, dustproof, so the same type of indoor display must be more expensive, due to the difference in accuracy, the same type of products because of the use of the core, drive, system, production process and different, LED display products just made out of the effect of the display of each manufacturer is basically the same.
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The number after p is the pixel spacing, and if the dot spacing is different, the pixel density per unit area is different, and the clarity is not the same under the same conditions.
As for which one is cost-effective, it depends on the different places, so you have to find out for yourself.
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These are mainly based on the distance between the wicks of two identical lamps (such as red and red) between neighbors, and how much is the p. If you want to show only text, then use a wide spacing. To display the pattern, the distance is relatively close, just use, and the point distance is relatively dense.
If you are in a place with strong light, you have to choose a place with a relatively high brightness.
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Distinguished by point spacing, P10 is the spacing between lamps and lamps is 10mm, and so on, make a light box with a larger spacing, save money.
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Model Dot pitch Pixel density Brightness (cd square meters) Optimal viewing distance Module size.
P10 10mm 10000 points square meter >=9000 10-75m 160*160mm
P12 12mm 6944 points square meter >=8000 12-100m 192*192mm
P16 16mm 3906 points square meter >=7000 16-130m 256*128mm
P14 14mm 5102 points square meter >=8000 14-110m 224*112mm
P20 20mm 2500 points square meter >=6000 20-160m 320*160mm
1024 points square meter >=4500 32-250m 250*250mm
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According to the count, the number of points of the module is 8*8 8*16 16*8 16*16 16*32 32*16 32*32, and then convert!
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P16 real pixel outdoor full-color LED display.
1.Specifications.
Item value.
Screen area ( ) width x height.
Pixel composition: 2 Red +1 Pure Green +1 Pure Blue.
The total number of physical pixels is 1920x640=1228800pixel, and the physical pixel spacing is 16mm
Physical pixel density 3906 pixel
The module size is 256mmx128mm
The module has 16x8=128 pixels
Cabinet size (w, h, t) 1024mmx1024mmx185mm, cabinet pixels, 64x64
Total number of cabinets 30x5=150
Box weight: 65kg
Box material: Cold-rolled plate spraying.
Drive Mode: Static.
Control system synchronization.
Refresh rate 300hz
Best line-of-sight distance (min, max) 8-300mBrightness >9000cd
Service life of 100,000 hours.
Operating voltage: AC220V 50Hz; AC110V 60Hz power max 160kW; Average 50kw
Operating temperature -20 +50
Operating humidity 10% 95%.
Storage environment -40 +60
Viewing angle Horizontal viewing angle: 110°, Vertical viewing angle: 60° gray level Red, green, blue 16K each
Display color 4096 billion.
IP65 degree of protection
This is our company's parameter, for your reference.
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Hehe, big brother, you're too dark! ,If you want two or three, you can give it to you.,So much at once.,I think you still search on the Internet yourself.,It's easy to find.,Or don't go to some display screens**,There's a lot of knowledge about the display screen.。
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The common models of external LED full-color electronic screens are P10, P12 and P16
Model Dot pitch Pixel density Brightness (cd square meters) Optimal viewing distance Module size.
P10 10mm 10000 points square meter >=9000 10-75m 160*160mm
P12 12mm 6944 points square meter >=8000 12-100m 192*192mm
P16 16mm 3906 points square meter >=7000 16-130m 256*128mm
Other P14 14mm 5102 points square meter >=8000 14-110m 224*112mm
P20 20mm 2500 points square meter >=6000 20-160m 320*160mm
1024 points square meter >=4500 32-250m 250*250mm
The display is incomplete and is well solved, 1Half of the display is not displayed: this is a bit more likely. >>>More
Generally, pay attention to moisture-proof, dust-proof, anti-static, and do not press.
First, choose specifications.
Indoor LED full-color screen has P4 P5 P6, outdoor LED full-color screen has P10, P12 P16 P20 P25 >>>More
For example, invest in a P8 outdoor LED advertising screen, the area is about 60 square meters, according to the cost per square meter of the P8 screen body is about 2800 yuan (each manufacturer has a slight deviation), plus the cost of supporting equipment and steel structure is about 1200 yuan per square meter, the unit price per square meter is about 4000 yuan after installation, and the total investment of 60 square meters of LED advertising screen is about 240,000 yuan, and it will not deviate too much. >>>More
The effect is almost the same, mainly used in the rental market 500*1000mm cabinet, P3 is a conventional screen.