The newly installed advertising screen is always criticized for not being able to see clearly during the day? When purchasing commercial LED full-color screens, novices have more pitfalls than display screens. Today we will talk about something real and teach you how to choose​Intelligent brightness adjustment +7×24 hours response​Reliable products.

1. Text game in brightness parameters

Don't believe what sales say is "ultra-high brightness". The key is to look at it.​Adaptive environment adaptability​. A truly qualified commercial screen should do:

• ​​Indoor and outdoor dual modes​​: Indoor 800-1200cd/m² is not dazzling, and can reach 7500cd/m² under direct light outdoors
• ​0.1 second photosensitive response​: Automatically adjust the brightness like a mobile phone screen, and the power consumption is 30% reduced on rainy days
• ​1920Hz high refresh rate​: There will be no scanning line when shooting promotional videos

There is a pit here: many businesses use itPeak brightness​Fraudulent people. Remember to checkContinuous working brightness​, use the photometer to measure the center of the screen for 5 minutes, and the fluctuation value exceeds 15%.

2. Golden formula for scene adaptation

Don't be fooled by the "universal screen" technique, remember this formula:

观看距离（米）×1.5=最佳像素间距（毫米）

Take a chestnut:

• ​10 meters sight-distance​: Select P6.67 screen, 22,500 pixels per square meter
• ​3 meters in front of the conference room​: It is necessary to use P2.5, 409600 pixels/㎡ to be delicate enough
• ​Stadium fence​: It must have IP65 waterproof + self-heating structure, and work as usual on heavy rains

Suddenly I thought of a question: How to deal with arc-shaped walls? This is the time to​Bendable box​, can be used to form any arc of 15°-270°, 60% lighter than traditional iron boxes, and 3 times faster to disassemble and assemble.

3. Purchase channel pit prevention map

Take 2 minutes to check this table and avoid detours for half a year:

Last week, I saw a tragedy: a chain store bought 20 screens in an e-commerce store. After installing it, I found that the control card was incompatible, and I only revise the line and burned 50,000 yuan more.

4. Four violent tests must be performed for acceptance

Don’t cry when you are ready. Remember these four tricks when inspecting goods on site:

1. ​​Noon Sunshine Challenge​: Turn on the phone until the brightest, and the screen brightness is hard
2. ​​Spray water to seal the throat​: The flower pot simulates rainfall for half an hour to see if water is in the heat dissipation hole
3. ​​Seven-day marathon​: Play 4K video continuously for 144 hours, observe color block offset
4. ​​Black screen to find fault​: Looking closer to the shutdown state, the inferior screen will be grayish-white

I have a cold knowledge:​Lamp bead welding process​Determines the life of the screen. With the screen driven by the common-yin, the brightness can remain above 85% in five years, making it more than 2 years of advertising fees than ordinary screens.

5. Hidden formation cost calculator

Do you think it's over after buying it? These expenses are deadly:

• ​​Electricity bill​: 10㎡ screen is 12 hours a day, ordinary screen consumes 900 degrees per month, and intelligent adjustment screen only 600 degrees
• ​​Repair​: The module is replaced once every two years on average, and the high-end screen can be used for more than 5 years.
• ​Content Update​: Screen with cloud control system, saving 90% labor costs for changing content

Recently, there is a new way to play: turn the ad screen into​Data board​, After accessing customer flow analysis, the entry rate of a certain clothing store soared by 45%, which is much more valuable than asking internet celebrities to bring goods!

Editor's opinion: Don't be superstitious about "imported chips". Now domestic packaging technology is no longer inferior to foreign countries. The key is to find​Full process quality inspection + 24-hour response​​The supplier, after all, the screen is black for an hour, may lose the advertising revenue for the entire quarter. Before purchasing next time, remember to make the samples first​Drop Test​——The real kung fu is the one that can still be bright normally from 1 meter high.

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