​​Hey, my friends, do you often encounter such troubles?​​
I wanted to install a cool large screen in the company's exhibition hall, but I was blinded by the various LED displays on the market. I obviously spent a lot of money to buy the equipment, but the color block fault began to appear after half a year of use... Let's talk about where to find reliable indoor full-color LED displays? How to choose not to pay IQ tax?

1. There are good goods hidden in these places, you may not think of them.

Let’s first solve the “where to find” problem that everyone is most concerned about. To be honest, looking for an LED display now is like finding a partner - the channel is wrong, and the effort is in vain!

​​1. The hidden champion in the industry exhibition​​
Every year, professional exhibitions such as Shenzhen Light Expo and Shanghai LED Exhibition contain many technology companies that make a fortune in silence. Last year, I met a company at the exhibition. Their display can achieve a refresh rate of 1920Hz, and the high-speed picture is smooth like silk. This type of company usually does not advertise much, but its products have passed the hard-core certifications such as CE and CCC, and the quality assurance is even more guaranteed by those with high export ratio.

​2. List of key government engineering suppliers​
LED screen suppliers used for public construction projects such as subway guide systems and government service centers have been screened layer by layer. A friend told me that the P3 screen made by their company for the government hall of a provincial capital city has not failed for three years. This kind of case is more effective than any advertisement.

​​3. Foreign-invested enterprises China supply chain​​
Japanese and Korean companies are so strict about the quality inspection standards of display screens. Do you know why 87% of some companies’ products are exported to Japan and South Korea? People even have clear requirements for the torque value of screws. This kind of supplier makes domestic products with absolute dimensionality reduction.

2. Five major iron rules for purchasing, remember these pit avoidance guidelines

​​"Master, I can't understand the parameters of this display!"​​ Don’t panic, remember these hard indicators and let you choose good products:

​​1. The point spacing should be locked with the usage scenario​

• The first P2.5-P3 is recommended in the conference room/exhibition room, and no pixel particles can be seen from 1 meter away
• P4-P5 is used in shopping mall atrium, which is cost-effective and can be built
• Don't be superstitious about "the smaller the better". P1.0 is used in conference rooms to burn money, and the effect is hard to tell the difference between P2.5 and the naked eye.

​2. The higher the brightness, the better​
The indoor screen is just right. Some merchants boast about 3000cd/m², which are all outdoor screen parameters. Too high brightness? Wait for the employees to wear sunglasses to go to work together!

​3. The refresh rate must be four digits​
The screen below 1920Hz is full of water ripples. Test tips: Use slow motion mode of your phone to shoot the screen, and the screen is not shaken, which is really refreshing.

​4. The cooling system needs to be opened​
Have you ever seen an aluminum alloy backing plate? This heat dissipation is three times faster than that of plastic shells, and its service life is directly doubled. Some manufacturers use composite materials to save costs and use them for two years to turn yellow.

​​5. After-sales terms hide tricks​
The difference between the "three-year warranty" and the "three-year warranty" is 108,000 miles away! Focus on the warranty period of core components such as lamp beads, power supply, and control cards. Those who dare to protect for five years are the real boss.

3. Install and maintain these pitfalls, and you will lose 100,000 yuan if you step on one.

​​"I can't pretend after I buy it? Wait and burn money!"​​ Last year, a company installed it by itself in order to save money, but it turned out that a screen worth millions was installed into a "rainbow bridge". Remember these bloody and tears lessons:

​​1. Environmental testing cannot be saved​

• The temperature must be controlled at -10℃~40℃
• Humidity exceeds 70%? Go on the dehumidifier quickly and don't wait for the circuit board to grow mushrooms
• Don't put the screen in direct sunlight, just like not exposing your phone to the sun

​​2. The installation team must be certified to work​
All serious manufacturers are equipped with professional installation teams, and the box splicing error can be controlled within 0.1mm. The wild path construction team you found? It will show you the feeling of "tetris" in minutes.

​3. There are tips for daily maintenance​​

• Open the screen at least 2 hours a week, and it should be opened every day during the rainy season.
• Don’t use alcohol wipes for cleaning. Special cleaners + dust-free cloth are the best.
• Don't poke the dead light yourself, 24-hour technical response is not a decoration

​Personal opinion:​There is a strange phenomenon in the LED screen industry now - the parameters are so scattered, and the actual experience is a mess. It is recommended that everyone focus on real cases, such as projects that can operate stably for more than 5 years, which is more realistic than any parameters. Next time you go to the mall, don’t just take photos, touch the screen to dissipate heat and see the color transition, maybe you will discover the treasure supplier!

Finally, I would like to say that it is heart-wrenching: choosing a display screen is like finding a marriage partner. It is useless to just look at the appearance, but also to look at the "inner beauty". Those companies that can protect IP65 to the core, and those manufacturers who dare to price their monthly production capacity to 10,000 square meters, are the "honest people" who are truly worthy of entrusting.

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