LED display screen manufacturer shares maintenance methods for LED display screens
LED screen maintenance methods depend on whether it's a single/dual-color or full-color screen, and whether it's for indoor or outdoor use. Indoor single/dual-color screens are much simpler to maintain than outdoor full-color LED screens. Generally speaking, outdoor environments are harsh and prone to interference, placing high demands on LED screens. In short, the following points should be considered:
1. When turning on the screen, first turn on the computer control room, then the screen power supply; when turning off, reverse the order. When not in use, turn off all power supplies, including the screen's power supply and computer, to reduce electrostatic interference.
2. For larger screens, it's recommended to have a technician or manufacturer perform a comprehensive inspection every 3 to 6 months. This depends on the screen's quality. For smaller screens or indoor single/dual-color screens, normal daily operation is sufficient, and minor issues can be resolved via after-sales service.
Ordinary density LED display screen and high-density LED display screen
Screen density is related to pixel diameter. The smaller the pixel diameter, the higher the screen density. For specific selection, the closer the viewing distance, the higher the screen density should be; the farther the viewing distance, the lower the screen density can be. In the 8x8 standard LED matrix module of indoor displays, ￠5 and 13.7mm are the most common. The most common LED displays include single-color screens, dual-color screens, tri-color screens, black and white screens, full-color indoor surface-mount displays, LED laptop displays, and displays for mobile phones and various instruments and meters.
Full-featured display and smart display
LED displays are mainly divided into two categories according to their working methods: full-function displays and intelligent displays. Both are assembled using international standard 8x8 LED matrix modules, with identical screen surfaces and basic display functions. The main differences are:
① Intelligent displays do not require connection to a host computer for normal operation. They have a built-in CPU, can save multiple images even when powered off, and can operate independently. Some also include a clock chip for automatically displaying the date and time. When needing to modify the display content, a microcomputer can be connected via an RS-232 interface. Full-function displays, however, must be connected to a microcomputer to operate.
② Intelligent displays typically offer fewer display modes, such as pop-up, curtain, upward scrolling, and downward scrolling. Full-function displays offer diverse display modes. When using professional software to create and play programs, the display modes are virtually limitless.
③ Intelligent displays are easy to operate, while full-function displays require specialized personnel for operation and maintenance. Creating animated programs requires specialized knowledge.
Issues to note when selecting outdoor LED displays for users
Matters needing attention when selecting outdoor LED displays:
① From a usage perspective, full-color displays are the mainstream trend in the future due to their high brightness, full color range, and ability to operate around the clock. However, they are relatively expensive.
② From an application perspective, products that meet user needs have reason to exist. Dual-base color displays, with their low price and mature stability, occupy a large market share in applications where text display is required and color requirements are not high, and blue is not needed. The orientation and viewing distance of the outdoor screen play a decisive role in pricing. The farther the distance, the larger the pixels, and the higher the brightness. Northeast-facing screens are much cheaper than southwest-facing ones.
③ The screen body and the joints between the screen body and the building must be strictly waterproof and leak-proof: the screen body must have good drainage measures to ensure smooth drainage in case of water accumulation.
④ Install lightning protection devices on the LED display screen and the building. Maintain good grounding of the LED display screen body and shell, with a grounding resistance of less than 30Ω, to allow the large currents caused by lightning to be quickly discharged.
⑤ Install ventilation equipment for cooling to keep the internal temperature of the screen body between -10°C and 40°C. Install axial flow fans above the back of the screen body to exhaust heat. Select industrial-grade integrated circuits with an operating temperature between -40°C and 80°C to prevent the display screen from failing to start due to excessively low temperatures in winter.
⑥ To ensure visibility from long distances under strong ambient light, ultra-high-brightness LEDs must be selected.
Must I choose an LED display screen manufacturer when installing an LED display screen?
Many manufacturers sell LED displays on the market. Some are manufacturers that produce unit boards and provide assembly and installation services. Others don't produce unit boards or accessories; they only provide assembly and installation services. Many customers prefer LED display manufacturers. However, this choice isn't always the best.
Misconception 1: LED display manufacturers are large companies with reliable quality.
Undoubtedly, large companies, even listed companies, generally ensure quality. However, large companies may treat smaller clients poorly. This aside, with the development of the LED display industry and the maturity of production technology, producing LED display accessories is not difficult and doesn't require significant investment. This leads to a wide disparity in the strength and quality of LED display manufacturers, resulting in significant differences in product quality. Choosing an LED display manufacturer means choosing their unit boards and accessories, losing the right to choose products from other manufacturers. The quality is unknown, putting the risk entirely on the customer. Non-manufacturing companies, however, are directly affected by the quality of unit boards and accessories used, as it impacts their reputation and customer trust. If problems arise, the company bears the risk. Therefore, they carefully select high-quality, cost-effective products, effectively ensuring quality for the customer.
Misconception 2: LED display manufacturers offer lower prices.
Many LED display manufacturers mainly wholesale unit boards and accessories. They have many channel agents, and to protect their interests, their prices are generally higher than those of agents. Therefore, directly contacting an LED display manufacturer isn't necessarily cheaper.
Misconception 3: LED display manufacturers are powerful and provide products that better meet customer needs.
LED display manufacturers mainly produce and wholesale unit boards and accessories, often only undertaking LED display projects as a secondary business. They may not invest much in this area. Non-manufacturing companies, however, can focus on understanding customer needs and integrating solutions, often providing better products that better meet customer needs.
What is the total thickness of the indoor high-definition electronic large screen?
Indoor environments are generally smaller, and considering the daily maintenance of the display screen, indoor LED electronic screens generally do not need a box body, and generally use magnetic installation, which is more convenient for maintenance. The thickness of the screen itself is 2.5cm, and with the power supply and steel structure, the total thickness can be controlled to about 10cm.
How to solve the electrostatic and lightning protection problems of LED displays?
When manufacturing LED displays, factory workers must wear anti-static wrist straps when handling LED components to ground the static electricity generated by the human body. LED displays are exposed to static electricity during storage and transportation; electrostatic shielding can weaken the impact of external static electricity on electronic components. Common methods include using anti-static shielding bags and anti-static turnover boxes. Additionally, anti-static clothing provides some shielding against static electricity from the human body. Therefore, during handling and transportation, workers must wear cordless anti-static wrist straps and gloves, anti-static clothing, and anti-static shoes. They should also use anti-static material boxes, PCB anti-static racks, stainless steel turnover carts, and other specialized equipment to minimize direct human contact during transportation.
How to prevent short circuits and fires in LED displays?
1. When choosing a supplier, customers must remember not to choose low-price manufacturers. If the price is much lower than the market price, it means that the raw materials used are inferior;
2. LED electronic screens must undergo fire and waterproof testing before leaving the factory;
3. When technicians install on site, they must use a reasonable and correct wiring method, and the cables used must meet national standards.
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