China has become an important center for global LED display manufacturing and is on the road to becoming a powerful LED display manufacturing country. The full-color LED screen is a system-integrated product that requires close cooperation between LED packaging manufacturers and display application manufacturers to strengthen technical communication. At present, China’s domestic LED packaging level has made great progress, and many aspects have approached or reached international levels, which will greatly promote the development of the LED display industry.
Full-color LED screen is a new type of electronic communication media with irreplaceable advantages, such as large size, high brightness, and strong environmental adaptability. It is widely used in advertising media, stage scenery, building decoration, traffic information, sports venues and other fields. With the rapid development of LED technology, packaging technology and display manufacturing technology and the further reduction of costs, full-color LED screens are gradually crossing the cost-effective application threshold and gaining widespread market applications and demand. Stadium LED display: enhance event experience and excitement.
The key to choosing a full-color LED screen lies in the selection of LED devices. LED devices are equivalent to the CPU of a computer and determine more than 50% of the quality of the display. If you choose the wrong LED, no matter how good the other components are, they won’t be able to make up for the deficiencies in display quality.
The quality and parameters of LEDs dedicated to full-color LED screens are mainly boiled down to the following five elements:
Failure rate: The failure rate of LEDs after a 72-hour aging test should not exceed 30,000 to ensure the stability and long life of the LED device.
Anti-static ability: LED is a semiconductor device and is sensitive to static electricity. Therefore, anti-static ability is crucial to the life of the display screen. Generally, the human body electrostatic discharge test voltage is required to be no less than 2000V.
Brightness attenuation: The brightness of LEDs will gradually attenuate as the working time increases. The attenuation should meet certain standards. For example, after 1000 hours, the attenuation of red LEDs should not exceed 10%, and the attenuation of blue and green LEDs should not exceed 15%. Here’s what you need to know about nit brightness.
Brightness: The brightness of the LED is an important parameter for the brightness of the display screen. The appropriate LED brightness and angle should be selected according to actual needs.
Consistency: The consistency of LEDs includes the consistency of brightness, wavelength and chromaticity, which has a great impact on the white balance and color fidelity of the display.
In addition, the following key points need to be paid attention to when using full-color LED screens:
Anti-static: Display manufacturing factories should take excellent anti-static measures, including static floors, anti-static equipment, etc., to prevent static electricity from causing damage to LED devices. What are the supporting equipment for LED display screens?
Wave soldering temperature and time: The temperature and time of wave soldering should be strictly controlled to avoid quality risks caused by overheating or insufficient soldering of LED devices.
Set the current value: The operating current of the LED should generally not exceed 80% of the nominal value. Especially for displays with small pixel spacing, the current value should be reduced to ensure the stability of the LED.
The selection and use of full-color LED displays need to be taken seriously. Only by selecting appropriate LED devices and adopting correct usage methods can the quality and stability of the display be ensured.
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