The current domestic market LED display material selection and the difference between imported materials - Full color LED screen - knowledge

by:Xinyao LCD     2020-04-22
The current domestic market, full-color led display is uneven, each manufacturer and pack up, the market there are a lot of price difference, in addition to the brand value and quality factor, the main reason for the led display price difference, also from the led display screen of choose and buy different analysis of raw materials. General LED display screen raw materials from kinds of points, can be divided into imported materials and domestic materials. Is simple with light emitting chip, the common import countries: the United States, Japan, Taiwan. Nowadays domestic chip began, don't have to actually sent many abroad. Each light emitting chip has its own advantages and disadvantages. The United States and Japan chip, because it holds the core technology, product demanding, and huge export tax, so under the similar holding entourage of, the United States and Japan chip cost is high. At present domestic has widespread use in Taiwan and local chips, but its performance compared to the United States and Japan chips, there are still a big gap. But general enough market demand, in line with the Chinese consumption concept. If the LED screen is used in more specific occasions, or USES imported materials is better; In addition to the LED chip on a large screen, other factors influencing the LED screen cost mainly is the LED driver IC, if I were the customer I will choose the best cost-effective driver IC according to the circumstance, although it is the price a little higher, but the driver IC is LES embodies screen quality and life of the very urgent factor, for full-color LED screen of time must be constant voltage constant current driver IC; So it is very important. Other aspects of the material, such as power supply, housing, and reflected all kinds of accessories, screen overlap, as long as there is no much difference in quality is not too bad in general.
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