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Jul 19,2021| LED Knowledge
At present, many industries need to use LED large screens. Especially in recent years, as LED large screens are understood and accepted by more and more friends, more and more friends have chosen LED large screens. There are also many manufacturers of large LED screens on the market. Therefore, when we buy P3.91 full-color LED display, we should pay attention to the following aspects:
1. LED die. As with outdoor full-color LED displays, it is generally recommended that the LEDs of indoor P3.91 full-color LED displays use light-emitting diodes packaged by Meiyadi, and high-end products are recommended to use Japanese Nichia and American CREE dies.
2. Package form. The 3528, 2121, and 1010 of the surface mount package have the advantages of large viewing angle, good luminous consistency, and easy automatic welding process. They are the mainstream products of full-color LED display.
3. Density. Because indoor full-color LED chips
generate a large amount of heat and the control circuit density is relatively
high, the dot density of current commercial full-color LED displays cannot be
made very high. At present, P3, P4, P5 and P6 are more widely used in the
market. These are relatively economical, and are mainly mainstream products in
the middle and low-end markets.
4.The driving method. The driving method of indoor full-color LED display is constant current driving, using dynamic scanning method (mainly 1/4, 1/8, 1/16, etc. scanning methods).
5. Refresh frequency. Increase the refresh rate, no flicker or tailing under camera shooting.
In addition, when we buy the large screen of the P3.91 full-color LED display, we must choose a big brand. Because the technology maturity of the big brands is higher; the flexibility is stronger; the quality effect is better.
It can be said that there are many LED large screen manufacturers on the market now, but if we choose a big brand, it also has very good technology, and its technology is also particularly mature, especially it also has a very professional technical management The team can thus better guarantee the quality of the product; in addition to having very strong technical support, choose the P3.91 full-color LED display of a big brand, which is also customized according to the actual needs of the company, so that it can also meet The diversified needs of users, and it also has a very good quality guarantee; when we choose the P3.91 full-color LED display of a big brand, there is another advantage, that is, the product quality effect is particularly good, and The materials used in the related facilities are very reliable, especially the big brand manufacturers in terms of after-sales management services, which will make people feel more at ease.