LED is Light Emitting Diode. LED applications can be divided into two categories: one is LED display screen; the other is LED single tube applications, including backlight LED, infrared LED and so on. Now, as far as the LED display screen is concerned, the design and production technology level of China is basically synchronized with the international level. The LED display screen is a 5000 yuan computer configuration sheet consisting of LED arrays. It is driven by low voltage scanning. It has the characteristics of low power consumption, long service life, low cost, high brightness, few faults, large viewing angle and long visual distance.
