I, LED definition

English is the LED light-emitting diodes referred to as the Light Emitting Diode. High brightness, long-term vision and image clarity, color, good stability, low power, high-efficiency light, long life, and other advantages.

Second, LED display type

1, according to the color display can be divided into single-color (red or green), two-color (red, green), the three primary colors (red, green, blue).

2, according to the performance can be divided into graphic display screen, the screen simultaneously, the display market (including the screen of the Securities and exchange rate screen billboards plant, security card, etc.)

3, according to the sub-light-emitting materials:

① module (for indoor screen): light-emitting points in diameter can be divided into Ф3.0mm, Ф3.75mm, Ф4.8mm, Ф5.0mm and so on.
② control module and the pixels (for the external screen room): According to the point spacing can be divided into PH8mm, PH10mm, PH16mm, PH20mm and so on
③ digital tube (used to display prices): According to the point spacing can be divided into 1.2 inches, 1.5 inches, 1.8 inches, 2.3 inches, 3.0 inches, 4.0 inches, and so on.

4, by the use of sub-environment: The screen can be divided into indoor, outdoor rooms and a half, as well as external color screen.

Third, LED display and the role of the application

1, LED display screen with text, images, animation, and market televisions, video and so on. With a variety of editing and playback.

2, LED display is widely used in finance, taxation, electricity, transportation, telecommunications, health care, health systems and government agencies, sports management, industrial and mining enterprises, and other walks of life.

Fourth, LED display and its schematic diagram

By the LED-screen display control system + software + + + peripherals frame construction and decoration.


Reference link: http://www.17led.com/LEDdisplay/2008-03/38.html