一, the definition of led
Led is the abbreviation of light emitting diode in English. It has the advantages of high brightness, great vision, clear image, bright colors, good stability, low power consumption, high light efficiency, long life and so on.
二, the type of led display
1. According to the display color, it can be divided into single primary colors (red or green), double primary colors (red, green), and three primary colors (red, green, blue).
2. According to the display performance, it can be divided into graphic screens, synchronization screens, and market information screens (including securities screens, interest rate and exchange rate screens, factory billboards, security cards, etc.)
3. According to luminescent materials:
①Module (for indoor screen): According to the diameter of the light-emitting point, it can be divided into ф3.0mm, ф3.75mm, ф4.8mm, ф5.0mm, etc.
②Modules and pixel tubes (used for outdoor screens): According to the dot pitch, it can be divided into ph8mm, ph10mm, ph16mm, ph20mm, etc.
③Digital tube (used for market information display): According to the dot pitch, it can be divided into 1.2 inches, 1.5 inches, 1.8 inches, 2.3 inches, 3.0 inches, 4.0 inches, etc.
4. According to the use environment: can be divided into indoor screen, outdoor screen and semi-outdoor screen.
三, the role and application of led display
1. The led display screen is used to display text, images, animation, market information, TV, video, etc. It has a variety of editing and playback functions.
2. LED display screens are widely used in various industries such as finance, taxation, electric power, transportation, telecommunications, medical treatment, health systems, government agencies, stadium management, industrial and mining enterprises, etc.
四, the composition of the led display screen and its schematic diagram
It consists of led display screen + control system + related software + peripheral equipment + frame structure and decoration construction.
Knowledge of led display: led display is also known as: led electronic display screen|led display screen|led large-screen display|bar electronic display screen.