Dot matrix screen and LED are related, but not completely the same.
Dot matrix screen usually refers to a display technology, where "dot matrix" refers to the number of pixels or LED points that can be displayed on the display. This screen can be composed of LED or other types of light-emitting elements, used to display text, numbers, images or videos, etc. LED dot matrix screen is a type of dot matrix screen, which specifically refers to a display device composed of light-emitting diodes (LEDs). This screen displays information by turning LED lamp beads on and off. It has the characteristics of simple production and convenient installation. It is widely used in various public places, such as advertising screens, bus station announcers, etc.
LED dot matrix screens usually consist of display modules, control systems and power systems. They can be monochrome or dual-color, depending on the color of the LED used. LED dot matrix has a variety of sizes, such as 4×4, 4×8, 5×7, 5×8, 8×8, 16×16, etc. According to the size and color of the dot matrix, different contents can be displayed, such as numbers, Chinese and Western characters, graphics, etc.
Therefore, although dot matrix screens and LEDs are technically related, the concept of dot matrix screens is broader and can include display screens composed of LEDs or other light-emitting technologies. LED dot matrix screens specifically refer to display devices composed of LEDs, which are used to display various visual information.