I. Concept

LED Display: LED Display, known as Light Emitting Diode Display, is a display device that uses Light Emitting Diodes (LEDs) as pixel points. It displays images or text by controlling the brightness and color of each LED. LED displays are characterized by high brightness, high contrast, wide viewing angle and long life.
Liquid Crystal Display (LCD): LCD is a display device that uses liquid crystal technology to display images. LCD is mainly composed of liquid crystal layer, backlight and color filter. The image is displayed by controlling the transmittance of the liquid crystal layer, while the backlight provides the light source. Liquid crystal displays are characterized by accurate color reproduction, wide viewing angle and low power consumption.
Second, the technical characteristics

LED display:
High brightness: The brightness of LED display is much higher than that of LCD display, which is suitable for outdoor and indoor environments with strong light.
High contrast ratio: LED display has high contrast ratio, which can present more vivid and real images.
Seamless splicing: LED display adopts modular design, which can realize seamless splicing and is suitable for large display projects.
Energy saving and environmental protection: LED display has high energy efficiency and long life of light-emitting diodes, which reduces energy consumption and waste generation.

Energy consumption and life: relatively high, but the LED lamp beads have a long life, and the overall maintenance cost is low.
Environmental adaptability: waterproof and dustproof, suitable for a variety of indoor and outdoor environments.

Liquid Crystal Display (LCD):
Accurate color reproduction: LCD liquid crystal display can accurately reproduce the color of the image, through precise control of the color filter, making the display more realistic.
Wide viewing angle: compared with other display technologies, LCD display has a wider viewing angle, the user can get a relatively stable display effect at multiple angles.
Low power consumption: LCD displays consume less power, especially in static displays, which can save energy.

Lifespan: Although not as good as LED display, the lifespan has been greatly improved by modern technology.
Viewing comfort: suitable for closer viewing, less eye irritation.