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The five differentiators between LED and LCD are revealed

In this ever-changing digital age, every leap forward in display technology is a redefinition of the visual experience. What are the essential differences between LED and LCD, as the two mainstream display technologies? And how do you choose according to your needs? This article will delve into the comparison and differences between LEDs and LCDs from five key dimensions, revealing the technical differences behind the two.

Luminescence principle: the difference between active and passive

  • LCD (Liquid Crystal Display): An LCD screen is made up of a colored film and liquid crystal molecules. This film carries the three primary colors of red, green, and blue, while the liquid crystal molecules are located between the glass plate and the film, which are regulated by electric current. There is a continuous light source behind it, similar to a flashlight that is constantly on. When the current flows, the liquid crystal molecules are neatly arranged to form an optical path, and the light of a specific color penetrates out, and the corresponding position of the screen is colored. When there is no current, the liquid crystal molecules close the optical path out of order, the light cannot pass through, and the screen area becomes darker. In this way, by controlling the liquid crystal molecules, the brightness and color change of the picture can be realized.
  • LED (Light Emitting Diode Display): The LED advertising screen is like a large color dot matrix map, which is composed of many small lights (LEDs). These small lights can emit different colors of light, and the computer can control which lights are on, which lights are off, and how bright, and various texts, pictures, and videos can be displayed on the screen.

Color expression: the contest between real and vivid

  • LCDs are limited by backlights and filters, and have relatively low color saturation and contrast, especially when displaying dark scenes.
  • Due to its self-luminous characteristics, LEDs can show richer and more accurate colors, with higher contrast and deeper blacks, bringing users a more vivid and realistic visual enjoyment.

Energy efficiency: the trade-off between energy saving and efficiency

LED display, due to its pixel self-illumination characteristics, can greatly reduce ineffective light emitting and achieve more efficient energy use than LCD. When displaying a darker picture, LEDs consume much less energy than LCDs.

Viewing angle: the difference between wide and limited

  • LCD screens may experience color distortion or reduced brightness at extreme viewing angles, affecting the viewing experience.
  • LED displays, due to their luminous characteristics, maintain good color accuracy and brightness uniformity even when viewed at large angles, providing a wider viewing angle.

Cost vs. Durability: Value vs. Investment Considerations

  • LCD technology is mature, the production cost is relatively low, is the best choice for cost performance.
  • LEDs, although the initial investment is higher, have a higher return on value in the long run due to their excellent display and energy efficiency, as well as a longer service life.

To sum up, LEDs and LCDs have their own merits, and which one to choose depends on your preference and wallet. If you like colorful and power-saving, you can consider LED; If you are looking for cost performance, LCD is also a good choice! I hope this explanation will be helpful to you, and the next time you buy electronic products, you will have a good idea in your heart!

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