LED 스크린과 LCD 스크린의 차이점은 무엇인가요?

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LED 스크린과 LCD 스크린의 차이점은 무엇인가요?

Both LED display and LCD display are relatively common video displays on the market. LCD displays are more commonly used in TVs, which is what people often call LCD TVs. LEDs are more commonly used in video displays for commercial advertisements. Many of us are still unsure of the difference between LED and LCD screens. From our home TVs to the bright and bold digital retail and electronic showcases that we see every day on the street, they have become an important part of our lives, but few people understand them from a basic perspective.

So, what is the difference between LED screens and LCD screens?

LED 디스플레이 

LED (Light Emitting Diode) display is composed of many small LED module panels. Each LED module panel, also called LED display module, is composed of many LEDs. Dot pixels are arranged in a matrix, and the distance of each LED dot pixel is called dot pitch. Normally, those with a dot pitch below P5 (including P5) are used indoors, and those with a dot pitch below P2 are called small-pitch LED displays, such as P2, P1.875, P1.667, and P1.583. The indoor viewing distance is relatively close; and the pixel pitch is more than P5, it is often used outdoors, and the P8, P10, P16 and other pixel pitches are often used in outdoor LED display specifications.

LCD display

The LCD (liquid crystal display) screen consists of the display itself and a backlight LCD is the abbreviation of Liquid Crystal Display, which is composed of a certain number of color or black and white pixels, placed in front of a light source or reflector. Liquid crystal is a special substance between solid and liquid. It is an organic compound that is liquid under normal conditions, but its molecular arrangement is very regular like solid crystals, hence the name liquid crystal. The main working principle of the LCD display screen is to stimulate the liquid crystal molecules to generate dots, lines, and surfaces with the back light tube to form a picture.

Which is better, LED display or LCD display?

Clarity and brightness

LED displays have a much higher refresh rate than LCD displays, and both clarity and brightness are more advantageous than LCD displays. And the LED display screen can still display clearly under the strong light of direct sunlight, and its screen display brightness will be automatically adjusted according to the outdoor environment brightness to achieve an excellent video display effect.

Energy consumption

As far as its LED light source is concerned, LED display is an energy-saving and environmentally friendly product. Semiconductor light-emitting diode LED is an extremely energy-saving light source with a very wide range of applications under the current technology level. The energy-saving effect of LED display is LCD display. 10 times the screen, that is, under the same configuration conditions, LCD consumes 10 times more power than LED.

The viewing angle

The LED display can reach a relatively large viewing angle, with a viewing angle of 165°, and the video display is still clear. However, the viewing angle of LCD is very limited. If the viewing angle is slightly larger, it will not be clear and the video will become blurry.

 Contrast ratio

 The contrast ratio of high-quality LED display can reach 3000:1 or more, while the contrast of high-quality LCD display under the same configuration conditions is only about 350:1, that is to say, LED display is better than LCD display The screen image restoration ability is nearly 10 times stronger

Display splicing

LED display can realize seamless splicing of large screens, and various shapes of display screens can be spliced ​​according to the needs of the project, such as LED special-shaped screen, LED cube screen, curved, round, cylindrical Shapes and polygons, etc. When LCDs are spliced ​​together, there will be a relatively large gap between each LCD module. If the viewing distance is longer, you will not feel anything, but if the viewing distance is slightly closer, the gap between the large LCD screen is more obvious. The display effect is greatly reduced, and it is difficult to splice the LCD display into other shapes of video displays. This is where the LED display has more advantages than the LCD display.
Which is better, LED display or LCD display?

The scope of application

the use of LED display is relatively wide, it can be used for advertising video promotion, indoor and outdoor stage performances, live video display, video speeches of business meetings, video promotion of gymnasiums and the background of major evening parties Matching and so on. The scope of use of LCD display screens is relatively single, and they are generally used in advertisements with longer viewing distances. More LCD displays are used in TV displays, which are often referred to as LCD TVs.

In addition to the above advantages, LED displays have more advantages than LCD displays in terms of service life, display color, exquisite appearance and production technology. Which is better, LED display or LCD display? From the above comparison, we have already got the answer. Obviously, the LED display is much better than the LCD display. Compared with the LED display, the only advantage of the LCD display is that it is cheaper and lower in cost than the LED display. This is the main reason why the LCD display cannot be completely replaced by the LED display.

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