Comparative analysis of LED display and LCD splicing screen

With the expansion and penetration of the application range of LED display screens, the application competition of LED electronic display screens and LCD splicing screens is becoming increasingly fierce. Today both can be applied in certain occasions, so how to choose? What are the differences and advantages between the two? The following LED display manufacturer Beijing Xiantong Technology will give you a detailed answer.

LED display screen is also called electronic display screen, which is composed of LED dot matrix and LEDpc panel. It displays text, pictures, animation, video and content through the red, blue, white and green LED lights. It adopts low-voltage scanning drive, which has the characteristics of low power consumption, long service life, low cost, high brightness, few failures, large viewing angle and long viewing distance. It can display changing text, graphic images, numbers, and video; it can be used not only in indoor environments but also in outdoor environments. It has advantages that LCD screens, projectors, and TV walls cannot match. It is also widely used in stations, docks, Airports, hotels, banks, securities markets, construction markets, taxation, shopping malls, hospitals, finance, industry and commerce, post and telecommunications, sports, advertising, factories and mines, transportation, education systems, auction houses, industrial enterprise management and other public places.

The reason why the LED display has been widely regarded and developed rapidly is inseparable from its own advantages. It has: high brightness, miniaturization, long life, low operating voltage, low power consumption, stable performance and impact resistance. The LED display screen has bright colors and strong three-dimensional sense. It is as quiet as an oil painting and dynamic as a movie. The development prospect of LED is extremely broad. Currently, it is moving towards higher brightness, higher weather resistance, higher luminous density, and higher The development of luminous uniformity, reliability and panchromatic direction.

The LCD splicing screen is a splicing screen body that adopts the splicing method of the LCD display unit and realizes the large screen display effect through the splicing control software system. At present, the common splicing methods are 5.3MM 55-inch ultra-narrow LCD splicing, 6.7MM 46-inch ultra-narrow LCD splicing screen, 47-inch LCD splicing, 60-inch LCD splicing wall and 40-inch narrow-edge LCD splicing system.

Compared with TV and PC LCD screens, LCD splicing screens have higher brightness. The brightness of TV or PC LCD screen is generally only 250 ~ 300cd / m2, while the brightness of DID LCD screen can reach more than 700cd / m2. Since every dot of the LCD keeps the color and brightness after receiving the signal, unlike the CRT, it needs to constantly refresh the pixel dots. Therefore, the brightness of the LCD is uniform, the picture quality is high and there is absolutely no flicker, and the picture is more delicate when viewed at close range.

Compared with the LED display and the LCD splicing screen, who is the real king of screen display? We can see at a glance from the analysis of the following aspects.

The service life of LED is longer than that of LCD.

Refresh rate The refresh rate of LED is higher than that of LCD, and the response speed is faster.

In terms of energy consumption, LEDs are much lower in energy consumption than LCDs, so using LEDs is more environmentally friendly.

In terms of brightness, LEDs are more pure in color than LCDs, have a wider color gamut, and have higher brightness, which can increase the viewing angle of the display.

Viewing distance: LCD is suitable for close-up viewing, but the current LED pitch has been 2mm, close-up viewing is not a problem.

The backlight LED screen uses LED lights, light emitting diodes, and the LCD splicing screen uses cold cathode ray tubes. The LCD is cheaper in terms of price.

Therefore, the choice between the two depends on the scope and requirements of specific use. LCD is a low-brightness LCD screen, suitable for indoor viewing within 10 meters. Mostly used for monitoring centers or video conferences. LED is composed of countless light-emitting diodes. The dot pitch is large. It is suitable for outdoor or remote viewing. -The brightness of the 2000 model is different, and the best viewing distance can reach 6-80 meters. It is suitable for use in a larger venue environment. However, since the dot pitch of the LED display screen has reached 2mm, the current LED electronic display screen has entered the monitoring field, and the application field of the display screen will continue to expand in the future.

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