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Analysis of The Respective Characteristics of LED Display And LCD Splicing Screen

　　【1】LED display features:

　　1. The brightness of the light is strong. When the sun shines on the surface of the screen within the visible distance, the display content is clearly visible

　　2. Automatic brightness adjustment has automatic brightness adjustment function, which can obtain the best playback effect in different brightness environments

　　3. Various information display, network display, remote control such as videos, animations, charts, text, pictures, etc.

　　 4. Advanced digital video processing, technology distributed scanning, modular design/constant current static drive, automatic brightness adjustment

　　5. Super gray scale control has 1024-4096 gray scale control, the display color is above 16.7M, the color is clear and realistic, and the three-dimensional feeling is strong

　　6. Static scanning technology adopts static latch scanning method, high-power driving, fully guaranteeing the brightness of light

　　7. Imported large-scale integrated circuits are fully adopted, the reliability is greatly improved, and it is easy to debug and maintain

　　8. Static scanning technology adopts static latch scanning method, high-power drive, fully guarantee the brightness of light

　　9. The image is clear, without jitter and ghosting, and eliminates distortion

　　10. Super bright pure color pixels

　　11. All-weather work is fully adapted to various harsh outdoor environments, waterproof, moisture-proof, anti-corrosion, lightning protection, strong overall seismic performance, good display performance, and high cost performance. The pixel tube can adopt P10mm, P16mm and other specifications.

　　 [2] Features of LCD splicing screen:

1. High brightness and high contrast: DID LCD splicing screen has higher brightness, which is different from ordinary TV and PC LCD screens. The brightness of TV or PC LCD screen is generally only 250~300cd/m2, while the brightness of DID LCD screen can reach 700cd/m2 or more. The DID LCD splicing screen has a contrast ratio of 1200:1, or even a contrast ratio of 10000:1, which is more than double that of traditional PC or TV LCD screens and three times that of general rear projections.

　　2. Thanks to the color calibration technology specially developed for DID products, through this technology, in addition to the color calibration of still pictures, it can also calibrate the color of dynamic pictures. Only in this way can the screen output be accurate and stable. In terms of color saturation, DIDLCD can achieve high color saturation of 80%-92%, while the current color saturation of ordinary CRT is only about 50%.

　　3. The brightness is uniform, the image is stable and does not flicker. Since each dot of LCD keeps that color and brightness after receiving the signal, it does not need to constantly refresh the pixels like CRT. Therefore, the LCD has uniform brightness, high image quality and absolutely no flicker.

4. 120HZ double frequency refresh frequency, 120Hz double frequency liquid crystal display technology of DID products? Can effectively solve the smearing and blur in the process of rapid image movement? Enhance the sharpness and contrast of the image? Make the picture clearer? The human eye can watch for a long time. Not easy to fatigue.

5. The viewing angle is wider. With this technology, the viewing angle can reach double 180° (horizontal and vertical). Through the application of PVA technology, the "image vertical adjustment technology", the LCD splicing screen has a wider view angle.

　　6. Pure flat display, LCD is the representative of flat panel display devices, it is a true flat display, no curvature, large screen, no distortion or distortion.

　　7. Ultra-thin and narrow-edge design, the LCD splicing screen not only has the characteristics of a large display area, but also has the advantages of ultra-light and thin. It can be spliced and installed easily. The special LCD screen for splicing, with its excellent narrow-edge design, makes the edge of a single chip even below 1 cm. Such a small edge effect will not affect the overall display effect of the entire display.

8. High service life, the service life of the backlight source of the DIDLCD LCD screen can reach more than 50,000 to 100,000 hours? This ensures that the brightness, contrast and chromaticity of each LCD screen used in the spliced display screen after long-term use Consistency? And to ensure that the service life of the display is not less than 50,000 hours.

　　9. Better reliability, ordinary LCD screens are designed for TVs and PC monitors and do not support continuous day and night use. ID LCD screen is designed for monitoring center and display center? Supports continuous use 7x24 hours.