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Technology | P3.91 transparent LED large screen characteristics and application site analysis

December 19, 2022




In the field of LED transparent screens, different models of products have different application requirements. It is not chosen casually. The most widely used model in the market is the transparent LED large screen P3.91. Let's do a specific analysis around this product:





1.The spacing of the LED transparent screen P3.91 is actually 3.91mm/7.81mm, that is, the spacing between the horizontal lamp beads is 3.91mm, and the vertical spacing of the lamp beads is 7.81mm. Therefore, we can calculate its pixel density (1000÷3.91)×(1000÷7.81)=32256dot/m2.

2. The greater the pixel density, the clearer the display effect, so the display effect of the P3.91 transparent LED large screen is clear. But the clearer the screen, the more expensive the screen per unit area. This is also easy to understand: because the more lamp beads per unit area, the lamp beads are one of the main factors affecting the price in the transparent screen.









3.But clarity and transparent screen are contradictory to some extent. The clearer the screen, the lower the transparent screen, because the density of the lamp beads and the distance between the light bars become smaller, so the occlusion increases, and of course the permeability will be lower. At present, the transparency rate of LED transparent screen P3.91 can reach about 65%. Through the optimization of the structure of the power box and the light bar, the permeability is further improved by up to 75% without affecting the product stability and playback effect.


4.The higher the high-definition screen, the better for close viewing. Therefore, the transparent led large screen P3.91 is a screen for close viewing. Usually suitable for the viewing distance of 4 to 20 meters. Therefore, it is more used in the fields of indoor windows and shopping mall atriums. It should be because these areas have a short viewing distance and high requirements for playback clarity. And also need a certain degree of permeability. Overall, P3.91 is the most suitable. If you look closely, the area is generally not very large. Therefore, its application area is mostly within 60 square meters.

Summary: For indoor viewing at a close distance, the screen area is not large, and there are requirements for playback clarity and transparency, then the P3.91 transparent LED screen is your best choice.

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