LED display in the studio and television is increasingly used in large-scale activities, as the activity background wall, it provides a variety of vivid, brilliant background images and more interactive features, make the background images also move also static, the performances and background together, perfectly and live shows the atmosphere of the fuses in together, implements the function and effect of other stage arts equipment is difficult to achieve.

However, to give full play to the advantages of LED display, the following aspects should be paid attention to in the process of selection and usage.

First, the viewing distance should be appropriate

The distance between shooting images is related to the point spacing and filling coefficient of LED display screen. The appropriate shooting distance for LED display screen with different point spacing and filling coefficient is different.Take the LED display screen with point spacing of 4.25mm and filling coefficient of 60% as an example, the distance between the photographed characters and the screen should be 4-10 meters, so as to get a better background picture when shooting people.If the character is too close to the screen, the background will appear graininess when shooting close-up, and it is easy to produce network pattern interference.

Second, the pixel pitch should be as small as possible

Pixel pitch is the distance between the center points of adjacent pixels of LED display screen.The smaller the dot spacing, the more pixels per unit area, the higher the resolution, the closer the shooting distance, and of course the higher the price.At present, the point spacing of LED display screens used in domestic TV studios is 1.5-2.5 mm. We should carefully study the relationship between the resolution of signal source and the point spacing, and strive to achieve consistent resolution and point-to-point display, so as to achieve the best display effect.'

Third, color temperature adjustment

When the studio USES the large LED screen as the background, its color temperature should be consistent with the color temperature of the studio lighting, so as to obtain accurate color reproduction in the shooting.According to the requirements of the program, the studio sometimes USES lamps with low color temperature of 3200K, and sometimes USES lamps with high color temperature of 5600K. The LED display screen needs to be adjusted to the corresponding color temperature, so as to obtain satisfactory shooting effect.

Fourth. Ensure a good use environment

Large LED screen life and stability are closely related to the working temperature.If the actual working temperature exceeds the specified service range of the product, not only its life will be shortened, but also the product itself will be seriously damaged.In addition, the threat of dust cannot be ignored.Too much dust will reduce the thermal stability of LED screen and even generate electricity leakage, which will lead to burning;Dust can also absorb moisture, corroding electrical wiring and causing short-circuits that are difficult to check, so be careful to keep the studio clean.