What to pay attention to when installing LED electronic display

LED displays are becoming more and more popular in TV studios. However, during the use of LED electronic displays, the effect of TV pictures varies greatly. Some pictures are bright, clear and stable from beginning to end; This requires us to pay attention to several issues in the selection and use of LED electronic displays

1. The shooting distance should be appropriate

As mentioned earlier when talking about the dot pitch and fill factor, the appropriate shooting distances are different for LED electronic displays with different dot pitches and different fill factors. Taking an LED display with a dot pitch of 4.25 mm and a fill factor of 60% as an example, the distance between the person being photographed and the screen should be 4-10 meters, so that a better background picture can be obtained when shooting people. If the person is too close to the screen, when shooting close-up shots, the background will appear grainy, and it is easy to produce mesh interference.

2. The point spacing should be as small as possible

The dot pitch is the distance between the center points of adjacent pixels of the LED electronic display. The smaller the dot pitch, the more pixels per unit area, the higher the resolution, the closer the shooting distance can be, and of course the more expensive it is. At present, the dot pitch of LED electronic display screens used in domestic TV studios is mostly 6-8 mm. It is necessary to carefully study the relationship between the resolution of the signal source and the dot pitch, and strive to achieve consistent resolution and point-to-point display, so as to achieve achieve the best results.

3. The color temperature should be adjusted well

When the studio uses an LED electronic display as the background, its color temperature should be consistent with the color temperature of the lighting in the studio, so that accurate color reproduction can be obtained during shooting. According to the needs of the program, the lighting of the studio sometimes uses 3200K low color temperature lamps, sometimes 5600K high color temperature lamps, and the LED display needs to be adjusted to the corresponding color temperature to obtain satisfactory shooting results.

4. Ensure that there is a good use environment

The life and stability of the LED electronic display are closely related to the working temperature. If the actual working temperature exceeds the specified use range of the product, not only its life will be shortened, but the product itself will also be seriously damaged. In addition, the threat of dust cannot be ignored. Too much dust will reduce the thermal stability of the LED electronic display screen or even cause leakage, which will lead to burnout in severe cases; the dust will also absorb moisture, which will corrode the electronic circuits and cause some short-circuit problems that are not easy to troubleshoot, so pay attention to maintaining the studio. clean.

The LED electronic display screen has no seams, which can make the picture more perfect; it has lower power consumption, lower heat, energy saving and environmental protection; it has good consistency and can ensure the indiscriminate display of the picture; the size of the box is small, which is convenient for the composition of the background screen Smooth shape; the color gamut coverage is higher than other display products; it has the advantage of better weak reflection characteristics, and has high operational reliability and low post-operation and maintenance costs.

Of course, the LED display screen with so many advantages must also be used well in order to make its advantages fully manifested. Therefore, when using LED displays in TV programs, we need to choose suitable LED electronic displays, understand their characteristics in depth, and select technical products as the background for different studio conditions, program forms and requirements, so that these new technologies can maximize exploit its advantages.

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