This article combines the engineering experience of
led screen brand manufacturers for more than 10 years, comprehensively analyzes the multi-purpose auditorium stage performance and high-definition video conference display requirements, from point spacing selection, pixel packaging, line of sight determination, circuit design, installation basis and system debugging, etc. Start with, share the experience of Liancheng hair
indoor LED display design.
The reason why LED has been widely recognized and developed rapidly is inseparable from its own advantages. These advantages are summarized as follows: high brightness, low operating voltage, low power consumption, large size, long life, impact resistance and stable performance. The development prospect of LED is extremely broad, and it is developing towards higher brightness, higher weather resistance, higher luminous density, higher luminous uniformity, reliability, and full color. Led display is widely used in sports venues, commercial applications, banks, securities, postal, terminals, shopping malls, stations, postal services, telecommunications, institutions, monitoring, schools, restaurants, hotels, entertainment, and other outdoor venues.
led the development of the display screen has 20 years of history, like other LCD stitching, projectors and other equipment, LED display from birth started, along with the technological progress and upgrading, display text-based content from the very start, after the Graphic and dynamic video. Currently widely used in outdoor advertising, stage performances, exhibitions, stadium events, conference centers and command centers.
This paper combines the engineering experience of LED screen brand manufacturers for more than 10 years, comprehensively analyzes the design, installation, testing and maintenance of indoor LED display. Here is a detailed description of the multi-functional hall stage performance examples:
I. Basic information of the project
1.1 Project construction needs
The multi-function auditorium stage performance display system is divided into three parts: main screen, auxiliary screen and monogram screen. The main screen construction demand is to build a large-format, high-definition large screen, display multiple computer digital signals, video recording of the venue, remote monitoring or video signals of different venues, etc., to achieve the display of video, explain materials, video conferences, etc. At the same time, we must also take into account the stage performance background; the auxiliary screen construction needs to display a standard definition signal, to achieve the display of conference-assisted content, and can also be used as a poster, subtitle, etc. during the performance; the monogram screen needs to display multiple colors of text.
The stage part of the auditorium is 20m wide, 17m deep and 18m high. The mouth is 15m wide and 7.8m high. The stage is equipped with stage machinery such as lights and curtains. The ear wall on both sides of the platform is 3m away from the ground, 8m wide and 6m high. The main screen display area is at least 72m2 (12m×6m). The front of the screen is the place for the podium meeting and performance. The screen is the actor passing and maintenance space. The first row of viewers is at least 17m away from the screen. The auxiliary screen is on the ear wall. The display area is at least 12m2 (4m × 3m).
Second, the key technology affecting the quality of indoor LED display
When designing the screen, the indoor LED display should consider three important factors: display content, space requirements, display size or pixel size. At the same time, it is necessary to ensure that the production process and technical indicators are suitable for the actual application needs of the room, and then combine the project cost. Make a reasonable design.
2.1 LED display point spacing
Visual graininess mainly comes from the human eye has a certain resolution, watching two points at a certain distance, when the two points are close to a certain degree, the human eye will not be able to distinguish. In the past two years, with the improvement of LED display manufacturing technology, the resolution of the small-pitch led display has been continuously improved. The indoor display design has been upgraded from the initial selection of the smallest point-distance specification scheme to the selection of the appropriate dot-distance specification scheme.
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