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The high-end meeting room has limited space in general and is not suitable for installing a splicing display system with a large space requirement, and there are also requirements for making the use of flexible and convenient and simple and quick maintenance. At the same time, the user's strict requirements on the overall display effect also abandon the traditional display products of DLP and LCD. Therefore, before the small-pitch LED splicing into the market, most users use the front projection display system. This kind of system can only access a very small number of signal sources, and it has high requirements for the use of the environment, and is vulnerable to the impact of ambient light, and the display effect is greatly reduced.
In this context, the appearance of a small pitch solves many pain points in the application of the video conference display system.
1. Really “no seams†solves the pain points of LCD and DLP screen segmentation using small-pitch led display screens. Leaders will not be split when playing news topics or holding video conferences. At the same time, when displaying WORD, EXCEL, and PPT that are frequently played in the conference room environment, there will be no confusion due to patchwork and form separation lines, resulting in misreading and misjudgment of the content.
2, active light, to solve the problem of the front projection light affect the presentation before the projection screen and the light source if there are people walking around, will affect the normal display of the screen, so to the speaker's presentation of the broadcast content has brought great restrictions.
3, brightness adjustable, to solve the "conference pull curtains," the inconvenience contrast, the projection fusion, DLP mosaic display brightness is slightly lower (front screen brightness 200cd/m2-400cd/m2), for a large conference room or environment For a brightly lit meeting room, it is difficult to meet application needs. Because LED is self-luminous, it is affected by ambient light with little interference. Supports 12~16Bit high-grayscale display (low-light and high-gray) in the brightness adjustment range, the screen is brighter, and the details are perfectly presented.
4, long life and easy maintenance, reduce the cost of the conference display system projection fusion, LCD / PDP plate splicing, DLP splicing commonly used after a certain period of time will come out of the dark corners, dark edges, "patch" and other phenomena. DLP and projection also require a replacement bulb or light source. The small-pitch LED has a long service life of 100,000 hours. It adopts point-by-point correction to resolve the color difference after a long period of use, and allows single point maintenance and pre-maintenance, thereby reducing the system cost and maintenance difficulties. In addition, the front-maintenance small-pitch LED cabinet is light and thin, and no maintenance channels are required, which reduces the occupancy rate of display equipment for office space.
In addition, the small-pitch LED display supports horizontal viewing angles of 170°/vertical 160°, which can better meet the needs of large meeting room environments and ladder-type meeting room environments. Moreover, it has a better heat dissipation system than LCD and DLP, and does not need a noise source such as a fan, giving the user a pure and quiet meeting environment.
In summary, compared to DLP, LCD and projectors, LED small pitch is more suitable for conference room applications. 
With the development of technology and the higher visual requirements of industry users, the demand for ultra-high resolution display systems in high-end meeting rooms is more and more urgent. Users want to seamlessly splicing the perfect display effect, and hope that the entire system will occupy Less space, but also requires the system to support a certain number of various mainstream video signals (such as Video, S-Video, YPb Pr/YCb Cr, HDMI, SDI, etc.) and various business application scenarios (such as reporting PPT, report application, video Display of meetings, etc.)