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For digital information and advertising panels, which are often combined to video walls, frame width is a critical factor. The leaner the enclosure, the better the visual cohesion of such an installation.

According to LG Display, their new 55-inch Public Display currently provides the world's thinnest frame. The enclosure measures only 3.4 millimetres (left and right) and even only 1.9 millimetres at the top and bottom. Thus, a maximum distance of 5.3 millimetres separates each panel in a video wall.


While LGD does not mention the panel technology of the new Full-HD screen, they say that an energy-saving LED backlight was applied to illuminate the giant panel to 800 cd/m². Since it provides local dimming, it must be a direct-type backlight.


To present the effect of the thin frame, LGD will show a 165-inch video wall consisting of nine units of their public display at the trade show FPD. (Photo: LG)

As the name suggests, public displays are installed in public areas where they are used as digital billboards, information screens or wall decoration of buildings. According to DisplaySearch, the annual turnover of the public display segment is expected to increase sixfold until 2016, starting from 1.6 million units in 2009.