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Minimal Viewing Distance Calculation in LED Display Panels

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2 Author(s)
Nazeran Motlagh, A.A. ; Dept. of Electr. & Electron., Islamic Azad Univ. Najafabad Branch, Esfahan, Iran ; Hashemi, B.M.R.

Light-emitting diode (LED) display panels have received more attention recently. These panels usually are placed in public places such as streets, squares, highways, and stadiums for live broadcasting of sporting events, TV programs, advertisements, and movie clips. An important characteristic of these panels is the minimum distance to see contiguous images on the panel with desirable quality which is referred to as the minimal viewing distance and is represented by dV . The minimal viewing distance depends on the pixel shape and pitch of the panel. In this paper, we study the relationship between the minimal viewing distance and the pixel shape and position and then provide a method to reduce this distance. This method can be used to manufacture panels with particular diagonal and distance of pixels for a required dV for a specific location.

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Display Technology, Journal of  (Volume:6 ,  Issue: 12 )