60.3: Investigation on Viewing Angle Requirements and Glare with Respect to Size of Flat-panel Television Displays

This paper summarizes the results of an investigation on the viewing angle requirements for large flat-panel television displays as well as on screen tilting as a means of reducing glare in accordance with the “Ergonomic Design Guidelines for Flat Panel Display Televisions” established by a special committee of the Japan Ergonomics Society. First, taking into account screen size, we investigated viewing angle requirements through a field survey of household television viewing conditions. We then evaluated the influence of the size, mounting height, and tilt of the screen on the occurrence of glare. Next, we conducted laboratory experiments to investigate the allowable tilt angle for ensuring acceptable viewing comfort and the optimum screen tilt angle for each mounting height. The results can be used as guidelines for adjusting viewing conditions as well as for ergonomic design of flat-panel television displays.