LST EN 61747-4-2001 Liquid crystal and solid-state display devices. Part 4: Liquid crystal display modules and cells. Essential ratings and characteristics (IEC 61747-4:1998)
2013LST EN 61747-4-2013 Liquid crystal display devices -- Part 4: Liquid crystal display modules and cells - Essential ratings and characteristics (IEC 61747-4:2012)
2001LST EN 61747-4-2001 Liquid crystal and solid-state display devices. Part 4: Liquid crystal display modules and cells. Essential ratings and characteristics (IEC 61747-4:1998)