Samsungs large format displays use LED as a backlight which make them a more environmentally friendly display option. Halogen & mercury free & using 30 % to 50 % less power than conventional CCFL backlit displays, Samsungs EX-Series are a greener way to get your message across. The ultra-slim, ultra-light design of the Samsung LCD LED commercial displays provide a new era of elegance & efficiency. The 460EX has an ultra-slim style that effortlessly draws your eyes to the screen & its ultra-light design enables easier installation & maintenance. It’s a high-impact display that saves space with style. Response time: 9 ms Display brightness: 450 cd/m-square Display: 116.8 cm (46 ") Pixel pitch: 0.17675 x 0.53025 mm Viewing angle, horizontal: 178 ° Viewing angle, vertical 178 ° Contrast ratio (typical): 10000:1 Contrast ratio (dynamic): 50000: 1 Aspect ratio: 16: 9