Sat, Nov 21 2009
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Published September 28, 2009 09:51 am - New TV tech promises a better picture By KIM KOMANDO With football season here, maybe you’re eyeing your old televisions and considering new sets. Before you buy, learn about the latest developments in television technology. Your choices aren’t limited to LCD and plasma. A slew of new technologies are hitting the market: LED TVs Sharp, Samsung, LG and Toshiba all make LED TVs. These are really LCD sets. However, they use light-emitting diodes for backlights. Other LCDs use cold compact fluorescent lamps. LED backlights provide clearer, crisper images with better contrast. For an even better picture, look for one with local dimming. Local dimming turns off the backlight in dark areas of the screen. The result is black blacks and excellent contrast. LED TVs cost more than traditional LCDs. Expect to pay a $400 premium. For example, Samsung’s 32-inch UN32B6000 runs $1,500. The comparable LN32B650 runs $1,100. But a LED TV may save you in the long-term. LED backlights use less power than CCFLs. OLED TVs OLED sets are also trickling out. Unlike other sets, OLEDs don’t require backlights. Rather, they use organic light-emitting diodes. When a charge is applied to the material, it creates a picture. It also gives off the light necessary to illuminate it. OLED sets are amazingly thin and use less power than LED sets. And the picture is even more impressive than that of an LED set. OLEDs provide excellent contrast and color reproduction. Of course, OLED sets are not cheap. Sony’s 11-inch XEL-1 runs $2,500. LG will release a 15-inch model early next year. It should run about $2,500. Larger models are also rumored. 
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