Samsung Produces Ultra-Slim, Energy-Efficient LCD Panels with Edge-Lit LED Backlighting

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Mar 27, 2009 15:41 Nikkei Electronics Asia

In response to rapidly expanding demand for slimmer TVs, Samsung Electronics LCD Business announced that it has begun mass producing what it claims is the industry's first ultra-slim LCD panels for large size TVs.

The edge-lit LED (light emitting diode) backlighting from Samsung is said to offer lighter weight and thinner designs, preferable for wall mounting over bulkier direct-lit LED LCDs. The LED-backlit panels are mercury-free and consume less energy. For example, a 55-inch HDTV with edge-lit LED backlighting is claimed to use up to 40% less power than conventional LCD TVs.

Just 10.8mm thick, the panels are only a fourth the thickness of conventional LCD panels currently in mass production and come in 40-, 46- and 55-inch diagonal sizes.

While a direct-lit LED backlight will project light forward across the full expanse of the display from the front, edge-lit LEDs emit light from a row of LEDs on the top and bottom of every panel, using less power. The edge-lit technology gathers the light towards the center of the display and bends it, reflecting it forward through a light-guide plate that precisely focuses the light for better picture quality.

Samsung said it has now resolved technical issues affecting development of a marketable edge-lit LED LCD display, including inadequate brightness across the entire screen, and overheating of the outside frames and light-guide plate.

NIKKEI ERECTRONICS ASIA

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