Samsung producing ultra-slim LCDs with edge-lit LED backlighting
on March 27, 2009
Samsung announced it is now producing ultra-slim LCD panels that use LED (light emitting diode) backlighting rather than bulkier direct-lit LED LCDs. The LED-backlit LCDs consume less energy, one model being a 55-inch panel that uses up to 40 percent less power than conventional LCD TVs.
The new ultra-slim LCD TVs will come in 40-inch, 46-inch and 55-inch diagonal sizes and are just 10.8 millimeters thick.
“There is a rising demand for light weight large TVs that can be mounted on the wall like a painting, with LED backlighting as a higher quality alternative to the more common CCFL (cold cathode fluorescent lamp) technology,” said W. K. Chang, president of Samsung Electronics LCD Division.
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 outstanding picture quality.
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