NEC ELECTRONICS' NEW TECHNOLOGY ENABLES SLIM, LARGE LCD TVS

Wed. October 29, 2008; Posted: 12:11 AM

TOKYO, Oct 29, 2008 (AsiaPulse via COMTEX) -- NELTY | Quote | Chart | News | PowerRating -- NEC Electronics Corp. (TSE:6723) has developed a next-generation connection technology for the circuitry in large LCDs that will help make the displays thinner and also smaller overall.

The technology is specific to the wiring used to transfer signals from the image processing board to the driver chips that are fitted to the periphery of the LCD panel and control the pixels. Each driver chip is connected individually, and because larger LCD panels require more of the devices, the result is a huge increase in the amount of wiring, which takes up additional space.

NEC's new technology reduces the amount of wiring by more than half. This is accomplished by using a single wire to carry both the clock signal and the image data to the driver chips, rather than using separate wires.

The panel for a full HDTV 37-inch LCD television normally requires 21 wires, but only eight are needed with the new technology. Since the wiring to the driver chips is folded up behind the panel, fewer wires means the space needed can be narrowed from 2cm to 1cm, resulting in a thinner display.

The new connection technology also more than triples the speed of data transmission, so methods to improve image quality and reduce ghosting can be implemented without adding more wiring.

NEC Electronics expects to have a practical version of the technology ready in 2009 for supply to manufacturers of large LCD TVs.

(Nikkei)

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