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LCD pixel response speed doubled

Ghosts in the machine exorcised
Sun Sep 05 2004, 19:53
JAPANESE newspaper the Nihon Kaizai Shimbun said that Mitsubishi has mastered a technology to improve the response speed of pixels on LCDs by 100 per cent or more.

It's done this by getting rid of the afterimages on screens which known as “ghosts”, said the newspaper, and invented a proprietary system called Dual Domain Bend.

It cites unnamed sources at Mitsubishi saying that this method produces a response speed of one millisecond when power is applied and five milliseconds when the lights go off and the power goes down. That, the paper said, compares to up to forty milliseconds to switch pixels on and off.

While the technique, when it gets to the manufacturing stage, will have immediate benefits for PC monitors, it will also help narrow the gap between LCD TVs and plasma displays, which have a quicker response speed.

Nihon Keizei Shimbun Subscription required


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