Samsung makes bigger flexible LCD

The latest prototype is a 7-in. display with a 640-by-480-pixel resolution

By Martyn Williams

November 28, 2005 12:00 PM ET

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IDG News Service - Samsung Electronics Co. Ltd. has improved on a flexible LCD panel it announced in January, producing a larger, higher-resolution version, the company said today.

The latest prototype is a 7-in. display with VGA (640 pixels by 480 pixels) resolution, said Chae Suyeon, a spokeswoman for Samsung. Both these specifications beat the last prototype, which was a 5-in. model with 400 pixels by 300 pixels resolution.

Like the last version, the latest panel is based on amorphous silicon TFT (thin-film transistor) technology, which is a common manufacturing method for LCD panels. However unlike conventional LCD panels, which are made on sheets of glass the prototype panel is made on a sheet of plastic. That means it can be bent into various shapes and is also more durable than a traditional panel.

For the new panel Samsung refined the manufacturing method so that the TFT panel and color filter -- the two major parts that go together to make a display panel -- were attached. This minimizes distortion that can occur when the panel is bent should the layers not be attached, said Chae.

Samsung hasn't determined a schedule for commercialization of the panels.

"We're considering the market situation. We don't have a specific plan at the moment," said Chae.

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