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Sharp offers new angle on simultaneous viewing

28 Sep 2006

Display maker comes up with a triple directional LCD that offers unique content based on the viewer's orientation to the screen.

Not content with a screen that can show two images simultaneously, Sharp has gone one step further and added a third channel to its so-called directional viewing LCD. By viewing the display from the left, right or centre, users can select one of three channels displayed simultaneously.

Based on a standard TFT LCD, the screen uses a parallax barrier to split light in three directions and provide three separate images on the same display at the same time.

According to Sharp, its two-directional screen is now being used in mobile phones and car navigation systems. A three directional version would mean that the driver, the passenger and people sitting in the back of the vehicle could all view separate images.

"The triple directional viewing LCD is also ideal for multipurpose signs," added the company. "It could display three different ads for shops or restaurants, each aimed at people walking in a certain direction."

Author

James Tyrrell is News Editor of Optics & Laser Europe magazine and a contributor to optics.org.

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