Tuesday, September 4, 2007

Displays with Embedded Touch Screen and Scanner Functions

Sharp has announced a new display with touch screen and scanner functions using an optical sensor built into each pixel of the LCD.
The LCD is targeted to be used on displays for mobile devices such as the Apple iPhone, PDAs, and UMPCs. Conventional methods to provide touch screen functions are based on bonding a film on top of the LCD panel, leading to problems with reduced display image quality and increased thickness for the display section.

Sharp's System LCD technology eliminates the need for films. In addition, multi-touch tactile recognition is now possible, a feature previously difficult to implement. For example, users can easily tap the screen with two fingers to enlarge or reduce a displayed map. The scanner function can be used to scan in a business card placed on top of the screen.

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