Product category:
LCD Modules
News Release from: Sharp Microelectronics Europe | Subject: LCD system includes optical sensors
Edited by the Electronicstalk Editorial
Team on 24 September 2007
LCD system takes optical sensors onboard
By including an optical sensor in each pixel, Sharps novel LCD system offers both touchscreen and scanning functions.
Sharp has developed an LCD system with an all-new touch screen concept and scanner functions This is accomplished by integrating an optical sensor into each pixel of the LCD panel
This article was originally published on Electronicstalk on 16 May 2003 at 8.00am (UK)
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Compared with conventional touch screen displays where the touch input functionality involves laminating or bonding a tactile film on top of the LCD panel, this is completely eliminated in the new LCD system.
Consequently, the display provides increased backlight transmissibility for improved brightness and image quality paired with a slimline design of less than 1mm thick.
Because each pixel reacts independently to changing ambient light conditions, tactile recognition based on simultaneously touching multiple points on the screen is possible - a feature that has proved difficult to implement with other touchscreen technologies.
For example, users can easily tap the screen with two fingers to enlarge or reduce a displayed map.
The integration of optical sensors into each pixel also enables the LCD to serve as a scanner, for items such as business cards, with the full half-VGA resolution of the display.
This scanning functionality is also expected to enable fingerprint authentication functions.
With continuous grain technology to enable improved image quality and additional functions Sharp's new LCD system is predestined for the next generation of mobile devices such as smartphones, PDAs, pocket PCs and personal navigation devices where touchscreen functions are becoming indispensable.
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