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Samsung Develops 3-Inch VGA Quality LCD Screen
Aug 14, 2006
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Samsung Electronics Co., Ltd. announced that it has developed the first 3-inch LCD panel with VGA (640 x 480 pixels) resolution that directly meets industry interface standards for digital still cameras.

Digital camera makers use an interface known as ITU-R601, an international standard for cathode ray tube (CRT) TVs that operates at 30 Hz. This standard is incompatible with LCDs, which normally run at 60 Hz. Manufacturers have had to reconcile the difference either by compressing the images or by manipulating the signal. However, such approaches will only work with LCDs having a resolution of qVGA (320 x 240 pixels) or less. Samsung's LCD operates on 30 Hz, allowing VGA images to be obtained from a digital camera without having to create another interface.

The 3-inch VGA LCD also incorporates a dot inversion scheme that lowers power consumption while substantially reducing the image flickering that has prevented such an approach in the past. Power consumption is further reduced because the 30 Hz source driver requires less power than the 60 Hz type, helping to better differentiate mobile display-based products. Samsung will begin commercially producing the new VGA-resolution LCD panel in the first half of 2007.

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